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3DTK
Science and Medicine
The 3D Toolkit provides algorithms and methods to process 3D point clouds
2018
c
c++
cmake
opencv
ros
1 more
52°North GmbH
Science and Medicine
52°North works on innovative ideas and technologies in geoinformatics
2021
2020
2019
2018
2017
2016
javascript
java
ogc standards
web services
web
6 more
AFLplusplus
Security
Fuzzing for the future
2021
2020
fuzzing
c
c++
qemu
llvm
3 more
AOSSIE
End User Applications
Australian Umbrella Org for Open-Source Projects
2021
2020
2019
2018
2017
scala
html
css
javascript
automated reasoning
10 more
AOSSIE - The Australian National University's Open-Source Software Innovation and Education
Science and Medicine
Research-Intensive Open-Source Projects at Australia's Leading University
2016
scala
lisp
llvm
python
postgresql
API Client Tools at Google
Programming Languages and Development Tools
Industry-leading user experiences for networked APIs.
2019
openapi
grpc
protocol buffers
rpc
rest
ASCEND
Science and Medicine
Equation-solving software for engineering system modelling
2016
python
c
c++
AboutCode
Other
AboutCode is a suite of tools to uncover data ... about software and code:
2021
2020
2019
2017
python
c
c++
javascript
shell script
8 more
Academy Software Foundation (ASWF)
Graphics / Video / Audio / Virtual Reality
Open source foundation for film industry projects.
2020
c
c++
python
Accord Project
Programming Languages and Development Tools
Linux Foundation’s open source project for smart legal contracts.
2021
2020
javascript
react
coq
ocaml
compiler
AerospaceResearch.net
Science and Medicine
making space together
2021
2020
2019
2018
2017
python
c
c++
vhdl
boinc
5 more
Amahi
Operating Systems
Making Home Networking and Storage Simple
2020
2019
2018
2017
android
golang
restful api
streaming
ruby on rails
4 more
Android Graphics Tools Team
Programming Languages and Development Tools
Providing excellent tools for graphics developers and driver makers
2021
2020
2019
opengl
vulkan
spir-v
java
c
3 more
AnitaB.org Open Source
Other
Women transform technology. Technology transforms the world.
2020
ios
android
python
javascript
AnkiDroid
End User Applications
makes remembering things easy
2021
java
javascript
gradle
android
Apertium
Other
A free/open-source machine translation platform
2021
2020
2019
2018
2017
2016
c++
python
perl
xml
finite-state technologies
4 more
ArchC
Programming Languages and Development Tools
ArchC is an Architecture Description Language
2016
c++
python
archc
ArduPilot
Other
The world's most versatile, trusted and open autopilot
2021
2020
2019
2018
2017
c++
python
embedded
rtos
ros
4 more
Arduino
Programming Languages and Development Tools
Open source electronic prototyping platform
2020
arduino
golang
c
c++
Audacity
Graphics / Video / Audio / Virtual Reality
Free, open source, cross-platform audio software
2021
c++
BRL-CAD
Graphics / Video / Audio / Virtual Reality
We do computer graphics, 3D printing, & develop computer-aided tech (CAx)
2021
2020
2019
2018
2017
2016
opencl
opengl
c
c++
python
5 more
Babel
Programming Languages and Development Tools
Babel, the community driven compiler for writing next generation JavaScript
2017
javascript
babel
node.js
Bazel
Programming Languages and Development Tools
Build and test software of any size, quickly and reliably
2019
2017
java
linux
go
windows
c
2 more
BeagleBoard.org Foundation
Programming Languages and Development Tools
Community supported open hardware for makers, innovators and educators
2021
2020
2019
2018
2017
2016
beaglebone
javascript
python
linux
c
13 more
Beam Community
Programming Languages and Development Tools
From distributed systems, to robust servers and language design on the Erlang VM
2018
2017
2016
erlang
elixir
xmpp
beam
mqtt
1 more
BeeWare Project
Programming Languages and Development Tools
Tools for cross-platform Python application development.
2018
2017
python
mobile
ios
android
javascript
1 more
Bench-Routes
End User Applications
Bench-routes is an open-source project to analyze performance and monitor APIs.
2021
golang
docker
react
Berkman Klein Center for Internet and Society
Other
Exploring cyberspace, sharing in its study, & helping to pioneer its development
2019
2018
2017
2016
ruby on rails
javascript
sql/nosql
meteor.js
go
5 more
BioGears
Science and Medicine
ARA is an employee-owned scientific research and engineering company.
2020
c++11
c
c++
python
cmake
BioJS
Science and Medicine
BioJS is an open source project that visualizes biological data using JavaScript
2016
javascript
python
Biomedical Informatics, Emory University
Science and Medicine
Department of Biomedical Informatics (BMI), Emory University School of Medicine
2019
2016
java
medical imaging
deep learning
hadoop
python
1 more
Blender Foundation
Graphics / Video / Audio / Virtual Reality
We build a free and open source 3D creation suite.
2021
2020
2019
2018
2017
2016
c
c++
python
opengl
opencl
1 more
Boost C++ Libraries
Programming Languages and Development Tools
Boost provides free peer-reviewed portable C++ source libraries
2021
2020
2019
2018
2017
c++
c++11
c++14
boost
c++17
2 more
Boston University / XIA
Cloud
Crowdsourcing the future Internet
2018
2017
2016
xia
c
linux kernel
advanced data structures
ddos
BuildmLearn
End User Applications
Building m-Learning applications
2016
python
django
bootstrap
android
Buildroot
Programming Languages and Development Tools
Making Embedded Linux easy
2019
gnu make
kconfig
python
shell
CASTOR
Programming Languages and Development Tools
Trustworthy software intensive systems for critical functions.
2021
java
scala
bytecode
CBMI@UTHSC
Science and Medicine
We develop Biomedical and Clinical informatics applications
2019
reactjs
python
flask
javascript
tensorflow
CCExtractor Development
Graphics / Video / Audio / Virtual Reality
Now in Rust
2021
2020
2019
2018
2017
2016
c
video
ffmpeg
subtitles
linux
12 more
CERN SFT
Science and Medicine
The SFT is part of CERN (European Organization for Nuclear Research).
2016
c++
python
javascript
clang
CERN-HSF
Science and Medicine
The umbrella organization for Particle (High-Energy) Physics-related projects
2021
2020
2019
2018
2017
python
c
c++
machine learning
data analysis
4 more
CGAL Project
Science and Medicine
C++ library of computational geometry and geometry processing
2021
2020
2019
2018
2017
c++
git
github
swig
python
2 more
CHAOSS Project
Other
Creating analytics and metrics to help define open source community health.
2021
2020
2019
2018
python 3
javascript
python
jupyter
mysql
7 more
CLiPS, University of Antwerp
Data and Databases
Computational Psycholinguistics
2019
2018
2017
python
machine learning
mongodb
javascript
CMU Sphinx
Graphics / Video / Audio / Virtual Reality
Fast, Accurate, Flexible Open Source Speech Recognition
2017
c
cross-platform
hidden markov models
javascript
python
CNCF
Cloud
Building sustainable ecosystems for cloud native software
2021
2020
2019
2018
2017
kubernetes
go
prometheus
fluentd
grpc
5 more
CRIU
Operating Systems
Checkpoint/Restore in User-space
2021
2020
2019
docker
linux
containers
kernel
c
3 more
CVXPY
Other
CVXPY is a Python-embedded modeling language for convex optimization problems.
2016
python
Cadasta
End User Applications
Transforming the way land & resource rights are documented, managed and stored.
2017
python
django
javasc
javascript
Canadian Centre for Computational Genomics
Science and Medicine
Analytical solutions for Next-Generation Sequencing data
2020
2019
2018
2016
python
r-project
javascript
sql
git
6 more
Casbin
Security
Authorization library that supports access control models like ACL, RBAC, ABAC
2021
2020
go
javascript
react
rust
python
3 more
Celluloid
Programming Languages and Development Tools
Painless multi-threaded multi-core programming for Ruby.
2016
ruby
multi-threading
multi-core
zeromq
high-resolution timers
Center for Research in Open Source Software, UC Santa Cruz
Other
Bridging the Gap Between Student Work and Successful Open Source Projects
2021
2019
2018
ceph
hadoop
c++
javascript
python
5 more
Ceph Foundation
Data and Databases
The Future of Storage
2021
2020
2017
2016
c
c++
python
object-storage
jenkins
4 more
Chapel
Programming Languages and Development Tools
A Productive Parallel Programming Language
2021
2020
2019
2017
2016
python
chapel
c
c++
high performance computing
Checker Framework
Programming Languages and Development Tools
Prevent programming errors before they happen, via easy-to-use verification
2020
2019
2018
2017
java
Checkstyle
Programming Languages and Development Tools
Tool to help programmers write Java code that adheres to a coding standard.
2021
2020
2017
java
antlr
xpath
Chromium
Web
Fast, seamless, safe, and reliable computing experiences accessible for all.
2021
c++
java
git
javascript
python
Cilium
Cloud
eBPF-based Networking, Security, and Observability
2021
ebpf
kubernetes
c
go
linux
CircuitVerse.org
Web
Build and learn logic circuits in the cloud!
2021
2020
2019
rails
javascript
postgresql
bootstrap
html5 canvas
4 more
CiviCRM
End User Applications
Growing and sustaining relationships
2021
2020
2019
2018
2016
php
javascript
mysql
angularjs
d3js
2 more
Classical Language Toolkit
Other
NLP for the Ancient World
2018
2017
2016
python
javascript
java
Clojure
Programming Languages and Development Tools
Supporting the Clojure and ClojureScript ecosystem
2017
clojure
clojurescript
jvm
javascript
functional programming
CloudCV
Cloud
Building platforms for reproducible AI research
2021
2020
2019
2018
2017
2016
python
javascript
lua
caffe
torch
12 more
Computational Biology @ University of Nebraska-Lincoln
Science and Medicine
Tool development in bioinformatics, computational biology, data visualization
2019
2018
2017
2016
webgl
javascript
mysql
react
java
3 more
Computational Science and Engineering at TU Wien
Science and Medicine
We bundle TU Wien's open source efforts in the area of science and engineering
2016
javascript
html
css
java
c++
Continuous Delivery Foundation
Programming Languages and Development Tools
Open-source community seeking to deliver software with security & speed
2021
2020
tekton
spinnaker
ci/cd
screwdriver
jenkins
2 more
Conversations.im
Social / Communications
An open source instant messaging client and ecosystem based on Jabber & XMPP
2018
2017
xmpp
java
android
javafx
python
2 more
Copyleft Games
Graphics / Video / Audio / Virtual Reality
Game libraries, frameworks, and development toolkits
2017
2016
python
opengl
c
javascript
xmpp
Creative Commons
Web
Nonprofit building a vibrant, collaborative, and global digital commons.
2020
2019
javascript
python
postgresql
wordpress
elasticsearch
2 more
Cuneiform Digital Library Initiative (CDLI)
Data and Databases
International digital library of artifacts inscribed with cuneiform writing
2021
2020
2019
2018
python
mariadb
rdf
php
nltk
6 more
D Programming Language
Programming Languages and Development Tools
Fast code, fast.
2019
2016
dlang
c++
linux
windows
osx
1 more
DBpedia
Data and Databases
Global and Unified Access to Knowledge Graphs
2021
2020
2019
2018
2017
2016
java
scala
rdf
python
nosql
5 more
Dart
Programming Languages and Development Tools
Dart is a client-optimized language for fast apps on any platform.
2021
2020
dart
flutter
programming-language
Debian
Operating Systems
The Universal Operating System
2021
2020
2019
2018
2016
python
c
c++
ruby
django
4 more
DeepPavlov
Other
Open-source Conversational AI Stack
2021
python
docker
python deep learning frameworks
tensorflow
pytorch
Department of Biomedical Informatics (BMI), Emory University School of Medicine
Science and Medicine
Data science and integrative biomedical research to advance healthcare
2021
python
java
deeplearning
medical imaging
tensorflow
Developers Italia
Other
An open community of digital public services developers
2019
2018
python
ruby
node.js
java
c
6 more
Digital Impact Alliance (DIAL) at UN Foundation
Other
Open source projects for humanitarian work, international development, and peace
2021
2020
2019
2018
android
java
php
python
javascript
3 more
Discourse
Social / Communications
Civilized discussion for your community.
2017
2016
ruby
ruby on rails
javascript
ember
docker
2 more
Distributed and Unified Numerics Environment (DUNE)
Science and Medicine
DUNE is a modular toolbox for solving PDEs with grid-based methods.
2016
c++
python
cmake
Django Software Foundation
Web
The web framework for perfectionists with deadlines.
2021
2020
2019
2018
2017
2016
python
django
Drupal
Web
Drupal is a Framework/CMS. It's built many of the sites and apps you use daily.
2020
2019
2018
2017
2016
php
symfony
sql
javascript
html5
6 more
Earth Science Information Partners
Science and Medicine
Supporting community development of visionary Earth science data technology.
2019
2018
kubernetes
dask
xarray
python
javascript
3 more
Eclipse Foundation
Other
Non-profit, member-driven organization, a community of developers & OSS projects
2020
2019
2018
2017
2016
java
geospatial
c
c++
geo
11 more
Eclipse Vert.x
Programming Languages and Development Tools
Eclipse Vert.x is a tool-kit for building reactive applications on the JVM
2017
2016
java
reactive
javascript
groovy
micro-services
4 more
Elastic
Data and Databases
We are the creators of Elasticsearch, Kibana, Beats, and Logstash.
2020
2018
java
golang
node.js
react
jruby
Elm Software Foundation
Programming Languages and Development Tools
A delightful functional language for reliable webapps.
2017
elm
javascript
haskell
Elm Tooling
Programming Languages and Development Tools
Improving your Elm experience!
2021
elm
functional programming
typescript
Embox
Operating Systems
Modular and configurable OS for embedded applications
2020
c
gcc
assembly
Environmental Data And Governance Initiative
Data and Databases
International network addressing threats to US environmental & energy policy
2017
python
javascript
ruby on rails
google cloud
go
Erlang Ecosystem Foundation
Programming Languages and Development Tools
Supporting the Beam community
2020
erlang
elixir
lfe
beam
Eta
Programming Languages and Development Tools
Eta is a dialect of Haskell on the Java Virtual Machine.
2018
haskell
jvm
java
FFmpeg
Graphics / Video / Audio / Virtual Reality
A complete, cross-platform solution to record, convert and stream audio & video
2021
2020
2019
2018
2017
2016
c
asm
git
assembly
c99
1 more
FOSDEM
Programming Languages and Development Tools
The organization that handles all aspects of the FOSDEM conference
2019
2017
2016
ruby on rails
postgresql
git
html
css
4 more
FOSSASIA
Other
Improving People's live with Open Tech
2019
2018
2017
2016
javascript
android
python
java
json api
4 more
FOSSology
Other
Open Source Compliance with Open Source Tools
2021
2020
2019
2018
php
postgresql
lamp
linux
c
6 more
FRRouting
Other
Routing suite for *nix platforms including BGP, IS-IS, LDP, OSPF, PIM, and RIP
2021
2020
c
linux
linux kernel
networking
lua
1 more
Fedora Project
Operating Systems
Fedora Linux is built on the foundations of Freedom, Friends, Features, & First
2020
2019
2018
2017
2016
python
flask
postgresql
html5
javascript
12 more
Fortran-lang
Programming Languages and Development Tools
Fortran Programming Language
2021
fortran
python
c
c++
compiler
1 more
FrameNet Brasil (UFJF)
Data and Databases
Natural Language Understanding with structured computational semantics
2021
2020
2019
php
mysql
javascript
python
Free UK Genealogy
Data and Databases
Human transcription of family history data
2018
mongodb
ruby on rails
mysql
python
css
1 more
Free and Open Source Silicon Foundation
Other
Working together to improve the Free and Open Source Silicon ecosystem
2021
2020
2019
2018
2017
2016
open hardware
fpga
compiler
python
javascript
9 more
FreeBSD Project
Operating Systems
FreeBSD: The Foundation of the Internet
2021
2020
2019
2018
2017
2016
c
c++
clang
llvm
shell script
4 more
FreeType
Graphics / Video / Audio / Virtual Reality
A software library to render fonts.
2021
2020
2019
2018
2017
fonts
opentype
c
library
gnu make
2 more
Frescobaldi
End User Applications
Edit music scores with GNU LilyPond.
2017
python
pyqt
GDevelop
Programming Languages and Development Tools
The cross-platform game engine designed for everyone.
2020
javascript
c
c++
web development
game development
1 more
GENIVI Alliance
Other
Developing open software for IVI and the connected car.
2019
2018
2017
linux
c
yocto
c++
qt
4 more
GFOSS - Open Technology Alliance
Other
Promote Openness through use and development of Open Standards and Open Source
2021
2019
2018
2017
php
java
mysql
virtuoso
python
11 more
GNOME Foundation
Operating Systems
The elegant and ethical desktop experience.
2021
2020
2019
2018
2017
2016
c
python
javascript
gtk+
gobject
3 more
GNSS-SDR
Science and Medicine
An open source Global Navigation Satellite Systems Software-Defined Receiver
2021
2020
2019
2018
2017
c
c++
c++11
c++14
gnss
4 more
GNU Compiler Collection (GCC)
Programming Languages and Development Tools
GCC
2021
2020
2019
2018
c++
c
openmp
gnu autotools
gnu make
GNU Mailman Project
Social / Communications
GNU Mailman is a mailing list manager popular in open source projects.
2021
2019
2016
python
email
django
python 3
rest
2 more
GNU Octave
Programming Languages and Development Tools
Free Your Numbers
2021
2020
2019
2018
2017
2016
hg
c++
GNU Radio
Science and Medicine
A free and open source toolkit for software radio.
2021
2020
2019
2018
2017
2016
c++
python
software radio
dsp
rf
4 more
GPAC
Graphics / Video / Audio / Virtual Reality
C multimedia framework
2020
2016
mp4
dash
mp4box
javascript
c++
2 more
GRR Rapid Response
Security
GRR Rapid Response is an incident response framework for remote live forensics.
2021
python 3
angular
typescript
materialui
backend
Gambit - Software Tools for Game Theory
Science and Medicine
Software for Analysis of Game Theory Models
2016
javascript
Ganeti
Other
Cluster virtual server management software
2016
python
haskell
kvm
xen
virtualization
Genes, Genomes and Variation
Science and Medicine
Authoritative databases of genome sequences and their function
2019
2018
2017
2016
mysql
javascript
perl
python
rest
Genome Assembly and Annotation
Science and Medicine
We focus on annotating features of genomic sequences and delpoying to users
2021
python
rust
pytorch
javascript
mysql
Gentoo Foundation
Operating Systems
A flexible, source-based Linux distribution.
2021
2020
2019
2018
2017
2016
shell script
c
c++
python
perl
5 more
GeomScale
Science and Medicine
Open-source development of scalable algorithms for geometric statistics
2021
2020
c++
r
python
jupyter
github-actions
Git
Programming Languages and Development Tools
fast, scalable, distributed revision control system
2021
2020
2019
2018
2017
2016
c
shell script
git
shell
c language
GitHub
Other
How people build software
2016
git
atom
node.js
ruby
c#
GitLab
Programming Languages and Development Tools
A complete DevOps platform delivered as a single application.
2021
ruby
git
ci
devops
golang
Global Alliance for Genomics and Health
Science and Medicine
We develop open standards and tools for genomics to benefit human health
2021
2020
2019
2018
2017
2016
python
java
protobuf
sql
c++
6 more
Godot Engine
Graphics / Video / Audio / Virtual Reality
Godot is a multi-platform 2D and 3D game engine with a feature-rich editor
2021
2020
2019
2018
c++
cpp
opengl
github
crossplatform
4 more
Google FHIR SDK
Science and Medicine
This work is a partnership between Google, WHO, Ona and other health partners
2021
fhir
android
kotlin
sqlite
materialui
GraphQL Foundation
Data and Databases
GraphQL is a fast and efficient query language for APIs.
2020
graphql
javascript
react
node.js
Green Navigation
Other
Energy efficient routing for electric vehicles
2017
2016
javascript
postgresql
polymer
go
electromobility
4 more
Haiku
Operating Systems
A desktop operating system written in C++
2021
2020
2019
2018
2017
c++
posix
webkit
ffmpeg
bsd unix
4 more
Halide
Programming Languages and Development Tools
A language for fast, portable computation on images and tensors
2021
llvm
c++
Haskell.org
Programming Languages and Development Tools
Standardized, statically typed, lazy functional programming language
2021
2020
2019
2018
haskell
ghc
servant
codeworld
cabal
1 more
Hazelcast
Data and Databases
In-Memory Computing Platform
2020
java
distributed systems
Health Information Systems Programme
Other
Health information system which is being used by 47 countries across world.
2016
java
android
javascript
reactjs
gradle
Homebrew
Programming Languages and Development Tools
The Missing Package Manager for macOS (or Linux)
2020
2018
2017
2016
ruby
git
osx
github
bash
2 more
Hydra Ecosystem
Web
Automate REST APIs. Build next generation API clients.
2021
2020
2019
2018
python
rdf
flask
hydra
json/json-ld
7 more
INCF
Science and Medicine
enabling open and FAIR neuroscience
2021
2020
2019
2018
2017
2016
c++
python
gpu
javascript
java
5 more
Inclusive Design Institute
End User Applications
The IDI addresses the challenge of designing ICT to work for all potential users
2020
2018
2016
javascript
jquery
html5
css
node.js
2 more
Indic Project
End User Applications
Improving Information Infrastructure and Access to Knowledge in Indian languages
2016
android
python
javascript
ruby on rails
c++
Inkscape
Graphics / Video / Audio / Virtual Reality
Vector graphic editor
2021
2020
2019
2018
2017
2016
c++
python
svg
css
gtk+
4 more
Inria Foundation
Science and Medicine
SOFA is an efficient simulation engine for research in medical simulation.
2018
c
c++
qt
webassembly
asm
1 more
Institut für Angewandte Informatik (InfAI) e.V.
Graphics / Video / Audio / Virtual Reality
Putting scientific research into practice.
2019
java
javascript
a-frame
neo4j
htc vive
Institute for Artificial Intelligence
Science and Medicine
Research in Artificial Intelligence for Autonomous Mobile Robots
2018
2017
lisp
prolog
c++
python
ros
1 more
Integrated Ocean Observing System (IOOS)
Other
IOOS is our eyes on the ocean, coasts, and Great Lakes.
2021
python
big data science
ocean technology
Intel Video and Audio for Linux
Graphics / Video / Audio / Virtual Reality
We work on Linux opensource video and AI software for Intel
2021
2020
2019
2018
2017
video
decode
encode
vpp
multimedia
10 more
InterMine
Science and Medicine
Integrating biological data sources, making it easy to query and analyse data
2019
2018
postgresql
java
javascript
python
clojure
1 more
International Catrobat Association
Programming Languages and Development Tools
Computational thinking for all with free visual coding apps
2021
2020
2019
2018
2017
2016
android
java
html5
web
javascript
6 more
Internet Archive
Web
Universal Access to All Knowledge
2021
2020
2019
2018
2017
python
javascript
pthon
node.js
php
3 more
Internet Systems Consortium
Other
We support the infrastructure of the Internet with Open Source
2019
2018
dhcp
c
c++
mysql
cassandra
4 more
JBoss Community
Web
Community of projects around JBoss Middleware
2021
2020
2019
2018
2017
2016
java
android
ide
aerogear
asciidoctor
9 more
JGraphT
Programming Languages and Development Tools
Java library that provides graph data-structures and algorithms.
2018
java
JSK Robotics Laboratory / The University of Tokyo
Science and Medicine
JSK is focusing on the fundamental functions & systems for intelligent robots
2019
2018
2017
2016
euslisp
openhrp
openrtm
ros
lisp
1 more
JabRef e.V.
Science and Medicine
Non profit organization developing the Open Source bibliography manager JabRef
2021
2019
java
javafx
latex
bibtex
typescript
Java PathFinder
Programming Languages and Development Tools
JPF is a highly extensible Java virtual machine built for software verification.
2021
2018
android
distributed systems
java
jvm
JdeRobot - Universidad Rey Juan Carlos
Other
A software toolkit for developing applications in Robotics and Computer Vision
2021
2020
2019
2018
2017
python
c
c++
ros
gazebo
2 more
Jenkins project
Programming Languages and Development Tools
Open-source automation server for building great things at any scale
2020
2019
2018
2016
java
groovy
jenkins
css
html
5 more
Jitsi
Social / Communications
The most innovative Open Source video conferencing community. Period.
2018
2017
webrtc
java
javascript
sip
xmpp
2 more
Joomla!
Web
Joomla, the flexible platform empowering website creators.
2021
2019
2018
2017
2016
php
css
html
javascript
jquery
3 more
Joplin
End User Applications
A note-taking and to-do application with synchronization capabilities.
2021
2020
node.js
electron
react native
terminal-kit
react
1 more
K-9 Mail
End User Applications
K-9 Mail – Advanced Email for Android
2017
android
java
KDE Community
End User Applications
International community creating Free Software together
2021
2020
2019
2018
2017
2016
qt
cmake
c++
php
qt5
5 more
KNIME
Data and Databases
Open for Innovation
2019
javascript
java
tensorflow
Kapitan
Programming Languages and Development Tools
Templated configuration management for Kubernetes, Terraform and other things
2020
2019
kubernetes
terraform
python
jinja2
jsonnet
1 more
Kiwix
Other
Internet content for people without internet access
2021
2020
2019
2018
android
java
c++
python
qt
6 more
Kodi
End User Applications
The ultimate entertainment center
2021
2020
2019
2018
2017
python
c++11
xml
git
drupal
7 more
Kodi
End User Applications
The ultimate entertainment center
2020
2019
c++
ffmpeg
sqlite
mysql
python
KolibriOS
Operating Systems
KolibriOS Project team
2016
fasm
flat assembler
x86 assembly
i386
i586
Kubeflow
Cloud
The machine learning toolkit for Kubernetes.
2020
python
jupyter notebook
tensorflow
kustomize
kubernetes
LEAP Encryption Access Project
End User Applications
We make encryption easy to use.
2018
python
twisted
javascript
openvpn
gnupg
LabLua
Programming Languages and Development Tools
Programming Languages Research with emphasis on the Lua language
2021
2020
2019
2018
2017
2016
lua
luarocks
elasticsearch
netbsd
céu
3 more
Learning Equality
End User Applications
Equity in education to transform lives
2021
django
vue.js
python
javascript
Libre Space Foundation
Science and Medicine
Open-source software and hardware technologies for space
2021
2020
2019
python
django
arduino
raspberry pi
c
6 more
LibreCube Initiative
Science and Medicine
Open Source Space and Earth Exploration
2021
python
micropython
zmq
mbed
LibreHealth
Science and Medicine
Healthcare for Humanity
2021
2020
2019
2018
2017
java
php
javascript
mysql
webcomponents
3 more
LibreOffice
End User Applications
LibreOffice is a free and open source office suite.
2021
2020
2019
2018
2017
2016
c++
python
java
android
opengl
Linkerd
Cloud
Linkerd is the ultralight service mesh for Kubernetes and beyond
2020
2019
golang
rust
kubernetes
react
prometheus
1 more
Liquid Galaxy project
Graphics / Video / Audio / Virtual Reality
Liquid Galaxy is a panoramic system that runs Google Earth across a PC cluster
2021
2020
2019
2017
2016
javascript
ros
gis
cesium
cesiumjs
9 more
LuaRocks
Programming Languages and Development Tools
The Lua package manager and ecosystem
2019
2018
2017
lua
luarocks
linux
windows
unix
1 more
MBDyn
Science and Medicine
MBDyn - free general-purpose multibody dynamics solver
2021
2020
2019
2017
2016
c++
python
scripting
c
MDAnalysis
Science and Medicine
A Python package for the handling and analysis of molecular simulation data.
2021
2020
python
cython
numpy
c
c++
MGGG Redistricting Lab
End User Applications
MGGG researches applications in math and computer science for US redistricting
2021
2020
python
javascript
gis
julia
mapping
1 more
MIT App Inventor
Programming Languages and Development Tools
Anyone can build apps with global impact.
2021
2020
2019
2017
2016
java
html
javascript
android
app
4 more
MZmine
Science and Medicine
MZmine is an open-source software for mass-spectrometry data processing.
2020
java
javafx
MacPorts
End User Applications
Open Source package manager for macOS.
2020
2019
2018
2017
tcl
make
git
html
javascript
8 more
Machine Learning for Science (ML4SCI) Umbrella Organization
Science and Medicine
Umbrella organization for machine learning applications in science
2021
python
machine learning
c
c++
data analysis
1 more
MapAction
Other
MapAction works on maps and data analysis for the humanitarian sector
2021
python
apache airflow
data analysis
gis
visualization
MariaDB Foundation
Data and Databases
One of the most popular databases on the web with many notable users
2021
2020
2019
2018
2017
2016
mysql
mariadb
c
perl
c++
2 more
Matrix.org
Social / Communications
An open network for secure, decentralized communication
2021
2020
2019
2018
2017
2016
react
android
ios
golang
python
7 more
Mayor's Office of New Urban Mechanics (City of Boston)
Other
Exploring, experimenting + evaluating new approaches to government + civic life.
2021
python
javascript
McGill Space Institute
Science and Medicine
Center bringing together scientists doing space-related research at McGill
2016
python
sql
databases
big data
Media Cloud
Other
Media Cloud is an open-source platform for media analysis.
2021
javascript
python
react
docker
postgresql
MediaPipe
Graphics / Video / Audio / Virtual Reality
Live ML anywhere
2021
android
ios
python
javascript
c++
MetaBrainz Foundation Inc
Data and Databases
Using open source & communities to curate large scale open data-sets.
2021
2020
2019
2018
2017
2016
python
perl
postgresql
javascript
postgres
5 more
MetaCall
Programming Languages and Development Tools
MetaCall allows calling functions between multiple programming languages.
2021
c
c++
javascript
python
cmake
1 more
Metasploit
Security
The world’s most used penetration testing framework
2021
2020
2018
2017
ruby
c
asm
postgresql
python
1 more
Microkernel devroom
Operating Systems
Confederation of microkernel projects (Genode, HelenOS, GNU Hurd, MINIX, Redox)
2017
c
c++
rust
arm
x86
Mixxx
End User Applications
DJ Mixing App With Powerful Features For All DJs
2020
2018
2017
2016
c++11
c++
qt
audio
opengl
6 more
Mobile Robot Programming Toolkit (MRPT)
Science and Medicine
Empowering C++ development in robotics
2018
2017
2016
c++
ros
opencv
cmake
qt
5 more
ModSecurity
Security
ModSecurity cross platform web application firewall
2016
waf
web application firewall
Moira
Programming Languages and Development Tools
Moira is a realtime alerting system based on Graphite data
2020
2019
golang
javascript
typescript
grafana
graphite
1 more
Mono Project
Programming Languages and Development Tools
Cross-platform C#/F#/.NET runtime and tools
2017
c#
.net
f#
c
Moodle
Social / Communications
Empowering educators to improve our world
2019
2018
2017
2016
php
jquery
mysql
postgresql
javascript
3 more
MoveIt
Science and Medicine
Software that is moving robots into the future
2021
2020
c++
ros
c
python 3
robotics
Mozilla
Web
Keeping the Internet open and accessible to all.
2020
2019
2018
2017
2016
c++
python
javascript
html
rust
4 more
MuseScore
Graphics / Video / Audio / Virtual Reality
The World's Most Popular Notation App
2021
2020
2019
2018
2017
2016
qt
c
c++
qml
c++11
5 more
NV Access
Other
Empowering lives through non-visual access to technology
2020
2019
python
c++
ui automation
iaccessible2
win32 api
Named Data Networking Project
Web
A Content-Centric Future Internet architecture
2019
java
android
javascript
c++14
c#
National Resource for Network Biology (NRNB)
Science and Medicine
Developing open source software to enable network-based biomedical discovery
2021
2020
2019
2018
2017
2016
c++
java
javascript
php
python
6 more
Navidrome
Web
Modern music server and streamer compatible with Subsonic/Airsonic
2021
react
golang
ffmpeg
Neovim
Programming Languages and Development Tools
hyperextensible Vim-based text editor
2020
2019
2018
lua
c
vim
javascript
python
1 more
Netfilter project
Operating Systems
Firewalling, NAT and packet mangling for Linux
2019
2018
2017
2016
firewall
linux kernel
networking
linux
kernel
1 more
Netty
Web
Netty is an asynchronous event-driven network framework
2020
java
jni
c
Nmap Security Scanner
Security
Swiss Army knife of network discovery and security auditing
2017
2016
c
c++
lua
python
NumFOCUS
Science and Medicine
NumFOCUS supports and promotes open source scientific software.
2021
2020
2019
2018
2017
2016
python
javascript
julia
r
c
1 more
OSGeo - Open Source Geospatial Foundation
Other
The Open Source Geospatial Foundation
2021
2020
2019
2018
2017
2016
python
sql
c
ogc standards
c++
5 more
OSU Open Source Lab
Other
OSU Open Source Lab
2016
python
rest
javascript
ruby
OW2
Other
The open source community for infrastructure software.
2018
java
perl
middleware
bpm
wiki
OWASP Foundation
Security
OWASP® is a nonprofit foundation that improves the security of software
2021
2020
2019
2018
2016
python
php
javascript
java
html
7 more
Open Bioinformatics Foundation
Science and Medicine
Promoting practice & philosophy of OSS & Open Science in biological research.
2021
2019
2018
2017
2016
python
c++
c
react
javascript
7 more
Open Bioinformatics Foundation (OBF)
Science and Medicine
Promoting practice & philosophy of OSS & Open Science in biological research.
2020
2019
2018
2017
2016
perl
python
ruby
java
haskell
6 more
Open Chemistry
Science and Medicine
Advancing Open Source and Open Science for Chemistry
2021
2020
2019
2018
2017
2016
c++
opengl
python
javascript
webgl
5 more
Open Data Kit
End User Applications
Open Data Kit is used to collect data for social good in difficult environments.
2019
2018
2017
android
java
python
javascript
ruby
Open Detection
Other
Open Detection is a open source project for object detection and recognition.
2017
2016
c
c++
cmake
opencv
pcl
1 more
Open Ephys
Science and Medicine
Open-source electrophysiology
2016
c++
juce
Open Food Facts
Science and Medicine
A collaborative, free and open database of food and cosmetic products.
2018
perl
mongodb
ios
android
machine learning
Open Genome Informatics
Science and Medicine
Association of open access genomics and bioinformatics projects.
2021
2020
2017
2016
python
java
html
javascript
node.js
5 more
Open Roberta
Programming Languages and Development Tools
Open Roberta® Lab is an online IDE introducing kids to program robots with NEPO®
2021
2020
2019
2018
java
javascript
typescript
python
c++
1 more
Open Robotics
Programming Languages and Development Tools
Open source software for use in robotics research, education and industry
2021
2020
2019
2018
2016
ros
gazebo
c
c++
python
2 more
Open States
Other
Open Source State Legislative Data
2018
2017
python
django
javascript
postgresql
react
1 more
OpenCV
Graphics / Video / Audio / Virtual Reality
Open Source Computer Vision and Deep Learning Library
2021
2020
2019
2017
2016
c++
python
machine learning
computer vision
vision
6 more
OpenCensus
Cloud
Planet Scale Tracing and Monitoring
2018
python
java
ruby
node.js
go
OpenEMR
Science and Medicine
OpenEMR is a leader in healthcare open-source software
2020
php
mysql
javascript
docker
html
OpenHMD
Graphics / Video / Audio / Virtual Reality
Multi-Platform Open Source driver for AR/VR/XR devices with stable ABI.
2020
c99
opengl
vulkan
opencv
libusb
OpenKeychain (OpenPGP for Android)
Security
OpenKeychain: Easy PGP for Android
2016
android
openpgp
OpenMRS
Science and Medicine
Write code. Save lives.
2021
2020
2019
2018
2017
2016
java
groovy
html5
xml
hibernate
7 more
OpenMined
Programming Languages and Development Tools
Lowering the barrier of entry to privacy preserving technology
2021
2020
deep learning
federated learning
homomorphic encryption
secure multi-party computation
differential privacy
5 more
OpenRefine
Data and Databases
a free, open source power tool for working with messy data and improving it
2020
java
javascript
OpenSIPS
Social / Communications
A multi-purpose Open Source SIP proxy/server for carriers, telecoms or ITSPs
2018
c
python
mysql
scripting
OpenStreetMap
Other
Creating and distributing free geographic data for the world.
2021
2020
2019
2018
2017
2016
postgis
java
ruby
javascript
opengl
6 more
OpenWISP
Web
A Hackable Network Management System for the 21st Century
2021
2020
2019
2018
2017
python
django
javascript
openwrt
raspberry pi
3 more
OpnTec
Social / Communications
Developing Open Event Solutions for Everyone
2018
python
javascript
emberjs
cloud
android
Oppia Foundation
Web
A free, online learning platform for making quality education accessible to all
2021
2020
2019
2018
2017
2016
javascript
google app engine
python
css
angularjs
4 more
Orange – Data Mining Fruitful & Fun
Science and Medicine
A cross-platform, visual-programming tool for data mining and visualization.
2016
python
cython
qt
machine learning
Orcasound
Science and Medicine
Open-source code to accelerate orca conservation & bioacoustic research
2021
2020
elixir
react
javascript
python
raspberry pi
P2PSP.org
Graphics / Video / Audio / Virtual Reality
Shaping the future Internet TV
2018
2017
2016
python
c++
webrtc
android
ios
4 more
PEcAn Project
Science and Medicine
Develop accessible tools for reproducible ecosystem modeling and forecasting
2021
2020
2019
2018
2017
r
php
postgresql
javascript
c
5 more
PLASMA-UMass
Programming Languages and Development Tools
PLASMA explores ways to make programming languages faster, safer, and easier.
2016
javascript
c
c++
scala
go
PMD
Programming Languages and Development Tools
An extensible cross-language static code analyzer.
2018
2017
java
javacc
xml
antlr
xpath
PRISM Model Checker
Science and Medicine
PRISM is a tool for formally verifying the correctness of probabilistic systems.
2016
java
c++
Peragro
Other
Digital Assets Managed Neatly
2016
python
blender
javascript
celery
django
Percona
Data and Databases
Unbiased open source database experts.
2020
2019
mysql
postgresql
prometheus
javascript
selenium
3 more
Performance Co-Pilot
Operating Systems
System-level performance analysis toolkit
2020
2019
2018
2017
2016
golang
ruby
java
linux kernel
javascript
8 more
Pharo Consortium
Programming Languages and Development Tools
The immersive programming experience
2021
2019
2017
smalltalk
roassal
polymath
pharo
squeak
3 more
Physical Web Project
Other
Physical Web GSoC project based on the Physical Web
2017
2016
internet of things
beacons
python
arduino
beacon
3 more
Pidgin Instant Messenger
Social / Communications
A universal chat client.
2021
c
gtk
gstreamer
Pitivi
Graphics / Video / Audio / Virtual Reality
Allowing everyone on the planet to express themselves through filmmaking
2021
2020
2019
python 3
gtk
gstreamer
c
python
Plan 9 Foundation
Operating Systems
Lightweight distributed computing
2021
c
distributed systems
concurrency
golang
Plone
Web
The premier python-based open source CMS
2018
2017
2016
python
zope
javascript
rest
nosql
3 more
Pocket Science Lab
Science and Medicine
Miniaturizing the Open Science Lab with Open Hardware and Open Source Software
2018
android
java
firmware
c
cad
Point Cloud Library
Science and Medicine
Standalone, large scale, open project for 2D/3D image and point cloud processing
2021
2020
cpp
cmake
devops
computer vision
c++14
2 more
Polly Labs
Programming Languages and Development Tools
Promoting Polyhedral Compilation
2018
2017
llvm
integer set library
ppcg
pencil
polly
3 more
Polypheny
Data and Databases
The distributed and self-adaptive polystore
2021
java
javascript
angular
sql
Portland State University
Other
Individual and Academic Open Source
2017
2016
open hardware
language-agnostic
PostgreSQL
Data and Databases
PostgreSQL is the world's most advanced open source database.
2021
2020
2019
2018
2017
postgresql
c
perl
sql
rdbms
4 more
Postman
Programming Languages and Development Tools
The Collaboration Platform for API Development
2021
2020
node.js
javascript
graphql
openapi
rest api
Probot
Programming Languages and Development Tools
Automate and improve GitHub workflows
2018
javascript
node.js
github
Processing Foundation
Programming Languages and Development Tools
Our goal is to empower people of all backgrounds to learn how to program.
2021
2020
2019
2018
2017
java
javascript
python
android
opengl
1 more
Project PANOPTES
Science and Medicine
Discover New Worlds
2019
python 3
arduino
cloud
Project WikiLoop
Other
Contribute to open knowledge at scale - heritage preservation and translation
2021
mediawiki
python
java
Public Lab
Science and Medicine
Open hardware and software to help communities measure and analyze pollution
2021
2019
2018
2017
2016
javascript
ruby on rails
leaflet
webrtc
ruby
2 more
Purr Data
Graphics / Video / Audio / Virtual Reality
A user-friendly visual programming environment for audio, video, and graphics.
2021
2020
2019
2018
javascript
html5/css3
node.js
c
c++
5 more
Python Software Foundation
Science and Medicine
Python is a programming language used by software developers and scientists.
2021
2020
2019
2018
2017
2016
python
mercurial
QEMU
Cloud
Open source machine emulator and virtualizer
2021
2020
2019
2018
2017
2016
c
assembly
kvm
python
linux
2 more
Qubes OS
Operating Systems
A reasonably secure operating system
2021
2020
2017
c
python
shell
xen
linux
1 more
Quill.org
Web
Helping millions of learners become better writers and critical thinkers
2018
ruby
rails
react
javascript
postgresql
RTEMS Project
Operating Systems
RTEMS is a real-time operating system kernel used around the world and in space.
2021
2020
2019
2018
2017
2016
c
python
waf
embedded systems
posix
3 more
Radare
Security
Radare2 - Reverse Engineering Framework and Toolset
2020
2018
2017
2016
c
rust
python
node.js
cpp
3 more
React Native Elements
Programming Languages and Development Tools
Cross Platform React Native UI Toolkit
2021
javascript
react
react native
ReactOS
Operating Systems
Open your windows to freedom!
2021
2020
2019
2018
2017
2016
c
c++
nt
win32
php
Read the Docs
Programming Languages and Development Tools
Documentation Simplified
2019
2018
python
sphinx
django
javascript
elasticsearch
1 more
Red Hen Lab
Science and Medicine
Research on Multimodal Communication
2021
2020
2019
2018
2017
2016
high performance computing
machine learning
opencv
audio procesing
multimodal analysis
12 more
Rizin
Security
Rizin reverse engineering framework and toolset
2021
c
c++
qt
python
RoboComp
Other
An open-source framework to develop and manage robot components.
2021
2020
2019
2018
2017
2016
c++
python
zeroc ice
cmake
gnu/linux
10 more
Rocket.Chat
Social / Communications
The ultimate open source team chat and federated communications platform
2021
2020
2019
2018
2017
javascript
meteor.js
mongo
webrtc
ios
10 more
Rspamd
Security
An advanced spam filtering system
2018
2017
c
lua
cmake
machine learning
javascript
Ruby
Programming Languages and Development Tools
Ruby is object-oriented programming language
2021
2020
2019
2018
2016
ruby
c
java
ruby on rails
Ruby Science Foundation
Science and Medicine
Tools for scientific computation in Ruby
2019
2018
2017
2016
ruby
c programming
jruby
c
c++
7 more
Ruby on Rails
Web
Ruby on Rails is web framework that optimizes for programmer happinness.
2018
2017
html
ruby on rails
ruby
SCoRe Lab
End User Applications
SCoRe has conducted research covering various aspects of Security, Mobile & IOT.
2021
2020
2019
2018
2017
2016
java
android
hadoop
python
golang
10 more
SPDX
Security
SPDX develops and promotes open standards for communicating software information
2021
2020
2019
2018
2017
rdf
python
java
github
c
4 more
STE||AR Group
Programming Languages and Development Tools
Shaping a Scalable Future
2021
2020
2018
2017
2016
parallel processing
high performance computing
c++
cuda
opencl
8 more
SageMath
Science and Medicine
open-source mathematics software system
2021
2020
2019
2018
2017
2016
python
javascript
cython
c++
c
1 more
Salesforce
Cloud
From the kernel to the browser, open source projects from Salesforce.
2019
scala
apache spark
javascript
node.js
react
Samba
Other
Opening windows to a wider world
2021
2020
2019
2017
c
python
smb
cifs
Scala
Programming Languages and Development Tools
The programming language where object-oriented meets functional.
2018
2017
2016
scala
jvm
llvm
Scala Center
Programming Languages and Development Tools
For open source, for education
2021
#scala
#scala_lang
#jvm
#llvm
#js
Scilab
End User Applications
Cross-platform numerical computational package and programming language.
2018
2017
2016
scilab
c++
java
c
fortran
2 more
ScummVM
End User Applications
ScummVM is an Adventure and Role-Playing game preservation project
2021
2020
2019
2018
2017
2016
c++
sdl
opengl
assembly
c
1 more
Seastar
Programming Languages and Development Tools
Framework for writing high-performance server applications on modern hardware
2018
cpp
framework
dpdk
tcp
linux
Shaka Player
Graphics / Video / Audio / Virtual Reality
An open-source JavaScript library to play adaptive media.
2021
javascript
python
ui/ux
video codecs
web development
Shogun
Science and Medicine
Unified and efficient Machine Learning
2020
2019
2017
2016
c++
python
swig
cmake
c
5 more
Sigmah
End User Applications
Java/GWT platform for humanitarian project management
2017
2016
java
gwt
postgresql
Software Heritage
Data and Databases
The Great Library of Source Code
2021
2019
python
javascript
postgres
django
git
2 more
Software and Computational Systems Lab at LMU Munich
Programming Languages and Development Tools
Software Analysis, Software Verification, and Benchmarking
2019
2018
java
python
javascript
Soletta Project
Programming Languages and Development Tools
Soletta Project is an open source framework for making IoT applications
2016
c
python
javascript
networking
machine learning
Space @ Virginia Tech
Science and Medicine
Space@VT is devoted to the investigation of the space environment.
2018
python
javascript
d3
mysql
mongodb
Stemformatics
Science and Medicine
Stemformatics is a web-based pocket dictionary for stem cell scientists.
2018
python
javascript
postgresql
Stony Brook University Biomedical Informatics
Science and Medicine
Advance biomedical knowledge through innovative data science research
2018
2017
2016
medical imaging
bioinformatics
hadoop
big data
apache spark
4 more
Streetmix
End User Applications
Design, remix, and share your neighborhood street, all in your browser.
2018
javascript
react
redux
postgresql
mongodb
Submitty
Other
Programming assignment submission with automated grading and manual TA grading
2020
2019
2018
python
c++
databases
web
html
5 more
Sugar Labs
End User Applications
We build and maintain tools that learners use to explore, create, and reflect.
2021
2020
2019
2018
2017
2016
python
javascript
gtk+
gtk
android
6 more
Swift
Programming Languages and Development Tools
Swift is a general-purpose, safe, and expressive programming language.
2021
2020
2019
2018
c++
llvm
cmake
swift
programming languages
3 more
SymPy
Science and Medicine
Symbolic mathematics in Python
2021
2020
2019
2018
2017
2016
python
c++
SymbiFlow
Programming Languages and Development Tools
A completely FOSS toolchain for FPGAs.
2021
2020
2019
verilog
fpga
xilinx
c
c++
1 more
Synfig
Graphics / Video / Audio / Virtual Reality
Open-source 2D animation software
2021
2020
2019
c++
gtk
gtkmm
python
c++11
Systers Community
Other
Helping women find their potential in code. You are not alone.
2018
ios
android
python
ruby on rails
javascript
Systers, an Anita Borg Institute community
Other
Helping women find their potential in code.
2017
2016
python
android
ios
mysql
ruby on rails
2 more
TARDIS SN
Science and Medicine
Exploring supernovae made easy
2021
2020
2016
python
cython
c
jupyter
numba
2 more
TEAMMATES @ National University of Singapore
Web
An online feedback management system for education
2018
2017
2016
java
google app engine
javascript
css
html
1 more
TLA+
Programming Languages and Development Tools
TLA+ is a formal specification language used to design, model and verify systems
2018
java
tla+
eclipse
ocaml
smt
Tarantool
Data and Databases
In-memory computing platform
2021
c
lua
sql
TensorFlow
Programming Languages and Development Tools
TensorFlow is an open-source machine learning framework for everyone.
2021
2020
2019
machine learning
deep learning
python
c
c++
3 more
The Apache Software Foundation
Programming Languages and Development Tools
Providing open source software to the public free of charge
2021
2020
2019
2018
2017
2016
java
ruby
python
javascript
couchdb
4 more
The Center for Connected Learning and Computer-Based Modeling
Programming Languages and Development Tools
NetLogo: A language and IDE for programming and scientific simulations
2019
2018
2017
2016
javascript
scala
java
html5
css
1 more
The ENIGMA Team
Programming Languages and Development Tools
A free development environment geared towards game development.
2021
c++
opengl
qt5
android
The GNU Project
Operating Systems
GNU is a free software Operating System and a collection of other utilities
2020
2019
2018
2017
2016
posix
c
lisp
python
eiffel
6 more
The Honeynet Project
Security
The Honeynet Project - R&D for Honeypot/Honeynet Technology and InfoSec Research
2021
2020
2019
2018
2017
2016
android
machine learning
honeypots
python
html
13 more
The Java Pathfinder Team
Programming Languages and Development Tools
JPF is a highly extensible Java virtual machine built for software verification
2020
2019
2018
2017
2016
java
jvm
android
distributed systems
bytecode
The Julia Language
Programming Languages and Development Tools
A fresh approach to Technical Computing
2021
2020
2019
2017
2016
julia
atom
c++
javascript
c
3 more
The LLVM Compiler Infrastructure
Programming Languages and Development Tools
LLVM Compiler Infrastructure
2021
2020
2019
2018
2017
2016
c
c++
llvm
clang
mlir
The Libreswan Project
Security
Encrypting the Internet with IKE and IPsec
2021
2020
2019
2018
2017
c
python
shell script
qemu
nss
4 more
The Linux Foundation
Operating Systems
A non-profit consortium dedicated to fostering the growth of Linux
2021
2020
2019
2018
2017
2016
c
c++
python
mysql
cups
3 more
The Mifos Initiative
End User Applications
End Poverty One Line of Code at a Time
2020
2019
2018
2017
2016
java
javascript
angularjs
android
mysql
2 more
The Monarch Initiative
End User Applications
An informatics platform for translational disease research
2016
semantic web
javascript
text mining
named entity recognition
ontologies
The NetBSD Foundation
Operating Systems
Of course it runs NetBSD
2021
2020
2019
2018
2017
2016
bsd
security
networking
c programming
kernel
10 more
The Palisadoes Foundation
Social / Communications
Helping community-based organizations grow by using better software
2021
flutter
mongodb
node.js
graphql
javascript
The Perl Foundation
Programming Languages and Development Tools
Devoted to the advancement of the Perl languages through discussion and code
2019
c
perl
regular expressions
perl6
perl5
The Postgres Operator
Data and Databases
A project to create an open-sourced managed Postgresql service for Kubernetes
2019
postgresql
kubernetes
golang
operator
patroni
The Qt Project
Programming Languages and Development Tools
The Qt Project co-ordinates the development of the Qt software framework.
2018
c++11
cpp
qt
qml
opengl
The R Project for Statistical Computing
Programming Languages and Development Tools
R is a free software environment for statistical computing and graphics.
2021
2020
2019
2018
2017
2016
r
c
c++
fortran
r-project
1 more
The Terasology Foundation
End User Applications
Voxel world game/engine with a large focus on extensibility and developer tools
2021
2020
2019
2018
2017
2016
java
lwjgl
opengl
blender
gradle
4 more
The Vega Project at the University of Washington
Web
Declarative formats & Applications for Creating, Saving & Sharing Visualizations
2019
2018
javascript
typescript
react
d3.js
d3
2 more
The Wine Project
Other
Wine runs Windows applications on Linux, BSD, Solaris, macOS and Android.
2020
2019
2018
2017
2016
c
opengl
directx
x11
win32
1 more
The ns-3 Network Simulator Project
Science and Medicine
ns-3 is a packet-level network simulator for research and education.
2021
2020
2019
2018
2017
c++
python
c
python 3
TianoCore
Operating Systems
A modern, feature-rich, cross-platform, open source implementation of UEFI
2021
uefi
c
python
rust
golang
Tiled
End User Applications
A free, easy to use and flexible 2D level editor.
2017
qt
c++
git
github
TimVideos.us
Graphics / Video / Audio / Virtual Reality
Software & hardware for recording + streaming conferences, meetings, user groups
2019
2018
2017
2016
vhdl
verilog
fpga
python
c
Timelab Technologies Ltd.
End User Applications
We help scientists understanding information in time-series
2016
python
javascript
Tokio
Programming Languages and Development Tools
The asynchronous run-time for the Rust programming language.
2019
tokio_rs
rust
Tor
Security
Internet privacy and anonymity
2017
2016
c
javascript
golang
python
browser extensions
1 more
Tungsten Fabric
Cloud
Secure software defined networking for any cloud, anywhere.
2019
linux
kubernetes
python
networking
c
1 more
UCSC Xena
Science and Medicine
Helping biologists see the bigger picture in diverse cancer genomics data
2019
2018
2017
javascript
react
clojure
d3
python
1 more
Unitex/GramLab
Programming Languages and Development Tools
Unitex/GramLab is an open source, multilingual corpus processing suite
2016
java
c++
Urban Energy Systems Laboratory, Empa
Science and Medicine
HUES is a platform for modeling & analysis of distributed energy systems
2017
2016
python
milp
gis
fast fluid dynamics
ViSP
Graphics / Video / Audio / Virtual Reality
Visual tracking and visual servoing library
2018
2017
vision
c++
c
VideoLAN
End User Applications
Open Source Multimedia for Everyone
2021
2020
2019
2018
2017
2016
opengl
c++
c
assembly
qt
7 more
WSO2
Other
Comprehensive and open source middleware platform that spans the breadth of SOA
2017
2016
middleware
java
soa
distributed computing
web services
Wayland
Graphics / Video / Audio / Virtual Reality
Wayland is a protocol for windowing systems on both desktops and embedded
2016
opengl
wayland
c
xml
kms
Wikimedia Foundation
Web
Global movement whose mission is to bring free educational content to the world
2021
2020
2019
2018
2017
2016
php
javascript
html
css
jquery
4 more
Wireshark
Security
Wireshark is the world's foremost network protocol analyzer.
2020
qt
c
c++
lua
pcap
1 more
WorldBrain.io - Verifying the Internet
End User Applications
Bookmarking extension that works like your brain - full-text search everything.
2018
2017
reactjs
javascript
react
browser extension
datproject
X.Org Foundation
Graphics / Video / Audio / Virtual Reality
X Window System and related projects (Mesa, DRI, Wayland, etc.)
2020
2019
2018
2017
2016
c
c++
opengl
vulkan
opencl
2 more
XMPP Standards Foundation
Social / Communications
Secure and federated communication with open standards
2020
2019
2017
xmpp
c++
java
erlang
javascript
5 more
XWiki
Web
The Advanced Open Source Enterprise Wiki
2021
2020
2019
2018
2017
2016
java
javascript
html5
css3
velocity
1 more
Xapian Search Engine Library
Data and Databases
Fast, scalable and flexible search
2020
2019
2018
2017
2016
c++
unicode
swig
android
golang
1 more
Xen Project
Cloud
Bringing the power of virtualization everywhere
2017
linux
free/netbsd
asm/c/c++
qemu
ocaml
Xfce
End User Applications
Fast and lightweight Gtk3 desktop environment for Linux and BSD
2021
gtk
c
python
vala
javascript
Xi Editor
End User Applications
A modern text editor with a backend written in Rust.
2019
2018
rust
swift
Xiph.Org Foundation
Graphics / Video / Audio / Virtual Reality
Open-source and royalty free multimedia
2021
rust
c language
assembly
x86
arm
Zenodo
Science and Medicine
A free and open digital archive for the long-tail of science.
2017
python
postgresql
flask
angularjs
elasticsearch
Zulip
Social / Communications
Powerful, modern, open source team chat, complete with apps for every platform.
2021
2020
2019
2018
2017
2016
python
javascript
django
android
ios
3 more
ZynAddSubFX
Graphics / Video / Audio / Virtual Reality
An open source musical software synthesizer with a wide range of possibilities
2019
c
c++
ruby
midi
open-sound-control
1 more
aimacode
Programming Languages and Development Tools
Code for the book "Artificial Intelligence: A Modern Approach"
2019
2018
2017
2016
python
java
javascript
machine learning
artificial intelligence
3 more
apertus° Association
Graphics / Video / Audio / Virtual Reality
Open Technology for Professional Film Production
2021
2020
2019
2018
2017
fpga
vhdl
c
linux
c++
1 more
appleseed
Graphics / Video / Audio / Virtual Reality
A modern open source rendering engine for animation and visual effects
2020
2019
2018
2017
c++
python
qt
c
c++11
1 more
cBioPortal for Cancer Genomics
Data and Databases
Developing open source solutions for discovery from complex cancer data
2019
2017
2016
java
javascript
web
html
big data
4 more
caMicroscope
Science and Medicine
Toolkit for cancer imaging research
2021
2020
javascript
python
java
medical imaging
tensorflow
1 more
coala
Programming Languages and Development Tools
Linting and Fixing Code for All Languages
2021
2019
2018
2017
python
django
python 3
antlr
emberjs
5 more
coreboot
Operating Systems
Fast, secure and flexible OpenSource firmware
2020
2019
2016
c
assembly
open hardware
assembler
x86
1 more
freifunk
Social / Communications
Freifunk is a non-commercial initiative for free and open wireless networks.
2021
2019
2018
2017
2016
openwrt
olsr
batman
c
lua
11 more
gRPC
Cloud
A high performance, open-source universal RPC framework
2018
2016
distributed systems
networking
micro-services
scalability
http/2
3 more
gVisor
Operating Systems
An application kernel for containers that provides efficient defense-in-depth
2021
golang
linux
posix
c
c++
gnss-sdr
Social / Communications
GNSS-SDR is an open source Global Navigation Satellite Systems software receiver
2016
c
c++
c++11
c++14
gnss
gprMax
Science and Medicine
Software for electromagnetic wave propagation simulation
2021
2019
python
cuda
openmp
cython
mpi
illumos.org
Operating Systems
Open Source successor of OpenSolaris
2017
dtrace
illumos
unix
openzfs
zfs
jQuery Foundation
Other
jQuery Foundation - home of jQuery, Dojo and many other JavaScript libraries
2016
javascript
html5
css
jquery
languagetool.org
End User Applications
Style and grammar checker
2018
java
javascript
machine learning
ai
tensorflow
libcamera
Graphics / Video / Audio / Virtual Reality
An open source camera stack and framework for Linux, Android, and ChromeOS
2021
c
c++
qt5
gstreamer
v4l2
1 more
libvirt
Cloud
virtualization abstraction library
2021
2020
2019
2018
2017
2016
c
qemu
xen
containers
kvm
4 more
lowRISC
Other
Open to the core - collaborative engineering for open source silicon and tools
2020
2017
2016
verilog
fpga
chisel
c++
linux
3 more
mlpack
Science and Medicine
fast, flexible C++ machine learning library
2021
2020
2019
2018
2017
2016
c++
python
templates
machine learning
deep learning
1 more
mypy
Programming Languages and Development Tools
A static type checker for Python and a compiler for type-annotated Python
2021
2020
python
oVirt
End User Applications
Open virtual datacenter management for all
2017
java
python
kvm
omegaUp.com
Web
omegaUp is aimed to increase the number of talented Software Engineers in LatAm.
2018
php
mysql
python
openSUSE Project
Operating Systems
Our community creates, promotes, improves and documents open-source software.
2021
2020
2018
2017
2016
ruby on rails
angularjs
docker
linux
ruby
12 more
openastronomy
Science and Medicine
Opening the eyes of research astronomy software to the whole world.
2021
2020
2019
2018
2017
2016
python
julia
c
numpy
qt
4 more
ownCloud
Cloud
A safe home for all your data
2017
2016
javascript
php
css
html
sql
3 more
phpBB Forum Software
Social / Communications
phpBB is the most widely used free and open-source forum solution.
2018
2017
php
mysql
javascript
symfony
css
1 more
phpMyAdmin
Data and Databases
A web interface for MySQL written in PHP
2019
2018
2017
php
mysql
jquery
javascript
cakephp
1 more
strace
Operating Systems
linux syscall tracer
2021
2020
2019
2018
2017
2016
linux
c
git
shell script
make
2 more
