Summer of Code
Science and Medicine
End User Applications
Programming Languages and Development Tools
Graphics / Video / Audio / Virtual Reality
Social / Communications
Data and Databases
52°North Initiative for Geospatial Open Source Software GmbH
52°North works on innovative ideas and technologies in geoinformatics
Code to accompany the book "AI: A Modern Approach"
AOSSIE - The Australian National University's Open-Source Software Innovation and Education
Research-Intensive Open-Source Projects at Australia's Leading University
Apache Software Foundation
Providing open source software to the public free of charge
ArchC is an Architecture Description Language
Equation-solving software for engineering system modelling
open hardware physical computing community with Linux
From distributed systems, to robust servers and language design on the Erlang VM
Berkman Center for Internet and Society
An interdisciplinary university-wide research center focused on the Internet
Biomedical Informatics, Emory University
Big Data for Healthcare and Biomedical Research
We make a 100% free/open source 3D creation pipeline.
Boston University / XIA
Crowdsourcing the future Internet
We develop solid modeling, CAD, CAM, & other computer-aided technologies (CAx)
Building m-Learning applications
Canadian Centre for Computational Genomics (C3G) - Montreal node
Analytical solutions for Next-Generation Sequencing data
Our apps empower teens to visually create their own apps directly on their phone
cBioPortal for Cancer Genomics
Open source software solutions of precision medicine for cancer patients
The de-facto standard tool for everything related to subtitles.
Painless multi-threaded multi-core programming for Ruby.
The Future of Storage
The SFT is part of CERN (European Organization for Nuclear Research).
a Productive Parallel Programming Language
Contact relationship management for non-profits, NGOs and advocacy organizations
Classical Language Toolkit
NLP for the ancient world
CloudCV - Large Scale Distribution Vision algorithms as a Cloud Service
Computational Biology @ University of Nebraska-Lincoln
Development of software technologies for biomedical research and applications.
Computational Science and Engineering at TU Wien
We bundle TU Wien's open source efforts in the area of science and engineering
Tools, libraries, and engines to help in game development
fast and flexible Open Source firmware
CVXPY is a Python-embedded modeling language for convex optimization problems.
The D Foundation leads development of the D Programming Language.
Information Extraction framework from Wikipedia, Wikidata & Commons
The Universal Operating System
A next-generation discussion forum.
Distributed and Unified Numerics Environment (DUNE)
DUNE is a modular toolbox for solving PDEs with grid-based methods.
Django Software Foundation
The web framework for perfectionists with deadlines.
Drupal is a Free, Open, Modular CMS written in PHP. Websites, databases, +more
Eclipse is a community who collaborates on open source software.
Lead the advance of Free/Open Source Software/Content as collaborative community
Cross-platform software to convert audio and video.
The organization that handles all aspects of the FOSDEM conference
Open Technologies for Social Change
Free and Open Source Silicon Foundation
Free and Open Source Digital Designs and their Ecosystem, EDA Tools and OpenRISC
FreeBSD: The Foundation of the Internet
Freifunk is a non-commercial initiative for free and open wireless networks.
Gambit - Software Tools for Game Theory
Software for Analysis of Game Theory Models
Cluster virtual server management software
Genes, Genomes and Variation
Ensembl Genome Browsers
A flexible, source-based Linux distribution.
fast, scalable, distributed revision control system
How people build software
Global Alliance for Genomics & Health
GA4GH develops open standards and tools for genomics to benefit human health
Ease, comfort and control
GNSS-SDR is an open source Global Navigation Satellite Systems software receiver
Mailman is free software for managing electronic mailing lists.
GNU Octave : Free Your Numbers.
The GNU Operating System
The Free and Open Software Radio Ecosystem
GPAC - Multimedia Open-Source Project
Routing Service for finding the shortest, fastest and most energy efficient way.
A high performance, open source, general RPC framework.
Health Information Systems Programme
Health information system which is being used by 47 countries across world.
Package management software for OS X.
Inclusive Design Institute
The IDI addresses the challenge of designing ICT to work for all potential users
Improving Information Infrastructure and Access to Knowledge in Indian languages
Inkscape is a professional vector graphics editor for Windows, OS X, and Linux.
International Neuroinformatics Coordinating Facility
Advancing global collaborative brain research
Java Pathfinder Team
JPF is a highly extensible Java virtual machine built for sofware verification
Community of Java projects around JBoss Middleware
Jenkins is an open-source automation server
A Free and Open Source CMS, Trusted By Millions for their Websites
JSK Robotics Laboratory
JSK Robotics Laboratory / The University of Tokyo
KDE is an international technology team that creates user-friendly software
KolibriOS Project team
LabLua - Lua programming language research lab at PUC-Rio
LibreOffice is a powerful cross-platform office suite.
Stable API for easier virtualization.
Liquid Galaxy Project
Liquid Galaxy Project: wraparound open-source immersion!
Creating a fully open-source SoC design
One of the most popular databases on the web with many notable users
An ambitious opensource project creating a new, decentralised comms ecosystem.
MBDyn, Department of Aerospace Science and Technology at Politecnico di Milano
MBDyn is a multidisciplinary Multibody Dynamics scientific simulation software.
McGill Space Institute
Center bringing together scientists doing space-related research at McGill
We curate data and make it freely available!
End Poverty One Line of Code at a Time
MIT Media Lab
Build Your own Android Apps!
Mixxx DJ Software
DJ Your Way, For Free. Join our friendly community of hackers, DJs, and artists!
mlpack: a scalable C++ machine learning library
a scalable C++ machine learning library
Mobile Robot Programming Toolkit (MRPT)
Mobile Robot Programming Toolkit: empowering C++ development in robotics
ModSecurity cross platform web application firewall
The world's open source learning platform
Terasology: like an open source Minecraft - imagine the possibilities!
We're building a better Internet
MuseScore: Create, play and print beautiful sheet music
National Resource for Network Biology (NRNB)
Developing open source software to enable network-based biomedical discovery
Nmap Security Scanner
Swiss Army knife of network discovery and security auditing
NumFOCUS promotes open source scientific software.
Open Bioinformatics Foundation
Supporting OSS and Open Science in the biological research community.
Open source chemistry software libraries and tools
Open Detection is a open source project for object detection and recognition.
Open Genome Informatics
Open Genome Informatics represents the efforts of many bioinformatics projects.
Open Source Robotics Foundation
Open source software for use in robotics research, education, and industry.
Confederation of open source projects in Astronomy
Open Source Computer Vision and Machine Learning Library
OpenKeychain (OpenPGP for Android)
OpenKeychain: Easy PGP for Android
Write code. Save lives.
OpenStreetMap - Creating and distributing free geographic data for the world.
openSUSE Linux - The makers' choice for sysadmins, developers and desktop users
Oppia is used for collaboratively building interactive and intelligent tutors.
Orange – Data Mining Fruitful & Fun
A cross-platform, visual-programming tool for data mining and visualization.
OSGeo - The Open Source Geospatial Foundation
The Open Source Geospatial Foundation
OSU Open Source Lab
OSU Open Source Lab
OWASP, The Open Web Application Security Project.
A safe home for all your data
Shaping the future Internet TV
Digital Assets Managed Neatly
Performance Co-Pilot - system-level performance analysis toolkit
Physical Web Project
The Physical Web Project develops use cases around Google's the Physical Web IoT
PLASMA explores ways to make programming languages faster, safer, and easier.
The premier python-based content management system
Portland State University
Portland State University
PRISM Model Checker
PRISM is a tool for formally verifying the correctness of probabilistic systems.
Open hardware and software to help communities measure and analyze pollution
Python Software Foundation
Python is programming language popular among scientists and more.
Open source machine emulator and virtualizer
R project for statistical computing
R is a free software environment for statistical computing and graphics
radare is a reverse engineering framework and toolset
ReactOS is a free, open source, Windows compatible operating system.
Red Hen Lab
Red Hen Lab: Research on Multimodal Communication
A framework for creating and modifying software components for robotics.
Open Source Deterministic Real-Time Operating System for Embedded Systems
The Ruby programming language, libraries, and tools
Ruby Science Foundation
Tools for Scientific Computing in Ruby
Sage Mathematical Software System
open-source mathematical software system
The programming language where object-oriented meets functional.
Numerical computation IDE for engineering and scientific applications
ScummVM is a GSoC umbrella for game preservation projects
Shogun Machine Learning Toolbox
Unified and efficient Machine Learning.
Open source information management software for international aid projects
Soletta Project is an open source framework for making IoT applications
Stony Brook University Biomedical Informatics
Biomedical Informatics at Stony Brook University
linux syscall tracer
Learning software for children
Sustainable Computing Research Group ( SCoRe )
SCoRe has conducted research covering various aspects of Security, Mobile & IOT.
Computer algebra system in Python
Systers, an Anita Borg Institute Community
Increasing the number of women in computing fields and technology.
Unravelling Cosmic Explosions in Style
TEAMMATES @ National University of Singapore
An online feedback management system for education
The Apertium Project
A free/open-source rule-based machine translation platform
The Center for Connected Learning and Computer-Based Modeling
NetLogo: A language and IDE for programming and scientific simulations
The Honeynet Project
The Honeynet Project - R&D for honeypot/honeynet technolgy and infosec research
The Julia Language
The Julia Language
The Linux Foundation
A non-profit consortium dedicated to fostering the growth of Linux
The LLVM Compiler Infrastructure
The LLVM Compiler Infrastructure
The Monarch Initiative
An informatics platform for translational disease research
The NetBSD Foundation
of course it runs NetBSD
The STE||AR Group
The STE||AR Group - Shaping a Scalable Future
The syslog-ng project
Open source log management solution with over a million users worldwide.
The Tor Project
Anonymity, privacy, and anti-censorship software
The Wine Project
Wine runs Windows applications on Linux, BSD, Solaris and Mac OS X.
Timelab Technologies Ltd.
We help scientists understanding information in time-series
TimVideos.us - FOSS event recording & streaming software and hardware.
Unitex/GramLab is an open source, multilingual corpus processing suite
Urban Energy Systems Laboratory, Empa
HUES is a platform for modeling & simulation of decentralized energy systems
Vert.x is a tool-kit for building reactive applications on the JVM.
VideoLAN / VLMC Project
A non-linear video editor, based on VLC technology.
vitrivr allows you to use novel methods to search in videos
Wayland is a protocol for windowing systems on both desktops and embedded
A global movement with a mission to bring free educational content to the world
Open Source Middleware Platform
X Window System and related projects (Mesa, DRI, Wayland, etc.)
Xapian Search Engine Library
Fast, scalable and flexible search
Generic web platform for developing collaborative apps on the wiki paradigm
Zulip Open Source Project
Zulip: Powerful open source group chat
Search for projects, organizations or usernames