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 works on innovative ideas and technologies in geoinformatics
AboutCode is a suite of tools to uncover data ... about software and code:
Linux Foundation’s open source project for smart legal contracts.
making space together
Fuzzing for the future
Android Graphics Tools Team
Providing excellent tools for graphics developers and driver makers
makes remembering things easy
Australian Umbrella Org for Open-Source Projects
A free/open-source machine translation platform
Open Technology for Professional Film Production
The world's most versatile, trusted and open autopilot
Free, open source, cross-platform audio software
Community supported open hardware for makers, innovators and educators
Bench-routes is an open-source project to analyze performance and monitor APIs.
We build a free and open source 3D creation suite.
Boost C++ Libraries
Boost provides free peer-reviewed portable C++ source libraries
We do computer graphics, 3D printing, & develop computer-aided tech (CAx)
Toolkit for cancer imaging research
Authorization library that supports access control models like ACL, RBAC, ABAC
Trustworthy software intensive systems for critical functions.
Now in Rust
Center for Research in Open Source Software, UC Santa Cruz
Bridging the Gap Between Student Work and Successful Open Source Projects
The Future of Storage
The umbrella organization for Particle (High-Energy) Physics-related projects
C++ library of computational geometry and geometry processing
Creating analytics and metrics to help define open source community health.
A Productive Parallel Programming Language
Tool to help programmers write Java code that adheres to a coding standard.
Fast, seamless, safe, and reliable computing experiences accessible for all.
eBPF-based Networking, Security, and Observability
Build and learn logic circuits in the cloud!
Growing and sustaining relationships
Building platforms for reproducible AI research
Building sustainable ecosystems for cloud native software
Linting and Fixing Code for All Languages
Continuous Delivery Foundation
Open-source community seeking to deliver software with security & speed
Checkpoint/Restore in User-space
Cuneiform Digital Library Initiative (CDLI)
International digital library of artifacts inscribed with cuneiform writing
Dart is a client-optimized language for fast apps on any platform.
Global and Unified Access to Knowledge Graphs
The Universal Operating System
Open-source Conversational AI Stack
Department of Biomedical Informatics (BMI), Emory University School of Medicine
Data science and integrative biomedical research to advance healthcare
Digital Impact Alliance (DIAL) at UN Foundation
Open source projects for humanitarian work, international development, and peace
Django Software Foundation
The web framework for perfectionists with deadlines.
Improving your Elm experience!
A complete, cross-platform solution to record, convert and stream audio & video
Fortran Programming Language
Open Source Compliance with Open Source Tools
FrameNet Brasil (UFJF)
Natural Language Understanding with structured computational semantics
Free and Open Source Silicon Foundation
Working together to improve the Free and Open Source Silicon ecosystem
FreeBSD: The Foundation of the Internet
A software library to render fonts.
Freifunk is a non-commercial initiative for free and open wireless networks.
Routing suite for *nix platforms including BGP, IS-IS, LDP, OSPF, PIM, and RIP
Genome Assembly and Annotation
We focus on annotating features of genomic sequences and delpoying to users
A flexible, source-based Linux distribution.
Open-source development of scalable algorithms for geometric statistics
GFOSS - Open Technology Alliance
Promote Openness through use and development of Open Standards and Open Source
fast, scalable, distributed revision control system
A complete DevOps platform delivered as a single application.
Global Alliance for Genomics and Health
We develop open standards and tools for genomics to benefit human health
The elegant and ethical desktop experience.
An open source Global Navigation Satellite Systems Software-Defined Receiver
GNU Compiler Collection (GCC)
GNU Mailman Project
GNU Mailman is a mailing list manager popular in open source projects.
Free Your Numbers
A free and open source toolkit for software radio.
Godot is a multi-platform 2D and 3D game engine with a feature-rich editor
Google FHIR SDK
This work is a partnership between Google, WHO, Ona and other health partners
Software for electromagnetic wave propagation simulation
GRR Rapid Response
GRR Rapid Response is an incident response framework for remote live forensics.
An application kernel for containers that provides efficient defense-in-depth
A desktop operating system written in C++
A language for fast, portable computation on images and tensors
Standardized, statically typed, lazy functional programming language
Automate REST APIs. Build next generation API clients.
enabling open and FAIR neuroscience
Vector graphic editor
Integrated Ocean Observing System (IOOS)
IOOS is our eyes on the ocean, coasts, and Great Lakes.
Intel Video and Audio for Linux
We work on Linux opensource video and AI software for Intel
International Catrobat Association
Computational thinking for all with free visual coding apps
Universal Access to All Knowledge
Non profit organization developing the Open Source bibliography manager JabRef
JPF is a highly extensible Java virtual machine built for software verification.
Community of projects around JBoss Middleware
JdeRobot - Universidad Rey Juan Carlos
A software toolkit for developing applications in Robotics and Computer Vision
Joomla, the flexible platform empowering website creators.
A note-taking and to-do application with synchronization capabilities.
International community creating Free Software together
Internet content for people without internet access
The ultimate entertainment center
Programming Languages Research with emphasis on the Lua language
Equity in education to transform lives
An open source camera stack and framework for Linux, Android, and ChromeOS
Libre Space Foundation
Open-source software and hardware technologies for space
Open Source Space and Earth Exploration
Healthcare for Humanity
LibreOffice is a free and open source office suite.
virtualization abstraction library
Liquid Galaxy project
Liquid Galaxy is a panoramic system that runs Google Earth across a PC cluster
Machine Learning for Science (ML4SCI) Umbrella Organization
Umbrella organization for machine learning applications in science
MapAction works on maps and data analysis for the humanitarian sector
One of the most popular databases on the web with many notable users
An open network for secure, decentralized communication
Mayor's Office of New Urban Mechanics (City of Boston)
Exploring, experimenting + evaluating new approaches to government + civic life.
MBDyn - free general-purpose multibody dynamics solver
A Python package for the handling and analysis of molecular simulation data.
Media Cloud is an open-source platform for media analysis.
Live ML anywhere
MetaBrainz Foundation Inc
Using open source & communities to curate large scale open data-sets.
MetaCall allows calling functions between multiple programming languages.
The world’s most used penetration testing framework
MGGG Redistricting Lab
MGGG researches applications in math and computer science for US redistricting
MIT App Inventor
Anyone can build apps with global impact.
fast, flexible C++ machine learning library
Software that is moving robots into the future
The World's Most Popular Notation App
A static type checker for Python and a compiler for type-annotated Python
National Resource for Network Biology (NRNB)
Developing open source software to enable network-based biomedical discovery
Modern music server and streamer compatible with Subsonic/Airsonic
NumFOCUS supports and promotes open source scientific software.
Open Bioinformatics Foundation
Promoting practice & philosophy of OSS & Open Science in biological research.
Advancing Open Source and Open Science for Chemistry
Open Genome Informatics
Association of open access genomics and bioinformatics projects.
Open Roberta® Lab is an online IDE introducing kids to program robots with NEPO®
Open source software for use in robotics research, education and industry
Opening the eyes of research astronomy software to the whole world.
Open Source Computer Vision and Deep Learning Library
Lowering the barrier of entry to privacy preserving technology
Write code. Save lives.
Creating and distributing free geographic data for the world.
Our community creates, promotes, improves and documents open-source software.
A Hackable Network Management System for the 21st Century
A free, online learning platform for making quality education accessible to all
Open-source code to accelerate orca conservation & bioacoustic research
OSGeo - Open Source Geospatial Foundation
The Open Source Geospatial Foundation
OWASP® is a nonprofit foundation that improves the security of software
Develop accessible tools for reproducible ecosystem modeling and forecasting
The immersive programming experience
Pidgin Instant Messenger
A universal chat client.
Allowing everyone on the planet to express themselves through filmmaking
Plan 9 Foundation
Lightweight distributed computing
Point Cloud Library
Standalone, large scale, open project for 2D/3D image and point cloud processing
The distributed and self-adaptive polystore
PostgreSQL is the world's most advanced open source database.
The Collaboration Platform for API Development
Our goal is to empower people of all backgrounds to learn how to program.
Contribute to open knowledge at scale - heritage preservation and translation
Open hardware and software to help communities measure and analyze pollution
A user-friendly visual programming environment for audio, video, and graphics.
Python Software Foundation
Python is a programming language used by software developers and scientists.
Open source machine emulator and virtualizer
A reasonably secure operating system
React Native Elements
Cross Platform React Native UI Toolkit
Open your windows to freedom!
Red Hen Lab
Research on Multimodal Communication
Rizin reverse engineering framework and toolset
An open-source framework to develop and manage robot components.
The ultimate open source team chat and federated communications platform
RTEMS is a real-time operating system kernel used around the world and in space.
Ruby is object-oriented programming language
open-source mathematics software system
Opening windows to a wider world
For open source, for education
SCoRe has conducted research covering various aspects of Security, Mobile & IOT.
ScummVM is an Adventure and Role-Playing game preservation project
The Great Library of Source Code
SPDX develops and promotes open standards for communicating software information
Shaping a Scalable Future
linux syscall tracer
We build and maintain tools that learners use to explore, create, and reflect.
Swift is a general-purpose, safe, and expressive programming language.
A completely FOSS toolchain for FPGAs.
Symbolic mathematics in Python
Open-source 2D animation software
syslog-ng is an enhanced log daemon, supporting a wide range of I/O methods
In-memory computing platform
Exploring supernovae made easy
TensorFlow is an open-source machine learning framework for everyone.
The Apache Software Foundation
Providing open source software to the public free of charge
The ENIGMA Team
A free development environment geared towards game development.
The Honeynet Project
The Honeynet Project - R&D for Honeypot/Honeynet Technology and InfoSec Research
The Julia Language
A fresh approach to Technical Computing
The Libreswan Project
Encrypting the Internet with IKE and IPsec
The Linux Foundation
A non-profit consortium dedicated to fostering the growth of Linux
The LLVM Compiler Infrastructure
LLVM Compiler Infrastructure
The NetBSD Foundation
Of course it runs NetBSD
The ns-3 Network Simulator Project
ns-3 is a packet-level network simulator for research and education.
The Palisadoes Foundation
Helping community-based organizations grow by using better software
The R Project for Statistical Computing
R is a free software environment for statistical computing and graphics.
The Terasology Foundation
Voxel world game/engine with a large focus on extensibility and developer tools
A modern, feature-rich, cross-platform, open source implementation of UEFI
Open Source Multimedia for Everyone
The multimedia search engine
Global movement whose mission is to bring free educational content to the world
Fast and lightweight Gtk3 desktop environment for Linux and BSD
Open-source and royalty free multimedia
XR for the Linux Desktop
The Advanced Open Source Enterprise Wiki
Powerful, modern, open source team chat, complete with apps for every platform.
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