Google Summer of Code

52°North works on innovative ideas and technologies in geoinformatics

Find the origin and license of code

making space together

Code for the book "Artificial Intelligence: A Modern Approach"

Making Home Networking and Storage Simple

Providing excellent tools for graphics developers and driver makers

Australian Umbrella Org for Open-Source Projects

A free/open-source machine translation platform

open technology for professional film production

Industry-leading user experiences for networked APIs.

A modern open source rendering engine for animation and visual effects

The worlds most advanced open source autopilot

Build and test software of any size, quickly and reliably

Open hardware computing from kindergarten to kickstarter

Exploring cyberspace, sharing in its study, & helping to pioneer its development

Department of Biomedical Informatics (BMI), Emory University School of Medicine

Free and open source 3D creation for everyone, forever.

Boost provides free peer-reviewed portable C++ source libraries

Solid geometry, computer graphics, 3D printing, modeling, CAD, CAM, & other CAx!

Making Embedded Linux easy

Analytical solutions for Next-Generation Sequencing data

Computational Thinking for All with Free Visual Coding Apps

Developing open source solutions for discovery from complex cancer data

We develop Biomedical and Clinical informatics applications

Tools to make the world more accessible, starting with media

Bridging Gap Between Student Work and Successful Open Souce Projects

Umbrella organization for Particle (High-Energy) Physics-related projects

C++ library of computational geometry and geometry processing

Aimed at improving our understanding of open source health and sustainability

a Productive Parallel Programming Language

Prevent programming errors before they happen, via easy-to-use verification

Have fun exploring logic circuits right from your browser!

Growing and sustaining relationships

Computational Psycholinguistics

Sustaining and Integrating Cloud Native Open Source Technologies

Building platforms for reproducible AI research

Linting and Fixing Code for All Languages

Tool development in bioinformatics, computational biology, data visualization

open source firmware projects

Nonprofit building tools to promote digital creativity, sharing, and innovation.

CRIU (Checkpoint/Restore in User-space)

International digital library of artifacts inscribed with cuneiform writing

Fast code, fast.

Global and Unified Access to Knowledge.

The Universal Operating System

An open community of digital public services developers

Supporting open source projects for a digital society that serves everyone.

The web framework for perfectionists with deadlines.

Drupal is a Free, Open, Modular CMS written in PHP. Let's make something amazing

Supporting community development of visionary Earth science data technology.

Fedora Linux is built on the foundations of Freedom, Friends, Features, & First

A complete, cross-platform solution to record, convert and stream multimedia.

The organization that handles all aspects of the FOSDEM conference

Improving People's live with Open Tech

FOSSology is an open source license compliance software system and toolkit.

Natural Language Understanding with structured computational semantics

Working together to improve the Free and Open Source Silicon ecosystem

FreeBSD: The Foundation of the Internet

FreeType font rendering library

Freifunk is a non-commercial initiative for free and open wireless networks.

Authoritative databases of genome sequences and their function

Developing open software for IVI and the connected car.

A flexible, source-based Linux distribution.

fast, scalable, distributed revision control system

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

A set of compilers produced by the GNU project

the GNU Mailing List Manager

Free Your Numbers

GNU Radio: The free & open software radio ecosystem.

Multi-platform fully-featured 2D and 3D game engine

Simulating electromagnetic wave propagation for Ground Penetrating Radar

Integrated operating system for personal computers

Standardized, statically typed, lazy functional programming language

Automate REST APIs. Next generation API clients.

Advancing global collaborative brain research

Inkscape is a professional vector graphics editor for Windows, Mac OS X & Linux.

Putting scientific research into practice.

Intel Media And Audio For Linux

Integrating biological data sources, making it easy to query and analyse data

Universal Access to All Knowledge

We support the infrastructure of the Internet with Open Source

The open-source reference manager

Community of Java projects around JBoss Middleware

A software toolkit for developing applications in Robotics and Computer Vision

Open-source automation server for building great things at any scale

Joomla, the flexible platform empowering website creators.

JSK is focusing on the fundamental functions & systems for intelligent robots

Generic templated configuration management for kubernetes and more

Experience Freedom!

Internet content for people without internet access

Open for Innovation

The ultimate entertainment center

Programming Languages Research with emphasis on the Lua language

Open-source software and hardware technologies for space

Healthcare for Humanity

LibreOffice is a free and open source office suite.

virtualization abstraction library

Ultralight service mesh for Kubernetes and beyond

Liquid Galaxy delivers panoramic views across multiple displays and computers

LLVM Compiler Infrastructure

The Lua package manager and ecosystem

Package manager for macOS

One of the most popular databases on the web with many notable users

An open network for secure, decentralised communication

Scientific mechanical simulation tool for engineering research and development

MetaBrainz curates and makes available metadata about music and books.

Anyone Can Build Apps That Impact the World

fast, flexible C++ machine learning library

Moira is a realtime alerting system based on Graphite data

Empowering educators to improve our world

The internet for people, not for profit.

MuseScore is music notation software used by millions of musicians worldwide

A Content-Centric Future Internet architecture

Developing open source software to enable network-based biomedical discovery

Vim-fork focused on extensibility and usability

Firewalling, NAT and packet mangling for Linux

Promoting open practices in research, data, and scientific computing.

Empowering lives through non-visual access to technology

Opening the eyes of research astronomy software to the whole world.

Promoting practice & philosophy of OSS & Open Science in biological research.

Advancing Open Source and Open Science for Chemistry

Open Data Kit is used to collect data for social good in difficult environments.

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

Promote Openness through use and development of Open Standards and Open Source

Open Source Computer Vision and Deep Learning Library

Write code. Save lives.

Creating and distributing free geographic data for the world.

A Hackable Network Management System for the 21st Century

Collaborative tools for creating free, effective and enjoyable online lessons

The Open Source Geospatial Foundation

OWASP, The Open Web Application Security Project.

Ecosystem science, policy, and management informed by the best data and models

Unbiased open source database experts.

Performance Co-Pilot - system-level performance analysis toolkit

The immersive programming experience

A web interface for MySQL written in PHP

Allowing everyone on the planet to express themselves through filmmaking

The World's Most Advanced Open Source Database

Discover New Worlds

Open hardware and software to help communities measure and analyze pollution

Visual Programming Language for Realtime Multimedia

Python is a programming language used by software developers and scientists.

Open source machine emulator and virtualizer

R is a free software environment for statistical computing and graphics

Open your windows to freedom!

Documentation Simplified

Research on Multimodal Communication

An open-source framework to develop and manage robot components.

The ultimate open source team chat and collaboration platform

RTEMS is a real-time operating system kernel used around the world and in space.

The Ruby programming language and other libraries

Tools for scientific computation in Ruby

open-source mathematics software system

From the kernel to the browser, open source projects from Salesforce.

Samba is the standard Windows interoperability suite of programs for Linux/Unix.

SCoRe has conducted research covering various aspects of Security, Mobile & IOT.

ScummVM is a GSoC umbrella for game preservation projects

Unified and efficient Machine Learning

Software Analysis, Software Verification, and Benchmarking

The Great Library of Source Code

Promoting open source compliance through standard communication of SW licenses.

linux syscall tracer

Programming assignment submission with automated grading and manual TA grading

Sugar is an activity-focused, open-source learning platform for children.

Swift is a high-performance application and system programming language.

A completely FOSS toolchain for FPGAs.

SymPy is a Python library for symbolic mathematics.

Open-source 2D animation software

Open source log management solution with over a million users worldwide.

An open-source machine learning framework for everyone.

Providing open source software to the public free of charge

NetLogo: A language and IDE for programming and scientific simulations

The Platform for Open Innovation and Collaboration

GNU is an operating system that is free software and respects users' freedom

The Honeynet Project - R&D for Honeypot/Honeynet Technology and InfoSec Research

An extensible software analysis framework for Java bytecode

A fresh approach to Technical Computing

Encrypting the Internet with IKE and IPsec.

A non-profit consortium dedicated to fostering the growth of Linux

End Poverty One Line of Code at a Time

Of course it runs NetBSD

ns-3 is a packet-level network simulator for research and education.

Devoted to the advancement of the Perl languages through discussion and code

A project to create an open-sourced managed Postgresql service for Kubernetes

Our goal is to empower people of all backgrounds to learn how to program.

Voxel world game/engine with a large focus on extensibility and developer tools

Declarative formats & Applications for Creating, Saving & Sharing Visualizations

Wine runs Windows applications on Linux, BSD, Solaris, macOS and Android.

Software & hardware for recording + streaming conferences, meetings, user groups

The asynchronous run-time for the Rust programming language.

Secure software defined networking for any cloud, anywhere.

Helping biologists see the bigger picture in diverse cancer genomics data

VideoLAN is a team of volunteers believing in FOSS to rock the multimedia world.

webpack is THE build tool for modern web applications run on NodeJS

Global movement whose mission is to bring free educational content to the world

X Window System and related projects (Mesa, DRI, Wayland, etc.)

Fast, scalable and flexible search

A modern text editor with a backend written in Rust.

Secure and federated communication with open standards

screen for X11, remote access for MS Windows and Mac OS

The Advanced Open Source Enterprise Wiki

Powerful, modern, open source team chat, complete with apps for every platform.

An open source musical software synthesizer with a wide range of possibilities