org_description

Shaping a Scalable Future

library, optimization, parallel algorithms, hpx, application

http://stellar-group.org/

Anyone can build apps with global impact.

javascript, java, gwt, swift

education, development tools, android, ios

http://appinventor.mit.edu

Create and distribute free geodata for the world

python, javascript, java, c++, sql

databases, routing, gis, ui, geocoding

https://www.openstreetmap.org/

Learning software for children

python, gtk, typescript, javascipt

education, games, desktop

https://sugarlabs.org

Build and learn logic circuits in the cloud!

javascript, rails, canvas

education, web, simulation, pedagogy, digital logic design

http://circuitverse.org/

Webapp providing a UX-first interface to databases

python, postgresql, javascript, django, svelte

databases, web, data, nonprofit, self-hosted

https://mathesar.org/

Adventure and RPG preservation project

opengl, lua, c++, assembly, sdl

games, game engines, software preservation, software archeology

https://www.scummvm.org/

Building sustainable ecosystems for cloud native

prometheus, kubernetes, OpenTelemetry, envoy

cloud, cloud native, observability

C library implementing TLS and DTLS

c, Cryptography, TLS

security, cryptography, TLS, DTLS

https://gitlab.com/gnutls/gnutls

Industry leading malware analysis

python, ida-pro, Ghidra

emulation, disassembly, decompilation, malware-analysis, reverse-engineering

https://www.mandiant.com/

OWASP Foundation

No more insecure software.

python, javascript, java, ZAP, Juice Shop

web, cloud, application security, cybersecurity, DevSecOps

https://owasp.org

Open Source Multimedia for everyone!

c, c++, qt, assembly, video

audio, streaming, video, codecs, media database

https://www.videolan.org

Domain specific language for audio

c, python, javascript, c++, typescript

audio, compiler, digital signal processing, function programming language

https://faust.grame.fr

The Honeynet Project

Honeypots and Threat Intelligence R&D

python, javascript, django, go, docker

honeypots, malware analysis, Threat Intelligence

https://honeynet.org

Creative Commons

Nonprofit building a global digital commons.

python, javascript, php, css, wordpress

web, nonprofit, copyleft, creative commons, legal

https://opensource.creativecommons.org/

CCExtractor Development

TV, Rust, Flutter, Linux, VR and C. In any order.

c, linux, rust, flutter

vr, linux, video, subtitles, mobile

https://www.ccextractor.org

Look at the Universe with the power of open source

image processing, astronomy, solar physics, high energy astrophysics

https://openastronomy.org/

Genome Assembly and Annotation

Providing freely accessible genomic data

python, mysql, docker, pytorch, nextflow

machine learning, genomics, big data, cloud, hpc

https://www.ebi.ac.uk/

Society for Arts and Technology (SAT)

Create teleimmersive multisensorial experiences.

python, javascript, opengl, c++, supercollider

web, graphics, cloud, multimedia, accessibility

The free & open software radio ecosystem

python, c++, qt, simd

real-time, dsp, communications engineering, cybersecurity, Software-Defined Radio

https://www.gnuradio.org

Internet Health Report

Monitoring the Internet

python, javascript, apache kafka, VueJS

networking, routing, communication, internet, data analytics

https://ihr.iijlab.net

National Resource for Network Biology (NRNB)

Developing open source tools for network biology

python, javascript, java, xml, r

web application, data science, graphics, scientific computing, network biology

https://nrnb.org/gsoc.html

Record, convert and stream audio & video

audio, video, subtitles, multimedia

https://ffmpeg.org/

Fast,Scalable,Distributed revision control system

shell script, git, c language

version control, dvcs

https://git-scm.com/

Liquid Galaxy project

We code immersive and interactive aps with G Earth

python, linux, android, flutter, Google Earth

visualization, networking, maps, cluster, ux

https://www.liquidgalaxy.eu

Global and Unified Access to Knowledge Graphs.

python, javascript, java, scala, rdf

natural language processing, semantic web, linked data, knowledge graph, data extraction

https://www.dbpedia.org/

Modern team chat app designed for efficiency.

python, django, css, typescript, electron

great developer tooling, visual design, teaching quality codebase, team chat, integrations

https://zulip.com/

State of the art fuzzing for better security

llvm, rust, fuzzing, qemu

https://aflplus.plus

Cockpit is an interactive server admin interface

python, javascript, react

operating systems, web, linux

https://cockpit-project.org/

3D CAD & other computer-aided tech (CAx)

python, c/c++, opengl, opencl, scripting

geometry, 2d/3d graphics, ray tracing, high-performance computing, conversion standards

https://opencax.github.io/

The Hackable Network Management System

python, javascript, django, lua, openwrt

networking, network management system, wifi, vpn, sdn

https://openwisp.org

TARDIS RT Collaboration

Exploring supernovae made easy

python, numba, numpy, jupyter, pandas

visualization, big data, simulation, astrophysics

https://tardis-sn.github.io

A free/open-source machine translation platform

python, javascript, c++, xml, bash

natural language processing, machine translation, language technology, less-resources languages

https://apertium.org/

XMPP Standards Foundation

XSF develops an open-standard messaging protocol

vala, xmpp, swift, dart, Objective C

instant messaging, chat, WebRTC, Jingle, Real-Time Communication

https://xmpp.org/

A real-time operating system for Earth & Space

python, c/c++, assembly, posix

kernel, embedded, real-time, multicore, rtos

https://www.rtems.org/

Django Software Foundation

Web framework for perfectionists with deadlines

https://www.djangoproject.com

The Julia Language

A fresh approach to technical computing

machine learning, julia, data science, gui, models

math, machine learning, science, data science, graphs

https://julialang.org

Open Source License Compliance by OSS

python, postgresql, c/c++, go, php

automation, spdx, license compliance, nlp, compliance automation

https://fossology.org

Processing Foundation

To empower all people to learn to program

python, javascript, android, java, opengl

education, web, graphics, creative coding, design

http://processingfoundation.org

E2E test generation and mocking toolkit

java, golang, node, MERN, epbf

API Testing, No code platform, Dev Tool, Functional Testing, Mock and Stubs Generation

X.Org Foundation

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

opengl, vulkan, x11, wayland, DRM

graphics, kernel, drivers

https://www.x.org

Vector Search Database for the new AI generation.

python, javascript, rust

databases, machine learning, Search Engines

https://qdrant.tech

Scan code for origin, license and vulnerabilities

python, javascript, Django+PostgreSQL, C/Rust/Go

dependencies, vulnerabilities, SoftwareCompositionAnalysis, License, SBOM

https://aboutcode.org

Scalable geometric and statistical software

python, c++, r, jupyter, github-actions

mathematics, data science, computational biology, computational geometry, statistics

https://geomscale.github.io

FreeType is a software library to render fonts.

c, autotools, meson

library, rendering, fonts, opentype, truetype

https://freetype.org

Oppia Foundation

Free platform for interactive, tutor-like lessons

python, google app engine, angular, typescript

education, web, community, nonprofit, social impact

https://www.oppia.org

Healthcare for Humanity

python, javascript, android, java, dart/flutter

web, deep learning, hfoss, radiology, mobile apps

https://librehealth.io

Multimodal AI from the community, for everyone

python, machine learning, microservices, data science, Multimodel AI

cloud native, neural search, generative AI, Python MLOps Framework, Mulitmodel Data

Open source IP, tools & standards for ASIC/FPGA

fpga, chisel, risc-v, systemverilog, ASIC

soc, IP cores, ASIC design, HDL, chiplets

https://chipsalliance.org/

Rizin reverse engineering framework and toolset

c, python, go, c++, qt

reverse engineering, computer security, debugging, emulation, disassembly

Guide and support the Scala community

scala, scala.js, scala native

education, compilers, tooling

https://scala-lang.org/

Software and Computational Systems Lab at LMU Munich

Software Verification, SAT & SMT solving

software verification, benchmarking, program analysis, formal methods, SAT & SMT solving

https://www.sosy-lab.org/

Realtime Audio/Visual Programming Environment

c, javascript, html5, Emscripten

web, graphics, audio, realtime

https://www.purrdata.net/

Write Code, Save Lives.

mysql, javascript, java, reactjs, fhir

platform, frontend, Electronic Medical Record System, QA automation

https://openmrs.org/

Toolkit for developing Robotics applications

python, ros, gazebo, opencv, tensorflow

education, artificial intelligence, robotics, computer vision, developer tools

http://jderobot.github.io

NumFOCUS promotes open source scientific software.

python, c++, r, julia

data science, graphics, scientific computing, numerical computation

https://numfocus.org

Development of the GNU Operating System

c, c++, gcc, autotools

tools, toolchain, command line, OS, binary tools

https://www.gnu.org

Global Alliance for Genomics and Health

We develop genomics tools to benefit human health

python, postgresql, java, react, rust

web, genomics, bioinformatics, genetics, standards

https://ga4gh.org

An open & FAIR neuroscience standards organization

python, javascript, java, c++, gpu

machine learning, data visualization, neuroscience, brain modelling, neuroimage processing

https://www.incf.org

Machine Learning for Science (ML4SCI)

Machine learning applications in science

python, machine learning, c++, data analysis, artificial intelligence

machine learning, science and medicine, algorithms, physics, astronomy

https://ml4sci.org/

Offline maps app for tourists, cyclers & hikers

android, java, c++, ios, OpenStreetMap

privacy, maps, navigation, mobile, offline

https://organicmaps.app

The Future is API-First

javascript, api, openapi, AsyncAPI, JSON Schema

testing, api, automation, documentation, data

https://postman.com

A Fast and Secure Unikernel SDK

c, xen, golang, kvm, assembly language

virtualization, cloud, software reuse, software configurability

https://unikraft.org/

International Catrobat Association

Free visual coding apps for computational thinking

javascript, swift, kotlin, php, flutter

education, visual programming, mobile programming, game engines, creativity tools

https://www.catrobat.org

MetaBrainz Foundation Inc

Open music / book metadata, music recommendations

python, react, perl, postgres, spark

open data, music, books, Music recommendation, music social network

https://metabrainz.org

Simulating electromagnetic wave propagation

python, cuda, openmp, mpi, opencl

science, engineering, geophysics, electromagnetics, ground penetrating radar

https://www.gprmax.com

Chekpoint/Restore for Linux tasks and containers

c, python, linux, go

cloud, containers, Checkpoint/Restore

Stream Processing for Operational Analytics

java, Rxjava, Akka, Netty

cloud, distributed systems, Operational Analytics

https://netflix.github.io/mantis/

Toolkit for cancer imaging research

python, javascript, mongodb, opencv, tensorflow

data visualization, image analysis, AI/ML, microscopy, dicom pathology

https://camicroscope.github.io

The fastest growing Open Source Database

python, javascript, c/c++, perl, databases

Database Engines, SQL Features

https://mariadb.org

LibreOffice is a free and open source office suite

office suite, desktop application, end user application

https://www.libreoffice.org/

Advancing Open Source & Open Science for Chemistry

python, javascript, opengl, c++, c++14

data science, graphics, scientific visualization, cheminformatics, quantum chemistry

https://openchemistry.org/

GNU Image Manipulation Program

GIMP is a cross-platform image editor

graphics, design, photography, illustration

https://www.gimp.org/

Kotlin Foundation

Advance the Kotlin programming language

gradle, kotlin, jvm, Parsers & Compilers, Multiplatform

compilers, programming languages, software development, libraries, Programming & Build Tools

https://kotlinfoundation.org/

Cross-platform 3D parametric modeler

python, c++, qt, OpenCASCADE, OpenInventor

engineering, graphics, cad, architecture, CAM

https://freecad.org

Development of open source robotics

ros, gazebo, ignition, Open-RMF

robotics, simulation

https://www.openrobotics.org/

OpenVINO Toolkit

Make AI inference faster and easier to deploy!

machine learning, ai, deep learning, neural network, inference

https://docs.openvino.ai/

Open source team chat and communications platform

javascript, raspberry pi, typescript, node, meteorJS

communications, messaging, group chat, Team Collaboration, Chat platform

https://github.com/RocketChat

Stratosphere Laboratory, Czech Technical University in Prague

Using machine learning and security to help others

python, javascript, redis, flask, docker

machine learning, network security, Security Defense

https://www.stratosphereips.org/

Micro Electronics Research Lab - UITU

Accelerating Engineering Innovation

RISCV, Processor, Hardware, systemonchip, memory

iot, embedded, Processor, System on Chip, RISC-V

https://www.merledupk.org

Open CS Education as a catalyst for social change

python, mysql, php, typescript, vue.js

education, web, cloud, edtech, UX/UI

https://omegaup.org

Operating system that targets personal computing.

desktop, kernel, network, media, gui

https://www.haiku-os.org

The Most Advanced Open Source Relational Database

c, python, postgresql, javascript, sql

web, database, ui, sql, Benchmark

https://postgresql.org

The Advanced Open Source Enterprise Wiki

javascript, java, html5, css3, velocity

web development, wiki, platform, web applications, structured data

https://www.xwiki.org/

Open Technologies Alliance - GFOSS

Promote Open Standards and Open Source

javascript, c/c++, nodejs, python 3, Machine Learning (ML)

web, robotics, open hardware, c++, nodered

http://www.gfoss.eu

Plone Foundation

Python-based CMS, with React front-end.

python, javascript, react

Umbrella for Particle Physics-related projects

python, c/c++, data analysis, artificial intelligence, container orchestration

machine learning, big data, algorithmics, particle physics, Performance Optimisation

http://hepsoftwarefoundation.org/activities/gsoc.html

Research on Multimodal Communication

python, machine learning, computer vision, nlp, data science

data science, media, language, multimodal communication, gesture

http://www.redhenlab.org

Pharo Consortium

Modern and innovative programming language

git, smalltalk, roassal, pharo, SUnit

compilers, machine learning, programming languages, virtual machines, Modelling

https://pharo.org/

openSUSE Project

Makers' choice for sysadmins, developers & users

python, ruby, perl, rust, reactjs javascript

AIML, operating system developer tools, containers kubernetes, Security Cryptography, licensing & software quality QA

https://get.opensuse.org/

security, cryptography

https://www.libssh.org/

Ruby is an object-oriented programming language

c, java, ruby on rails, ruby, rubygems

security, web, cloud, server, application

https://www.ruby-lang.org/

Fast, secure and flexible BIOS firmware

c, assembly, arm, x86

hardware, drivers, firmware, boot loader, BIOS

https://coreboot.org

The FreeBSD Project

FreeBSD: An OS for servers to embedded systems

c, llvm, assembly, make, POSIX shell

virtualization, operating system, Embedded System

https://www.freebsd.org/

Simplifying the embedding of programming languages

python, c++, rust, nodejs, docker

cloud, polyglot, faas, languages, ffi

https://metacall.io

Open Genome Informatics

Open access genomics and bioinformatics projects

python, react, r-project, graph, angular

genomics, bioinformatics, cloud, biology, data discovery

http://gmod.org/wiki/GSoC

Free and Open Source Silicon Foundation

Working together for Free and Open Source Silicon

verilog, risc-v, compiler, web development

hardware, debug, web services, simulation, electronic design tools

https://www.fossi-foundation.org

Python Software Foundation

A programming language used for science & more

python, javascript, c++, SBOM

security, visualization, compiler, modeling, Backup

https://python-gsoc.org/

Free Your Numbers

mathematics, scientific computing, numerical computation, numerical methods, matlab

https://www.octave.org