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522 organizations since 2016

Filter by stack, capacity and track record. Every number comes from Google's public archive.

Since 2016 522GSoC 2026 183
AllEvery cycle since 201640First time in 202617Ten or more contributors27Growing in 202613Back after a break22

Showing 1–17 of 17 organizations

JavaPythonJavaScriptCompilersClear all

  • Accord Project

    Programming languages

    Accord Project champions the importance of contract text alongside computer-code when automating contracts. This is often referred to as Computable Contracts or Smart Legal Contracts.

    2026
    5
    Cycles
    5
    Projects
    18
    Trend
    JavaScriptReactCompilerOCaml+4

  • Babel

    Programming languages

    Babel, the community driven compiler for writing next generation JavaScript

    2026
    –
    Cycles
    1
    Projects
    2
    Trend
    JavaScriptNode.jsBabel

  • Boa

    Programming languagesNew in 2026

    Boa is an open-source, embeddable JavaScript engine written in Rust. The project aims to provide a correct, safe, and performant implementation of the ECMAScript specification, with a strong focus on long-term maintainability and developer ergonomics.

    2026
    2
    Cycles
    1
    Projects
    2
    Trend
    JavaScriptRust

  • Chapel

    Programming languages

    A Productive Parallel Programming Language

    2026
    –
    Cycles
    5
    Projects
    16
    Trend
    CPythonC++Chapel+1

  • Clojure

    Programming languages

    Supporting the Clojure and ClojureScript ecosystem

    2026
    –
    Cycles
    1
    Projects
    0
    Trend
    JavaScriptClojureClojurescriptJVM+1

  • Elm Software Foundation

    Programming languages

    A delightful functional language for reliable webapps.

    2026
    –
    Cycles
    1
    Projects
    1
    Trend
    JavaScriptHaskellElm

  • Eta

    Programming languages

    Eta is a dialect of Haskell on the Java Virtual Machine.

    2026
    –
    Cycles
    1
    Projects
    2
    Trend
    JavaHaskellJVM

  • Fortran-lang

    Programming languages

    Fortran-lang is an open-source community that develops tools and libraries for modern Fortran development. Our flagship projects include the standard library, Fortran build system and package manager, as well as the interactive compiler, LFortran. Fortran-lang also provides an inclusive and welcoming space for all Fortran enthusiasts around the world to collaborate.

    2026
    4
    Cycles
    6
    Projects
    25
    Trend
    PythonCC++LLVM+2

  • Free and Open Source Silicon Foundation

    Other

    The FOSSi (Free and Open Source Silicon) Foundation is a not-for-profit organization with the support the growing community of open source silicon hardware. We do this with a variety of activities and through Google Summer of Code we bring together enthusiastic mentees and outstanding projects. Under our umbrella are open source silicon hardware projects, operating systems and compilers for such projects, tools for electronic design automation and the related ecosystem.

    2026
    5
    Cycles
    11
    Projects
    65
    Trend
    PythonJavaScriptFPGACompiler+10

  • GDevelop

    Programming languages

    The cross-platform game engine designed for everyone.

    2026
    –
    Cycles
    1
    Projects
    2
    Trend
    JavaScriptCC++React+2

  • GNU Project

    Operating systems

    GNU is an operating system consisting entirely of free software, meaning it respects users’ freedom. The GNU operating system consists of GNU packages, which are programs released by the GNU Project, as well as free software released by third parties. The development of GNU made it possible to use a computer without relying on software that restricts or undermines user freedom. The GNU Project is the collective organization of maintainers and developers, webmasters, translators, and other contributors who develop and maintain more than 400 programs that together form the GNU operating system.

    2026
    5
    Cycles
    8
    Projects
    64
    Trend
    CPythonPosixLisp+10

  • lowRISC

    Other

    Open to the core - collaborative engineering for open source silicon and tools

    2026
    –
    Cycles
    3
    Projects
    10
    Trend
    LinuxVerilogFPGAChisel+4

  • mypy

    Programming languages

    A static type checker for Python and a compiler for type-annotated Python

    2026
    –
    Cycles
    2
    Projects
    3
    Trend
    Python

  • QEMU

    Infrastructure and cloud

    The QEMU Project includes the QEMU open source machine emulator and virtualizer and also acts as an umbrella organization for the KVM Linux kernel module and rust-vmm community.

    2026
    4
    Cycles
    10
    Projects
    45
    Trend
    CAssemblyKvmPython+3

  • The Rust Foundation

    Programming languages

    The Rust Project is a group of developers and maintainers who build and support the Rust programming language. Organised into teams, they develop new features and mantain the Rust language, its compiler and standard library, and also all kinds of infrastructure that supports Rust. This application is being made by the Rust Foundation, the legal entity for the Rust Programming language, working in close association with representatives from the Rust Project.

    2026
    13
    Cycles
    3
    Projects
    41
    Trend
    PythonRust

  • Unicode, Inc.

    Programming languages

    Bringing internationalization to software!

    2026
    –
    Cycles
    2
    Projects
    9
    Trend
    JavaC++RustUnicode

  • webpack

    Web

    webpack is THE build tool for modern web applications run on NodeJS webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

    2026
    3
    Cycles
    6
    Projects
    13
    Trend
    JavaScriptNode.jsWeb DevelopmentHTML5/CSS3+5

Contributor counts are accepted projects per cycle.

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