32 projects
Kubernetes
Kubernetes (K8s) is an open-source system for automating deployment, scaling, and management of containerized applications.
Contributors
95,834
Organizations
18,110
Software value
$1.2B
The Linux Kernel
The Linux Kernel Organization is a California Public Benefit Corporation established in 2002 to distribute the Linux kernel and other Open Source software to the public without charge. We are recognized by the IRS as a 501(c)3 private operating foundation.
Contributors
44,335
Organizations
5,117
Software value
$1.4B
Next.js
The React Framework
Contributors
34,603
Organizations
7,069
Software value
$69M
Definitely Typed
DefinitelyTyped is a community-driven project that provides high-quality TypeScript type definitions for JavaScript libraries.
Contributors
30,346
Organizations
8,784
Software value
$135M
Python
The Python programming language
Contributors
26,450
Organizations
4,245
Software value
$86M
Godot Engine
Godot Engine is a lightweight, cross-platform engine for 2D and 3D game development with a strong focus on usability and a custom scripting language.
Contributors
23,118
Organizations
2,719
Software value
$134M
Laravel Framework
Laravel Framework is an open-source PHP framework for building web applications, offering features such as routing, authentication, and database management.
Contributors
23,107
Organizations
4,326
NixOS
NixOS is a declarative, reproducible Linux distribution built around the Nix package manager, where the entire system configuration—including packages, services, and settings—is defined in a single configuration file.
Contributors
21,630
Organizations
3,647
Software value
$189M
Angular
Angular is a TypeScript-based web application framework developed by Google for building dynamic, single-page applications with a structured, component-driven architecture.
Contributors
21,412
Organizations
3,419
Software value
$33M
Golang
Go is an open-source programming language designed by Google that is known for its simplicity, performance, and efficient concurrency support.
Contributors
18,123
Organizations
5,056
Software value
$107M
React
React is a JavaScript library for building user interfaces. It enables developers to create reusable UI components and efficiently update views when data changes, following a declarative programming paradigm.
Contributors
17,882
Organizations
4,320
Software value
$24M
.NET runtime
.NET runtime is the execution engine that runs .NET applications, handling memory management, JIT compilation, and other core services needed to run managed code.
Contributors
17,518
Organizations
2,453
Material UI
Material UI is a popular React component library that provides pre-built, customizable UI components based on Google's Material Design system.
Contributors
15,848
Organizations
3,382
Software value
$35M
Zephyr Project
The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with safety and security in mind.
Contributors
15,721
Organizations
1,872
Software value
$131M
Storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Contributors
13,158
Organizations
2,940
Software value
$12M
The Symfony PHP Framework
Symfony is a PHP web application framework designed for building robust, scalable, and maintainable web applications using reusable components and a structured MVC architecture. It’s widely used for enterprise-level projects and forms the foundation of many other PHP platforms, including Laravel and Drupal.
Contributors
12,860
Organizations
3,113
Software value
$63M
Spring Boot
Spring Boot is a Java-based framework that simplifies the development of standalone, production-grade Spring applications by providing convention over configuration and embedded servers. It eliminates much of the boilerplate setup required by traditional Spring applications, enabling faster development and easier deployment.
Contributors
12,478
Organizations
1,920
Software value
$22M
Raspberry Pi Kernel
Kernel source tree for Raspberry Pi-provided kernel builds.
Contributors
11,996
Organizations
2,338
Software value
$1.4B
AWS Cloud Development Kit (CDK)
Define composable configuration models through code
Contributors
11,870
Organizations
2,248
Software value
$492M
NumPy
NumPy is a Python library for numerical computing, providing support for multi-dimensional arrays, mathematical functions, and efficient operations on large datasets.
Contributors
8,627
Organizations
2,136
Software value
$24M
Matplotlib
Matplotlib is a Python library for creating static, interactive, and animated visualizations, widely used for plotting graphs and charts in data analysis and scientific computing.
Contributors
8,186
Organizations
1,611
Software value
$21M
Ceph
The power of Ceph can transform your organization’s IT infrastructure and your ability to manage vast amounts of data. If your organization runs applications with different storage interface needs, Ceph is for you! Ceph’s foundation is the Reliable Autonomic Distributed Object Store (RADOS), which provides your applications with object, block, and file system storage in a single unified storage cluster—making Ceph flexible, highly reliable and easy for you to manage.
Contributors
7,597
Organizations
1,155
Software value
$310M
Espressif IoT Development Framework
Espressif IoT Development Framework, or ESP IDF, is an open source software kit that supplies tools, libraries, and APIs so you can develop, flash, and debug applications on Espressif ESP32 WiFi and Bluetooth microcontrollers.
Contributors
7,287
Organizations
906
Software value
$97M
Babel
Babel is a compiler for writing next-generation JavaScript.
Contributors
6,951
Organizations
2,477
Software value
$33M
Spring Framework
The Spring Framework is a lightweight, open-source Java framework that simplifies enterprise application development by providing comprehensive infrastructure support, including dependency injection, transaction management, and web development tools.
Contributors
6,562
Organizations
1,074
Software value
$36M
Quarkus: Supersonic Subatomic Java Project
Quarkus: Supersonic Subatomic Java.
Contributors
6,123
Organizations
1,082
Software value
$62M
CMSSW
CMS Offline Software
Contributors
4,098
Organizations
196
typescript-eslint
Tooling that enables ESLint and Prettier to support TypeScript
Contributors
3,435
Organizations
1,355
Software value
$10M
Gentoo
Gentoo is a flexible, source-based Linux distribution that enables users to optimize and customize their system by compiling software directly from source code.
Contributors
3,381
Organizations
880
Software value
$34M
Dolibarr ERP CRM
Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.
Contributors
3,297
Organizations
324
Software value
$76M
WebKit
The browser engine used by Safari, Mail, App Store and many other applications on macOS, iOS and Linux.
Contributors
2,479
Organizations
216
Software value
$1.8B
Git
Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
Contributors
1,506
Organizations
531
Software value
$28M