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Top 30 Open Source Projects
A curated list of the most essential open source projects, based on the OpenSSF Criticality Score. These projects power global infrastructure and are widely relied upon across industries.
598,441 contributors
$8.1B
Featured projects
Cloud Native Computing Foundation (CNCF)
The Cloud Native Computing Foundation (CNCF) is an open-source organization under the Linux Foundation that promotes the development and adoption of cloud-native technologies. It serves as a hub for projects that enable scalable, resilient, and portable applications in modern cloud environments.
197 projects
580,738 contributors
$22B
Featured projects
The Linux Kernel Organization
The Linux Kernel Organization is responsible for maintaining and distributing the Linux kernel, the core of the Linux operating system. It oversees the development, collaboration, and release processes for the kernel, ensuring stability, security, and performance.
1 project
44,335 contributors
$1.4B
Featured projects
PyTorch Foundation
The PyTorch Foundation is an organization under the Linux Foundation that oversees the development and governance of PyTorch, an open-source deep learning framework originally developed by Meta (Facebook). It provides a structured environment for collaboration among researchers, developers, and industry partners.
1 project
42,209 contributors
$113M
Featured projects
Open Source Security Foundation (OpenSSF)
The Open Source Security Foundation (OpenSSF) is a collaborative initiative under the Linux Foundation, dedicated to improving security in open-source software. It brings together industry leaders, developers, and security experts to address vulnerabilities and enhance the supply chain security of open-source projects.
28 projects
7,557 contributors
$1.9B
Featured projects
LF AI & Data
LF AI & Data is a foundation under the Linux Foundation dedicated to advancing open-source artificial intelligence (AI), machine learning (ML), and data projects. It fosters collaboration between industry leaders, researchers, and developers to create scalable, trustworthy, and interoperable AI and data solutions.
71 projects
79,903 contributors
$2B
Featured projects
LF Networking (LFN)
LF Networking (LFN) is an initiative under the Linux Foundation that fosters collaboration to develop open-source networking solutions. It brings together service providers, cloud providers, enterprises, and vendors to create scalable, interoperable, and automated network infrastructures.
104 projects
29,098 contributors
$960M
Featured projects
FINOS (The Fintech Open Source Foundation)
FINOS (The Fintech Open Source Foundation) is a Linux Foundation project dedicated to open-source innovation in the financial services industry. It fosters collaboration between banks, fintech companies, technology firms, and regulatory bodies to drive open-source adoption and create interoperable solutions for finance.
61 projects
16,449 contributors
$424M
Featured projects
Common Cloud Controls
FinOps Foundation
Focuses on advancing cloud financial management through best practices, education, and standards.
3 projects
49 contributors
Featured projects
FinOps Project
OpenJS Foundation
Hosts projects that support the JavaScript ecosystem, fostering collaboration and innovation in web technologies.
41 projects
103,589 contributors
$3.9B
Featured projects
LF Energy (LFE)
Accelerates the energy sector's transition to open-source technologies for smarter grids and sustainable energy solutions.
31 projects
5,645 contributors
$4.3B
Featured projects
Joint Development Foundation
Facilitates the creation of standards and specifications through open-source collaboration.
24 projects
385 contributors
Featured projects
Academy Software Foundation
The mission of the Academy Software Foundation (ASWF) is to increase the quality and quantity of contributions to the content creation industry’s open source software base; to provide a neutral forum to coordinate cross-project efforts; to provide a common build and test infrastructure; and to provide individuals and organizations a clear path to participation in advancing our open source ecosystem.
19 projects
11,244 contributors
$501M
Featured projects
LF Edge
Develops open-source software for edge computing, enabling devices to process data closer to where it's generated.
18 projects
52,363 contributors
$2B
Featured projects
LF Decentralized Trust
Encompasses projects like Hyperledger and Trust Over IP, aiming to build decentralized digital trust infrastructure.
17 projects
30,053 contributors
$697M
Featured projects
Open Mainframe Project (OMP)
Promotes the adoption and development of open-source software on mainframe platforms.
16 projects
8,272 contributors
$1.1B
Featured projects
O-RAN Software Community
Develops open-source software for Radio Access Networks (RAN) to promote interoperability and innovation in mobile networks.
15 projects
3,966 contributors
$214M
Featured projects
Cloud Foundry Foundation (CFF)
The Cloud Foundry Foundation (CFF) is a directed fund under the Linux Foundation that governs and promotes Cloud Foundry, an open-source, multi-cloud Platform-as-a-Service (PaaS) designed to simplify application development and deployment across diverse cloud environments.
13 projects
19,087 contributors
$5.1B
Featured projects
Confidential Computing Consortium (CCC)
The Confidential Computing Consortium (CCC) is a Linux Foundation project that brings together hardware vendors, cloud providers, and software developers to accelerate the adoption of confidential computing—technology that protects data in use by performing computation in a trusted execution environment (TEE).
11 projects
3,855 contributors
$201M
Featured projects
Data Plane Development Kit (DPDK)
The Data Plane Development Kit (DPDK) is a Linux Foundation project providing open-source libraries and drivers to accelerate packet processing in user space across various CPU architectures. It enables high-throughput, low-latency networking applications by bypassing the kernel, making it ideal for performance-critical systems like routers, firewalls, and telecom infrastructure.
11 projects
2,209 contributors
$101M
Featured projects
Call for Code
A worldwide, multi-year initiative inspiring developers to solve pressing problems with sustainable solutions. Commit to the cause. Push for change.
11 projects
750 contributors
$67M
Featured projects
High Performance Software Foundation (HPSF)
Aims to build and promote open-source software for high-performance computing applications.
10 projects
11,987 contributors
$996M
Featured projects
Continuous Delivery Foundation (CDF)
The Continuous Delivery Foundation (CDF) is a Linux Foundation project that fosters collaboration on open-source continuous integration and delivery (CI/CD) tools. It hosts key projects like Jenkins, Tekton, Spinnaker, and Jenkins X, promoting best practices and interoperability in software delivery.
10 projects
17,386 contributors
$995M
Featured projects
Project Jupyter
Provides open-source tools for interactive computing, including Jupyter Notebooks, widely used in data science and education.
9 projects
41,548 contributors
$325M
Featured projects
LF Networking (LFN)
LF Networking (LFN) provides the largest set of open source networking projects via a broad industry coalition that comprise the open networking stack. The projects within LF Networking consolidate under a single umbrella with common governance to simplify engagement for members, enhance operational excellence, integrate components and increase interoperability across the stack, and foster a commercially-ready ecosystem.
8 projects
10,487 contributors
$944M
GraphQL Foundation
Supports the GraphQL query language and related tools to enhance API development and usage.
7 projects
14,846 contributors
$14M
Featured projects
Automated Compliance Tooling (ACT)
Open initiative focused on developing and maintaining open-source tools that automate and streamline compliance with industry standards, regulations, and policies across software systems and infrastructure.
7 projects
163 contributors
Featured projects
Open Container Initiative (OCI)
Creates open industry standards around container formats and runtimes to ensure portability and interoperability.
6 projects
3,238 contributors
$42M
Featured projects
CHIPS Alliance Fund
The CHIPS Alliance Fund under the Linux Foundation supports open-source hardware development, fostering collaboration on silicon device designs, including CPUs and SoCs, to accelerate innovation and reduce development costs.
6 projects
161 contributors
$2.1M
Featured projects
R Consortium, Inc.
Promotes the R programming language and its ecosystem through funding and support of open-source projects.
5 projects
312 contributors
Featured projects
Dronecode Project, Inc.
Supports open-source UAV (unmanned aerial vehicle) software, including PX4 autopilot, to advance drone innovation.
5 projects
18,219 contributors
$809M
Featured projects
LF Connectivity
Focuses on advancing open-source projects related to connectivity technologies, including networking and telecommunications.
4 projects
19 contributors
Featured projects
LF Connectivity
SPDX
(Software Package Data Exchange) Provides a standard format for communicating software bill of materials (SBOM) information.
3 projects
79 contributors
Featured projects
Post-Quantum Cryptography Alliance
Focuses on developing cryptographic algorithms resistant to quantum computing threats.
3 projects
1,528 contributors
$120M
Featured projects
Open 3D Foundation
Supports the development of open-source 3D engine technology for gaming, simulation, and visualization applications.
3 projects
3,206 contributors
$458M
Featured projects
Magma Fund
Supports the Magma project, which provides a software platform for building carrier-grade mobile networks.
3 projects
1,549 contributors
$86M
Featured projects
US GOV OPS
The US GOV OPS project under the Linux Foundation is an initiative aimed at enhancing the adoption and development of open-source software within U.S. government operations.
2 projects
2 contributors
Featured projects
Margo
Aims to develop open-source solutions for managing and orchestrating network functions and services.
2 projects
160 contributors
$739K
Featured projects
Broadband Fund
Supports open-source projects that transform broadband networks and the Passive Optical Network (PON) industry, including the SEBA reference design and the VOLTHA project for virtualizing multi-vendor PON systems.
2 projects
387 contributors
$391M
Featured projects
Open Programmable Infrastructure Fund
Supports the development of open-source solutions for programmable infrastructure, including SmartNICs and DPUs.
2 projects
195 contributors
$15M
Featured projects
The Presto Foundation Fund
Supports Presto, an open-source distributed SQL query engine for big data analytics.
2 projects
5,490 contributors
$1.9B
Featured projects
RISC-V International
Advances the RISC-V open standard instruction set architecture, promoting open hardware development.
2 projects
6,649 contributors
$27M
Featured projects
The Linux Foundation
A non-profit organization established in 2000 to support Linux development and open-source software projects.
2 projects
12,438 contributors
$5.5M
Featured projects
Alliance for OpenUSD Fund (AOUSDF)
The Alliance for OpenUSD (AOUSD) is an open, non-profit organization dedicated to promoting the interoperability of 3D content through OpenUSD (Universal Scene Description).
2 projects
231 contributors
Featured projects
ELISA Fund
(Enabling Linux in Safety Applications) Aims to make Linux suitable for safety-critical systems like automotive and medical devices.
2 projects
130 contributors
Featured projects
InterUSS Platform Fund
Develops an open-source platform for Unmanned Aircraft System (UAS) Service Suppliers to share airspace data.
2 projects
148 contributors
$5.4M
Featured projects
kernelCI Initiative Fund
Automates testing of the Linux kernel across various hardware platforms to ensure stability and compatibility.
2 projects
352 contributors
$5.8M
Featured projects
P4 Fund
Supports the P4 programming language, enabling programmable data planes in networking devices.
2 projects
2,240 contributors
$53M
Featured projects
Green Software Foundation Fund
Advocates for sustainable software development practices to reduce carbon emissions in the tech industry.
2 projects
23 contributors
Featured projects
Green Software Foundation
DENT Fund
Develops an open-source network operating system for disaggregated network switches, targeting enterprise edge and retail environments.
2 projects
1,041 contributors
$46M
Featured projects
Tazama Project
Develops open-source tools for monitoring and observability in cloud-native environments.
2 projects
113 contributors
$19M
Featured projects
Aether Fund
Aether is a cloud native implementation of 5G Connectivity-as-a-Service.
2 projects
1,865 contributors
$153M
Featured projects
Xen Project
Xen Project
1 project
1,860 contributors
$24M
Featured projects
Unified Acceleration Foundation Fund
Aims to create a unified programming model for diverse computing architectures.
1 project
0 contributors
Featured projects
TODO Group
(Talk Openly, Develop Openly) A community of open-source program managers sharing best practices and tools.
1 project
937 contributors
$6.2M
Featured projects
SONiC Fund
Supports SONiC (Software for Open Networking in the Cloud), an open-source network operating system.
1 project
5,017 contributors
$513M
Featured projects
Servo Project
Develops a high-performance browser engine written in Rust, focusing on parallelism and safety.
1 project
9,844 contributors
$1B
Featured projects
Open Security Controller Project (OSC)
Provides open-source solutions for orchestrating security services in software-defined networks.
1 project
1 contributor
Featured projects
Delta Lake Project
The Delta Lake Project is an open-source storage framework hosted by the Linux Foundation's LF AI & Data Foundation. It enables the creation of a Lakehouse architecture by providing ACID transactions, scalable metadata handling, and time travel capabilities on top of existing data lakes.
1 project
3,720 contributors
$39M
Featured projects
OpenChain Project
Establishes standards for open-source compliance to ensure consistent and reliable software supply chains.
1 project
709 contributors
$12M
Featured projects
Ceph Foundation
The Ceph Foundation is an open-source initiative under the Linux Foundation that supports the development and adoption of Ceph, a highly scalable and distributed storage platform. Ceph provides unified storage solutions, including object, block, and file storage, making it popular for cloud and enterprise environments.
1 project
7,597 contributors
$310M
Featured projects
IO Visor Project
Offers a programmable data plane for modern networking, leveraging technologies like eBPF.
1 project
1 contributor
Featured projects
MLflow
An open-source platform for managing the machine learning lifecycle, including experimentation, reproducibility, and deployment.
1 project
7,112 contributors
Featured projects
Civil Infrastructure Platform (CIP)
The Civil Infrastructure Platform (CIP) is a Linux Foundation project that provides an open-source, industrial-grade software base layer for long-term maintenance of critical infrastructure systems like power, transportation, and healthcare.
1 project
20 contributors
Featured projects
Open Mobile Hub
Provides open-source tools and frameworks for building and managing mobile applications and services.
1 project
204 contributors
$27M
Featured projects
Automotive Grade Linux (AGL)
Automotive Grade Linux (AGL) is a collaborative open-source project under the Linux Foundation that brings together automakers, suppliers, and technology companies to develop a unified software platform for in-vehicle infotainment (IVI) and other automotive applications.
1 project
1,794 contributors
$205M
Featured projects
OpenSearch Software Foundation
The OpenSearch Software Foundation (OSSF) is an open-source organization dedicated to the development and governance of OpenSearch, a community-driven search and analytics suite. Originally forked from Elasticsearch and Kibana after their licensing changes, OpenSearch is supported by Amazon Web Services (AWS) but operates independently under an open governance model.
1 project
15,101 contributors
$529M
Featured projects
AsyncAPI
AsyncAPI seeks to improve the current state of Event-Driven Architectures (EDAs) and the tooling system around them.
1 project
5,094 contributors
$32M
Featured projects
Zephyr Project
Zephyr Project
1 project
15,721 contributors
$131M
Featured projects
RISE Project
(RISC-V Software Ecosystem) Aims to enhance the software ecosystem for RISC-V processors across various applications.
1 project
127 contributors
Featured projects
Working Group for RUST Bindings
Working Group for RUST Bindings
1 project
62 contributors
$36M
Featured projects
Youki
Youki is a project under the Linux Foundation that provides a container runtime written in Rust. It’s designed to be fast, secure, and lightweight, serving as an alternative to runc (the default OCI runtime used by Docker and containerd). Youki implements the Open Container Initiative (OCI) runtime spec, focusing on safety and modern code practices using Rust.
1 project
403 contributors
$1.6M
Featured projects
OpenHPC Project
Provides a collection of open-source software components and tools for High Performance Computing (HPC) environments.
1 project
5 contributors
Featured projects
Core Embedded Linux Project (CELP)
The Core Embedded Linux Project (CELP) is a Linux Foundation initiative that provides a vendor-neutral forum for advancing embedded Linux technologies across various industries, including consumer electronics, industrial systems, and IoT. It supports long-term kernel maintenance, open-source tooling, and collaborative projects like the Civil Infrastructure Platform and the Fuego test framework.
1 project
80 contributors
Featured projects
Valkey
Valkey
1 project
1,951 contributors
Featured projects
Overture Maps Foundation Fund
Collaborates on open map data to create interoperable and high-quality mapping solutions.
1 project
1,117 contributors
$2.5M
Featured projects
Coalition for Content Provenance and Authenticity
The Coalition for Content Provenance and Authenticity (C2PA) is a Linux Foundation project that develops open technical standards to certify the origin and history of digital media, aiming to combat misinformation and enhance trust in online content.
1 project
110 contributors
$23M
Featured projects
Camara Fund
The CAMARA Fund under the Linux Foundation supports the CAMARA project, which develops open, standardized telco APIs to enable cross-network application interoperability.
1 project
582 contributors
$7M
Featured projects
openIDL
(Open Insurance Data Link) Aims to improve data sharing and analytics in the insurance industry through open-source solutions.
1 project
34 contributors
Featured projects
TARS Foundation
Supports microservices development, focusing on the TARS framework for building distributed applications.
1 project
2 contributors
Featured projects
OpenWallet Foundation
Develops open-source software for secure and interoperable digital wallets, supporting payments and identity verification.
1 project
1,378 contributors
$25M
Featured projects
Yocto Project
Yocto Project
1 project
4,353 contributors
$15M
Featured projects
eBPF Foundation
Promotes the extended Berkeley Packet Filter (eBPF) technology, enabling safe and efficient kernel-level programmability.
1 project
1,167 contributors
Featured projects
Core Infrastructure Initiative (CII)
The Core Infrastructure Initiative (CII) was a Linux Foundation project launched in 2014 to fund and support critical open-source software projects essential to internet infrastructure, such as OpenSSL and OpenSSH.
1 project
187 contributors
Featured projects
OpenAPI Initiative
Promotes the OpenAPI Specification for defining standard, language-agnostic interfaces to RESTful APIs.
1 project
4,315 contributors
$27M
Featured projects
Helm Chart Repositories
Platforms for storing and managing Kubernetes application packages
19 projects
86,212 contributors
$150M
Computational Geometry Libraries
C++ libraries that implement advanced computational geometry algorithms for mesh processing, polygon operations, triangulation, and other geometric computations.
9 projects
0 contributors
Neural Data Processing Tools
Software tools for processing, analyzing, and sorting neural activity data for neuroscience research, including spike sorting pipelines.
8 projects
0 contributors
Data Labeling & Annotation Tools
Solutions for efficiently labeling and annotating data for machine learning tasks
6 projects
176 contributors
$8.3M
Product Information Management Systems
Software for organizing, enriching, and distributing product data across sales channels.
2 projects
0 contributors
Project Websites
Official websites and web content repositories for open-source projects, providing user-facing documentation, downloads, and project information in HTML/web format.
2 projects
0 contributors
Go Error Handling Libraries
Libraries that provide advanced error wrapping, multi-error aggregation, and stack trace functionality for Go applications.
2 projects
0 contributors
Cross-Platform File Path Utilities
Libraries that provide standardized access to platform-specific file paths and directories across different operating systems, helping developers locate user data, configuration, and cache directories in a consistent way.
1 project
0 contributors
Password Security Tools
Libraries and tools for checking password strength, detecting common passwords, and enforcing password policies to enhance authentication security.
1 project
0 contributors
Creative Coding Frameworks for JVM
Frameworks and libraries for creative coding, generative art, and interactive visualizations that run on the Java Virtual Machine, primarily using Kotlin or Java. These tools provide graphics rendering capabilities, shader support, and interactive media development features.
1 project
0 contributors
C++ Benchmarking Libraries
Libraries for writing and running microbenchmarks to measure performance in C++ applications.
1 project
0 contributors
JDBC Connectors
Official and third-party JDBC drivers that enable Java applications to connect to and interact with various database systems through the standard JDBC API.
1 project
0 contributors
SQL Server Clients
Libraries and tools for connecting to and interacting with Microsoft SQL Server databases from various programming languages and platforms.
1 project
0 contributors
Infrastructure as Code for CI/CD
Tools for defining and managing CI/CD infrastructure using code.
0 projects
0 contributors
Operational Risk Management Tools
Software for identifying and mitigating operational risks
0 projects
0 contributors