Apache Software Foundation

The ASF provides support for Apache communities, which provide software products for the public good.

# Projects: 180 Including: Hadoop, OpenOffice, Lucene, Maven

Apereo Foundation

Apereo helps educational organizations collaborate to foster, develop, and sustain open technologies and innovation to support learning, teaching, and resear...

# Projects: 19 Including: Sakai, OAE, CAS, uPortal

Software Freedom Conservancy

Conservancy helps promote, improve, develop, and defend Free, Libre, and Open Source Software (FLOSS) projects.

# Projects: 44 Including: BusyBox, Git, Outreachy

Eclipse Foundation

The Eclipse Foundation is an amazing open source community of Tools, Projects and Collaborative Working Groups.

# Projects: 283 Including: The Eclipse Project, Eclipse Modeling Framework, BIRT, Jetty

The Linux Foundation

The organization of choice for building sustainable open source ecosystems.

# Projects: 74+ Including: Automotive Grade Linux, Cloud Foundry, Cloud Native Computing Foundation, Core Infrastructure Initiative, Hyperledger, Let's Encrypt, Node.js Foundation, ONAP, SPDX, Xen Project, Yocto Project

OW2

The open source community for infrastructure software.

# Projects: 61 Including: ASM, BonitaSoft, FusionDirectory, GLPI, Knowage, LemonLDAP Proactive, RocketChat, Sat4J, XWiki

OWASP

OWASP is a charitable organization focused on improving the security of software.

# Projects: 13 Including: OWASP Top 10, CSRFGuard, Zed Attack Proxy

Software In The Public Interest

SPI helps open source projects develop and distribute open hardware and software.

# Projects: 45 Including: Debian, Jenkins, PostgreSQL