WordPress.org is the home of the open source WordPress content management system, offering software downloads, plugins, themes, documentation and community support for building websites.
The OpenJS Foundation is a Linux Foundation project that hosts key JavaScript projects including Node.js, jQuery, Electron and webpack, providing neutral governance and community support.
The Wikimedia Foundation is the non-profit that hosts Wikipedia and its sister projects, supporting free knowledge through technical infrastructure, grants and community support.
The Mozilla Foundation is a non-profit that supports an open, healthy internet, funding research, advocacy and the Mozilla community, alongside the Firefox software.