- [Abilian SBE](https://github.com/abilian/abilian-sbe) - Open Source Collaboration and Social Networking framework and platform. `LGPL-2.1``Python`
- [Abilian SBE](https://github.com/abilian/abilian-sbe) - Open Source Collaboration and Social Networking framework and platform. `LGPL-2.1``Python`
- [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework and Platform. ([Source Code](https://github.com/anahitasocial)) `GPL-3.0``PHP`
- [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework and Platform. ([Source Code](https://github.com/anahitasocial)) `GPL-3.0``PHP`
- [bbPress](https://bbpress.org/) - bbPress is forum software with a twist from the creators of WordPress.
- [Bootcamp](http://trybootcamp.vitorfs.com) - Enterprise social network. ([Source Code](https://github.com/vitorfs/bootcamp)) `MIT``Python`
- [Bootcamp](http://trybootcamp.vitorfs.com) - Enterprise social network. ([Source Code](https://github.com/vitorfs/bootcamp)) `MIT``Python`
- [Buddycloud](http://buddycloud.com/) - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. ([Source Code](https://github.com/buddycloud)) `Apache-2.0``Java`
- [Buddycloud](http://buddycloud.com/) - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. ([Source Code](https://github.com/buddycloud)) `Apache-2.0``Java`
- [BuddyPress](https://buddypress.org/about/) - Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. ([Source Code](https://buddypress.svn.wordpress.org/trunk/)) `GPL-2.0``PHP`
- [BuddyPress](https://buddypress.org/about/) - Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. [Enhances bbPress](https://codex.buddypress.org/getting-started/installing-group-and-sitewide-forums/). ([Source Code](https://buddypress.svn.wordpress.org/trunk/)) `GPL-2.0``PHP`
- [cartulary](https://github.com/daveajones/cartulary) - RSS reader, readability tool, article archiver, microblogger, social graph manager and reading list manager. `CDDL-1.0``PHP`
- [cartulary](https://github.com/daveajones/cartulary) - RSS reader, readability tool, article archiver, microblogger, social graph manager and reading list manager. `CDDL-1.0``PHP`
- [Discourse](http://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS. ([Demo](https://try.discourse.org/), [Source Code](https://github.com/discourse/discourse)) `GPL-2.0``Ruby`
- [Discourse](http://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS. ([Demo](https://try.discourse.org/), [Source Code](https://github.com/discourse/discourse)) `GPL-2.0``Ruby`