- [twister](http://twister.net.co/) - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols. ([Source Code](https://github.com/miguelfreitas/twister-core)) `MIT``C++`
- [qpixel](https://codidact.com/) - Q&A-based community knowledge-sharing software. ([Source Code](https://github.com/codidact/qpixel)) `AGPL-3.0``Ruby`
- [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software. ([Source Code](https://github.com/vanilla/vanilla)) `GPL-2.0``PHP`
- [yarn.social](https://yarn.social) - Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data. ([Source Code](https://git.mills.io/yarnsocial/yarn)) `MIT``Go`
- [Zusam](https://github.com/zusam/zusam) - Free and open-source way to self-host private forums for groups of friends or family. ([Demo](https://demo.zusam.org)) `AGPL-3.0``PHP`