A link aggregator / reddit clone for the fediverse (alternative to Reddit).
Federated microblogging server.
Advanced forum / community solution based on Ruby and JS.
Bookmark-everything app with a touch of AI for the data hoarders out there.
Bookmark and archive manager to store your useful links.
Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again.
Knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and more.