Lemmy is a federated, self-hostable link aggregator and forum platform for creating Reddit-like communities with voting, comments, moderation tools, and ActivityPub federation.

14.6k stars968 forksAGPL-3.0last commit Actively maintained
Hacker News is a community-driven news aggregator and discussion platform operated by Y Combinator where users submit links and posts, vote, and comment on topics related to startups, programming, and technology.
Lemmy is a federated, self-hostable link aggregator and forum platform for creating Reddit-like communities with voting, comments, moderation tools, and ActivityPub federation.

14.6k stars968 forksAGPL-3.0last commit Actively maintained
Mbin is a federated content aggregator offering voting, discussion and microblogging via ActivityPub. A community-focused fork of kbin, built with PHP and Symfony.

426 stars33 forksAGPL-3.0last commit Actively maintained
Open source ActivityPub-powered federated forum and link aggregator for running and joining community discussions across the Fediverse.

Activity unknown
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 3 shipped a commit in the last six months. Licences in this list: AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Federated Social Networks.