Misskey

Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon.

Official site ↗ Source code

Stars: 11,212
License: AGPL-3.0
Platform: Nodejs, Docker
Version: 2026.6.0

Communication - Social Networks and Forums

Preview of the official site ↗

Similar alternatives

Mastodon

★ 50,053

Mastodon is a decentralized social network (the fediverse) where each server is independent and interconnected. By hosting your own instance, you set the community rules and no algorithm controls your feed.

Communication - Social Networks and Forums AGPL-3.0

Discourse

★ 47,306

Discourse is the modern forum and community platform, with topics, moderation and gamification. Self-hosted, it's the way to have your own discussion space without depending on social-media groups.

Communication - Social Networks and Forums GPL-2.0

Flarum

★ 16,325

Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again.

Communication - Social Networks and Forums MIT

Answer

★ 15,562

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.

Communication - Social Networks and Forums Apache-2.0

NodeBB

★ 15,143

Forum software built for the modern web.

Communication - Social Networks and Forums GPL-3.0

Lemmy

★ 14,453

Link aggregator for the fediverse (alternative to Reddit).

Communication - Social Networks and Forums AGPL-3.0