Best Open-source Social Networking Platforms tools

Owncast

Self‑hosted live streaming with built‑in chat

Mastodon

Self‑hosted, federated microblogging platform powered by ActivityPub

HumHub

Modular social platform for teams, intranets, and communities

Misskey

Free federated microblogging platform for decentralized social networking

Lemmy

Decentralized Reddit‑style link aggregator for the Fediverse

Elgg

Rapid PHP framework for building socially aware web applications

Friendica

Decentralized social network linking you across the Fediverse

Bluesky

Open-source React Native client for Bluesky decentralized social network

Pixelfed

Decentralized photo sharing platform without algorithmic timelines

OSSN

Build a multilingual social network with PHP-powered flexibility

Diaspora

Decentralized, privacy‑focused social network for independent communities

kbin

Decentralized Reddit‑style aggregator and micro‑blogging platform for the Fediverse

Bootcamp

Enterprise‑grade social platform with microblog, Q&A, and chat