Best Open Source Social Media Projects

Mastodon

Free, open-source decentralized social media platform

★ 50,371 Updated: Oct 2026 Status: Active

Lemmy

Federated social link aggregation network

★ 14,235 Updated: Jan 2026 Status: Slowing

Misskey

Federated microblogging platform you can host

★ 11,335 Updated: Oct 2026 Status: Active

HumHub

Open Source Enterprise Social Network.

★ 6,751 Updated: Oct 2026 Status: Active

LinkFree

Consolidate your online presence in one hub

★ 5,737 Updated: Jul 2024 Status: Inactive

Lobsters

Tech-focused link aggregation community

★ 4,551 Updated: Jan 2026 Status: Slowing

E

Elgg

Open-source social networking engine and framework

★ 1,679 Updated: Oct 2026 Status: Active

O

Open Source Social Network

PHP social networking software with a modular component system

★ 1,249 Updated: Oct 2026 Status: Active

P

pH7Builder

Self-hosted builder for dating and social community sites

★ 1,060 Updated: Sep 2026 Status: Active

U

UNA

Community management system for social sites, forums and marketplaces

★ 324 Updated: Oct 2026 Status: Active

D

Dolphin

BoonEx community software for social networks and web communities

★ 151 Updated: Mar 2024 Status: Inactive

O

Oxwall

Free software for creating custom social networks

★ 136 Updated: Jul 2024 Status: Inactive

P

Postiz

The open-source social media scheduling tool.

Status: Unknown

GoToSocial

Lightweight ActivityPub server

Status: Unknown