Best Open-Source Forums & Communities | open-source.storeAll categoriesForums & Communities
Modern discussion boards, bulletin boards, and federated networks.
6 tools found 
Discourse
Discourse is an open-source forum platform replacing XenForo and vBulletin with real-time topics, SSO integrations, and extensible plugins.
GPL-2.0Forums & Communities
NodeBB
NodeBB is an open-source, real-time forum platform built on Node.js and WebSockets, offering a high-performance alternative to Discourse Cloud.
15.2kLinuxmacOSWindowstoday GPL-3.0Forums & Communities
Lemmy
Lemmy is a self-hosted, federated alternative to Reddit Communities that connects independent discussion instances using ActivityPub and a Rust backend.
14.7kLinuxDockerWeb1d ago AGPL-3.0Forums & Communities
Flarum
Flarum is an open-source forum alternative to XenForo and Discourse, pairing an ultra-fast Mithril single-page UI with a lean PHP backend.
MITForums & Communities
phpBB
phpBB is an open-source alternative to XenForo, delivering hierarchical community forums with multi-database support and zero license fees.
2.1kLinuxmacOSWindows3d ago GPL-2.0Forums & Communities
MyBB
MyBB is an open-source forum software alternative to vBulletin and XenForo, providing hierarchical community boards with multi-database support.
1.2kLinuxmacOSWindows8d ago LGPL-3.0Forums & Communities
Go & gRPC engineer · founder of EasyP
Go, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.
GogRPCProtobufLLM agents
Web
1d ago
AGPL-3.0Forums & Communities
Windows
today
GPL-3.0Forums & Communities
Web
1d ago