Forums & Discussion Boards
7 self-hosted open source alternatives in this category
7 self-hosted open source alternatives in this category
7 services found

Modern, searchable discussion forums for communities
Open source forum software with real-time discussions, powerful moderation, SSO, and integrations—built for long-lived, searchable community knowledge.

Modern, lightweight forum software for building communities
Self-hosted, extensible forum platform with a modern UI, rich text editor, notifications, and a robust extension system.

Modern forum software built for real-time discussions
Real-time Node.js forum platform with plugins, themes, SSO, moderation tools, and integrations for building scalable community discussion boards.

A federated link aggregator and discussion platform
Self-hosted, ActivityPub-based forum platform for communities, link posts, and threaded discussions with federation across the Fediverse.


Federated microblogging platform with rich social features
Self-hosted ActivityPub social network server with customizable UI, reactions, drive storage, powerful moderation, and federation with Mastodon and other Fediverse apps.


Modular social network and intranet platform for teams
Self-hosted social networking and intranet software with spaces, activity streams, user profiles, and a module marketplace for collaboration.

A decentralized social network that connects to the Fediverse
Self-hostable federated social network for long-form posts, groups, forums, and cross-network connectivity via ActivityPub and other protocols.
