Forums & Discussion Boards
7 self-hosted open source alternatives in this category
7 services found
Discourse
Modern, searchable discussion forums for communities
46k
8.8k
Last commit: 2d ago
Open source forum software with real-time discussions, powerful moderation, SSO, and integrations—built for long-lived, searchable community knowledge.
Alternative to:
Zendesk+5
Flarum
Modern, lightweight forum software for building communities
16.1k
1.7k
Last commit: 18d ago
Self-hosted, extensible forum platform with a modern UI, rich text editor, notifications, and a robust extension system.
Alternative to:
Discord+4
NodeBB
Modern forum software built for real-time discussions
14.9k
2.9k
Last commit: 3d ago
Real-time Node.js forum platform with plugins, themes, SSO, moderation tools, and integrations for building scalable community discussion boards.
Alternative to:Discord+5
Lemmy
A federated link aggregator and discussion platform
14.2k
935
Last commit: 2d ago
Self-hosted, ActivityPub-based forum platform for communities, link posts, and threaded discussions with federation across the Fediverse.
Alternative to:
Reddit+4
Misskey
Federated microblogging platform with rich social features
10.9k
1.5k
Last commit: 2d ago
Self-hosted ActivityPub social network server with customizable UI, reactions, drive storage, powerful moderation, and federation with Mastodon and other Fediverse apps.
Alternative to:
X (formerly Twitter)+4
HumHub
Modular social network and intranet platform for teams
6.6k
1.7k
Last commit: 29d ago
Self-hosted social networking and intranet software with spaces, activity streams, user profiles, and a module marketplace for collaboration.
Alternative to:
Microsoft Teams+6
Friendica
A decentralized social network that connects to the Fediverse
1.6k
367
Last commit: 2d ago
Self-hostable federated social network for long-form posts, groups, forums, and cross-network connectivity via ActivityPub and other protocols.
Alternative to:X (formerly Twitter)+6