Question2Answer
Forums & CommunityFree open-source Q&A platform in PHP
Replaces Stack Overflow, Quora
Best Plugins Forums & Community for self-hosting
The 15 best Plugins forums & community you can self-host, ranked by community traction.
esoTalk
Forums & CommunitySimple, fast forum software for online discussion
Replaces phpBB, Discourse
MyBB
Forums & CommunityFree and extensible community forum software
Replaces vBulletin, phpBB
SMF
Forums & CommunitySimple Machines Forum community bulletin board
Replaces vBulletin, phpBB
django-machina
Forums & CommunityForum engine for Django applications
Replaces phpBB
YAF.NET
Forums & CommunityOpen-source forum software for ASP.NET
Replaces phpBB, vBulletin
AnsPress
Forums & CommunityQuestion and answer community plugin for WordPress
Replaces Stack Overflow, Quora
ElkArte
Forums & CommunityModern, free community forum software
Replaces SMF, phpBB
Discourse Chat Integration
Forums & CommunityBridge Discourse notifications to chat platforms
Replaces Forum email digests
FUDforum
Forums & CommunityFast, scalable, customizable open-source forum
Replaces phpBB, vBulletin
Phorum
Forums & CommunityLightweight, mature PHP message board software
Replaces phpBB
bbPress
Forums & CommunityLightweight forum software that integrates with WordPress
Replaces phpBB, vBulletin
Flarum Tags Extension
Forums & CommunityOfficial tagging extension for Flarum forums
Replaces vBulletin categories
Discuz! X
Forums & CommunityWidely used Chinese-origin community forum system
Replaces phpBB, vBulletin
phpBB mChat
Forums & CommunityShoutbox extension for phpBB forums
Replaces vBulletin chatbox
No apps match these filters.
Every option here is open-source and self-hostable, tagged Plugins within the forums & community category. Compare them on the individual app pages for setup difficulty and resource requirements.