There are many alternatives to phpBB as a self-hosted solution if you are looking for a replacement. The best open source Self-Hosted alternative is Discourse. It's not free, so if you're looking for a free alternative, you could try Discourse or Flarum. If that doesn't suit you, our users have ranked more than 50 alternatives to phpBB and many of them are open source and available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting open source Self-Hosted alternatives to phpBB are Simple Machines Forum, Vanilla Forum, NodeBB and FUDforum.
Discourse is an open source discussion platform built for the next decade of the Internet. A modern forum, everything's been redesigned to be easy.
Flarum is free, open-source forum software with a focus on simplicity. You can use Flarum to easily set up a discussion forum for your website. Flarum is developed openly on GitHub.
MyBB is the free and open source, intuitive, extensible, and incredibly powerful forum software you've been looking for.
Simple Machines Forum — SMF in short — is a free, professional grade software package that allows you to set up your own online community within minutes.
Vanilla provides a standards-compliant, multi-lingual, theme-able and pluggablecommunity forum software that powers discussion forums on 800,000 sites.
A community forum allows you to engage and retain customers, keeping them interested and up-to-date with your latest product or service.
FUDforum (Fast Uncompromising Discussion Forum) is a free and open source web discussion forum. FUDforum combines an extensive feature set while maintaining the ability to generate forum web pages extremely fast.
miniBB is a standalone, open source program for building your own Internet forum. If you want a lite, simple and stable message board attached to your existing website at the very high integration level, which may include the full customization of the layout to the look of your...
ElkArte is a modern, powerful community building forum software. It is completely free to use and is licensed with an open source BSD-3 clause license.
Phorum is open source forum software with a penchant for speed. Phorum's very flexible hook and module system can satisfy every web master's needs.
Feature-rich and lightning fast forums. Works standalone or as a Rails engine. Markdown by default, with plugins for code highlighting, KaTeX math, and BBCode. No JavaScript required. Easy deployment on Heroku or with Ansible.
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More of a comment system than categorized forum.