Discourse

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. Self-hosted...

• Discourse isn't a CMS at all and isn't working like Invision Power Suite (who also have pages, groups, blogs, hubs, etc...). Discourse is more like a comment platform than a board organized by forums/categories/topics like IPS. Guest • Aug 2018 • 2 agrees and 1 disagrees Disagree   Agree
• Discourse is essentially a platform for commenting, has nothing to do with this. Guest • Nov 2018 • 1 agrees and 0 disagrees Disagree   Agree

Freemium $ $ $ Open Source Web Self-Hosted Ruby JavaScript Docker

Flarum

Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.

Free Open Source Self-Hosted PHP

phpBB

Since its creation in 2000, phpBB™ has become the most widely used Open Source forum solution. Like its predecessors, phpBB™ 3.2 “Rhea” has an easy to use administration...

Free Open Source Mac Windows Linux PHP

MyBB

MyBB is the free and open source, intuitive, extensible, and incredibly powerful forum software you've been looking for. With everything from forums to threads...

Free Open Source Mac Windows Linux Web

Simple Machines Forum

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. Its powerful...

Free Open Source Mac Windows Linux Self-Hosted

NodeBB

NodeBB is an open source forum software that's free and easy to use. A community forum allows you to engage and retain customers, keeping them interested and...

Free Open Source Web Self-Hosted MongoDB Redis Cloudron

vBulletin

vBulletin (abbreviated as vB) is a commercial Internet forum software produced by Jelsoft Enterprises. It is written in PHP using a MySQL database server.

Commercial Mac Windows Linux Android iPhone ... PHP

bbPress

bbPress is forum software with a twist from the creators of WordPress. Its focused on web standards, ease of use, ease of integration, and speed. bbPress will try to...

Free Open Source Web

FluxBB

FluxBB is a fast, light, user-friendly forum application for your website. FluxBB was designed as a lighter, faster alternative to some of the traditional feature heavy...

Free Open Source Mac Windows Linux Web

XenForo

A compelling community experience. Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.

Commercial $ $ $ MySQL Community Edition Self-Hosted MariaDB PHP

Vanilla

Vanilla provides a standards-compliant, multi-lingual, theme-able and pluggablecommunity forum software that powers discussion forums on 800,000 sites. It's...

Freemium Web Self-Hosted

PunBB

PunBB is a fast and lightweight PHP-powered discussion board. It is released under the GNU General Public License.

• Discontinued Last release was 4 years ago. Last commit was 2 years ago.

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YaBB

YaBB is a free Perl forum (bulletin board) system that has rivaled professional message boards for years. YaBB provides chat for visitors where they can post any time...

Free Open Source Mac Windows Linux Web Self-Hosted ... Perl

miniBB

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...

Free Open Source Self-Hosted

IkoBB

IkoBB is a new open source bulletin board which aim it is to fullfill the wishes and dreams of it's community. New technologies like emojis, identicons and...

Free Open Source Self-Hosted PHP