MUUT

It's basically a closed source self hosted new and re-thinked forum solution, which can also work as commenting system.

Freemium Web

Flazy

A web application not bloated with superfluous features or complicated configuration settings. Flazy is a simple yet powerful tool — everything you need to use in a...

Free Self-Hosted

DuckDuckGo Community Platform

An open source forum software made by DuckDuckGo that is being used at https://duck.co/forum .

Free Open Source Linux Self-Hosted Perl

LayerBB

LayerBB is a small yet feature rich community software which enables you to quickly and easily start your own community. It offers great flexibility and easily...

Free Open Source Linux Web Self-Hosted

OCFHollaines

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

Free Open Source Web

GZ Forum Scripts

Gz Forum Scripts is an open source online forum software. It provides an easy way to manage posts, topic, replies, categories and more. GZ Forum Scripts is developed to...

Commercial Web

PHP Forum Script

PHP Forum Script by PHPJabbers is the perfect online forum software for all kinds of websites! It contains all must-have features of a modern, user-friendly forum...

Commercial Windows Linux

Kunena

Kunena is the ideal forum extension for Joomla. It's free, fully integrated, and no bridges or hacks are required. Want to know more about the Kunena Project? See...

Free Self-Hosted Joomla

FlaskBB

FlaskBB is forum software written in Python using the micro framework Flask. You can easily create new topics, posts and send other users private messages. It also...

Free Self-Hosted Python Flask

YaBB SE

yabb se is a php/mysql port of the popular forum software yabb (yet another bulletin board). incorporating the same intuitive user...

Free Open Source Mac OS X Windows Linux Web MySQL Community Edition