Open Source Mac BBS Software

Horizon/2's goal is to be a full-featured BBS, reminiscent of dial-up Bulletin Board Systems in the early-to-mid 90's. Features planned for the first alpha/unstable release are local email, public threads/conferences, and irc-like chat.

IceBB is a powerful, fast, free, and open-source forum system built from the ground up utilizing PHP, MySQL, and various other technologies.

Navboard is a php based web forum using text files to store data instead of using a database, compatible with any server running php 4.0 or higher, all the features of most major forum software and no installation needed.

Written in PHP and powered by MySQL, OvBB is a light-weight and fast discussion board system that mimics vBulletin 2 in both look and behavior while incorporating new features and functionality.

Sukiyaki is a BBS imageboard written in Python with a focus on better visual presentation, simpler URLs, relevant features, and better security. One of the first differences users will notice in Sukiyaki, compared to other imageboard software, is that replies are indented below the post they reply to. Sukiyaki is released under the MIT license.

A bulletin board system written in PHP and based on the Symfony Framework.

Walter is an in-browser wysiwyg HTML-editor, that runs on JavaScript.

weever is a forum software written in python with Twisted Matrix and Nevow. It aims to be standard compliant and easy to use and manage.

dotBoard is a server software using PHP / MySQL that allows you to create social forums. Social forums are community driven. Every member can moderate the posts or edit settings if other members think that it is ok.