Ikonboard

A new, totally free bulletin board system that aims to provide you with all the features of commercial products. Very fast, very customizable.

e-blah

This forum system features passworded boards, click tracking, extensive thread moderation, a full admin center, clean posting format, themes, user message

phpBB

A high powered, fully scalable, and highly customizable Open Source bulletin board package. phpBB has a user-friendly interface, simple and straightforward administration panel, and helpful FAQ.

Anyboard

Includes features like file upload, chat, rating, poll, email notification, edit/delete by user, form mail, and more.

Teemz

An attractive forum that's easy to install, fast and robust. Customization available through a Skin Changer and HTML templates.

YaBB

"Yet another Bulletin Board" is an open source online forum that aims to compete with commercial systems. Includes UBBC code, full admin, topic and more.

Mercury Board

A bulletin board script written in object-oriented PHP4. Designed for optimum speed with a long list of features.

Unclassified NewsBoard

You’ll be surprised how easy things can be and how fast you can work with such a system! The Unclassified NewsBoard has a lot innovative features the world has never seen before in that way.

PBLang

PBLang is a powerful flatfile Bulletin Board System. It combines many features of a professional board, but does not even require SQL support. It is completely based on text-file.

W-Agora

W-Agora is a web publishing and forum software. It allows you and your visitors to store and display messages, files, share discussions and other information on your web site.

versatile Bulletin Board

This forum system is highly customizable and offers a multi-lingual interface, user groups, personal mailboxes, subscriptions, polls, etc.

MyBulletinBoard

MyBB has been designed with the end users in mind, you and your subscribers. Full control over your discussion system is presented right at the tip of your fingers, from multiple styles and themes to the ultimate customization of your forums using the template system.

Graffiti Forum

An easy to install forum that lets people draw pictures to a "wall" instead of posting text messages. Select color, pencil or brush.

Gravity Board X

Gravity Board X (GBX) is a message board system for free use on personal sites. Gravity Board X uses PHP to process data, MySQL to store data, and HTML to display data in a way that is user-friendly. Gravity Board X is made to have a very user-friendly navigation system that will make it easy for anyone to make their way around the message board.

SEO-Board 1.0

SEO-Board is a forum software that's fast, free, and search engine friendly. It is the perfect solution for small and medium-sized sites.

Quick Forum

Quick.Forum is a very fast discussion board application based on txt files system (SQL not reqired). Administration system gives you possibility to manage categories of posts, censures words, ban users and of course full topics and post administration.

IntelliBB

IntelliBB is a fast, easy-to-use and custmisable BB system. IntelliBB utilises PHP to provide a resource-effective system that is both fast and stable.