FluxBB is a free PHP forum project which was designed as a lighter, faster alternative to some of the traditional feature heavy forum applications. It is easy to use and has a proven track record of stability and security making it an ideal choice of forum for your website.

The aim of FluxBB is to produce high quality open source forum software which continues to live up to the standards set by Rickard Andersson, the developer of PunBB whilst taking full account of changing trends and technologies.

Features of FluxBB:
- XHTML compliant
- Password hashing
- GZip output
- MySQL(i)
- PostgreSQL
- SQLite
- External SMTP support
- Language packs
- User selectable language
- CSS styles
- User selectable style
- Admin panel plugins
- Topic subscription
- Announcements
- Post preview
- Move topics
- Close topics
- Sticky topics
- Prune old topics
- Edit posts
- Delete posts
- BBCode
- Smilies
- Quoting
- Word censoring
- RSS feed support
- New topic feed
- Forum specific feed
- Much more...

Requirements:
- PHP 4.1.0 or later
- MySQL 3.23.17 or Higher
- PostgreSQL 7.0 or Higher
- SQLite 2 (not 3)

What's new in this version:
- Links can now be disallowed on a per-group basis.
- Users can now be promoted to a new user group once they have reached a certain number of posts.