FluxBB - Free Forum Application

FluxBB is a free open source forum application designed to be fast, light and user friendly. FluxBB's code, written in PHP, has a proven track record of stability and security. FluxBB is being actively developed and the next version 1.4 is at the beta stage.
FluxBB is a fork of PunBB which supports both PHP4 & PHP5 with MySQL, PostgreSQL or SQLite.
It generates "XHTML 1.0 Strict" valid pages & can be easily translated into any language.

Download FluxBB v1.2.21
http://fluxbb.org/