FluxBB : FluxBB is a free open source forum application designed to be fast, light and user friendly.
FluxBB

FluxBB Screenshot
Overview
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.

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Features

  • Supports PHP4 and PHP5
  • Supports MySQL, PostgreSQL and SQLite
  • Produces valid XHTML 1.0 Strict pages
  • Easily translated into any language
  • Support for UTF-8 (v1.4)
  • Free for domestic and commercial use
  • Distributed under GNU General Public Licence