Redaxscript

Redaxscript is a free, PHP and MySQL driven website engine for small business and private websites. It’s ultra lightweight, simple and customizable.

Key features
Builds contents lightning fast
Installation wizard for non-developers
XHTML 1.0 strict, CSS 2.1 and RSS 2.0 compliant
Search engine friendly environment
Unique cross-browser template support
Module system with hook points
Advanced user and group permissions
Bundled with the latest jQuery
Ultra lightweight WYSIWYG editor
Sub-categories
Multiple language and template support
Extensive setting options