Mystique is a free and popular WordPress theme that’s being maintained since 2009 :)

The theme is available as a CSS template and two WordPress theme versions: a basic/light version, and a Atom-powered theme.

Features include:

  • 6 layout types (each one can be context dependent)
  • fluid or fixed page width
  • 5 color variations
  • bbPress 2.0 support

A demo is available here

Are you having problems upgrading from version 2.x? Read this page first!