ExpressionEngine is a flexible, feature-rich content management system that empowers thousands of individuals, organizations, and companies around the world to easily manage their website. If you’re tired of the limitations of your current CMS then take ExpressionEngine for a spin.

Unlike most other publishing systems, ExpressionEngine doesn’t force you to work a certain way. It adapts to your creative process. Examine our portfolio of featured sites and you’ll find that each one uniquely fulfills the creative and artistic vision of its designer. No cookie-cutter sites here.

ExpressionEngine is modular by design, enabling you to easily add new features and capability with add-on modules, plugins, and extensions. Included by default are 17 add-on modules, access to over 100 plugins, and dozens of extension hooks.

Pricing: Core (Free), Personal ($99.95), Commercial ($249.95)
Source: http://expressionengine.com/