Kohana : Kohana is an elegant HMVC PHP5 framework that provides a rich set of components for building web applications.
Kohana

Overview
Kohana is an elegant HMVC PHP5 framework that provides a rich set of components for building web applications. It requires very little configuration, fully supports UTF-8 and i18n, and provides many of the tools that a developer needs within a highly flexible system. The integrated class auto-loading, cascading filesystem, highly consistent API, and easy integration with vendor libraries make it viable for any project, large or small.

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Features

  • Highly secure
  • Extremely lightweight
  • Short learning curve
  • Uses the MVC pattern
  • 100% UTF-8 compatible
  • Loosely coupled architecture
  • Extremely easy to extend