PerfCMS - free content management system (CMS) written in PHP and open source.
PerfCMS v2 - based on the popular web-framework Yii (http://yiiframework.com) and using templater Twig (http://twig.sensiolabs.org), which are freely available to anyone.
PerfCMS has sufficient initial functionality to create a full site actually any need.
Standard Features PerfCMS v2 include:
+ System authorization / registration
+ Recover password account via e-mail
+ Powerful admin panel
+ Forum
+ Shoutbox
+ News
+ Dialogues (personal mail)
+ Avatars
+ BB-tags
+ Multilanguage interface
+ Theming (wap/web/touch) using templater Twig
+ High speed and performance
+ High flexibility in configuring
+ Easy Scalability possibilities Site
+ Modules
+ Widgets
+ User Roles
+ Blocking Users
+ Installations components via admin panel
+ Many other