TYPO3 is a free, feature rich, content management framework built with PHP, which is designed to be extended with custom written backend modules and frontend libraries for special functionality.

Features of TYPO3:
- Impartial to hosting systems
- 50+ Localizations available
- Easy templating
- Flexible designs
- Simple site structure
- Intuitive AJAX drag & drop
- Multilingual
- Integrated search
- Powerful extension framework
- Large extension repository
- Community and commercial support
- Graphic installer
- Protected admin panel
- Multi-site management
- Granular permissions control
- Extensive documentation
- True WYSIWYG editing
- Built-in image editing
- Frontend editing
- Automatic caching

What's New in This Version:
- Improving the File Abstraction Layer
- UI Improvements for the Extension Manager
- Use for PHP mysqli instead of "mysql" module
- Removed extension statictemplates
- Improved TCA load mechanism
- Install Tool: Environment Checks
- Install Tool: Environment ChecksExtbase: The rewritten property mapper is now the default mapper
- Fluid: Allow Fluid arrays only in ViewHelper arguments
- Extbase: Object persistence behaviour changed from implicit to explicit save