Constructr is a fresh open source CMS application built with PHP & MySQL.
With an Ajaxed backend, this CMS application uses TinyMCE for content editing & supports clean URLs via mod_rewrite.
The admin interface has:
- Backend user & right management
- Asset center for uploads
- Integrated search engine for asset
- Automatic sync after FTP-uploads
- Automatic thumb´s for image-uploads
- Integrated shadowbox-viewer for assets
- Customizable backend language (Available: DE, EN, US, CH, AU)
- Live preview for hidden pages and content
For the frontend:
- Cache system
- File based templates
- Multilingual frontend support
- Use a frontent that fits your special needs (pure PHP and MySQL, Smarty, Flash …)
- Individual 404 error page
- Automatic RSS 2.0-Feed for every single content
Like mentioned, this free content management system is still fresh but frequently updated & looks promising.