RoundCube Webmail 0.1 RC1

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface.
RoundCube Webmail provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation and message filters. RoundCube Webmail is written in PHP and requires the MySQL database. The user interface is fully skinnable using XHTML and CSS 2.
Main features:
- Multilingual capabilities
- Full support for MIME and HTML messages
- Compose messages with attachments
- Multiple sender identities
- Basic address book
- Find-as-you-type address book integration
- Create or remove custom message folders
- Built-in caching for fast mailbox access
- Support for external SMTP server
- Advanced user interface
- Unlimited users and messages
- Complete customization with skins
Enhancements:
- This release has a stable core and a new message parser (less memory consuming).
- It works with PHP safe_mode and creates valid HTML.
- It has new LDAP integration and allows you to search for contacts.