RoundCube Webmail is a browser-based multilingual IMAP client with an
application-like user interface. It 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.

WWW: http://www.roundcube.net/
