Claros inTouch 2.1

Claros inTouch is an Ajax communication suite with key features such as webmail, address book, post-it notes, calendar (in progress), webdisk (in progress), built-in instant messenger and rss reader. It is the first open source web application which features built in spam protection and instant messaging capabilities together with web 2.0 technologies.

Features:
Ajax Webmail
No page refreshes, fast and clean user interface, enhancing your e-mail experience.
Java
It is Java software and utilizes JSP/Servlets with the well known J2EE technologies.
Bayesian Spam Protection
Built-in spam protection. It can identify junk mail on the fly. No setup needed!
MIME Compatible
Fully MIME compatible whilst both sending and receiving e-mail.
RSS Reader
Read news from your favorite RSS feed from the same interface.
Multi-language
It supports many languages out of the box.
Instant Messenger
Chat with your friends from any network while you are composing an e-mail.
Platform Independent
It is platform independent and can run on any Operating System & Architecture
Multi-protocol
Supports both Pop3 and IMAP protocols. Supports both mbox and Maildir formats.
Contacts
A full featured address book is included.
Post-it Notes
Dont memorize things. Simply place a post-it note. It will stay where you left it.
Free Software
It is free software, as in term "free as a bird".