Spicebird is an email and collaboration application built on top of various other open source software, mainly the Mozilla Platform and Thunderbird. The first stable version of Spicebird is now released and available for download.
It has all the new features of Thunderbird plus and includes indexed search, theming support, and more. It provides easy integrated access to various web services while users can retain all the advantages of a desktop application.
This feature-rich software has a dashboard that offers a customizable home screen with a mini-calendar, news feed applet, and multi-timezone clocks. An email folder preview along with an Agenda list imported from the calendar is also present.
The Email client support IMAP an POP, multiple email accounts & identities, tagging, conversation views, signing, and encryption.
The Chat client supports Gtalk, Yahoo, Jabber, MSN and ICQ along with an integrated buddy list
The Calendar includes a Local calendar, Events and Tasks, Alarms, different views and more. Remote calendar support is also available.
You can get Spicebird from spicebird.com.
More free email clients for Windows here.