Zimbra Desktop is the next-generation email and collaboration client.The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having them locally accessible when on the road. Zimbra Desktop aggregates information across accounts (Zimbra, Yahoo! Mail, Gmail, Hotmail, etc.) and social networks (Facebook, Digg, Twitter, etc.) to help make communicating & sharing information easier than ever.
Key features
Email, contacts, calendar, and documents all in one application
Syncs Zimbra, Yahoo! Mail and Gmail email, contacts and calendars
Read email from any POP or IMAP email account including AOL, Hotmail or business email
Works on Windows, Mac, or Linux desktop computers
No limit to the size of your email storage
It works online and offline
Available in 20 languages
Install Zimbra Desktop on Ubuntu
1.First you need to download Linux package from here www.zimbra.com/products/desktop.html
2. Extract the content of the package (*.tar.gz) on your Home, Desktopxn--right click > Extract here
3. Open a terminal and go where you extract zimbraxn--for example:
$ cd home//Desktop/zdesktop_2_0_1_b10659_linux_i686/
4. from that path run:
$ sudo ./install.pl
5. It will guide you to the Setup Zimbra Desktop > press (A) to accept terms and conditions
6. If you would, accept the default directori where it install
/opt/zimbra/zdesktop
7. Would you like to continue to install files for user: Root? > Here you may want to answer NOxn--otherwise you always have to log in Zimbra Desktop as superuser.
Read more: Ubuntu geek