girish last edited by
Zimbra - open source server and client software for messaging and collaboration
a great tool.
jdaviescoates last edited by
This looks really useful.
I note it's email client has one of the main missing features in most other open source webmail clients:
Drag and drop messages into folders or onto Tag(s)
Share tags across applications and mailboxes
Messages may have multiple Tags and act as ‘virtual folders’