1)   Columba 0
Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.

 2)   Mahogany mail and news client 66
A GUI email and news client using the wxWindows cross-platform framework and featuring IMAP, POP3, SMTP, and NNTP support, SSL, a powerful address database, Python scripting, filtering, and a PalmOS synchronisation module.

 3)   Headline Viewer 0.9.5
Headline Viewer displays syndicated news headlines from over 3100 sources in a clean and organized fashion. Use Headline Viewer as a browser accessory, and scan headlines at lightning speed.