YahooPOPs!

This looks cool:

YahooPOPs! is an open-source initiative to provide free POP3 access to your Yahoo! Mail account. YahooPOPs! is available on the Windows and Unix platforms.

This application emulates a POP3 server and enables popular email clients like Outlook, Netscape, Eudora, Mozilla, Calypso, etc., to download email from Yahoo! accounts.

  Score another point for SourceForge!