1)   WebMail Spy 3.3
WebMail Spy allows you to secretly monitor and record all email sent and received, including all pop3/smtp email, all America Online email, and all web based email (including HotMail and Yahoo!Mail).

 2)   SpyPal Yahoo! Messenger Spy 2008 5.8
SpyPal Yahoo! Messenger Spy software can secretly Secretly record all Yahoo! Messenger's incoming and outgoing chat text messages. You can check all recorded messages by simply receiving emails or opening a web page.