MX Skype Recorder 

MX Skype Recorder is a new tool that works in conjunction with Skype for recording Skype audio conversations. It has the following advantages:

• can work in automatic mode (you don't need to press "record" or "stop") or manual mode
• automatic compressing in mp3 format (8-320 kbits) using Lame MP3 Encoder
• can save as wav PCM format
• can record conversations either in single or dual audio track (one channel for input, other for output)
• can work in spy mode (user who uses Skype won't guess that all conversations will be recorded)
• can work with PC-to-PC, PC-to-phone as well as skypecast conversations
• support all versions of Skype, Google talk, Yahoo Messenger and another VoIP applications
• free to try