Video2Webcam
video2webcam enables you to show videos as virtual webcam during video chat.
Chameleon Volume Pro
synchronize the work between media players and skype
AV Voice Changer Software
change your voice over ip and pc to phone in real time with "quick" nickvoices.
Messenger Assist
simple solution to make instant messaging via skype or msn much more comfortable
RSkype Recorder
rskype recorder is a reliable and practical skype call recorder.