Revoice Pro - Revoice Pro is an audio plugin used for vocal tuning, time correction and ADR.
MP3 Skype Recorder - MP3 Skype Recorder Download latest version 4.
GSnap - With GSnap you can get an auto-tune effect.
Call Recorder - Record Mac Skype Calls - Automatically record and save call audio and video on your Mac.
Celemony Melodyne - Celemony Melodyne is the perfect quick and easy tool for all your tuning needs.
Parental Skype Recorder - Parental Skype Recorder is a unique and invaluable tool for secretly monitoring Skype conversations.