Skype Call Recorder is an open source tool that allows you to record your
Skype calls on Unix-like operating systems.  Current features include:

  - Record calls to MP3, Ogg Vorbis, or WAV files
  - Automatic and manual recording
  - Configure automatic recording on per-caller basis
  - Split stereo recording
  - Completely free (free as in free beer)
  - Completely free (free as in freedom), released under the GNU GPLv2

WWW: http://atdot.ch/scr/