What are some alternatives?
When comparing SuperTintin and Reaper, you can also consider the following products
Call Recorder - Record Mac Skype Calls - Automatically record and save call audio and video on your Mac.
LMMS - Make music with a free, cross-platform tool
Callnote Audio Video Call Recorder - Callnote Video Call Recorder for Skype, Hangouts, Meet, Facetime, Facebook Messenger, Viber, GoToMeeting, Zoom Calls. Edit, Transcribe, Share Recordings.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Django Automatic Call Recorder - Django Automatic Call Recorder: A full featured Call Recorder for your device.
Ardour - Record, edit, and mix on Linux, Mac OS X, and Windows.