MacLoggerDX 6.61 The Mac Ham Radio Logbook choice in 130 countries.
Audio Hijack 4.5.9 Record any application's audio, including VoIP calls from Skype, web streams from Safari, and much more. Save audio from hardware devices like microphones and mixers as well. You can even record all the audio heard on your Mac at once! If you can hear it, Audio Hijack can record it.
Loopback 2.4.10 Route audio between applications.
Amadeus Pro 2.8.14 Amadeus Pro is a powerful multitrack audio editor for macOS supporting a variety of formats including MP3, AAC, Ogg Vorbis, Apple Lossless, AIFF, Wave and many others.
LilyPond 2.26.0 
Jaikoz 12.6 Powerful MP4 and MP3 tag editor.
SoundSource 6.0.6 Switch your audio input sources easily.
Meta 2.3.9 Music tag editor which manage your digital music collection, with ease.
Swinsian 3.0.8 Music manager and player.
xACT 2.58 
Music Tag Editor 9.8 Easily edit music tags.
Farrago 2.1.5 Robust, rapid-fire soundboards.
Fission 2.9.4 With Fission, audio editing is no longer a chore. You can join files, crop and trim audio, and rapidly split up long files. Fission is streamlined for fast editing, and it works without the quality loss other audio editors cause.
Amazing Slow Downer 4.2.2 Slow down music without changing the pitch.
beaTunes 5.2.36 beaTunes is an advanced music application for Windows and OS X that lets you analyze, inspect, and play songs—and create compelling playlists.
