Open-source music library management system
Mixxx is Free DJ software that gives you everything you need
Audio Editor
The Ultimate Audio Recording Studio for Linux
ppgwavecass: tools for the PPG Wave 2/2.2/2.3 data cassette format
Java Audio Plugin System
tools for Wersi Datencassette, RS232 packets, and image file formats
drumucass: tools for the E-mu Drumulator data cassette format
linndrumcass: tools for the LinnDrum data cassette format
Featureful native Commodore 64 music tracker with MIDI/XM converter
vscartutils: tools for the cartridge data formats of the Prophet VS
Open Source Podcast Publishing Solution
System extension that allows applications to pass audio to other apps