audio sequencer
Command-line video compositing and audio mixing tools
A Sysex OSC hex string generator for the X32/X-Air/Wing digital mixers
Video mixer for mixing live and recorded video and audio feeds
SJmp3 - small java mp3 player, support formats: mp1, mp2, mp3, mpga.
Free open source DAW, MIDI sequencer, software synthesizers
A multifeatured virtual webcam software to broadcast over the Internet
Control for Novation Launchpad on linux
free cross-platform music creation software
VST Plugins and loop player mixer
A client/server mixer for Jack-Audio with OSC and LASH support.