| Ardour | digital audio workstation | http://www.ardour.org/ |
| Audacity | the free, cross-platform sound editor | http://audacity.sourceforge.net/ |
| Ecasound | packages for multi-track audio processing | http://www.eca.cx/ecasound/ |
| Traverso DAW | Multitrack audio recoding & editing | http://traverso-daw.org/ |
| Qtractor | MIDI and audio sequencer | http://qtractor.sourceforge.net/ |
| Rosegarden | MIDI and audio sequencer, score editor | http://www.rosegardenmusic.com/ |
| Jokosher | multi-track studio | http://www.jokosher.org/ |
| Sweep | audio editor | http://www.metadecks.org/software/sweep/ |
| Muse | MIDI and audio sequencer | http://www.muse-sequencer.org/ |
| LMMS | Linux MultiMedia Studio | http://lmms.sourceforge.net/ |
| JACK | Real-time low latency audio server | http://jackaudio.org/ |
| PulseAudio | Lightweight audio server | http://pulseaudio.org/ |
| MACAW | Music synthesizer, sequencer, waves | http://code.google.com/p/macaw/ |
| Qsynth | software synthesizer | http://qsynth.sourceforge.net/ |
| FluidSynth | Real-time software synthesizer | http://sourceforge.net/apps/trac/fluidsynth/ |
| Timidity | software synthesizer | http://timidity.sourceforge.net/ |
| Sound Font | Creative Common Fluid R3 v3.1 SGM v2.01 |
http://www.freesound.org/ http://www.hammersound.net/ http://soundfonts.homemusician.net/ |
| LADSPA | Linux Audio Developer's Simple Plugin API | http://www.ladspa.org/ |
| Palm Sounds | iPhone sequencer and synths | http://the-palm-sound.blogspot.com/ |
| Nano Studio | iPhone sequencer and synths | http://www.blipinteractive.co.uk/ |
