Free
| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| Aquallegro v5.1 | Suite of music theory teaching software. | Mac | Freeware | 2010-01-08 | 6 | 65db |
| Aqualung v0.9 beta 11 | Music player for GNU/Linux. | Linux | Freeware | 2010-02-03 | 0 | 45db |
| Aqueous v1.0.2 | A light weight simple to use MP3 player | Mac | Freeware | 2000-06-02 | 1 | 50db |
| AquesTone v0.7.5.2 | Vocal synthesizer. [VST] | Windows | Freeware | 2008-10-07 | 0 | 50db |
| Arachnid v1.0 | 8-channel stereo drum sampler. [VST] | Windows | Freeware | 2008-10-07 | 0 | 50db |
| ArBPM 102 | Beats per Minute counter. | Windows | Free | 1999-12-02 | 43 | 45db |
| Arcade2 v2.1 | Randomized sample folder animator for inspirational purposes. [VST] | Windows | Freeware | 2008-05-05 | 3 | 40db |
| AREX 2011 1.5 | A drum module based on a hardware drum machine from the early 80's [VSTi] | Windows | Freeware | 2013-04-23 | 3 | 60db |
| ARGO v1 | 100 real-time sound synthesis modules. | Windows | Freeware | 2008-04-20 | 0 | 60db |
| Argotlunar 2.0.5 | Real-time granulator effect. [VST] | Windows | Free | 2012-06-17 | 0 | 40db |
| Argotlunar 2.0.5 | Argotlunar is a real-time granulator effect. [VST] | Mac | Free | 2012-06-16 | 0 | 45db |
| Argotlunar v2.0.5 | Real-time granulator effect. [VST] | Linux | Free | 2012-08-20 | 0 | 45db |
| Aria Maestosa 1.4.8 | Aria Maestosa is open-source (GPL) MIDI tracker and editor. | Linux | Free | 2013-07-08 | 0 | 50db |
| Aria Maestosa v1.4.8 | MIDI tracker/editor. | Mac | Free | 2013-07-08 | 0 | 60db |
| Aria Maestosa v1.4.8 | Aria Maestosa is a full featured MIDI tracker and editor. | Windows | Free | 2013-07-08 | 1 | 55db |
| Arkaos VISUALIZER v1.5.4 | Visual plug-in for major MP3 players. | Mac | Freeware | 2003-05-07 | 3 | 60db |
| Arkaos VISUALIZER v1.6 | Visual plug-in for major MP3 players. | Windows | Freeware | 2003-05-07 | 3 | 60db |
| Armadillo MP3 | Organizer and jukebox to search classified and play MP3 files | Windows | Freeware | 2000-10-10 | 0 | 40db |
| Armchair Guitarist v1.5 | Allows a standard guitar controller for the XBox 360, PC or Playstation 3 to be used as a MIDI input. [VST] | Windows | Freeware | 2010-07-07 | 0 | 50db |
| arp4midi v1.1 | MIDI arpeggiator. [VST] | Windows | Freeware | 2005-05-05 | 0 | 60db |
| Arpecyza! v1.4 | 32-Step Dual Synth Arp - Loop Recorder. [VST] | Windows | Freeware | 2005-05-07 | 1 | 40db |
| Arpeggiation | Arpeggiation is a MIDI arpeggiator. | BeOS | Freeware | 1998-07-25 | 0 | 50db |
| ARPocalypse 1.01 | Eight step rhythmic pattern generator effect. [VST] | Windows | Free | 2004-07-06 | 1 | 40db |
| ArpWizard (Standalone beta) | Rack based midi sequencer | Windows | Freeware | 2003-08-29 | 2 | 55db |
| Arpy v1.0 | Virtual analogue synthesizer. [VST] | Windows | Freeware | 2007-06-03 | 0 | 45db |
| Arrakisynthesis 1.0 | Stereo polyphonic synthesizer. [VST] | Windows | Free | 2008-04-01 | 0 | 45db |
| Artemis v1.0 | Subtractive synthesizer. [VST] | Windows | Freeware | 2006-12-14 | 0 | 45db |
| Artisan CD/DVD Burner v3.3.32 | NO LONGER AVAILABLE | Windows | Free | 2007-04-20 | 2 | 45db |
| aRts v0.6.0 | Simulates a complete "modular analog synthesizer" | Linux | Freeware | 2001-09-02 | 3 | 50db |
| As Fast As Possible Audio DSP | The program adds sound effects in real-time | Windows | Freeware | 1999-03-17 | 35 | 60db |
