Free
| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| As Fast As Possible Audio DSP | The program adds sound effects in real-time | Windows | Freeware | 1999-03-17 | 35 | 55db |
| Asaph v0.5.5 | Song mangement tool for Christian music groups and worship leaders. | Mac | Free | 2004-12-06 | 0 | 35db |
| Asaph v0.5.5 | Song mangement tool for Christian music groups and worship leaders. | Windows | Free | 2004-12-06 | 1 | 35db |
| AsfTools 3.1 | Editing/repairing tool for ASF, WMV and WMA files | Windows | Freeware | 2002-08-15 | 3 | 40db |
| Ashampoo Media Player+ v2.03 | Multimedia player to burn playlists to CD and much more. | Windows | Freeware | 2004-09-09 | 3 | 50db |
| asHost v1.2.4 | VST host. | Windows | Freeware | 2008-10-01 | 0 | 55db |
| ASIOSigGen v2.18 | ASIO test signal generator | Windows | Freeware | 2007-01-25 | 3 | 50db |
| Astralis Baby Bion v2.0 | Synth using the oscillator from the forthcoming Astralis Bion. [VST] | Windows | Freeware | 2010-06-24 | 0 | 35db |
| ASX to MP3 Converter v1.82.50 | Convert the music in ASX/ASF/WMV/WMA format to MP3 file! | Windows | Free | 2005-07-12 | 0 | 50db |
| Asynth 1.01 | A six voice virtual analog synthesizer. | Windows | Free | 2005-01-20 | 1 | 45db |
| ATAreSYN | Resynthesizer for the ATARI computer. | Atari | Freeware | 2005-04-01 | 0 | 50db |
| athenaCL v1.4.8 | Polyphonic, poly-paradigm algorithmic music composition in an interactive command-line environment. | Windows | Free | 2008-05-09 | 0 | 50db |
| athenaCL v1.4.9 | Polyphonic, poly-paradigm algorithmic music composition in an interactive command-line environment. | Mac | Free | 2009-08-17 | 4 | 50db |
| athenaCL v1.4.9 | Polyphonic, poly-paradigm algorithmic music composition in an interactive command-line environment. | Mac | Free | 2009-08-17 | 0 | 45db |
| athenaCL v1.4.9 | Polyphonic, poly-paradigm algorithmic music composition in an interactive command-line environment. | Linux | Free | 2009-08-17 | 0 | 45db |
| Atlantis v0.9p | Synthesizer and Filter Delay [VST] | Windows | Freeware | 2009-07-14 | 0 | 55db |
| Atmosphere Lite v5.5 | Bring the sounds of nature to your desktop. | Windows | Freeware | 2004-07-16 | 5 | 50db |
| Atomic Gold beta v0.53 | Synthesize anything from heavy basses to organs and lush synths to deep LFO effects. [VST] | Windows | Freeware | 2005-08-01 | 1 | 65db |
| Attrk v1.0.1 | MIDI software sequencer based on Billy Biggs' Tektracker with many additional features. | Linux | Free | 2009-08-04 | 0 | 40db |
| Audacity | Multi-track sound editor. | Windows | Free | 0 | 45db | |
| Audacity 2.0.2 | Cross-platform multi-track sound editor. | Linux | Free | 2012-09-04 | 0 | 80db |
| Audacity v1.0.0 | Free cross-platform multi-track sound editor. | Mac | Free | 2002-12-22 | 10 | 65db |
| Audacity v2.0.2 | Audacity is a Cross-platform, multi-track sound editor and DAW. | Windows | Free | 2012-09-04 | 40 | 95db |
| Audacity v2.0.2 | Audacity is a Cross-platform full featured multi-track sound editor. | Mac | Free | 2012-09-04 | 7 | 85db |
| Audalyzer 1.15 | Spectrum Analyzer and dB Meter | Android | Free | 2011-08-22 | 0 | 60db |
| Audio CD Labeller 1.0.2 | Labels audio CDs using info from Apple's CD Player | Mac | Freeware | 2000-04-01 | 1 | 40db |
| Audio CD Player | Windows 3.1 Audio CD Player | Win 3.1 | Freeware | 1992-10-24 | 4 | 50db |
| Audio Convert v0.3.1.1 | Script to convert between WAV, OGG, MP3, MPC, FLAC, APE or WMA files. | Linux | Free | 2005-11-11 | 1 | 50db |
| Audio Delay Finder Beta | Measures time delay between audio input signals | Mac | Freeware | 1998-05-01 | 0 | 35db |
| Audio Impurities v1.0 | Adds real noise-floor and good vinyl hiss. | Windows | Freeware | 2006-03-01 | 0 | 45db |
