| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| VA - Visual Analyser 2011 | Oscilloscope and Spectrum Analyser | Windows | Freeware | 2013-01-25 | 20 | 85db |
| Voxengo SPAN 2.10 | Real-time spectrum analyzer. [VST/AU] | Mac | Freeware | 2016-03-04 | 2 | 80db |
| Spectrum Analyzer v1.04 | Real-time spectrum analysis plugin. [VST] | Windows | Freeware | 2010-01-27 | 1 | 75db |
| Sonic Visualiser 2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Mac | Free | 2015-10-28 | 1 | 75db |
| Freq 5.1 | Spectrum analyzer | Linux | Freeware | 1997-10-23 | 4 | 75db |
| Voxengo SPAN v2.10 | Real-time spectrum analyzer. [VST] | Windows | Freeware | 2016-03-04 | 0 | 75db |
| SoundVision D51 | FREE Realtime Sound Analyzer | Mac | Freeware | 1997-08-18 | 9 | 70db |
| AudioXplorer v1.3.1 | Powerful sound analyzer software. | Mac | Free | 2006-09-24 | 3 | 70db |
| Spek v0.8.2 | Acoustic Spectrum Analyser/Spectrogram Viewer. | Windows | Free | 2013-03-27 | 0 | 70db |
| Sonic Visualiser v2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Windows | Free | 2015-10-28 | 4 | 70db |
| Blue Cat's FreqAnalyst 2.1 | Frequency spectrum analyzer. [VST/AU/ RTAS] | Mac | Freeware | 2014-01-20 | 0 | 70db |
| Audio LAB | Osciloscope, spectrum analyzer and audio generator | Win 3.1 | Freeware | 2000-07-09 | 91 | 65db |
| FFT Analyzer 1.b02 | View audio signals in a frequency display | Mac | Freeware | 2001-12-01 | 0 | 65db |
| WaveTools | Draws spectrograms from WAV files | Windows | Freeware | 2001-09-08 | 5 | 65db |
| Sonic Visualiser v2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Linux | Free | 2015-10-28 | 0 | 65db |
| Baudline v1.03 | A real-time signal analysis tool and an offline time-frequency browser. | Linux | Freeware | 2006-08-03 | 0 | 65db |
| Sound Frequency Analyzer | Frequency Analyzer | Windows | Freeware | 2001-07-01 | 6 | 65db |
| Spek 0.8.2 | Acoustic Spectrum Analyser/Spectrogram Viewer | Linux | Free | 2013-03-27 | 0 | 65db |
| bs-spectrum v1.3 | Spectrum analyzer. [VST/AU] | Mac | Freeware | 2008-07-18 | 0 | 65db |
| bs-spectrum v1.3 | Spectrum analyzer. [VST] | Windows | Freeware | 2008-07-18 | 2 | 60db |
| Spek v0.8.3 | Acoustic Spectrum Analyser/Spectrogram Viewer. | Mac | Free | 2013-03-27 | 0 | 60db |
| SPEAR v0.7.3 | Audio analysis, editing and synthesis software. | Windows | Freeware | 2009-07-14 | 0 | 60db |
| Frequency Analyzer | Freeware FFT analysis program | Windows | Freeware | 2001-06-20 | 3 | 60db |
| MultiInspectorFree v1.2.0 | Multi track recording software. 31 band spectral analyzer. [VST] | Windows | Freeware | 2009-03-06 | 1 | 60db |
| SPEAR v0.7.3 | Audio analysis, editing and synthesis software. | Mac | Freeware | 2009-07-14 | 0 | 60db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analse Program | Linux | Free | 2010-04-06 | 2 | 60db |
| Wtune v2.3.2.0 | Check the tuning of your voice/instrument, now with export to MIDI file. | Windows | Freeware | 2006-09-15 | 1 | 60db |
| MultiInspectorFree v1.2.0 | 31 band spectral analyzer. [VST/AU] | Mac | Freeware | 2009-03-06 | 6 | 60db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analyzer Program. | Windows | Free | 2010-04-06 | 1 | 60db |
| Slow MP3 | Slow MP3 is a musician's music player that can slow down, transpose and transcribe songs on the fly. | Linux | Freeware | 2010-09-27 | 2 | 60db |
Music Analysis Example
Friture is a real-time audio analyzer. It works on Windows, macOS and Linux. It is free and open source. Download Friture Windows, macOS, Linux, source. Download Music Analyzer for free. Generate the score of music automatically by analyzing the spectrum and rhythm, with the pitch, loudness, duration and timbre as output. This list of free software for audio lists notable free and open source software for use by sound engineers, audio producers, and those involved in sound recording and reproduction. Contents 1 Audio analysis. Audio Measurement and Analysis Software is a comprehensive audio analyzer software that runs on the Windows platform and comes with numerous features. Essentially, it is a collection of tools for measurement and analysis of audio in communication as well as acoustical systems. It can deploy a professional or even standard sound card.
