Lossless Audio Checker - A utility to check whether an audio file is truly lossless or not.

Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.

Spek - Spek helps to analyse your audio files by showing their spectrogram.

Tenacity - Tenacity is an easy-to-use, privacy-friendly, FLOSS, cross-platform multi-track audio editor/recorder for Windows, macOS, Linux and other operating systems.

REW - REW is free room acoustics analysis software for measuring and analysing room and loudspeaker...

AudioMass - A full-featured web based audio editor 🎶