rFXGen
A simple and easy-to-use fx sounds generator
LabChirp
Sound effect generator
Sound Show
Advanced soundboard for live performance
Twist
Node-based audio synthesizer
Opus Converter Tool for RPG Maker MV
A small FFMPEG wrapper tool that converts OGG Vorbis files to Opus
Fractal Music Generator
Application for audio / midi music from fractals.
SLURP
SLURP Quaternion FM Synth VST3/CLAP/AU Plugin
Atmosphere Sound Maker
Free to use for your game or movie
TableTopManager
Play music and sound effects in one app
Edgentia
A music beat extractor for audio files (mp3, …) made with Godot
Audio Satanifier 666
Fun and easy demonic effects for your audio files!
Audio Satanifier 666 Mini
Give Any Audio File = Get Demonic Satan!
Versatile Vectorscope
Plot Stereo Audio (x = Left Channel, y = Right Channel)