rFXGen
A simple and easy-to-use fx sounds generator
chirping-machine
chirping-machine is an application can create simple sound effects.
Universal Sound Manager - A Unity Asset
A audio composition editor
Random Music/Sound Picker - Godot 3
Quick tool to randomly pick sounds and/or music in Godot
Atmosphere Sound Maker
Free to use for your game or movie
Unity Audio Containers
A Unity package that simplifies the creation of complex, nested audio playback logic.
Windows Sound Randomiser
A tool for randomising sounds within Windows.
Audiophile - Unity SFX Tool (alpha)
A Unity Tool for streamlining SFX implementation processes
Audio Satanifier 666
Fun and easy demonic effects for your audio files!
Audio Satanifier 666 Mini
Give Any Audio File = Get Demonic Satan!
Youtube Idea Generator
Generate Channel Names and video ideas and more
Horror SFX Generator
Procedural ambient horror sound mixer. Layer drones, wind, creaks & whispers. Record and export.