AutoHotkey - The ultimate automation scripting language for Windows.
Audio Video Editor and Mixer - Audio Video Editor and Mixer is a tool that helps you add changes to your video and audio files.
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
MixPad - MixPad is free music Music Mixer and Recording software designed for easy audio production.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.
Add Audio to Video - Add Audio to Video empowers you to add custom audio tracks to your video files.