Cookie AutoDelete - Control your cookies! Auto deletes unused cookies from your closed tabs while keeping the ones you...
MixPad - MixPad is free music Music Mixer and Recording software designed for easy audio production.
Cookie Quick Manager - An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
Audio Video Editor and Mixer - Audio Video Editor and Mixer is a tool that helps you add changes to your video and audio files.
EditThisCookie - EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Add Audio to Video - Add Audio to Video empowers you to add custom audio tracks to your video files.