Yout - YouTube to Mp3 Converter
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
GIPHY Create - Create animated GIFs from videos (by Giphy)
You-Get - Command-line utility to download media contents from the web
Gifox - Delightful GIF Recording and Sharing App for macOS