you-tldr - Get the tldr of any YouTube video in seconds
Gifox - Delightful GIF Recording and Sharing App for macOS
SliceTube - The Fast and Modern way to cut and download YouTube videos
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
GIFit! - Quickly turn YouTube videos into GIFs (chrome extension)
Honeycam - Make wonderful Animated GIFs by using Honeycam, very easy GIF image-making and editing software!