GIFMaker for Mac - GIFMaker – Created a GIF from a video or Images is the easiest way to create an animated GIF on your Mac.
Giphy - Search all the gifs and make your own animated gif
Tenor - More than 300M people use Tenor every month to communicate with an animated GIF that expresses...
GIPHY Says - Turn your words into animated GIFs!
4Gifs.com - Funny Animated GIF archive.
Gifify - Convert any video file to an optimized animated GIF