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
GIFmaker - GIFmaker gives you the freedom and flexibility to create unique, professional GIFS that are on-brand, on your own!
GIPHY Says - Turn your words into animated GIFs!
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
Imgur's Video to GIF - Make a GIF from hundreds of video sites