GIFMaker for Mac - GIFMaker – Created a GIF from a video or Images is the easiest way to create an animated GIF on your Mac.
Imgur's Video to GIF - Make a GIF from hundreds of video sites
Giphy - Search all the gifs and make your own animated gif
Mixbook - Mixbook is an online photo design tool and product service that allows customers to design customized photo books, cards, calendars, and photo prints through its online interface.
GIPHY Says - Turn your words into animated GIFs!
Yout - YouTube to Mp3 Converter