Phhhoto - Animated, Social Photo Booth
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
Yammo - Animate and transform your photos in seconds!
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Lumyer - The easiest way to animate your photos
GIPHY Create - Create animated GIFs from videos (by Giphy)