YouTube GIF Creator - Turn any video into a GIF directly inside YouTube
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
CONV. - Convert YouTube video to MP3, GIF or MP4
GIPHY Says - Turn your words into animated GIFs!
Yout - YouTube to Mp3 Converter