AxiDraw - Personal drawing and writing machine
Crumbles - Crumbles are like reaction GIFs with a way bigger vocabulary
ScribbleBoard - iOS8 Keyboard for hand drawing your messages
Rif - Product Hunt for reaction GIFs
Askey - Turn your drawings into text & emoji on iOS!
Mematic - Mematic – Make Your Own Meme is another free to use meme generator application developed and published by Trilliarden.