CloudSight - Image recognition API; send an HTTP request with an image, get a description of contents.
Meme Creator Bot - Create cool memes over a bot
Dashmote - Dashmote bundles stock image providers to make finding stock images as easy as possible.
Meme Trends - Like Google Trends for Memes
YOLO - Real-time object detection
Mematic - Mematic – Make Your Own Meme is another free to use meme generator application developed and published by Trilliarden.