Reverse Image Search
Find where images appear online.
Icons and Photos For Everything
Noun Project is building a global visual language that unites us — a language that allows quick and easy communication no matter who you are or where you are.
https://thenounproject.com
Graphic resources for everyone
Find Free Vectors, Stock Photos and PSD
COLOR THIEF
Grab the color palette from an image using just Javascript. Works in the browser and in Node.