Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.
Color Palette Generator - Enter the URL of an image and find its color palette
GIF Brewery by Gfycat - Create stunning GIFs from videos & screen recording for free
Color Hunt - Curated collection of beautiful colors, updated daily
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!