AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Material Palette - Generate and export your Material Design color palette
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
Color Hunt - Curated collection of beautiful colors, updated daily
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!