Sketch Repo - Collection of resources for anyone who uses Sketch
Color Palette Generator - Enter the URL of an image and find its color palette
Frames for Sketch - Create awesome websites & apps using powerful design system
Color Hunt - Curated collection of beautiful colors, updated daily
Confetti for Adobe XD - Generate gorgeous confetti patterns in 1 click
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!