ColorSnapper - The missing color picker for Mac.
Colordot for iOS - A color picker for humans.
Flat Color Picker - Find the perfect color for your next design project.
MagicPicker - An advanced color picker for Photoshop & Illustrator 🎨
Data Color Picker - Create visually-equidistant palettes for data visualizations
Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.