Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
CollageMo - Easily create beautiful real life wall collages
ColorSnapper - The missing color picker for Mac.
A Color Story - The photo app to colourize your life
Sip - A better way to collect, organize & share your colors.
Shrub - Draw with your camera.