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