Pixel Picker
A FREE utility for picking and copying pixel color values from anywhere on your screen!
loveHRT
loveHRT (heuristic ray tube), fairly cheap, somewhat accurate, decently pretty CRT shader/upscaler
Spiders Channel Packing Tool
A tool to pack and unpack RGB(A) channels into and from an image
Color Code Champion
Pick colors with RGB sliders, HSV sliders, or from images.
Iamst.KGB
Toggle the RGB lighting of your keyboard on Linux, easily and simply.
DualTone
Windows app to change your image color gamma or add a color filter
ColorPad
Lightweight color picking tool
Interactive RGB Color Pallet
Use your mouse position to calculate the RBG in all possible combinations.