Virtual Magnifying Glass - Virtual Magnifying Glass, a free, open source, screen magnification program for Windows, Linux, FreeBSD and Mac OS X. Free full version download and instructions for use.
Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
Magnifixer - Magnifixer is a screen magnifier utility.
Instant Eyedropper - Identifying the color code of an object on the screen is usually an involved, multistep process:...
ZoomIt - Presentation utility for zooming and drawing on the screen.
Sip - A better way to collect, organize & share your colors.