1)   Color Cop 5.3
Color Cop is a multi-purpose color picker for web designers and programmers. It features an eyedropper, magnifier, variable magnification levels, 3 by 3 and 5 by 5 average sampling, snap to websafe, color history, and more. Multiple hex outputs.

 2)   SI ColorPicker 1.0
Pick pixel colors as HTML, HEX or RGB values. Drag the eyedropper tool onto a picture or anything else on your desktop, and SI ColorPicker will display the exact value of that pixel in a number of formats from HTML to RGB.

 3)   Webmaster's Toolkit 1.71
Webmaster's Toolkit - utility that allows you quickly measure the size of objects on the screen with pixel ruler, picking the color value from any pixel of the screen and alter or produce your own colors with the Photoshop-style Color Picker.

 4)   ColorMania 3.2
ColorMania is a extended colorpicker with an eyedropper component and a screen Magnifier. ColorMania lets you easyly select and modify colors. It's the ideal tool for website and application developers. The latest version has undo/redo functionality.

 5)   SimpleMagnifier 1.8.1
Easy to use computer screen magnifier. Featuring magnify zoom levels up to 10x within a moveable and sizeable lens window, SimpleMagnifier helps you see web pages, e-mail, pictures, icons and more.