Magical Glass 

The nice magnifier, moves together with the cursor, in settings it is possible to replace the cursor with a magnifier. It is good for editing pixel in the graphic editors, and it is simple for examining small-sized detailses.
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FlashTray 

Multifunctional system tray utility. It includes a multilevel Launchbar, Programmable Macro Hotkeys, Screen Highlighter, Color Picker, Screen Magnifier, Character map
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ZoomAView - The Computer Magnifier! 

ZoomAView is a powerful, easy to use computer desktop screen magnifier. Features magnify zoom levels up to 32x, moveable, sizeable lens window, locked or "mouse-region" view, selectable cursor style, reverse colors in view (photo negative), and more.
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