Ploopy has made a name for itself over the past few years by offering a line of customizable trackball mice with open source ...

The Ploopy Classic 2 is available as a fully assembled trackball or a cheaper DIY kit.

Thumb-operated trackballs are easier to get used to if you’re making the switch from a regular mouse, and slanted models—such as the Nulea M501 Wireless Trackball Mouse—can reduce pain or ...

Kensington’s design shows a wireless trackball mouse with a large ball in the center that you can move to manipulate an on-screen cursor, a rotating ring surrounding the ball that functions as a ...

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