Comfy, too. I gave up on trying to make my wrist happy with mice and made the switch to a trackball a few years ago, and I've honestly not given a traditional mouse a single glance since.

But we here at Hackaday don’t judge based on alternate input lifestyles, and we quite like this billiard ball trackball mouse. A trackball aficionado, [Adam Haile] spotted a billiard ball ...

The mouse has since become totally ubiquitous ... There are several solutions for that, but the oldest one is probably the trackball. Ploopy is an open source trackball you can build yourself ...

The Gamestation Go is a curious little device, with some traditional controls and some much less traditional controls, too, like a dial and a trackball. It’s missing any analog sticks ...

These days most mice will work on either Mac or PC, so you’ve got access to just about the entire PC mouse market, from wired to wireless, trackpads to trackballs, and even over-the-top ...