Trackball

[Feanol]

As of 2013 two major companies produce consumer trackballs, Logitech and Kensington, although Logitech has narrowed its product line to two models. Other smaller companies occasionally offer a trackball in their product line. Microsoft produced popular models including The Microsoft Trackball Explorer, but has since discontinued all of its products.
https://en.wikipedia.org/wiki/Trackball

I use a Kensington actually. Zero wrist flopping, flawless control. Operating on Ubuntu Linux distro 12.04 LTS using a Windows architecture emulator called Q4Wine. Any other folks using unconventional computers or interfaces?

Open-Source Love. The Devs feel me I'm sure. Pras Red.