PenPoint OS

The PenPoint OS was a product of Go Corporation and was one of the earliest operating systems written specifically for graphical tablets and personal digital assistants. Its most prominent hardware it ran on was AT&T's EO Personal Communicator.

Developers of the PenPoint OS included Robert Carr, who was involved with the Alto computer at Xerox PARC.

Further reading

• R. Carr, D. Shafer, The Power of PenPoint, ISBN 0201577631, Addison Wesley, 1991.