ContrAlto aspires to be a faithful emulation of the Xerox Alto series of pioneering graphical workstations developed at Xerox PARC starting in 1973.

At this time, it runs all known software, though some may make use of hardware that is not yet implemented (RS232, IMP interfaces, etc.)

For releases, please see: https://github.com/jdersch/Contralto2/releases.

For documentation, please see: https://github.com/jdersch/Contralto2/blob/master/Contralto/readme.txt