X00 was developed by Raymond L. Gwinn from 1989 until 1993. The final release version was version 1.50, with a later beta version 1.53 which added support for baud rates above 38400.
X00, developed by Raymond L. Gwinn from 1989 to 1993, was released in version 1.50 and later received a beta version 1.53 that added support for baud rates above 38400.