Software Kits Some of these software kits are governed by licenses restricting their use. Each kit contains license information, if a license applies. RDOS V7.5 for the Nova (under license provided by Data General Corporation). Mapped RDOS 7.5 for the Eclipse (under license provided by Data General Corporation). Lisp for the PDP-1 (courtesy of the author, L Peter Deutsch). DDT for the PDP-1 (court