My brother collects software too. Heres a list of what my aspie brother has collected.
Visual basic 1 DOS, Visual basic 5 pro, Visual basic 5 Enterprise, Visual basic 6 pro, Visual basic 6 Enterprise, VB.net, Borland C++, Microsoftstudio pro, Borland Delphi 4 threw to 8, Windows 95, Win 98, Win 98 SE, Win ME, Win XP home and pro, Win 2000 pro, MS office 97 2000 and 2003, MS Jbuilder, Tonnes of nortons stuff, lots of old out dated virus checkers.
This is only some of the windows stuff he has. He also has a Linux collection.