Mainframe
- Ken Dakin — author of OLIVER (CICS interactive test/debug)
- Dick Goran, author of DUCS, co-author of DOCS, owner of CFS, Inc.
- Leigh Lundin — owner of III, designer of emulators, compilers, and OS, author of Aardvark, Valour, Virtue, Fx, Rexx libraries, WestiTam, DUCS Remote, co-author of DOCS, The Spooler, and WDU
- Boyd Munro — Australian developer of GRASP, owner of SDI, one of the earliest software development companies
- Steve O'Donnell — founder of GOAL Systems, lead developer of WDU, Westi, creater of independent DOS utilities, developer of Prompt
- Don Stoneman — original developer of The Spooler
Read more about this topic: List Of Software Authors