ViSiON was a popular BBS platform for the PC.

The 0.75 manual write, Vision was made and released (privately) around February 5th, '91. The authors also suggest the software featured a backdoor, Do not attempt to run ViSiON while it is unregistered, you will definitely have a few problems with the ViSiON staff and your board will not last longer than a week.

The binaries have ViSiON BBS (c) 1991 Ruthless Enterprises.

Okay, the ViSiON staff is basically composed of these people:
Programmer, Crimson Blade
Coprogammer, The Elemental
Docs, Contributed Shitloads of Ideasa nd Did Mass Beta Testing, ANSi, The Spectral Demon

There was also VISION-NET/ViSiONet:

First, when you've made all your subboards, add these ViSiONet subboards accordingly:

· ViSiONet #1 Subboard is a Basic Piracy Discussion base
· ViSiONet #2 Subboard is an Other BBSes base
· ViSiONet #3 Subboard is an ACiD/Other ANSi's base
· ViSiONet #4 Subboard is a Vision Feedback/Evaluation base
· ViSiONet #5 Subboard is a Phreaking/Code base
· ViSiONet #6 Subboard is a New warez base
· ViSiONet #7 Subboard is a public INC base
· ViSiONet #8 Subboard is a Virus discussion base
· ViSiONet #9 Subboard is a TWA Public Conference base
· ViSiONet #10 Subboard is a Programming base
· ViSiONet #11 Subboard is a For Sale/Trade base
· ViSiONet #12 Subboard is a * (Private) ViSiON SysOps Conference base