[svilen_dobrev]

Pharlap was doing Pmode ; Zortech C (bought later by Symantec), were doing X32 which was compatible with Pharlap but like 5 times smaller ; djgpp (gnu cpp for dos/win then) had a variation

And you could mix and match (if u have written good parametrized makefile/s that is), i had like 6 compilers vs 3-4 diff.extenders (but not all combinations possible)

interesting times these were. internet? what's that?

[lockhouse]

Zortech actually went through several iterations and is still available in the form of the Digital Mars C and C++ developement system.

Unfortunately it looks like the X32 DOS extender link on the page below is dead.

https://www.digitalmars.com/