>>19
Created by Apple
It was created by a company called StepStone in the early 80s, licensed and extended by NeXT in 88, then further extended by Apple after their NeXT acquisition in 96.
no one can use your software on real hardware unless you pay over $9000 to get it into the App Store
What's GNUStep? Also, xcode let's you export your code as pure C. As long as your program doesn't depend on Apple's dynamic libraries it's still portable. There's no reason Objective-C APIs can't be developed for other GUI toolkits. Not that it's necessary, because you can still use their C APIs and still get superior syntax, data structures and memory management with Objective-C.
Wacky mixture of Smalltalk and C syntax
Everything in C with only the good parts of Smalltalk. Win/win.