[jimhart3000]

Objective-C as well.

[Delmania]

Nitpick, C# is an ECMA standard that has a non proprietary implementation (Mono). I realize the best implementation is the CLR provided by Microsoft, but is feasible that should Microsoft abandon C#, others could pick it up.

[cafard]

I'm pretty sure that I remember Objective-C (under gcc) from way back.