what products does Apple put out there for businesses
That's the beauty of it - they don't have to target businesses, because businesses buy their shit anyway.
doesn't really compete against .NET
Apple doesn't have to compete against .NET - Microsoft shot itself in the foot years ago by not building a Unix and by not taking advantage of the open-source ecosystem.
You may say what you want about .NET, but go to any software or web-related conference, and you'll see more than half the room filled with Apple computers.
Apple doesn't compete with .NET because it doesn't have to.
A huge percentage of crud business apps are .NET. That might not seem important (the 'boring' part of software development), but that just hooks a huge amount of business to the whole Windows platform.
I don't care for MS, but I do grudgingly respect .NET from everything I have seen. And while it is hip to use Apple and run RoR, Django, Erlang, or any other next big language and stack, .NET is huge in the corporate world where the stack is decided based upon politics and who plays golf with who instead of by the developers.
And yes, Apple doesn't compete with .NET, that was sort of my point. They different products to address different needs—iOS/desktop apps vs web based CRUD apps for insurance companies (example corporate industry).
You may say what you want about .NET, but go to any software or web-related conference, and you'll see more than half the room filled with Apple computers.
Apple doesn't compete with .NET because it doesn't have to.