[pjmlp]

In addition to siblings comment COM and OLE are pretty much alive to this day on Windows, being the main way of accessing the platform since Longhorn ideas were ported from .NET into COM in Vista.

WinRT for all its flaws, is basically COM with an additional base interface (IInspectable), .NET type system metadata instead of TLB, and application identify.

Then Android has similar ideas via Android IPC (and Binder).