@lucy @Yoruka It has a runtime library like you'd expect from a language of its type, and you can use it for regular stuff; in a better world, it would have been what people used instead of C++, because it fits in the same places. If you mean Apple's stuff, sure, Apple has its own ecosystem that has diverged from OpenStep but the OpenStep stuff still works so you can even do full desktop GUI stuff with it and talk to the icon tray and all the stuff you expect. But you can just write a webserver in it or whatever. It's in gcc, and the full DE stuff is still available: https://en.wikipedia.org/wiki/GNUstep .