Coding mostly, which is what I mainly use computers for; it offers pretty nice C++ APIs for building apps. But I also used GoBe Productive, which is by far the

Coding mostly, which is what I mainly use computers for; it offers pretty nice C++ APIs for building apps. But I also used GoBe Productive, which is by far the nicest office suite I've tried. And playing music, back then it was the only OS that could play an MP3 without skipping while you used the computer for something else.