|I've tried the ported versions of Emacs and Vim, but I find they both lack features I rely on.
I'm a heavy vim user, and I am confident vim supports everything on your list. So does emacs. And both vim and emacs work across the platforms you listed. These are robust editors with a long history of development. It takes time to learn how to use many of their features. I think you should go back and investigate them some more.
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