Emacs has "modes" for: - File/directory browsing (think Norton Commander) - Email client (several of them) - Terminal (vt100) - Remote file browsing/editing (t

Emacs has "modes" for: - File/directory browsing (think Norton Commander) - Email client (several of them) - Terminal (vt100) - Remote file browsing/editing (think WinSCP, Cyberduck) - Games (Sokoban, Tetris) It's not "subtle".