Squeak and Pharo used to have a really great (for some value of "great", anyway) Vim emulator you could use in place of the default editor, but the hacks to ena

Squeak and Pharo used to have a really great (for some value of "great", anyway) Vim emulator you could use in place of the default editor, but the hacks to enable it ran so deep that it doesn't run well anymore. The good news is that Pharo's GUI is increasingly clean and less crufty, which ought to make reintroducing a similar package feasible for the first time in years, if anyone were up to it.