Lem is a nice try, but the default theme is utterly disgusting and because it wasn't designed with themes in mind going with a sane theme is impossible (because

Lem is a nice try, but the default theme is utterly disgusting and because it wasn't designed with themes in mind going with a sane theme is impossible (because some colours are hardcoded so they become impossible to see on a proper light background). The lack of an Emacs-like configuration UI and Emacs-like documentation is also unfortunate.