Not downplaying your choices but throwing this out there. Vim can and does all of that as well. vim $DOCUMENTATION_URL (curls the page and opens in vim) vim-r

Not downplaying your choices but throwing this out there. Vim can and does all of that as well. vim $DOCUMENTATION_URL (curls the page and opens in vim) vim-rest-console :terminal (new!..ish. Works great.)