Stephane Zermatten

emacs-bash-completion. Add programmable bash completion to Emacs shell-mode

mistty. Shell/Comint alternative with a fully functional terminal for Emacs 29.1 and later.

visual-replace. A nicer interface for query-replace on Emacs

emacsclient-commands. a collection of small shell utilities that connect to a local Emacs server.

turtles. Library for writing ERT-based tests that check how Emacs renders buffers and windows