These are major modes for Emacs that I wrote, maintain and use myself. Many of them are available in the Emacs packages archives such as ELPA or MELPA. - bugz-mode: access Bugzilla from Emacs https://git.sr.ht/~jemarch/bugz-mode - a68-mode: Algol 68 major mode https://git.sr.ht/~jemarch/a68-mode - vw-mode: major mode for editing VW grammars https://git.sr.ht/~jemarch/vw-mode