I think GNU Emacs was released in 1985, but Emacs existed before that. Similar to vim and vi relationship.
In fact, Emacs was first implemented as a plugin (a set of macros in the language of the time) for a now forgotten editor called Teco, which was one of the first, if not the first, programmable editor ever.
In fact, Emacs was first implemented as a plugin (a set of macros in the language of the time) for a now forgotten editor called Teco, which was one of the first, if not the first, programmable editor ever.