dunnet 2.1 built-in text adventure for Emacs
ebnf2ps 4.4 built-in translate an EBNF to a syntactic chart on PostScript
ede 1.2 built-in Emacs Development Environment gloss
ediff 2.81.4 built-in a comprehensive visual interface to diff & patch
edmacro 2.1 built-in keyboard macro editor
eieio 1.4 built-in Enhanced Implementation of Emacs Interpreted Objects
eieio-core 1.4 built-in Core implementation for eieio
epg 1.0.0 built-in the EasyPG Library
erc 5.3 built-in An Emacs Internet Relay Chat client
eshell 2.4.2 built-in the Emacs command shell
feedmail 11 built-in assist other email packages to massage outgoing messages