* gentoolkit
  Original author: Karl Trygve Kalleberg <karltk@gentoo.org>
  Further additions: Douglas Anderson <dja@gendja.com>
  Current maintainer: Paul Varner <fuzzyray@gentoo.org>

* eclean
  Original author: Thomas de Grenier de Latour (tgl) <degrenier@easyconnect.fr>
 
* epkginfo
  Author: Ned Ludd <solar@gentoo.org>
  earch: Eldad Zack <eldad@gentoo.org>
  metadata: Olinger <EvvL AT RustedHalo DOT net> 

* equery
  Original author: Karl Trygve Kalleberg <karltk@gentoo.org>
  Modular redesign: Douglas Anderson <dja@gendja.com>

* eread
  Original author: Donnie Berkholz <dberkholz@gentoo.org>
  Updated by: Uwe Klosa <uwe.klosa@gmail.com>

* euse
  Original perl version: Arun Bhanu <codebear@gentoo.org>
  New bash version: Marius Mauch <genone@gentoo.org>

* revdep-rebuild
  Original author: Stanislav Brabec
  Rewrite author: Michael A. Smith