Similar to Gentoo_Linux

Dolphin (file manager)

Dolphin (emulator)

Dragon Player

Drupal

DVD Flick

Dvd+rw-tools

Device independent file format#DVI-to-PDF converters

Dvips

Eclipse (software)

Elasticsearch

EGS (program)

Element (software)

Emacs

Embedded GLIBC

Enigmail

Enlightened Sound Daemon

Erlang (programming language)

ERP5

Mule (software)

Etherpad