Similar to Git

Docker (software)

Dolphin (file manager)

Dolphin (emulator)

Dragon Player

DSpace

DVD Flick

Device independent file format#DVI-to-PDF converters

Dvips

Eclipse (software)

Elasticsearch

EGS (program)

Enlightened Sound Daemon

Erlang (programming language)

ERP5

Mule (software)

Etherpad

Exa (command-line utility)

Expr

EZ Publish

Falkon

Far Manager