Similar to Puma_(Webサーバ)

CyanogenMod

Cygwin

Cyrus IMAP server

Darik's Boot and Nuke

DC++

DD-WRT

Deno (software)

Dev-C++

Diff

Diff3

Dlib

Docker (software)

Dolphin (file manager)

Dolphin (emulator)

Dragon Player

Drupal

DSpace

DVD Flick

Device independent file format#DVI-to-PDF converters

Dvips