Similar to Visualization_Toolkit

Discourse (software)

Distcc

Django (web framework)

Dlib

Docker (software)

Dolphin (file manager)

Dolphin (emulator)

Dovecot (software)

Dragon Player

Drupal

DSpace

DVD Flick

Dvd+rw-tools

Device independent file format#DVI-to-PDF converters

Dvips

Eclipse (software)

Elasticsearch

EGS (program)

Element (software)