Similar to ウィヘルト・アッカーマン

Dasher (software)

Dbndns

DesktopBSD

Dia (software)

DigiKam

Dirac (video compression format)

DOSBox

Droid (typeface)

Dwm

Ehcache

EmuTOS

Enigmail

GNOME Evolution

Exim

Express.js

Eye of GNOME

F-Spot

FabFi

Ffdshow

File System Visualizer

FLAC

Flake (software)

Flask (web framework)