Similar to Ubuntu

Source Engine
Source (game engine)
TrueCrypt
TrueCrypt
NASA World Wind
NASA WorldWind
FrostWire
FrostWire
Paint.NET
Paint.NET
ほぼテキストブラウザ

MEIKO
Meiko (software)/Mozilla_Thunderbird_logo-56a2899f5f9b58b7d0cbe698.jpg)
Mozilla Thunderbird
Mozilla Thunderbird
Mono (ソフトウェア)
Mono (software)
LEON・LOLA

Ren'Py
Ren'Py