Similar to Unity_(ユーザインタフェース)

OpenEmbedded

OpenJPEG

OpenSC

OpenSSH

OpenSSL

OpenVanilla

OpenZaurus

PackageKit

Pango

PCMan File Manager

PDF.js

Eudora OSE

Perl Compatible Regular Expressions

Phonon (software)

PhpBB

PhpMyAdmin

Pico (text editor)

Pidgin (software)

Piwigo

KDE Plasma

Poppler (software)

PostGIS