Similar to ARToolKit

Opkg

Parrot
Parrot virtual machine
Pcap
Pcap
PCMan File Manager
PCMan File Manager
PCSX

PhotoRec
PhotoRec
PHP (プログラミング言語)
PHP
Pidgin
Pidgin (software)
Pluma
Pluma (text editor)
Premake
Premake
Privoxy
Privoxy▲2 trends
ProFTPD
ProFTPD
PSPP
PSPPPure Data
Pure Data
PuTTY
PuTTY
Qmail
Qmail
QMK
QMK
Raku
Raku (programming language)
Ratpoison
Ratpoison
Rdesktop
Rdesktop
RecordMyDesktop
RecordMyDesktop
Redshift
Redshift (software)
Rhythmbox
Rhythmbox
KornShell
KornShell
RPM Package Manager
RPM Package Manager
Rsync
Rsync
Sbase
Sbase
Security-Enhanced Linux
Security-Enhanced Linux