Similar to Tesseract_(ソフトウェア)

Point Cloud Library

Poppler (software)

POV-Ray

PowerDNS

PPSSPP

Project64

PyQt

QBittorrent

QGIS

Qt (software)

Qt Creator

Qtractor

Quassel IRC

Quite Universal Circuit Simulator

Rosegarden

RPCS3

SAGA GIS

Cube 2: Sauerbraten

SciTE

Scribus

ScummVM

Smart Common Input Method

Stellarium (software)

Stockfish (chess)

Strigi

TaskJuggler

TortoiseCVS

TortoiseGit