proprietary software
プロプライエタリソフトウェア
Business software
commercial off-the-shelf
Comparison of open-source and closed-source software
List of proprietary software for Linux
Proprietary hardware
Retail software
/suto3/google.iconproprietary software
image proprietary software
define proprietary software
wikipedia proprietary software
weblio proprietary software
kotobank proprietary software
jisho proprietary software