also: パブリックドメインソフトウエア
public-domain software
Computing term for software that is not protected by copyright and can be freely used, modified, and distributed by anyone.
This library is public-domain software, so you can use it freely.
Spelling with interpuncts, sometimes used for clarity.
Variant with ウエア instead of ウェア.
Rare variant combining interpuncts and ウエア spelling.
Loanword from English 'public domain software'.