Public domain software
that has been placed in the public domain
, in other words there is absolutely no ownership (such as copyright
) of the intellectual property
that the software represents.
Under the Berne Convention
, which most countries have signed, an author automatically obtains the exclusive copyright to anything they have written, and local law may similarly grant various other intellectual property rights by default. The Berne Convention also covers programs. Therefore, a program is automatically subject to a copyright, and if it is to be placed in the public domain, the author must explicitly disclaim the copyright and other rights on it in some way. In some regions, some rights (in particular moral rights
) cannot be disclaimed.
"Public domain" may be used incorrectly to refer to any software distributed under a free software license
. Although the software was released under a licence that grants rights to others (such as the freedom to modify and redistribute the software), the copyright (or other rights) to the software may still be held by the author. Therefore such software would not
be in the public domain. For clarity, the Free Software Foundation
recommends using "public domain" for the strict meaning only, and using other terms like freeware
to convey the other meanings. On a related note, an executable program
may be in the public domain even if its source code
is not made available. This means that public domain
software is... Read More