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The Creative Commons Public Domain Mark indicates works that are in the public domain. Public-domain software is software that has been placed in the public domain, in other words, software for which there is absolutely no ownership such as copyright, trademark, or patent. Software in the public domain can be modified, distributed, or sold even ...
A public-domain book is a book with no copyright, a book that was created without a license, or a book where its copyrights expired [ 17] or have been forfeited. [clarification needed][ 18] In most countries the term of protection of copyright expires on the first day of January, 70 years after the death of the latest living author.
Public-domain software. Wikimedia Commons has media related to Public domain software. This category is for software that has been formally released to the public domain, so there is no copyright restriction on it, worldwide.
In the past, a work would enter the public domain in the United States if it was released without a copyright notice. This was true prior to March 1, 1989, but is no longer the case. Any work (of certain, enumerated types) now receives copyright as soon as it is fixed in a tangible medium.
[1] [2] Open-source software may be developed in a collaborative, public manner. Open-source software is a prominent example of open collaboration, meaning any capable user is able to participate online in development, making the number of possible contributors indefinite. The ability to examine the code facilitates public trust in the software ...
Moodle – Free and open-source learning management system. OLAT – Web-based Learning Content Management System. Omeka – Content management system for online digital collections. openSIS – Web-based Student Information and School Management system. Sakai Project – Web-based learning management system.
Since public-domain software lacks copyright protection, it may be freely incorporated into any work, whether proprietary or free. The FSF recommends the CC0 public domain dedication for this purpose. [33] Permissive licenses, also called BSD-style because they are applied to much of the software distributed with the BSD operating systems.
The Unlicense software license, published around 2010, offers a public-domain waiver text with a fall-back public-domain-like license, inspired by permissive licenses but without an attribution clause. [12] [13] In 2015 GitHub reported that approximately 102,000 of their 5.1 million licensed projects, or 2%, use the Unlicense. [note 3]