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That would be considered "open source" software.
Yes, "Mister Magoo's A Christmas Carol" is in the public domain since it was released in 1962 without a copyright notice. This means it can be freely distributed and used without permission.
That depends on what you mean by "old". With a few exceptions, works published prior to 1923 are in the public domain and can be used freely without permission. Works after that date would have to be researched to determine their copyright status.
No. There was no copyright law comparable to ours in Shakespeare's day. However, the introduction, preface, notes and so on which are probably printed with your copy of the play likely are copyright, since they are modern.
Anton Chekhov's play "The Seagull" is in the public domain, along with other works published before 1923. This means it can be freely used, adapted, and performed without copyright restrictions.
No, the copyright for Webster's Unabridged Dictionary of the English Language is not current. The 1913 edition is considered to be in the public domain, meaning it can be freely used and distributed without copyright restrictions.
Yes, "Yankee Doodle Dandy" is in the public domain. The song was composed before 1923, which means it is no longer protected by copyright and can be freely used and performed without permission or payment.
No.
The copyright for "The Wind in the Willows" has likely expired since the book was published in 1908, which means it is now in the public domain. This means that the original text can be freely accessed and used by anyone without seeking permission.
Yes, Antonin Dvorak's New World Symphony is in the public domain as it was composed in 1893, which is over 100 years ago. This means it can be freely used, performed, and shared without copyright restrictions.
It means that that piece of work is freely usable by any member of the public without having to pay royalties and/or fear of being the subject of a (non-frivolous) patent, trademark or copyright infringement lawsuit.
A work that is not subject to copyright protection would be in the public domain. Examples are works of the federal government (such as NASA imagery) or works for which protection has expired.