copyleft ↔ derivative works

Relations (1)

related 3.81 — strongly supporting 13 facts

Copyleft is a licensing framework that mandates that any derivative works created from the original software must be released under the same or a similar license, as established in [1], [2], and [3].

Facts (13)

Sources

Open-source license - Wikipedia en.wikipedia.org Wikipedia 3 facts

claimCopyleft licenses require that derivative works include source code under a similar license, whereas permissive licenses do not, allowing the code to be used within proprietary software.

claimCopyleft licenses are further divided into strong and weak categories, depending on whether they define derivative works broadly or narrowly.

claimCopyleft licenses require derivative works to be distributed with the source code and under a similar license.

Open Source Licensing Explained: A Comprehensive Guide - TuxCare tuxcare.com TuxCare 3 facts

claimThe GPL is an example of a copyleft license that ensures derivative works remain open source.

claimCopyleft licenses impose stricter conditions on redistribution to ensure that derivative works remain open source.

referenceCommon restrictions in open source licenses include the retention of copyright by original owners, specific patent rights, requirements for attribution of original authors, and mandates that derivative works use the same license (often found in copyleft licenses).

The Complete Guide to Open Source Licenses - FOSSA fossa.com FOSSA 1 fact

claimCopyleft licenses ensure that derivative works remain open source by requiring that any modifications or extensions also be distributed under the same license terms.

What is Open Source? - Revenera revenera.com Revenera 1 fact

claimThe GPL (General Public License) permits free use, modification, and distribution of software, and as a copyleft license, it ensures that derivative works remain open source.

Understanding Open-Source Software Licensing - Kemp IT Law kempitlaw.com Kemp IT Law 1 fact

claimCopyleft licenses, such as GPL and LGPL, require that derivative works be released under the same license, which can potentially impact proprietary software.

Open-source hardware - Wikipedia, the free encyclopedia smoothieware.github.io Smoothieware 1 fact

claimCopyleft licenses, also known as 'share-alike' or 'viral' licenses, require that derivative works be released under the same license as the original work.

Open Source Software: What is OSS? - Sonatype sonatype.com Sonatype 1 fact

claimA copyleft license grants everyone the right to use, modify, and distribute the code, but requires all derivative works to be distributed under the same terms.

Legal aspects of Open Source Software: What makes it different ... en.havelpartners.blog HAVEL & PARTNERS 1 fact

claimCopyleft licenses, such as the GNU GPL and its variations, require that any derivative works be licensed under the same terms as the original software, a requirement often referred to as a 'viral effect'.

Open Source Licenses: Definition, Types, and Comparison solutionshub.epam.com EPAM 1 fact

claimCopyleft licenses allow the use, modification, and distribution of a work for free, provided that any derivative works are shared under the same copyleft license.