copyleft license
[/ˈkɒpileft ˈlaɪsəns/]
nounpl: copyleft licenses
licença copyleft
1. A legal instrument that grants freedom to use, modify, and distribute software or creative works, while requiring that all derivative works maintain the same freedoms and licensing terms
The GNU General Public License is one of the most widely used copyleft licenses in open-source software development.
A Licença Pública Geral GNU é uma das licenças copyleft mais utilizadas no desenvolvimento de software de código aberto.
2. A licensing framework that uses copyright law to enforce freedoms rather than restrict them, ensuring derivative works remain free and open
By releasing the project under a copyleft license, the developer ensured that all future versions would remain open source.
Ao liberar o projeto sob uma licença copyleft, o desenvolvedor garantiu que todas as versões futuras permaneceriam de código aberto.
Copyleft licenses are fundamental to the open-source software movement and free software philosophy, particularly associated with figures like Richard Stallman and organizations like the Free Software Foundation. In Brazil and Portugal, there is growing adoption of copyleft principles in tech communities and academic institutions, reflecting the global movement toward open-source development. The concept challenges traditional copyright models and has influenced not just software but also creative works, hardware design, and academic publications.
Related Idioms & Phrases
viral licensing - referring to how copyleft requirements spread to derivative works
reciprocal licensing - emphasizing the mutual obligations of copyleft
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