Copyleft says that anyone who redistributes the software, with or without changes, must pass along the freedom to further copy and change it. Deze licentie is voornamelijk bedoeld voor software. Copyleft license legal definition of copyleft license by. All these licenses are designed so that you can easily apply them. Software libre y software libre no protegido con copyleft. In the gnu project, the specific distribution terms that we use for most software are contained in the gnu general public license. Many free software licenses are not copyleft licenses because they do not require the licensee to distribute derivative works under the same license. Licencias copyright, copyleft y creative commons youtube. Copyright, copyleft y creative commons tilo motion. Ventajas y desventajas del copyleft protege tu informacion. What are some examples of sharealikecopyleft licenses.
Copyleft is a general concept, and you cant use a general concept directly. There are variations, of coursethe lgpl, for example, is a weak copyleft. This license is focused on program libraries, and it has gained a lot of popularity among developers. Creative commons, copyleft, and other licenses copyright. Every open source license welcome to copyleftlicense.
There is an ongoing debate as to which class of license provides the greater degree of freedom. So instead of putting gnu software in the public domain, we copyleft it. The gnu general public license, originally written by richard stallman, was is first and most prominent software copyleft license. Copyleft also provides an incentive for other programmers to add to free.
The primary project currently on this site is a tutorial book entitled copyleft and the gnu general public license. Some of the most popular weak copyleft licenses are. Pero vienen con algunos requisitos tales como distribucion del codigo fuente, o licenciamiento dual. The gnu general public license is often called the gnu gpl for short.
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