What Is Copyleft License?
“To copyleft a program, we first state that it is copyrighted; then we add distribution terms, which are a legal instrument that gives everyone the rights to use, modify, and redistribute the program's code, or any program derived from it, but only if the distribution terms are unchanged.
All About Copyleft Licenses - FOSSA
What do you mean by copyleft license?
Copyleft License means a software license that requires that information necessary for reproducing and modifying such software must be made available publicly to recipients of executable versions of such software (see, e.g., GNU General Public License and http://www.gnu.org/copyleft/).
Copyleft License Definition: 214 Samples | Law Insider
What is copyleft and how is it different from copyright?
Copyrights exist in order to protect authors of documentation or software from unauthorized copying or selling of their work. ... A Copyleft, on the other hand, provides a method for software or documentation to be modified, and distributed back to the community, provided it remains Libre.
3. Copyright vs. Copyleft - GNU.org
What is strong copyleft license?
Strong and weak copyleft Strong copyleft conditions dictate that when a piece of software contains some of your code, the software as a whole must be distributed under your licence, if it is distributed at all. The effect of this will be that the source code to all additions made to the code will be available.
What kind of licence should I choose? - OSS Watch