Mismoodi mõjutab vabade litsentside juures edasikandumisklausel (copyleft) litsentsivalikut?
Copyleft Copyleft, a play on the word "copyright," is the practice of offering users of a work the right to freely distribute and modify the original work, but only under the condition that the derivative works be licensed with the same rights. It is similar to the "Share Alike" stipulation of the Creative Commons licenses (and the SA icon resembles the copyleft icon). Copyleft licenses are often found on software packages but can be used on any work. The GNU General Public License, originally written by Richard Stallman, was is the first and most prominent software copyleft license. According to the Free Software Definition, free software must fulfil 4 freedoms: The freedom to run the program, for any purpose. The freedom to study how the program works and adapt it to your needs. Access to the source code is a precondition for this. The freedom to redistribute copies so you can help your neighbour. The freedom to improve the program and release your improvements t...