Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for them if you wishthat you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know you can do these things. When we speak of free software, we are referring to freedom, not price. The licenses for most software and other practical works are designed to take away your freedom to share and change the works.īy contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program-to make sure it remains free software for all its users. Cannot retrieve contributors at this time. Conditions License and copyright notice State changes Disclose source Same license. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Contributors provide an express grant of patent rights. Permissions of this strong copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license.Ĭopyright and license notices must be preserved. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.