Legal terms and policies governing the GNU GPL v4 license and associated materials.
The GNU General Public License version 4 is a copyleft license designed for software freedom. All redistribution and modification must retain the license terms and grant equal rights to users.
View Full License TextThe term "GNU General Public License" and associated logos are trademarks of the Free Software Foundation. Commercial use of these trademarks requires written authorization.
Allowed: Non-commercial use of the license text for educational purposes
Allowed: Modification of software under GPLv4 to meet project requirements
Prohibited: Removing copyright notices from source code distributions
Distributing software under this license requires that all users have access to source code and be granted the four essential freedoms. Non-compliance constitutes a breach of license terms.