The GNU GPL

• The GNU General Public License is the most used free software license
• Born with the GNU project, 1985
• A copyleft license
• Protects authorship and reputation of original authors
• Covers any derived work
  • derived work is anything incorporating or linking GPL code
  • usage and calling is not covered
  • aggregation on the same media is not covered
  • dynamic loading, component usage may be covered
  • read the GPL FAQ at http://www.gnu.org/licenses/gpl-faq.html