| group1 = History
| list1 = [[GNU Manifesto]]{{·}} [[GNU Project]]{{·}} [[Free Software Foundation]]{{·}} [[History of free software]]
| group2 = GNU licenseslicences
| list2 = [[GNU General Public License]]{{·}} [[GNU Lesser General Public License]]{{·}} [[GNU Free Documentation License]]{{·}} [[GPL linking exception]]
| group3 = Software