--- /dev/null
+[[!img notmuch-logo.png alt="Notmuch logo" class="left"]]
+# License
+
+The contents of this wiki are (unless otherwise explicitly noted, see below)
+dual licensed under:
+
+- [CC-BY-SA-3.0](http://creativecommons.org/licenses/by-sa/3.0/) <img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/3.0/88x31.png" />
+
+- [The GNU General Public License](http://www.gnu.org/licenses/gpl.txt), either
+ version 3.0 or at your option any later version.
+
+The [[Notmuch manual pages|manpages]], copied from the
+[Notmuch source tree](http://git.notmuchmail.org/git/notmuch) and
+modified for the wiki, *and* any source code fragment specifically
+marked by its contributor as [[COPYING-GPL-ONLY]] are licensed under
+[the GNU General Public License](http://www.gnu.org/licenses/gpl.txt),
+either version 3.0 or at your option any later version.
+
+By pushing to the repository you agree that all of your contributions to the
+Notmuch wiki comply with the above.
+
+Copies of the license texts should be included in the
+[[wiki repository|wikiwriteaccess]],
+in the COPYING-GPL-3 and COPYING-CC-BY-SA-3.0 files.