At the moment, Dulwich is licensed under the GNU General Public License,
version 2 or later.

We'd like to relicense Dulwich under the Apache v2 (or later) license, as
the GPL is problematic for many free software Python projects that are under
BSD-style licenses. See also https://github.com/jelmer/dulwich/issues/153

For reference, a full copy of the Apachev2 license can be found here:
https://www.apache.org/licenses/LICENSE-2.0

New contributions to Dulwich should be dual licensed under the GNU GPLv2 (or
later) and the Apachev2 (or later) licenses.

Contributions made prior were contributed under the GPLv2 (or later) license
alone. The following contributors have not (yet) relicensed their code under
dual Apachev2/GPLv2:

Aaron O'Mullan <aaron.omullan@friendco.de>
Abderrahim Kitouni <a.kitouni@gmail.com>
Alberto Ruiz <aruiz@gnome.org>
Alexander Belchenko <bialix@ukr.net>
Ali Sabil <ali.sabil@gmail.com>
Andres Lowrie <andres.lowrie@gmail.com>
Artem Tikhomirov <artem.tikhomirov@syntevo.com>
Brendan Cully <brendan@kublai.com>
Brian Visel <eode@eptitude.net>
Bruce Duncan <Bruce.Duncan@ed.ac.uk>
Bruno Renié <buburno@gmail.com>
Chaiwat Suttipongsakul <cwt@bashell.com>
Chow Loong Jin <hyperair@debian.org>
Chris Eberle <eberle1080@gmail.com>
Chris Reid <chris@reidsy.com>
codingtony <tony.bussieres@gmail.com>
Damien Tournoud <damien@commerceguys.com>
Daniele Sluijters <daniele.sluijters@gmail.com>
David Blewett <davidb@sixfeetup.com>
David Carr <david@carrclan.us>
David Pursehouse <david.pursehouse@gmail.com>
DeeKey <dkomarov@gmail.com>
Dirk <dirk@opani.com>
diryboy <lancevdance@gmail.com>
D-Key <dkomarov@gmail.com>
Dmitriy <dkomarov@gmail.com>
Dov Feldstern <dovdevel@gmail.com>
Fabien Boucher <fabien.boucher@enovance.com>
Gary van der Merwé <garyvdm@gmail.com>
Hal Wine <hal.wine@gmail.com>
Hans Kolek <hkolek@gmail.com>
Hervé Cauwelier <herve@oursours.net> <herve@itaapy.com>
Jameson Nash <jameson@mit.edu>
John Arbash Meinel <john@arbash-meinel.com>
kwatters <kwatters@tagged.com>
Lukasz Balcerzak <lukasz.balcerzak@python-center.org>
Marc Brinkmann <git@marcbrinkmann.de>
Martin Packman <gzlist@googlemail.com>
max <max0d41@github.com>
Nick Stenning <nick@whiteink.com>
Nick Ward <ward.nickjames@gmail.com>
Nix <nix@esperi.co.uk>
Paul Hummer <paul@eventuallyanyway.com>
rfaulk <rfaulkner@wikimedia.org>
Risto Kankkunen <risto.kankkunen@f-secure.com> <risto.kankkunen@iki.fi>
Rod Cloutier <rodcloutier@gmail.com>
Roland Mas <lolando@debian.org>
Ronald Blaschke <ron@rblasch.org>
Ross Light <rlight2@gmail.com> <ross@zombiezen.com>
Ryan Faulkner <rfaulk@yahoo-inc.com>
Ryan McKern <ryan@orangefort.com>
Sam Vilain <svilain@saymedia.com>
Siddharth Agarwal <sid0@fb.com>
Stefan Zimmermann <zimmermann.code@gmail.com>
Takeshi Kanemoto <tak.kanemoto@gmail.com>
Tay Ray Chuan <rctay89@gmail.com>
Timo Schmid <info@bluec0re.eu>
Tommy Yu <tommy.yu@auckland.ac.nz>
Travis Cline <travis.cline@gmail.com>
Yifan Zhang <yifan@wavii.com>
Yuval Langer <yuval.langer@gmail.com>

If your name is in this list and you'd be happy to relicense your contribution
under dual GPLv2/Apachev2, then please send me an e-mail (jelmer@samba.org) or
a pull request on GitHub removing your name from the list above.