[License-discuss] Open Source Eventually License Development

zooko zooko at zooko.com
Fri Aug 23 23:15:01 UTC 2013


I offer the following assertions about the Transitive Grace Period Public
Licence (TGPPL) [1, 2].

* TGPPL is a Free Software and Open Source licence. (As I've argued: [3, 4].)

* It is not redundant with any existing Free+Open licence. (As I've argued:
  [5, 2].)

* It is not like the practice that Aladdin Software had of releasing older
  versions under a Free+Open licence. (As I've argued: [5].)

* It is currently in active use [6].

I hereby make the following requests:

* Help me think of problems or issues with this licence that I'm not already
  aware of.

* Help me improve the licence for future revisions.

* Register TGPPL in the lists of Open Source Licences [7] and Free Software
  Licences [8].

* Consider incorporating "The Transitive Grace Period idea" into future Free
  and Open licences such as future revisions of GPL or copyleft-next. (Although
  according to Bradley Kuhn's and Richard Fontana's recent letters, that may be
  off-topic for this list.)

You may be interested in the fact that my startup has just announced our first
commercial product, which is the (Free and Open) Tahoe-LAFS software:


You may also be interested in this related conversation, about the importance
of software distribution and licensing, among other things, in today's world of
ubiquitous surveillance:





[1] https://tahoe-lafs.org/trac/tahoe-lafs/browser/trunk/COPYING.TGPPL.rst
[2] https://tahoe-lafs.org/~zooko/tgppl.pdf
[3] http://projects.opensource.org/pipermail/license-discuss/2013-August/001087.html
[4] http://projects.opensource.org/pipermail/license-discuss/2013-August/001088.html
[5] http://projects.opensource.org/pipermail/license-discuss/2013-August/001169.html
[6] https://tahoe-lafs.org/pipermail/tahoe-dev/2013-July/008610.html
[7] http://opensource.org/licenses/
[8] https://www.gnu.org/licenses/license-list.html

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