[License-discuss] For Public Comment: The Libre Source License

Moritz Maxeiner mm at ucw.sh
Thu Aug 8 17:16:37 UTC 2019

Due to the acronym clash I've now renamed from
Contribution Public License (CPL) to Libre Source License (LSL).
I've also slightly reordered the license text for (what I think makes for) 
easier reading.
Attached in plaintext is the new draft.

Thanks for your time,

On Saturday, 3 August 2019 23:48:38 CEST you wrote:
> Hello,
> due to me being unable to find a reciprocal software license I'm truly happy
> with I've been working on developing my own:
> https://github.com/MoritzMaxeiner/contribution-public-license/blob/master/
> I would - eventually - like to submit the license for OSI approval, but
> thought sharing it here, with this mailing list's audience, in order to
> gather feedback beforehand would be prudent.
> The current draft is attached in plain text as LICENSE.txt and the license
> it in turn is under (due to it being derived from the Patches Back Public
> License) is attached in plain text as CHANGING.
> What I wanted was a license that's as close as possible in spirit to the MIT
> license, except requiring any modifications to the software to be
> contributed back to the public under the same license.
> After looking over the list of OSI-approved licenses there were three I
> could identify as being close to what I want, so here are my reasons as to
> why they aren't satisfactory for me:
> Reciprocal Public License (RPL-1.5):
> It's not only too long and complex for my purposes, but it also explicitly
> defers arbitration to Colorado, USA, which I cannot accept.
> Eiffel Forum License, Version 2
> While being sensibly short and concise it only encourages - but does not
> require - modified versions to be publicly released.
> Microsoft Reciprocal License (MS-RL)
> It's copy-left for things such as static linking, containers, etc. (section
> 3, paragraph A) and it deals with patents and trademarks.
> I hope the above highlights that there's a particular niche that's not quite
> filled yet.
> Thank you for your time,
>   Moritz

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                        LIBRE SOURCE LICENSE
                   Version 1 (Draft), 2019-08-08

*Contributor Notice:* `Licensor Name'

*Source Notice:* `Primary location of source code'

Everyone is permitted to copy and distribute verbatim copies of this

1. Grants

  In exchange for your promise to fulfill all of the obligations listed
  in section 2 you may do everything with this software that would
  otherwise infringe either any contributors' copyright in it, any
  patent claim any contributor can license that covers this software as
  of that contributor's latest contribution, or both. Specifically:

  ? You are granted a perpetual, universal, non-exclusive, no-charge,
    royalty-free, irrevocable (except in the case of breaching the
    obligations listed in section 2) copyright license without scope

  ? You are granted a perpetual, universal, non-exclusive, no-charge,
    royalty-free, irrevocable (except in the case of breaching the
    obligations listed in section 2) patent license for all patent
    claims covering contributions as embodied in this software and
    licensable by respective contributors without other scope

2. Obligations

  1. Ensure everyone who receives a copy of this software from you, in
     any form, also receives the text of this license and the
     contributor and source notices above.

  2. License each change you make to this software under this license,
     publish it in its original form through a freely accessible
     distribution system commonly used for similar changes, and ensure
     reasonable availability of it via one such publication for as long
     as you use the rights granted in section 1, but no less than 180

  3. Do not make any legal claim against anyone for infringing any
     patent claim they would infringe by using this software alone,
     accusing this software, with or without changes, alone or as part
     of a larger application.

3. Disclaimer of Warranty

  There is no warranty for this software, to the extent permitted by
  applicable law. Except when otherwise stated in writing the copyright
  holders and/or other parties provide this software "as is" without
  warranty of any kind, either expressed or implied, including, but not
  limited to, the implied warranties of merchantability and fitness for
  a particular purpose. The entire risk as to the quality and
  performance of this sofware is with you. Should this software prove
  defective, you assume the cost of all necessary servicing, repair or

4. Limitation of Liability

  In no event, unless required by applicable law or agreed to in
  writing, will any copyright holder, or any other party who makes
  changes to and/or distributes this software as permitted above, be
  liable to you for damages, including any general, special, incidental,
  or consequential damages arising out of the use or inability to use
  this software (including but not limited to loss of data or data being
  rendered inaccurate or losses sustained by you or third parties or a
  failure of this software to operate with any other software, hardware,
  or wetware), even if such holder or other party has been advised of
  the possibility of such damages.

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