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authorMarcello Stanisci <marcello.stanisci@inria.fr>2017-05-31 16:25:32 +0200
committerMarcello Stanisci <marcello.stanisci@inria.fr>2017-05-31 16:25:32 +0200
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+===========================
+Taler licensing information
+===========================
+
+This file gives an overview of all Taler component's licensing and of
+runtime dependencies thereof. For "component" here is meant a set of
+source files which can be retrieved from a single repository. If
+components consist of sources under different licensing regimes, i.e.
+because we want to enable third party developments to easily integrate
+with Taler, those are described as well.
+
+All components are generally released under Lesser GPL, GPL or Affero
+GPL. The main strategy is for libraries that third parties may need
+to integrate with Taler to be under LGPL, standalone binaries and
+testcases to be under GPL, and Web servers implementing Web services
+to be under AGPL.
+
++++++++++++++++++++++++++
+API (git://taler.net/api)
++++++++++++++++++++++++++
+
+The specification has been jointly developed by INRIA and by individuals
+being under the juridical subject called 'GNUnet e.V.'. For each source
+file, the header indicated whose is holding the copyright, since some
+parts have been taken "verbatim" from the GNUnet e.V. foundation, and
+some other have been developed at INRIA "ex novo".
+
+Generally, GNU GPLv3 license is used for them; see COPYING.GPL.
+
+
+--------------------
+Runtime dependencies
+--------------------
+This component has no runtime dependencies as it is supposed to generate
+HTML.
+
+
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Firefox/Android/Python Wallet (git://taler.net/wallet)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+This project includes contributions from INRIA and GNUnet
+e.V. developers. Please refer to each source file to obtain
+information about the copyright holder. The GNU GPLv3 is used as the
+license for Wallets. Some components may be under the LGPL.
+
+--------------------
+Runtime dependencies
+--------------------
+
+The following list encompasses all the runtime dependencies for this
+project, and gives the copyright holder for each of them:
+
+* libgnunetutil: GPLv3+, GNUnet e.V.
+* libgnunetjson: GPLv3+, GNUnet e.V.
+* libgcrypt: LGPL, Free Software Foundation
+* libunistring: LGPL, Free Software Foundation
+* Python: Python Software Foundation License, LGPL-Compatible, Python Software Foundation
+* Mozilla Firefox: Mozilla Public License, LGPL-Compatible, Mozilla Foundation
+
+
++++++++++++++++++++++++++++++++++++++++++++++++++++
+WebExtensions Wallet (git://taler.net/wallet-webex)
++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+The TypeScript code was developed 100% at INRIA, but the project
+involves compiling libgnunetutil and libtalerutil to JavaScript, and
+thus depends on software from GNUnet e.V.
+
+Each source carries its own copyright holder(s), but it is generally
+licensed under GPLv3+.
+
+--------------------
+Runtime dependencies
+--------------------
+
+The following list encompasses all the runtime dependencies for this
+project, and gives the copyright holder for each of them:
+
+* libgnunetutil: GPLv3+, GNUnet e.V.
+* libgnunetjson: GPLv3+, GNUnet e.V.
+* libgcrypt: LGPL, Free Software Foundation
+* libunistring: LGPL, Free Software Foundation
+
+Note that these dependencies are compiled into the extension and do
+not appear as separate binary files.
+
+
++++++++++++++++++++++++++++++++++++
+Merchant (git://taler.net/merchant)
++++++++++++++++++++++++++++++++++++
+
+This project contains code under two different licenses, and whose
+copyright is held by INRIA and/or GNUnet e.V.. Please refer to each
+source file to know which party holds the copyright.
+
+Source files are located in the following directories:
+
+* src/lib/
+* src/backend/
+* src/backenddb/
+* src/include/
+* src/tests/
+* examples/blog/
+* examples/shop/
+* copylib/
+
+In examples/blog/articles/ we included a book by Richard Stallman.
+It comes with its own permissive license (see COPYING in the
+directory).
+
+
+The merchant's backend (i.e. all the code in src/backend/) is under
+the GNU Affero GPL as it depends on libgnunetutil. Note that the use
+of the Affero GPL has little impact as the backend is not supposed to
+be directly accessible to the Internet). The license for this code is
+in COPYING.GPL and COPYING.AGPL.
+
+The merchant's frontend logic (i.e. JavaScript interacting with
+the wallet, sample code for a shop) is under the GNU LGPL (but
+we may choose to change this to be in the public domain or
+BSD-licensed if necessary; the code is so short that there is
+anyway the question whether it is copyrightable). Under this same
+license, it comes the merchant library (src/lib/) as it can be linked
+with more diverse licensed software. The license text for this code
+is in COPYING.LGPL.
+
+
+
+--------------------
+Runtime dependencies
+--------------------
+
+The following list encompasses all the runtime dependencies for this
+project, and gives the copyright holder for each of them:
+
+* libjansson: MIT License, AGPL- and LGPL-Compatible, owned by Petri Lehtinen and other individuals
+* libgcrypt: LGPL, owned by Free Software Foundation
+* postgresql: PostgreSQL License, AGPL- and LGPL-Compatible, owned by The PostgreSQL Global Development Group
+* libgnunetutil (in all of its variants): GPLv3+, owned by GNUnet e.V.
+* PHP: PHP License, AGPL- and LGPL-Compatible, owned by The PHP Group
+
++++++++++++++++++++++++++++
+Bank (git://taler.net/bank)
++++++++++++++++++++++++++++
+
+---------
+Licensing
+---------
+
+This project has been developed by INRIA. For each source file, the
+header indicated whose is holding the copyright. The licensing plan
+for the bank is to use the Affero GPLv3+.
+
+Source files of interest are located in the following directories:
+(The repository holds also scaffolded files autogenerated by Django,
+which do not have legal significance in this context.)
+
+* TalerBank/Bank/
+* TalerBank/Bank/templates/
+* TalerBank/my-static/
+* website/
+
+--------------------
+Runtime dependencies
+--------------------
+
+The following list encompasses all the runtime dependencies for this
+project, and gives the copyright holder for each of them:
+
+* Django: BSD License, AGPL-Compatible, owned by Django Software Foundation
+* validictory: BSD License, AGPL-Compatible, owned by James Turk
+* django-simple-math-captcha: Apache Software License, LGPL-Compatible (FIXME), Brandon Taylor
+* requests: Apache2 License, AGPL-Compatible, owned by Kenneth Reitz
+* Python: Python Software Foundation License, AGPL-Compatible, Python Software Foundation
+* PHP: PHP License, AGPL-Compatible, owned by The PHP Group
+
+
+.. _exchange-repo:
+
++++++++++++++++++++++++++++++++++++
+Exchange (git://taler.net/exchange)
++++++++++++++++++++++++++++++++++++
+
+This component is based on code initially developed in Munich for
+GNUnet e.V. Most recent improvements and maintenance has been done at
+Inria. The copyright is thus shared between both institutions.
+
+The licensing for exported libraries to access the exchange is LGPL,
+the exchange itself is under AGPL, and testcases and standalone
+binaries are under GPL.
+
+
+--------------------
+Runtime dependencies
+--------------------
+
+The following list encompasses all the runtime dependencies for this
+project, and gives the copyright holder for each of them:
+
+* libjansson: MIT License, AGPL- and LGPL-Compatible, owned by Petri Lehtinen and other individuals
+* libgcrypt: LGPL, owned by Free Software Foundation
+* postgresql: PostgreSQL License, AGPL- and LGPL-Compatible, owned by The PostgreSQL Global Development Group
+* libgnunetutil (in all of its variants): GPLv3+, owned by GNUnet e.V.
+* libgnunetjson: GPLv3+, GNUnet e.V.
+
+
++++++++++++++++++++++++++++++++++++++++++
+Web includes (git://taler.net/web-common)
++++++++++++++++++++++++++++++++++++++++++
+
+All copyright owned by INRIA (but questionable whether creativity
+threshold for copyright is even met).
+
+Sources are licensed under the GNU LGPL.