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| [The homepage](https://www.webtoolkit.eu/wt), itself a Wt application, | ||
| contains also [various examples](https://www.webtoolkit.eu/wt/documentation/examples). | ||
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| License | ||
| ------- | ||
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| Wt is available under two licenses: | ||
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| - the GNU General Public License, Version 2, with OpenSSL exception. Only version 2 of the GPL applies. See the [`LICENSE`](LICENSE) file for more information. | ||
| - a [commercial license](https://www.webtoolkit.eu/wt/license/Wt%20License%20Agreement.pdf), which does not require you to distribute the source code of your application. Request a quotation [online](https://www.webtoolkit.eu/wt/download) or contact [email protected] for more information. | ||
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| See [`doc/licenses.md`](doc/licenses.md) for an exhaustive list of the licenses | ||
| used by Wt, source code from external sources included in Wt | ||
| and common (optional) external dependencies. | ||
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| # Wt License information | ||
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| This file includes an exhaustive list of the licenses used by Wt, source code from external sources included in Wt | ||
| and any external dependencies. For common licenses, a link to SPDX is included. Non-common licenses are listed in the | ||
| appendix. | ||
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| ## Wt license | ||
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| Wt itself is available under two licenses: | ||
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| - The [GNU General Public License v2.0](https://spdx.org/licenses/GPL-2.0-only.html), with | ||
| OpenSSL exception. Other versions of the GPL do not apply. | ||
| - a [commercial license](https://www.webtoolkit.eu/wt/license/Wt%20License%20Agreement.pdf), which does not require you to distribute the source code of your application. Request a quotation [online](https://www.webtoolkit.eu/wt/download) or contact [email protected] for more information. | ||
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| Wt is Copyright © [Emweb](https://www.emweb.be) bv. | ||
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| ### Exceptions | ||
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| The `wtwithqt` example is licensed under the [MIT License](https://spdx.org/licenses/MIT.html). | ||
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| ## Source code included in Wt | ||
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| ### C++ | ||
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| | Library | Comment | License | Authors | | ||
| | ------- | --------- | ------- | ------- | | ||
| | RapidXML | Used for XML parsing and validation | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | Copyright © 2006, 2007 Marcin Kalicinski | | ||
| | CGI parser | Wt's CGI parser is based on a Perl implementation, rewritten in C++ | See appendix | Copyright © 1993-1999 Steven E. Brenner | | ||
| | `alpha_composite.h` | Header from GraphicsMagick, required when GraphicsMagick is used | http://www.graphicsmagick.org/Copyright.html | Copyright © 2003, 2005, 2008 GraphicsMagick Group<br>Copyright © 2002 ImageMagick Studio | | ||
| | base64 encoding/decoding | | [zlib License](https://spdx.org/licenses/Zlib.html) | Copyright © 2002 Ryan Petrie | | ||
| | bcrypt and blowfish | Used in Wt::Auth for password hashing | Public domain, see appendix | | | ||
| | passwdqc | Used in Wt::Auth for password strength validation | See appendix | Copyright © 2000-2002 by Solar Designer<br>Copyright © 2008,2009 by Dmitry V. Levin | | ||
| | md5 | | [zlib License](https://spdx.org/licenses/Zlib.html) | Copyright © 1999, 2000, 2002 Aladdin Enterprises | | ||
| | sha1 | | Freeware Public License (FPL), see appendix | Copyright © 1998, 2009 Paul E. Jone | | ||
| | date | | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright © 2015, 2016, 2017 Howard Hinnant<br>Copyright © 2015 Ville Voutilainen<br>Copyright © 2016, 2017, 2019 Jiangang Zhuang<br>Copyright © 2016 Adrian Colomitchi<br>Copyright © 2016 Alexander Kormanovsky<br>Copyright © 2017, 2018, 2019 Tomasz Kamiński<br>Copyright © 2017 Aaron Bishop<br>Copyright © 2017 Florian Dang<br>Copyright © 2017 Nicolas Veloz Savino<br>Copyright © 2017 Paul Thompson<br>Copyright © 2019 Asad. Gharighi | | ||
| | any | Used to provide `std::any` implementation when C++17 is not available | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | Copyright © 2016 Denilson das Mercês Amorim | | ||
| | signals | Wt's signal/slot implementation is adapted from this | [Creative Commons Zero v1.0 Universal](https://spdx.org/licenses/CC0-1.0.html) | Tim Janik | | ||
| | GLEW | Used for server side rendering of `WGLWidget` | [BSD 3-Clause "New" or "Revised" License](https://spdx.org/licenses/BSD-3-Clause.html) | Copyright © 2002-2008, Milan Ikits <milan ikits[]ieee org><br>Copyright © 2002-2008, Marcelo E. Magallon <mmagallo[]debian org><br>Copyright © 2002, Lev Povalahev | | ||
| | http client example | `Wt::Http::Client` is based on a Boost Asio example | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | Copyright © 2003-2008 Christopher M. Kohlhoff | | ||
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| ### JavaScript | ||
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| | Library | Comment | License | Authors | | ||
| | ------- | ------- | ------- | ------- | | ||
| | jQuery v1.4b1pre | When no external jQuery is used, Wt uses this old version of jQuery | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright 2010, John Resig | | ||
| | jQuery Caret Range plugin | Detects the range of highlighted text | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright © 2009 Matt Zabriski | | ||
| | Yahoo! History Framework | | [BSD 3-Clause "New" or "Revised" License](https://spdx.org/licenses/BSD-3-Clause.html) | Copyright © 2008, Yahoo! Inc. | | ||
| | array remove function | | [MIT License](https://spdx.org/licenses/MIT.html) | John Resig | | ||
| | jPlayer | | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright © 2009 - 2014 Happyworm Ltd | | ||
| | `glMatrix.js` | Wt uses a modified version of `glMatrix.js` for `WGLWidget` | [zlib License](https://spdx.org/licenses/Zlib.html) | Copyright © 2010 Brandon Jones | | ||
| | ResizeSensor | | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright © 2013 Marc J. Schmidt | | ||
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| ### Other | ||
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| | Library | Comment | License | Authors | | ||
| | ------- | ------- | ------- | ------- | | ||
| | Font Awesome | | [SIL OFL 1.1](http://scripts.sil.org/OFL) and [MIT License](https://spdx.org/licenses/MIT.html) | Font Awesome by Dave Gandy - http://fontawesome.io | | ||
| | Twitter Bootstrap 2 | `WBootstrapTheme`, when version 2 is used| [Apache License 2.0](https://spdx.org/licenses/Apache-2.0.html) | Copyright 2012 Twitter, Inc | | ||
| | Twitter Bootstrap 3 | `WBootstrapTheme`, when version 3 is used| [MIT License](https://spdx.org/licenses/MIT.html) | Copyright 2011-2019 Twitter, Inc. | | ||
| | jQuery mobile framework | CSS transitions | [MIT License](https://spdx.org/licenses/MIT.html) | Copyright © jQuery Project | | ||
| | FindSqlite3 | CMake script to find Sqlite3| [BSD 3-Clause "New" or "Revised" License](https://spdx.org/licenses/BSD-3-Clause.html) | Copyright © 2010 Pau Garcia i Quiles | | ||
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| ## Source code included in Wt::Dbo | ||
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| | Library | Comment | License | Authors | | ||
| | ------- | ------- | ------- | ------- | | ||
| | SQLite | Wt::Dbo Sqlite backend | [Public Domain](https://www.sqlite.org/copyright.html) | https://www.sqlite.org | | ||
| | IBPP | Wt::Dbo Firebird backend | IBPP License, see appendix | © Copyright 2000-2006 T.I.P. Group S.A. and the IBPP Team | | ||
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| ## Source code included in wthttp connector | ||
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| | Library | Comment | License | Authors | | ||
| | ------- | ------- | ------- | ------- | | ||
| | http server example | The `wthttp` connector is based on Boost Asio example code | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | Copyright © 2003-2006 Christopher M. Kohlhoff | | ||
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| ## Source code included in examples | ||
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| | Library | Use in Wt | License | Authors | | ||
| | ------- | --------- | ------- | ------- | | ||
| | prettify.js | Used for syntax highlighting in the `codeview` example | [Apache License 2.0](https://spdx.org/licenses/Apache-2.0.html) | Copyright © 2006 Google Inc. | | ||
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| ## External dependencies | ||
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| Wt's only essential external dependency, apart from system- and compiler-specific libraries, is Boost (https://www.boost.org). | ||
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| The table below lists all of Wt's dependencies that are not system- or compiler-specific, depending on how Wt is configured. | ||
| Note that this list is provided for reference. Since this is external software and not distributed as part of the | ||
| Wt source code, their licenses may change. | ||
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| | Library | Use in Wt | License | URL | | ||
| | ------- | --------- | ------- | ---- | | ||
| | Boost | Required | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | https://www.boost.org | | ||
| | Standalone Asio | Alternative to Boost::Asio | [Boost Software License 1.0](https://spdx.org/licenses/BSL-1.0.html) | https://think-async.com/Asio/ | | ||
| | OpenSSL | TLS support | [OpenSSL License](https://spdx.org/licenses/OpenSSL.html) | https://www.openssl.org | | ||
| | zlib | `wthttp` connector: gzip compression support | [zlib License](https://spdx.org/licenses/Zlib.html) | https://zlib.net/ | | ||
| | FastCGI | `wtfcgi` connector | [FastCGI Open Market License](https://fastcgi-archives.github.io/LICENCE.html) | https://fastcgi-archives.github.io/ (archived copy) | | ||
| | libHaru | PDF rendering, font metrics | [zlib License](https://spdx.org/licenses/Zlib.html) | http://libharu.org/ | | ||
| | Pango | Improved font selection and rendering (DirectWrite may be used on Windows instead) | [GNU Library General Public License v2 or later](https://spdx.org/licenses/LGPL-2.0-or-later.html) | https://pango.gnome.org/ | | ||
| | GraphicsMagick | `WRasterImage` support (Direct2D may be used on Windows instead) | [MIT License](https://spdx.org/licenses/MIT.html) | http://www.graphicsmagick.org/ | | ||
| | GLEW | Server side rendering for `WGLWidget` (alternative to built-in version) | [BSD 3-Clause "New" or "Revised" License](https://spdx.org/licenses/BSD-3-Clause.html) | http://glew.sourceforge.net/ | | ||
| | SQLite | Wt::Dbo Sqlite backend (alternative to built-in version) | [Public Domain](https://www.sqlite.org/copyright.html) | https://www.sqlite.org | | ||
| | PostgreSQL | Wt::Dbo PostgreSQL backend | [PostgreSQL License](https://spdx.org/licenses/PostgreSQL.html) | https://www.postgresql.org/ | | ||
| | MariaDB Connector/C | Wt::Dbo MySQL backend | [GNU Lesser General Public License v2.1 or later](https://spdx.org/licenses/LGPL-2.1-or-later.html) | https://downloads.mariadb.org/connector-c/ | | ||
| | MySQL Connector/C | Wt::Dbo MySQL backend (alternative) | [GNU General Public License v2.0](https://spdx.org/licenses/GPL-2.0-only.html) or proprietary | https://www.mysql.com/products/connector/ | | ||
| | UnixODBC | Wt::Dbo SQL Server backend on non-Windows | [GNU Lesser General Public License v2.1 or later](https://spdx.org/licenses/LGPL-2.1-or-later.html) | http://www.unixodbc.org/ | | ||
| | Qt | `wtwithqt` example | Multiple licenses | https://www.qt.io/ | | ||
| | libunwind | Stacktrace in exception messages | [MIT License](https://spdx.org/licenses/MIT.html) | https://www.nongnu.org/libunwind/ | | ||
| | TinyMCE | Client side, `WTextEdit` widget | [GNU Lesser General Public License v2.1](https://spdx.org/licenses/LGPL-2.1-only.html) | https://www.tiny.cloud/ | | ||
| | Leaflet | Client side, `WLeafletMap` widget | [BSD 2-Clause "Simplified" License](https://spdx.org/licenses/BSD-2-Clause.html) | https://leafletjs.com/ | | ||
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| ## Appendix: special licenses | ||
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| ### CGI Parser | ||
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| ``` | ||
| Copyright (c) 1993-1999 Steven E. Brenner | ||
| Unpublished work. | ||
| Permission granted to use and modify this library so long as the | ||
| copyright above is maintained, modifications are documented, and | ||
| credit is given for any use of the library. | ||
| ``` | ||
| ### Bcrypt and Blowfish | ||
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| ``` | ||
| Written by Solar Designer <solar at openwall.com> in 1998-2011. | ||
| No copyright is claimed, and the software is hereby placed in the public | ||
| domain. In case this attempt to disclaim copyright and place the software | ||
| in the public domain is deemed null and void, then the software is | ||
| Copyright (c) 1998-2011 Solar Designer and it is hereby released to the | ||
| general public under the following terms: | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted. | ||
| There's ABSOLUTELY NO WARRANTY, express or implied. | ||
| ``` | ||
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| ### passwdqc | ||
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| ``` | ||
| Copyright (c) 2000-2002 by Solar Designer | ||
| Copyright (c) 2008,2009 by Dmitry V. Levin | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted. | ||
| THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| SUCH DAMAGE. | ||
| ``` | ||
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| ### Sha1 | ||
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| ``` | ||
| Copyright (C) 1998, 2009 | ||
| Paul E. Jones <[email protected]> | ||
| All Rights Reserved | ||
| Freeware Public License (FPL) | ||
| This software is licensed as "freeware." Permission to distribute | ||
| this software in source and binary forms, including incorporation | ||
| into other products, is hereby granted without a fee. THIS SOFTWARE | ||
| IS PROVIDED 'AS IS' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, | ||
| INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
| AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHOR SHALL NOT BE HELD | ||
| LIABLE FOR ANY DAMAGES RESULTING FROM THE USE OF THIS SOFTWARE, EITHER | ||
| DIRECTLY OR INDIRECTLY, INCLUDING, BUT NOT LIMITED TO, LOSS OF DATA | ||
| OR DATA BEING RENDERED INACCURATE. | ||
| ``` | ||
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| ### IBPP | ||
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| ``` | ||
| IBPP License v1.1 | ||
| ----------------- | ||
| (C) Copyright 2000-2006 T.I.P. Group S.A. and the IBPP Team (www.ibpp.org) | ||
| Permission is hereby granted, free of charge, to any person or organization | ||
| ("You") obtaining a copy of this software and associated documentation files | ||
| covered by this license (the "Software") to use the Software as part of another | ||
| work; to modify it for that purpose; to publish or distribute it, modified or | ||
| not, for that same purpose; to permit persons to whom the other work using the | ||
| Software is furnished to do so; subject to the following conditions: the above | ||
| copyright notice and this complete and unmodified permission notice shall be | ||
| included in all copies or substantial portions of the Software; You will not | ||
| misrepresent modified versions of the Software as being the original. | ||
| The Software is provided "as is", without warranty of any kind, express or | ||
| implied, including but not limited to the warranties of merchantability, | ||
| fitness for a particular purpose and noninfringement. In no event shall | ||
| the authors or copyright holders be liable for any claim, damages or other | ||
| liability, whether in an action of contract, tort or otherwise, arising from, | ||
| out of or in connection with the software or the use of other dealings in | ||
| the Software. | ||
| ``` |