Licensing

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* [http://www.gnu.org/philosophy/free-sw.html Free software]  - permission for anyone to use, copy, and/or distribute, either verbatim or with modifications, either gratis or for a fee.  
* [http://www.gnu.org/philosophy/free-sw.html Free software]  - permission for anyone to use, copy, and/or distribute, either verbatim or with modifications, either gratis or for a fee.  
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** [http://www.gnu.org/copyleft/gpl.html GPL GNU General Public License] - original example of a free software license; most widely used.
** [http://www.gnu.org/copyleft/gpl.html GPL GNU General Public License] - original example of a free software license; most widely used.
** [http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0]
** [http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0]
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** [http://www.developer-resource.com/sample-eula.htm Generic EULA]
** [http://www.developer-resource.com/sample-eula.htm Generic EULA]
** [http://www.microsoft.com/windowsxp/eula/home.mspx Windows XP Home Edition EULA]
** [http://www.microsoft.com/windowsxp/eula/home.mspx Windows XP Home Edition EULA]
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* Freeware - generally refers to software that is distributed free-of-charge, usually in binary.  Not the same as ''free software''.
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* Shareware - allows users to share applications with others, but it does not include the source code and usually requires users to pay a fee if they continue using it.

Revision as of 13:31, 19 April 2010

  • Copyleft software - free software whose derivatives and copies must also be distributed as free software.
  • Non-copyleft free software - Free software whose license allows derivatives to be turned into proprietary software.
  • Open source software - more or less the same collection of programs as free software with some exceptions.
  • Freeware - generally refers to software that is distributed free-of-charge, usually in binary. Not the same as free software.
  • Shareware - allows users to share applications with others, but it does not include the source code and usually requires users to pay a fee if they continue using it.