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<html>
<head>
  <title>Open Source Licenses</title>
</head>
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<table width="100%">
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    <td align="left"><h2>Open Source Licenses</h2></td>
    <td align="right">
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<blockquote>

  There are several stock Open Source Licenses, and variations of
  these licenses are used by different organizations.

  <h4>GPL</h4>

  <ul>

    <li>GNU Public License created and updated by the Free Software
        Foundation</li>

    <li>CopyLeft vs. Copyright</li>

    <li>Forces all distributed derivative works to be Open Source
        under GPL (often called viral licensing)</li>

  </ul>

  <h4>LGPL</h4>

  <ul>

     <li>Lesser GPL, formerly Library GPL</li>

     <li>All alterations to the code itself must be released under the
         LGPL (bug fixes, new features, etc)</li>
  
     <li>Commonly used for libraries, all code linking to the code can
         be released under any license.</li>

   </ul>

   <h4>BSD Licenses</h4>

   <ul>

     <li>Created by the University of California</li>

     <li>User is free to do whatever they want to do with code, and
         can redistribute the code under any license.</li>

     <li>Early Windows TCP/IP stack was a variation on BSD code</li>

     <li>Formerly had advertising clause which had to be put in source
         code comments.</li>

   </ul>

   <h4>Apache License</h4>

   <ul>

      <li>Extension of the BSD License used by all products developed
          by the Apache Foundation</li>

      <li>Cannot use the Apache name, or advertise that the product
          uses Apache software without express permission</li>

   </ul>

   


</blockquote>

</font>

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  <td align="left" width="5%"><a
  href="mailto:tristancohen@yahoo.com">tristancohen@yahoo.com</a></td>

  <td align="center" width="90%">$Id: slide-6.html,v 1.2 2003/05/05 07:29:23 tristan Exp $</td>

  <td align="right" width="5%"><a href="slide-comments.html#6a">Comments</a></td>
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by admin — last modified 2003-05-05 10:26
 

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