310 lines
14 KiB
HTML
310 lines
14 KiB
HTML
{% extends "_layout.html" %}
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{% block title %}Licenses{% endblock %}
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{% block content %}<p>
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As required by our
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<a href="how_threatmodel.html">threat model</a> (among other reasons), the
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software developed to support the anonymous communication
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network we call I2P must be freely available, open source,
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and user modifiable. To meet these criteria, we make use of
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a variety of legal and software engineering techniques so
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as to remove as many barriers to entry for those considering
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making use of or contributing to the I2P effort.</p>
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<p>While the information below may be more confusing than just simply
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stating "I2P is BSD", "I2P is GPL", or "I2P is public domain",
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the short answer to the question "How is I2P licensed?" is this:</p>
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<h2>All software bundled in the I2P distributions will allow:</h2>
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<ol>
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<li>use without fee</li>
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<li>use with no restrictions on how, when, where, why, or by whom is running it</li>
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<li>access to the source code without fee</li>
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<li>modifications to the source</li>
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</ol>
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<p>Most of the software guarantees much more - the ability of <b>anyone</b> to
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distribute the modified source however they choose. However, not all of the
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software bundled provides this freedom - the GPL restricts the ability of
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developers who wish to integrate I2P with their own applications that are not
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themselves open source applications. While we applaud the noble goals of
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increasing the resources in the commons, I2P is best served by removing any
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barriers that stand in the way of its adoption - if a developer considering whether
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they can integrate I2P with their application has to stop and check with their lawyer,
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or conduct a code audit to make sure their own source can be released as GPL-compatible,
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we lose out.</p>
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<h2>Component licenses</h2>
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<p>The I2P distribution contains several resources, reflecting the partitioning of
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the source code into components. Each component has its own license, which all
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developers who contribute to it agree to - either by explicitly declaring the release
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of code committed under a license compatible with that component, or by implicitly
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releasing the code committed under the component's primary license. Each of these
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components has a lead developer who has the final say as to what license is compatible
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with the component's primary license, and the I2P project manager has the final say as
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to what licenses meet the above four guarantees for inclusion in the I2P distribution.</p>
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<table border="1">
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<tr>
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<td valign="top" align="left"><b>Component</b></td>
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<td valign="top" align="left"><b>Source path</b></td>
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<td valign="top" align="left"><b>Resource</b></td>
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<td valign="top" align="left"><b>Primary license</b></td>
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<td valign="top" align="left"><b>Alternate licenses</b></td>
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<td valign="top" align="left"><b>Lead developer</b></td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>I2P SDK</b></td>
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<td valign="top" align="left">core</td>
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<td valign="top" align="left">i2p.jar</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">zzz</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>I2P Router</b></td>
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<td valign="top" align="left">router</td>
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<td valign="top" align="left">router.jar</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">zzz</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Ministreaming</b></td>
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<td valign="top" align="left">apps/ministreaming</td>
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<td valign="top" align="left">mstreaming.jar</td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">mihi</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Streaming</b></td>
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<td valign="top" align="left">apps/streaming</td>
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<td valign="top" align="left">streaming.jar</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">zzz</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>I2PTunnel</b></td>
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<td valign="top" align="left">apps/i2ptunnel</td>
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<td valign="top" align="left">i2ptunnel.jar</td>
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<td valign="top" align="left">
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<a href="#java_exception">GPL + exception</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">mihi</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>HTTPTunnel</b></td>
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<td valign="top" align="left">apps/httptunnel</td>
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<td valign="top" align="left">httptunnel.jar</td>
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<td valign="top" align="left">
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<a href="#java_exception">GPL + exception</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">mihi</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b><a href="sam">SAM</a> Bridge</b></td>
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<td valign="top" align="left">apps/sam</td>
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<td valign="top" align="left">sam.jar</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">human</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b><a href="sam">SAM</a> perl library</b></td>
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<td valign="top" align="left">apps/sam/perl</td>
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<td valign="top" align="left">SAM.pm</td>
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<td valign="top" align="left">
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<a href="http://www.perl.com/pub/a/language/misc/Artistic.html">Artistic</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">BrianR</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b><a href="sam">SAM</a> C library</b></td>
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<td valign="top" align="left">apps/sam/c</td>
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<td valign="top" align="left">libSAM</td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">Nightblade</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b><a href="sam">SAM</a> Python library</b></td>
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<td valign="top" align="left">apps/sam/python</td>
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<td valign="top" align="left">i2p.py</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">Connelly</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b><a href="sam">SAM</a> C# library</b></td>
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<td valign="top" align="left">apps/sam/csharp/</td>
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<td valign="top" align="left">n/a</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">smeghead</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Addressbook</b></td>
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<td valign="top" align="left">apps/addressbook</td>
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<td valign="top" align="left">addressbook.war</td>
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<td valign="top" align="left">
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a></td>
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<td valign="top" align="left">Ragnarok</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>I2PSnark</b></td>
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<td valign="top" align="left">apps/i2psnark</td>
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<td valign="top" align="left">i2psnark.jar</td>
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<td valign="top" align="left">
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<a href="#java_exception">GPL + exception</a></td>
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<td valign="top" align="left"> </td>
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<td valign="top" align="left">zzz</td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Susidns</b></td>
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<td valign="top" align="left">apps/susidns</td>
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<td valign="top" align="left">susidns.war</td>
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<td valign="top" align="left">
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<a href="#java_exception">GPL + exception</a></td>
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<td valign="top" align="left"> </td>
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<td valign="top" align="left"> </td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Susimail</b></td>
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<td valign="top" align="left">apps/susimail</td>
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<td valign="top" align="left">susimail.war</td>
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<td valign="top" align="left">
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<a href="#java_exception">GPL + exception</a></td>
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<td valign="top" align="left"> </td>
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<td valign="top" align="left"> </td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Other apps not mentioned</b></td>
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<td valign="top" align="left">apps/</td>
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<td valign="top" align="left">...</td>
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<td valign="top" align="left">
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probably
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a>
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but check the source</td>
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<td valign="top" align="left"> </td>
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<td valign="top" align="left"> </td>
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</tr>
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<tr>
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<td valign="top" align="left"><b>Installer</b></td>
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<td valign="top" align="left">installer</td>
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<td valign="top" align="left">install.jar, guiinstall.jar</td>
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<td valign="top" align="left">
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<a href="http://en.wikipedia.org/wiki/Public_domain">Public domain</a></td>
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<td valign="top" align="left"><a href="#java_exception">GPL + exception</a><br />
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<a href="http://opensource.org/licenses/bsd-license.php">BSD</a><br />
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<a href="http://www.cryptix.org/LICENSE.TXT">Cryptix</a><br />
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<a href="http://opensource.org/licenses/mit-license.html">MIT</a></td>
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<td valign="top" align="left"> </td>
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</tr>
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</table>
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<h3><a id="java_exception">GPL + java exception</a></h3>
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<p>While it may be redundant, just for clarity the
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<a href="http://www.fsf.org/licenses/gpl.html">GPL</a>'ed code included within
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I2PTunnel and other apps must be released under the GPL with an additional "exception"
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explicitly authorizing the use of Java's standard libraries:</p>
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<p><code>In addition, as a special exception, XXXX gives permission to link the
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code of this program with the proprietary Java implementation provided by Sun
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(or other vendors as well), and distribute linked combinations including the
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two. You must obey the GNU General Public License in all respects for all of the
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code used other than the proprietary Java implementation. If you modify this
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file, you may extend this exception to your version of the file, but you are not
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obligated to do so. If you do not wish to do so, delete this exception statement
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from your version.</code></p>
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<p>All source code under each component will by default be licensed under the
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primary license, unless marked otherwise in the code. All of the above is
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summary of the license terms - please see the specific license for the component
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or source code in question for authoritative terms. Component source locations and
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resource packaging may be changed if the repository is reorganized.</p>
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<h2><a id="commit">Commit privileges</h2>
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<p>
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Developers may push changes to a distributed monotone repository if you
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receive permission from the person running that repository.
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See the <a href="monotone.html">Monotone Page</a> for details.
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</p>
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<p>
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However, to have changes included in a release, developers
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must be trusted by the release managers (currently Complication and zzz).
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In addition, they must explicitly agree with the above terms to be trusted.
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That means that they must send one of the release managers a signed message affirming that:</p>
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<ul>
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<li>Unless marked otherwise, all code I commit is implicitly licensed under
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the component's primary license</li>
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<li>If specified in the source, the code may be explicitly licensed under one
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of the component's alternate licenses</li>
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<li>I have the right to release the code they commit under the terms I
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am committing it</li>
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</ul>
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<p>If anyone is aware of any instances where the above conditions are not met,
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please contact the component lead and/or an I2P release manager with further
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information.
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<a href="license-agreements.html">See developers' license agreements</a>.
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</p>
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{% endblock %}
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