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<html><head><metahttp-equiv="Content-Type"content="text/html; charset=UTF-8"><title>Software license</title><linkrel="stylesheet"type="text/css"href="manual.css"><metaname="generator"content="DocBook XSL Stylesheets V1.76.0"><linkrel="home"href="index.html"title="JpGraph Manual"><linkrel="up"href="ch01.html"title="Chapter1.About the library"></head><bodybgcolor="white"text="black"link="#0000FF"vlink="#840084"alink="#0000FF"><divclass="navheader"><tablewidth="100%"summary="Navigation header"><tr><thcolspan="3"align="center">Software license</th></tr><tr><tdwidth="20%"align="left"></td><thwidth="60%"align="center">Chapter1.About the library</th><tdwidth="20%"align="right"></td></tr></table><hr></div><divclass="sect1"title="Software license"><divclass="titlepage"><div><div><h2class="title"style="clear: both"><aname="id2472306"></a>Software license</h2></div></div></div>
<p>JpGraph is released under a dual license. For non-commercial usage the library is
released under QPL 1.0 (Qt-License) and for professional use it is released under
the JpGraph Professional License. See <aclass="xref"href="apb.html"title="AppendixB.JpGraph Professional License">AppendixB.<i>JpGraph Professional License</i></a> for more details regarding the exact wording of
the license. The goal the license have is to be simple, fair and help recover some
of the development cost and hosting services that the library development brings
with it.</p>
<p>Broadly speaking commercial use is defined as</p>
<p>a) The library is included as an integral part of a product that is sold with a
cost that exceeds the cost of the distribution medium. </p>
<p>b) The library is offered as a WEB service for a fee </p>
<p>c) The library is used in an intranet in a company with more than 2
employees</p>
<p>One license entitles the user to install the library on one single physical
machine which may run one or several logical servers. In addition it also entitles
the license holder to install one version of the library on a separate development
server. The professional license is perpetual and is valid for one major
