About Ontopia

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  • <P>Ontopia is an open source suite of tools for building applications based on Topic Maps, providing features like an ontology designer, an instance data editor, a full-featured query language, web service access points, database storage, <A href="section.jsp?id=ontopia-the-product" mce_href="section.jsp?id=ontopia-the-product">and so on</A>.</P><P>The product suite is highly mature. Ontopia 1.0 was released in June 2001, and we are now nearing the release of Ontopia 5.1. Ontopia has been in production use in <A href="success.jsp" mce_href="success.jsp">a number of commercial projects on three continents</A> for many years now, and the core engine has been very stable over most of that period.  </P><P>Ontopia is open source and released under <A href="http://www.apache.org/licenses/LICENSE-2.0" mce_href="http://www.apache.org/licenses/LICENSE-2.0">the Apache License 2.0</A>. The entire product is released as open source. There are no proprietary add-ons which are necessary to run it, or to make it suitable for an enterprise setting. Commercial support, however, <A href="services.jsp" mce_href="services.jsp">is available</A>.</P><P>Ontopia is being actively maintained and developed by <A href="http://code.google.com/p/ontopia/people/list" mce_href="http://code.google.com/p/ontopia/people/list">the committers</A> which include two people who have worked on the product for more than a decade, as well as new project participants from Germany, the Netherlands, Belgium, and Norway. The Google Code site has <A href="http://code.google.com/p/ontopia/updates/list" mce_href="http://code.google.com/p/ontopia/updates/list">a live feed of recent activity</A>. </P><H2>Contact </H2><P>To contact the project, please write either to <A href="http://groups.google.com/group/ontopia" mce_href="http://groups.google.com/group/ontopia">the mailing list</A> or to <A href="mailto:support@ontopia.net" mce_href="mailto:support@ontopia.net">Ontopia support</A>.</P>