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Zimbra Third Party Licenses, Version 2.1

The Zimbra Collaboration Suite (ZCS) includes several best-of-breed open source software technologies—projects that are crucial to Zimbra's operation and quality, both for the Open Source and Network Editions. For all such bundled technologies, the Zimbra team is committed to providing future updates, and for the ZCS Network Edition, Zimbra also provides additional quality assurance, product support, patches, and so on.

Third Party License Third-party open source software included within the Zimbra Collaboration Suite
Academic Free LicenseDojo
Apache 1.1 StyleCyberNeko HTML Parser
Apache 2.0Xerces, Tomcat, SpamAssassin, mina, lucene, log4j, joda, jml, Jetty, James jSieve, Jakarta Taglibs, Jakarta ORO, Jakarta Commons Libraries, cindy, Apache HTTPD, Apache Derby
BSDYahoo User Interface Library, tcmalloc, SoundManager2, pcre, libvent, JavaScript MD5, Java.net Tag Library Document Generator
BSD Stylezlib, TinyLine GZIPInputStream, RSA MD4, OpenSSL, nginx, net-snmp, memcached, kxml2, jzlib, joscar, jaxen, iCal4j, Heimdal, gifencoder, Ganymed SSH-2 for Java, dom4j, cyrus-sasl
CDDLJavaMail
FreeTypefreetype2
GPLSwatch, rrdtool, perdition, MySQL Connector/j, MySQL, mrtg, Dspam, ClamAV, amavisd-new
IBM Public LicensePostfix
LGPLjfreechart, jcommon, aspell
MITlibxml2, IconFamily, CLDR, AMViewAnimation
MIT StyleXP XML, slf4j, popt, JSON, expat, cURL, bouncy castle
MPLRhino, libical
OpenLDAP Public LicenseOpenLDAP
PHP Licensephp
Perl ArtisticCPAN Perl Libraries, address.pm
Public Domainxpp3, nist-sip, JainSipApi, Concurrent
SPLSleepyCat
Sun/Java*JSP JSTL, JNDI (now part of J2SE), JDK, Java Activation Framework (JAF)

*These Java technologies have not yet been made available under an open source license, but Sun has announced their intent to do so. Moreover, if your organization is using Java today, then you are likely doing so under these licenses.