There are two distributions of Nexus: Nexus Open Source and Nexus Professional. Nexus Open Source is a fully-featured repository manager which can be freely used, customized, and distributed under the Eclipse Public License (EPL) Version 1. Nexus Professional is a distribution of Nexus with features that are relevant to large enterprises and organizations which require complex procurement and staging work-flows in addition to more advanced LDAP integration, Atlassian Crowd support, and other development infrastructure. The differences between Nexus Open Source and Nexus Professional are explored in the previous chapter.
To download Nexus Open Source go to http://nexus.sonatype.org/nexus/go and download the latest Nexus Open Source distribution by clicking on the appropriate button for a ZIP or a Gzip TAR archive (TGZ) shown in Figure 3.1, “Downloading Nexus Open Source”. Your download will be file named nexus-2.0-bundle.zip or nexus-2.0-bundle.tar.gz
Older versions can be downloaded following the link at the bottom of Figure 3.1, “Downloading Nexus Open Source” and selecting a version and archive type in the page displayed in Figure 3.2, “Selecting the Nexus Open Source Distribution Download”.
Nexus Open Source can also be deployed as a web application in a servlet container like Jetty or Tomcat or an application server like Glassfish or JBoss. Instructions for installing Nexus as a WAR are found in Section 3.9, “Installing the Nexus WAR”.
To download Nexus Professional, go to the Nexus Trial evaluation form.
Fill out the form and then check your email account for download instructions. After filling out a brief contact form and agreeing to the evaluation license, you will be sent an email with a link to download the Nexus Professional distribution. Nexus is available as archive files nexus-professional-2.0-bundle.zip and nexus-professional-2.0-bundle.tar.gz.
