Java 8 Development Kit (JDK) - the repository manager is a Java server application. As explained in System Requirements, we strongly recommend using Java 8 to ensure effective runtime of Nexus Repository Manager 3.
Apache Maven - when downloaded, Nexus Repository Manager 3 includes access to open source components from the Central Repository by default. These components are defined by both a
settings.xmlfile and POMs which maintain information on projects and dependencies.
npm - a popular format supported by the repository manager. Unlike Maven, Nexus Repository Manager 3 doesn’t currently ship with a default npm repository configuration. These components are configured with an