What is the difference between RHQ, Jopr and JON?
RHQ is an extensible management platform and is the core engine of Jopr and is where the vast majority of the code within Jopr originates from. RHQ is the main upstream project to both JON and Jopr. RHQ is licensed as a fully open-sourced project. RHQ is where some of the base plugins that are deployed within Jopr come from (e.g. the JMX plugin, the RHQ Agent plugin, the platform plugin, et. al.). Jopr is the open source project that JON is based on (i.e. Jopr is upstream to JON). Jopr contains JBoss middleware specific plugins, such as the JBossAS plugin, Tomcat plugin, et. al. Jopr follows the same licensing agreement as the RHQ project. JON (aka “JBoss Operations Network” or “JBoss ON”) is a commercial product offered to Red Hat customers and is a fully tested, QA’ed and certified distribution of the open-source Jopr project. Out of the three projects mentioned here (RHQ, Jopr, JON), JON is the only one officially supported by Red Hat. Note that an older version of JON (version 1.x)
