On this page you will find a link to download the latest and greatest release of RHQ. For installation documentation, see the Installation Guide.
As of Dec 2009, the Jopr project, which added additional plugins for JBoss middleware management to RHQ, has been merged into RHQ.
RHQ 4.5.0 was released on September 27th, 2012 and was pulled as it contained two severe flaws.