OpenNMS is available for most RPM-based distributions through Yum. Quick-start instructions are available on the OpenNMS wiki here.

Stable (current version: 1.10.2-1)

Development (current version: 1.11.0-1)

Stable Snapshots (Testing) (current version: 1.10.3-0.20120516.1)

Development Snapshots (current version: 1.11.1-0.20120516.1)

Bleeding Edge (Top-Of-Tree Git Snapshots) (current version: 1.11.1-0.20120516.1)

Obsolete (current version: 1.8.17-1)