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

Stable: 1.12.9-2 Git Commit: 921c71c9b9069f4fcecb31b0726ce822e57b11ee

Development: 1.13.4-1 Git Commit: 2068361c3ad3db3a7f4f771f828f6eb54e8cbf50

Stable Snapshots (Testing): 1.12.10-0.20141029.1.12.433 Git Commit: 936c7d6b50213f93b5404356a8020eae1d7313d0

Development Snapshots: 14.0.0-0.20141031.rc.stable.1.14.0.118 Git Commit: d1c40eb9d389bb8000d7434cdef25c18260421c3

Bleeding Edge (Top-Of-Tree Git Snapshots): 15.0.0-0.20141029.develop.50 Git Commit: 6e185f3d8466ccfd8cb3ad22092caf39ec35da08

Obsolete: 1.10.14-1 Git Commit: a3705e8a1a144040d20b38fdd237f52d7b06089e