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

Stable: 1.12.8-1 Git Commit: ea9db2e832d2b3edde83d0900dad51c972c592e9

Development: 1.13.3-1 Git Commit: ab450a7afee822c775b6ded82799378e337f0e40

Stable Snapshots (Testing): 1.12.9-0.20140723.1.12.357 Git Commit: 9b2e9281ade4ef82d6c64daf15d8456619335d36

Development Snapshots: 1.13.4-0.20140717.1.12.399 Git Commit: 814f5df64c7652537db61d41f15394bfdf673b2c

Bleeding Edge (Top-Of-Tree Git Snapshots): 1.13.4-0.20140717.1.12.399 Git Commit: 814f5df64c7652537db61d41f15394bfdf673b2c

Obsolete: 1.10.14-1 Git Commit: a3705e8a1a144040d20b38fdd237f52d7b06089e