From OpenNMS

Download the latest OpenNMS

• Released versions
  • Stable: 1.8.17
    • Download: source, binaries
    • Release Notes: HTML
    • Quick Start: [ RPM | Deb | Mac OS X | Win ]
  • Development: 1.9.93
    • Download: source, binaries
    • Release Notes: HTML
    • Quick Start: [ RPM | Deb | Mac OS X | Win ]
• Nightly snapshots
  • Future Stable: 1.8.18-SNAPSHOT
    • Download: ZIP and source, YUM, Debian
    • Quick Start: [ RPM | Debian ]
  • Development (trunk): 1.9.94-SNAPSHOT
    • Download: ZIP and source, YUM, Debian
    • Quick Start: [ RPM | Debian ]

For more information on installation and configuration, see Getting Started.