Horizon
Free
Community distribution · Releases early and often · Features may not all be production-ready
Checked 7 Oct 2026
Plans and prices
OpenNMS pricing
Basic
$6,000 a year
2 Meridian Cores · Meridian Core Repository
Checked 7 Oct 2026
Standard
$12,000 a year
2 Meridian Cores · Up to 1000 Devices · Meridian Core Repository
Checked 7 Oct 2026
Essential
$49,000 a year
Up to 2 Meridian Cores and 10 Minions · Meridian Core and Minion Repository
Checked 7 Oct 2026
Premier
$66,000 a year
Up to 4 Meridian Cores and 25 Minions · Meridian Core, Minion, and Sentinel Repository
Checked 7 Oct 2026
Premier+
Priced on request
More than 4 Meridian Cores and more than 25 Minions · Core, Minion, and Sentinel Repository plus container images
Checked 7 Oct 2026