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OpenNMS vs VIAVI Observer
People
Price
Published entry price
$500+per month
Network Monitoring
Annual estimate10 people, entry price
$6,000+
Flat rate
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Network Monitoring
Overview
Focus
Network Monitoring
Network Monitoring
Product
OpenNMS is an open-source enterprise-grade network monitoring platform designed for large-scale, distributed network environments with fault and performance management.
Enterprise network performance monitoring and diagnostics platform.
Headquarters
Apex, North Carolina
Chandler, Arizona
Company size
51-200 employees
1,001-5,000 employees
Founded
2002
1923
Pricing details
Plan
Published entry price
Published rate
$500+ / month
Billable seats
Flat rate
Free options
Free plan
Free trial
Pricing source
Source updated
Oct 29, 2026
Oct 29, 2026