OpenNMS vs Prometheus Comparison
OpenNMS
Starting at Contact for pricing
- Large Enterprises
- Medium Business
OpenNMS is a complete network management system written in Java. It consists of a web-based frontend, a powerful monitoring core, and a suite of integrated applications to help manage the network. It has packaged the cor…
Prometheus
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Prometheus - A software application for data management and integration. Prometheus is a Web-based, multi-user solution for data import, cleaning, transformation and load. It includes a data warehouse, business intellige…
Prometheus leads on user satisfaction with a 4.4-star rating across 67 reviews.
OpenNMS vs Prometheus — at a glance
| Feature | OpenNMS | Prometheus |
|---|---|---|
| Rating | — | 4.4 / 5 |
| Reviews | — | 67 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | No | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Network Monitoring Software | Database Management Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | — | — |
| Support modes | 24/7 (Live rep), Online | Online |
| Certifications | — | — |
| Data residency | Global | Global |
Key differences between OpenNMS and Prometheus
- Deployment: OpenNMS supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Prometheus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
OpenNMS vs Prometheus — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Network Monitoring Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Large Enterprises, Medium Business, Small Business
Large Enterprises, Medium Business, Small Business
OpenNMS typically suits Large Enterprises and Medium Business. Prometheus tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | OpenNMS is a complete network management system written in Java. It consists of a web-based frontend, a powerful monitoring core, and a suite of integrated applications to help manage the ... Read More about OpenNMS | Prometheus - A software application for data management and integration. Prometheus is a Web-based, multi-user solution for data import, cleaning, transformation and load. It includes a ... Read More about Prometheus |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 7.2/10 | Not Available |
User RatingsBased on verified Spotsaas reviews | ||
Get pricing help | Get pricing help |
Software Demo
Demo |  Prometheus has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do OpenNMS and Prometheus Compare on Features?
Total Features | 1 Features | 3 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare OpenNMS and Prometheus on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
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Pricing Page |  | Pricing information not available |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | ✗ No |
|---|---|---|
Data Residency | 🌐 Global | 🌐 Global |
OpenNMS User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is positive across 31 reviews, with strong overall satisfaction. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers | No Customers information available. |  Amadeus |
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Media and Screenshots
Screenshots | No screenshots available. |  4 Screenshots |
|---|---|---|
Videos |  2 Videos | No videos available. |
Top Alternatives to OpenNMS and Prometheus in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, OpenNMS or Prometheus?
- Prometheus edges out the other on user ratings (4.4 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do OpenNMS and Prometheus offer a free trial?
- Neither OpenNMS nor Prometheus currently lists a free trial.
- What is the starting price of OpenNMS vs Prometheus?
- OpenNMS starts at Contact for pricing. Prometheus starts at Contact for pricing.
- What are the top alternatives to OpenNMS?
- Top alternatives to OpenNMS include SolarWinds RMM, Nagios XI, Zabbix, PRTG Network Monitor, Nagios Network Analyzer.
- What are the top alternatives to Prometheus?
- Top alternatives to Prometheus include Zabbix, Grafana, New Relic Alerts, DatabaseLog, Splunk Enterprise.