Domotz vs OpenNMS Horizon
Side-by-side comparison of features, pricing, ratings, and alternatives.
Domotz is a network monitoring and remote management platform aimed at managed service providers and internal IT teams. It uses lightweight collectors (software or hardware) to automatically discover devices on a network by MAC address, then continuously tracks device health and raises real-time alerts when something goes down or behaves abnormally. The platform layers in remote device management and diagnostics so technicians can troubleshoot issues without an on-site visit, and it exposes 40+ tools for agent-based/automated workflows alongside integrations for common MSP tooling like Autotask/Datto, ConnectWise, HaloPSA, Hudu, ServiceNow, Slack, Syncro, and Microsoft Teams. Domotz reports SOC 2 Type II and ISO 27001 certification and cites over 3,600 customers monitoring more than 40,000 networks.
OpenNMS Horizon is an open-source network management platform that provides fault, performance, and availability monitoring for large, heterogeneous networks. It offers a flexible, modular architecture that can be customized to fit the needs of service providers, enterprises, and research institutions. The platform includes a powerful event engine, customizable dashboards, and extensive reporting capabilities, all backed by a robust API for integration with third‑party tools. Horizon is community‑driven and can be deployed on‑premises or in private clouds, giving organizations full control over their monitoring data.
- Automatic MAC-address-based device discovery reduces manual network mapping
- Deep integrations with widely used MSP/PSA tools
- Offers both per-collector and per-device pricing models to fit different network sizes
- SOC 2 Type II and ISO 27001 certified
- Completely free and open-source
- Highly extensible via plugins and APIs
- Scales to monitor tens of thousands of devices
- Strong community support and documentation
- Pricing can scale up quickly for larger, multi-site networks
- Geared heavily toward MSP workflows, which may be more than a single-site business needs
- Requires deploying a collector (software or hardware) rather than being fully agentless
- Steeper learning curve for initial setup
- Limited commercial support options
- User interface can feel dated compared to newer SaaS tools
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The Verdict
AI-generated from listing dataDomotz offers a managed, MSP‑focused SaaS with built‑in security certifications but costs money; OpenNMS Horizon is free, self‑hosted, and highly extensible but requires more setup effort.
Key differences
- •Domotz is a paid SaaS with per‑collector/device pricing; OpenNMS Horizon is free and self‑hosted.
- •Domotz provides out‑of‑the‑box MSP/PSA integrations (Autotask, ConnectWise, etc.); OpenNMS relies on custom plugins/APIs for integration.
- •Domotz includes a cloud‑managed collector architecture; OpenNMS requires you to deploy pollers/collectors yourself.
- •Domotz has SOC 2 Type II and ISO 27001 certifications; OpenNMS has no listed security certifications.
- •Domotz targets MSPs and small‑to‑mid‑size networks; OpenNMS is built for enterprise‑scale, thousands‑of‑device environments.
Pricing & value
OpenNMS Horizon is free; Domotz requires a subscription that can scale up quickly for larger networks.
Ease of use / learning curve
Domotz offers a cloud SaaS with a 14‑day trial; OpenNMS needs self‑hosting and has a steeper initial setup.
Features & depth
Both provide device discovery and alerts; Domotz adds remote management tools, OpenNMS adds extensive SNMP/JMX/HTTP polling and statistical thresholds.
Integrations & ecosystem
Domotz lists deep integrations with major MSP/PSA platforms; OpenNMS has limited out‑of‑the‑box integrations, relying on APIs.
Scalability
OpenNMS supports distributed pollers for tens of thousands of devices; Domotz is geared toward MSP workflows and may cost more at scale.
Support
Domotz provides a trial and presumably vendor support; OpenNMS only offers community forums and optional commercial support.
Security & privacy
Domotz holds SOC 2 Type II and ISO 27001 certifications; OpenNMS has no specified security certifications.
Choose Domotz if…
MSPs or IT teams needing quick, secure SaaS monitoring with built‑in PSA integrations and willing to pay subscription fees.
Choose OpenNMS Horizon if…
Enterprises or service providers that can self‑host, need zero‑cost monitoring at massive scale, and have resources to manage setup.
Common questions
What are the cost differences?
Domotz is a paid subscription with per‑collector/device pricing; OpenNMS Horizon is free open‑source.
Which solution is easier to start using?
Domotz offers a cloud SaaS with a 14‑day free trial, while OpenNMS requires self‑hosting and has a steeper learning curve.
Do either solutions have security certifications?
Domotz holds SOC 2 Type II and ISO 27001; OpenNMS Horizon has no listed security certifications.