Network management platform for fault and performance monitoring at scale; Horizon is the open source edition and Meridian the supported one.
Pricing and hosting
- Pricing
- Free plan
- Open source
- Yes (AGPL-3.0)
- Self-hosted
- Yes
- Launched
- 1999
- Status
- Active
- Website
- opennms.com
Plans and prices change; check the tool's own site before you decide.
What it does
Network monitoring checklist
8 of 10 confirmed in OpenNMS's own documentation. The same checklist is used for every tool in Network.
- SNMP polling Yes
- Flow analysis Yes
- Device discovery Yes
- Topology maps Yes
- Latency and path Yes
- Bandwidth graphs Yes
- Syslog and traps Yes
- Configuration backup Not confirmed
- Alerting Yes
- Wireless Not confirmed
Checked against: github.com, opennms.com
Server and infrastructure monitoring checklist
8 of 10 confirmed in OpenNMS's own documentation. The same checklist is used for every tool in Infrastructure.
- Host agent Not confirmed
- Agentless checks Yes
- Windows hosts Yes
- Auto-discovery Yes
- Process and service checks Yes
- Log collection Yes
- Containers Not confirmed
- Alerting with notifications Yes
- Dashboards Yes
- Plugins or integrations Yes
Agentless by design (SNMP, WinRM, JMX, etc.); no own host agent described.
Checked against: github.com, opennms.com
Alternatives to OpenNMS
Other network monitoring tools. See all 29.
-
Akvorado Flow collector and visualizer that receives NetFlow, IPFIX and sFlow, enriches flows with interface and routing data, stores them in ClickHouse and shows them in a web UI. -
Auvik Cloud-managed network monitoring that discovers and maps switches, routers and firewalls, tracks traffic and alerts on device problems. -
Cacti Network graphing tool built on RRDtool: polls devices over SNMP or scripts and draws long-term graphs of traffic and system metrics. -
Checkmk Infrastructure monitoring for servers, networks, cloud and containers with automatic service discovery; the base edition is open source and paid editions add more. -
Domotz Remote network monitoring for MSPs and IT teams: a collector on each site discovers devices and alerts on outages and SNMP metrics. -
ElastiFlow Flow and SNMP collector that ships network flow records to Elasticsearch, OpenSearch and other stores, with ready-made dashboards and security detections. -
Kentik Network observability SaaS that analyzes flow, BGP and device data to show traffic, performance problems and DDoS attacks. -
LibreNMS Network monitoring system with automatic SNMP discovery, graphs and alerting, supporting a long list of network hardware vendors. -
ManageEngine OpManager On-premises network and server monitoring for routers, switches, firewalls, Windows and Linux hosts and virtual machines. -
NetAlertX Self-hosted scanner that discovers devices on your network and alerts when new, unknown or offline devices appear. -
NetCrunch AdRem Software's agentless network monitoring system for devices, servers and services over SNMP, WMI and other protocols, with maps, dashboards and alerting. -
NetXMS Network and infrastructure management system with SNMP discovery, network maps, server agents and event correlation; an Enterprise edition adds support and features.