Best Infrastructure Monitoring in 2026
Updated
Infrastructure monitoring software helps you keep track of the systems and services that support your applications. Compare deployment models and agentless monitoring, then check OS coverage, included hosts, and metrics retention to understand the scope each option lists. Service monitoring and VM monitoring show which areas are covered; free plans and starting paid prices add cost context. Netdata, Checkmk, and openITCOCKPIT are among the entries to consider. Weigh these details against the hosts, virtual machines, and services you need to observe, as well as how long you want metrics retained.
17 of 20 with known pricing have a free tier;1 of 1 with known code status publish open-source code;1 apps show full bars: free, open, on most devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | CheckmkWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Full bars | 6 of 6 | $275/mo | 8.2 | ||
| 2 | NetdataWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted | Three bars | 6 of 6 | $4.50/mo | 6.7 | ||
| 3 | openITCOCKPITWeb · Windows · Mac · Linux · iPhone · Self-hosted · API | Three bars | 5 of 6 | €0.08/mo | 6.6 | ||
| 4 | Sensu GoWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | 4 of 6 | $3/mo | 6.6 | ||
| 5 | CheckmateWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | 4 of 6 | Free | 6.5 | ||
| 6 | IcingaWeb · Windows · Linux · Self-hosted · API | Three bars | 3 of 6 | $166.67/mo | 6.5 | ||
| 7 | MackerelWeb · Windows · Linux · API | Three bars | 3 of 6 | Free | 6.5 | ||
| 8 | MetricsHubWeb · Windows · Linux · Self-hosted · API | Three bars | 3 of 6 | $15/mo | 6.5 | ||
| 9 | Performance Co-PilotWindows · Mac · Linux · Self-hosted · API | Three bars | 3 of 6 | Free | 6.5 | ||
| 10 | PrometheusWeb · Windows · Mac · Linux · Self-hosted | Three bars | 4 of 6 | Free | 6.5 | ||
| 11 | GyeetaWeb · Linux · Self-hosted · API | Two bars | 2 of 6 | Free | 6.4 | ||
| 12 | MonitMac · Linux · Self-hosted | Two bars | 2 of 6 | Free | 6.4 | ||
| 13 | Nagios XIWeb · Linux · Self-hosted · API | Two bars | 2 of 6 | Free | 6.4 | ||
| 14 | CloudPhysicsWeb | Two bars | 1 of 6 | Free | 6.3 | ||
| 15 | MonitorixLinux · Self-hosted | Two bars | 1 of 6 | Free | 6.3 | ||
| 16 | MuninLinux · Self-hosted · API | Two bars | 1 of 6 | Free | 6.3 | ||
| 17 | XorMonLinux | Two bars | 1 of 6 | Free | 6.3 | ||
| 18 | Site24x7 Server MonitoringWeb · Windows · Linux · Android · iPhone · Self-hosted · API | Two bars | 5 of 6 | $9/mo | 5.7 | ||
| 19 | ZabbixWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | 4 of 6 | 5.6 | |||
| 20 | Google Cloud MonitoringWeb · Windows · Linux · API | Two bars | 3 of 6 | $0.06/mo | 5.5 | ||
| 21 | NetreoWeb · Android · iPhone · Self-hosted | Two bars | 3 of 6 | 5.5 | |||
| 22 | Sematext MonitoringWeb · Windows · Linux | Two bars | 3 of 6 | $2.80/mo | 5.5 | ||
| 23 | eG EnterpriseWeb · Windows · Linux · Self-hosted | Two bars | No | 3 of 6 | $100/mo | 5.1 | |
| 24 | FiveninesWeb · Windows · Linux · API | Two bars | No | 3 of 6 | €15/mo | 5.1 | |
| 25 | LogicMonitorWeb · Windows · Linux · API | Two bars | No | 3 of 6 | $16/mo | 5.1 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Included hosts | VM monitoring |
|---|---|---|---|---|---|---|---|---|
| 1 | Checkmk | 8.2 | Free plan | $275/mo | Yes | Yes | ||
| 2 | Netdata | 6.7 | Free plan | $4.50/mo | Yes | 4.5 /mo | Yes | |
| 3 | openITCOCKPIT | 6.6 | Free plan | €0.08/mo | Yes | |||
| 4 | Sensu Go | 6.6 | Free plan | $3/mo | Yes | 3 /mo | 100 hosts | Yes |
| 5 | Checkmate | 6.5 | Free plan | Free | Yes | Yes | ||
| 6 | Icinga | 6.5 | Free plan | $166.67/mo | Yes | Yes | ||
| 7 | Mackerel | 6.5 | Free plan | Free | Yes | Yes | ||
| 8 | MetricsHub | 6.5 | Free plan | $15/mo | Yes | 15 /mo | Yes | |
| 9 | Performance Co-Pilot | 6.5 | Free plan | Free | Yes | |||
| 10 | Prometheus | 6.5 | Free plan | Free | Yes | |||
| 11 | Gyeeta | 6.4 | Free plan | Free | Yes | |||
| 12 | Monit | 6.4 | Free plan | Free | Yes | Yes | ||
| 13 | Nagios XI | 6.4 | Free plan | Free | Yes | 100 hosts | Yes | |
| 14 | CloudPhysics | 6.3 | Free plan | Free | No | Yes | ||
| 15 | Monitorix | 6.3 | Free plan | Free | Yes | Yes | ||
| 16 | Munin | 6.3 | Free plan | Free | ||||
| 17 | XorMon | 6.3 | Free plan | Free | Yes | Yes | ||
| 18 | Site24x7 Server Monitoring | 5.7 | $9/mo | Yes | 9 /mo | 2 hosts | Yes | |
| 19 | Zabbix | 5.6 | Yes | 50 /mo | Yes | |||
| 20 | Google Cloud Monitoring | 5.5 | $0.06/mo | No | Yes | |||
| 21 | Netreo | 5.5 | Yes | |||||
| 22 | Sematext Monitoring | 5.5 | $2.80/mo | Yes | 2.8 /mo | Yes | ||
| 23 | eG Enterprise | 5.1 | No | $100/mo | No | 100 /mo | ||
| 24 | Fivenines | 5.1 | No | €15/mo | No | Yes | ||
| 25 | LogicMonitor | 5.1 | No | $16/mo | No | 16 /mo | Yes |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.