
Dotcom-Monitor
8.3#1 in website monitoring softwareFrom $13.33 a monthFree planAndroidiOSWebAPI
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Dotcom-Monitor suits teams that need website or server monitoring, keyword checks, or SSL expiry alerts across multiple targets. Its free plan is an option for those who can work within its listed target, location, alert, and retention limits; larger monitoring needs can look at subscription or enterprise plans.
Metric Tower suits teams that need security scanning, operational monitoring, alerting, phishing exercises, and incident workflows in one platform. It also fits organizations wanting API access or Docker Compose self-hosting.