
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.
Sysmos is presented for small teams, with its Free plan intended for solo developers and personal projects. It suits teams needing API checks alongside Linux server monitoring and alert routing.