Opsgrid

Opsgrid receives metrics from Telegraf (an open source server agent), handles alerting, then writes rows to a Google Sheet per host.

2.9 on average

HetrixTools

Uptime Monitor Service

Website Monitoring Tool

HetrixTools offers minute-by-minute global uptime monitoring with 15 free monitors, blacklist alerts for IPs and domains, and server resource tracking. Features a user-friendly design, public uptime pages, white label reports, and continuous updates for enhanced functionality.

5 on average