Freshping + Freshstatus Integration - Create incidents instantly when Freshping reports downtime
WebGazer - Monitor your website's availability with WebGazer, review its performance and get instant notifications when your website goes down. No installation required and free plan available.
Sorry App - Turn outages into opportunities
Oh Dear! - Website monitoring, without the hassle
Freshworks - Delight your customers, from wherever you are
updown.io - updown.io is a HTTP(S)/TCP/ICMP monitoring service which checks periodically the URL you want and reports back any anomaly.