Suprvise is a real-time health monitoring and errors tracking dashboard.
StatusPage Generator - Host your status page on GitHub
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.
Indatus - Indatus – A Creative Editor Making Your Photos Gorgeous an all-in-one photo-editing application developed by Thang Dinh.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
Monitority - Simple website monitoring service (sms/email alerts)