Suprvise is a real-time health monitoring and errors tracking dashboard.
Indatus - Indatus – A Creative Editor Making Your Photos Gorgeous an all-in-one photo-editing application developed by Thang Dinh.
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.
ClearStatus - Create your professional status page in minutes, free.
Monitority - Simple website monitoring service (sms/email alerts)
Freshworks - Delight your customers, from wherever you are
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting