Apps Related to Uptime Monitoring

PHP Server Monitor is an open-source, self-hosted tool for monitoring server and website availability and performance. It provides essential monitoring features, including uptime checks, website status, and various service monitoring, all from a centralized web interface.

Zabbix is a robust enterprise-class open-source solution for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines, and network devices. It provides a highly flexible and scalable platform for comprehensive IT infrastructure monitoring.

Conky is a highly configurable, lightweight system monitor that displays system information directly on your desktop. It is known for its extensibility and ability to show a wide range of data.