A PHP project that keeps track of server uptimes and integrates with a SMF forum.
Simple, modern looking server status page with administration and some nice features, that can run even on shared webhosting
A one-page opcache status page
An open source status page system for everyone.
Statuspage is a Lumen package that allows you to easily add a status page to an existing Lumen application or to create a dedicated Lumen status application.
EOL: A Status page for Uptime Reports from UptimeRobot.com
Minecraft Server status display on web page (PC or PE)