Tabbie - The missing tab manager for Chrome
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Snooze Tabby - A simple way to snooze your tabs for later
UptimeRobot - Free Website Uptime Monitoring
Go to Tab - Manage your chrome tabs easily when you're multitasking
UptimeRobot App - Web, SSL, ports & Cron-jobs monitoring