Toby - Better Than Bookmarks
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Robodash - Cron and uptime monitoring dashboard
Snooze Tabby - A simple way to snooze your tabs for later
UptimeRobot App - Web, SSL, ports & Cron-jobs monitoring
Go to Tab - Manage your chrome tabs easily when you're multitasking