Reminder - A better way to keep track of your reminders 📝
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Wonder - Your personal research assistant
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Later Reminders - Super simple way to schedule reminders on your phone
Better Uptime - We call you when your website goes down