Gmvault - Backup the emails in your Gmail account.
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.
Datto Backupify - Protect your business with backup.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Better Uptime - We call you when your website goes down