MigrationWiz - MigrationWiz provides on-demand mailbox migration services through a fully automated cloud-based...
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.
imapsync - Console-based utility for migrating IMAP mailboxes.
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