Vobla - Back up your Linux servers continuously
Platypus - Realtime server monitoring and reporting
Examdiff Pro - It is a simple yet powerful tool that is being used by the professional programmer and developers for the purpose of visual comparison.
OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
Dead Man's Snitch - Monitor Cron Jobs and Windows Scheduled Tasks with ease.
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.