Monitornator - Server monitoring made simple

OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.

NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.

Healthy Servers - Making server monitoring easy

Server Monitoring - A server monitor is a tool that monitors your server and website on close intervals and reports to you if it's inaccessible.

PING - PING (Partimage Is Not Ghost) is a free software Linux-based live CD ISO built upon the partimage...