OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
Monitornator - Server monitoring made simple
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...