Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
SafeBase - SafeBase is the interactive security portal to share your security posture, automate access to sensitive compliance information, and subscribe to vendor security program updates.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
The Security Checklist - The Practical Security Checklist for Web Developers
Zabbix - Track, record, alert and visualize performance and availability of IT resources
WordPress Security Scanner - Check if your WordPress site has known vulnerabilities