cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
bosh : BOSH is an open source tool for release engineering, deployment, lifecycle management, and monitoring of distributed systems.
LibreNMS : A fully featured network monitoring system that provides a wealth of features and device support.
New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software.
Also, server monitoring, and more.
mmm.page : Dead simple, drag & drop personal websites.
Free open source web page change detection. Simply monitor which websites had a text change.
