New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software.
Also, server monitoring, and more.
Zola : A fast static site generator in a single binary with everything built-in.
Keel : Kubernetes Operator to automate Helm, DaemonSet, StatefulSet & Deployment updates
TrackingTheTrackers.com : A free analysis tool to check if a website is disguising third-party trackers as first-party trackers.
SeaLion : View raw output for critical events across servers. SeaLion gives you a graphical overview of server activity. View performance of system/custom metri...
Free open source web page change detection. Simply monitor which websites had a text change.