Meticulous monitors your daily interactions with your application as you develop it

Datadog is a cloud-based monitoring and analytics platform that provides observability and security for cloud-scale applications

Code, test, and deploy synthetic monitoring at scale.

Percy is a visual testing and monitoring tool that focuses on detecting visual changes in web applications

LangSmith Observability gives you complete visibility into agent behavior with tracing, real-time monitoring, alerting, and high-level insights into usage.

A browser extension and Ruby gem to improve the debugging experience when testing Rails applications