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

Sonic is a platform that integrates remote control debugging and automated testing of mobile devices, and strives to create a better user experience for global developers and test engineers.

End-to-End Testing & Debugging powered by OpenTelemetry

Next-gen browser to build, test & debug mobile websites.

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

Free browser plugin to measures page load time and displays it in the toolbar.