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

Create automatic monitors for detecting and scanning changes on web pages, evaluate content based on conditions you define and trigger actions such as notifications, sounds, emails etc.

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.

Vigil is an open-source Status Page you can host on your infrastructure, used to monitor all your servers and apps, and visible to your users.

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.

Radically better observability stack