PagerDuty - Cloud based monitoring service
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
VictorOps - We make on-call suck less & help teams to solve problems faster.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.