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JRebel is a small JVM-plugin that makes it possible for Java developers to instantly see any code change made to an app without redeploying. JRebel lets you see code changes instantly, versioning classes and resources individually and updating one at a time instead of as a lump application redeploy.

When developers make a change to any class or resource in their IDE, the change is immediately reflected in the deployed application, skipping the build and redeploy phases and preventing an average of 5.25 work weeks per year in redeploys! JRebel works as a plug-in for Eclipse, IntelliJ, NetBeans, STS, RAD and MyEclipse, plus it is compatible with several application servers. You can even use JRebel to develop your apps in cloud environments with the suitable performance speed. The plugin sends only the compiled code modifications across servers so that you do not need to restart the process at the remote location.