JRebel is a JVM plugin (-javaagent) that enables you to see changes to your code immediately, without the need to redeploy an application, or perform a container restart. If you want to see your changes so that you can keep going, and save 10–40 mins per day, JRebel is your new best friend.

"We were looking for a good way to improve productivity. JRebel was a quick win." —Arnold Goldberg, LinkedIn