SBT also does hot deployment for Java and Scala projects [1]. Just start the server with the directive: $> sbt container:start "~compile" "~compile" tells it

SBT also does hot deployment for Java and Scala projects [1]. Just start the server with the directive: $> sbt container:start "~compile" "~compile" tells it to scan your project directories every .5s (configurable) for saved changes and recompile only the changed files. It's pretty sweet, and unlike Jrebel, fFOSS. 1. https://github.com/harrah/xsbt/wiki/Triggered-Execution https://github.com/harrah/xsbt/wiki/Triggered-Execution