Java unlimited redefinition of classes at runtime.
Based on DCEVM (Java HotSpot(TM) VM extension), it provides support for various popular frameworks (Spring,Hibernate, ..).
This project is still in a very early stage, but if you want to try it, check our snapshot release https://github.com/HotswapProjects/HotswapAgent/releases/tag/0.1-SNAPSHOT/. If anything goes wrong, please fill a bug with detail description.