Feenix is a class-reloading tool similar to JRebel
Read the User Guide to find out more.
You can download the Feenix client distribution here. The Feenix Web Start client is no longer available.
Alternatively, you can download the Feenix ear file, which should be deployable to any JEE container. This ear contains a web application, which allows you to start and stop a Feenix listener service. This is useful for remote classloading when the client cannot attach to the VM locally. It also provide a link to download the client.