The Forrestbar is a toolbar made for Mozilla (and Phoenix compatible) that eases the navigation of Apache projects and resources, and to the local Forrest running on your machine.
To install the latest nightly version brought to you by Gump in Mozilla or Phoenix, just click on the Gump-nightly Forrestbar XPI Install link or download it from here and drop it on a mozilla window.
To get the latest and greates version run the forrestbar target of the Forrest build.