This is the homepage of XTool, the free, open-source and OS independent file browser. XTool runs on top of Java SE 6 and it has a Swing GUI.
Launch XTool with WebStart from this link: Run XTool
If you don't have Java Web Start installed, you can get it here .
The project is currently under heavy development. It's coming towards beta quality by time. You can still test application abilities from WebStart link.