Mist. Browse and use Ðapps on the Ethereum network.
...Client binaries (e.g. geth) specified in clientBinaries.json will be checked during every startup and downloaded if out-of-date, binaries are stored in the config folder. You can pass command-line options directly to Geth by prefixing them with --node- in the command-line invocation.
Luxilla is a runtime/browser that turns XUL (XML User Interface Language) into live windows, dialogs, menus, toolbars and more without requiring a single-line of Java code. Pass on the chrome folder holding your XUL markup and see it come alive.