ebFinger, aka Personal Web Discovery.
i.e. We're bringing back the finger protocol, but using HTTP this time.
These two guys, Alexis and Dmitry, invented a time machine. They went forward 10 years, brought back CSS 4.0 and called it LESS. It's universally awesome and you can read about it here. This app makes working with LESS a snap by turning it into a graphical interface.