Crescendo is an awesome clicky ramping firmware written by ToyKeeper. Firmware source code is available here.
This firmware features infinite smooth ramping, quick turbo access, and thermal throttling, among a host of other features.
The general user interface is described below:
The currrent MTN Electronics special mode configuration is as follows:
If you get the chance, please let ToyKeeper know how much you appreciate all of her hard work on this and the many other awesome firmwares she has contributed to!