The commercial versions can be found here:
PCTx - http://www.endurance-rc.com/pctx.php
HR PCTx - http://www.endurance-rc.com/pctx.php
25 Servo Controller - http://www.endurance-rc.com/controllers.php#tfservo
AnalogReader - http://www.endurance-rc.com/analogreader.php
This bootloader is found on above Endurance R/C devices. Requires Device Circuit, MPLAB, a PIC18F4550 compatible programmer and usage hardware.
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