cmardone of Valpoder wrote an article on hacking the GTP USB LITE usb pic programmer, we wrote about it previously:
GTP USB LITE is a pic programmer based on the pic18F2550 disgned by SISPIC from spain
A lot of people built this circuit , and it became obsolete..
The firmware has several limitations(ex: driver only for xp) so i decided to hack firmware…GOOD NEWS
-Now it runs in windows, linux and mac .
-firmware is opensource..
Via the forum.