USBasp is OpenSource, it's free! Like it? You can support via PayPal: USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega88 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed. Features Works under multiple platforms. Linux, Mac OS X and Windows are tested. No special cont