The avrboy is command line control software for ATtiny4_5_9_10_20_40Programmer_2.ino
original ATtiny4_5_9_10_20_40Programmer.ino is distributed by Keri DuPrey
The avrboy can be incorporated into Arduino IDE and used.
more info. https://make.kosakalab.com/make/electronic-work/arduino_tpi_en/