The programmer of very small microcontrollers: ATtiny4/5/9/10/20 and 40 from Arduino board.
You find whole info regarding the programmer. There are tutorial “how to upload the code”, GUI software and also schematic of programmer.
Link to website https://junkplusarduino.blogspot.cz/p/attiny10-resources.html
In case that the website will be deleted, here is *.ino file for Arduino board and the GUI software is here.
Schematic:
Software:
