GNU Atmel is project which goal is to write sources usable in Linux with PAtmel hardware.
GNU Atmel is software which will allow program AT89Cx051 (AT89C1051, AT89C2051, AT89C4051)
It use PAtmel hardware which was originally designed by David Hofr. You can download schematic, pcb and board of the programer and programer software for DOS/Win from author page http://www.volny.cz/d72/.
Photo of PAtmel programer
There are local copies of: