You'll find here the sources of the programmer.
2001-10-14 ppep-0.1.tar.gz PPEP version 0.1 with GNU/Linux 2.2 driver, programming tool and hardware schematics and files (for Eagle).
2002-03-09 ppep-0.2.tar.gz PPEP version 0.2 with GNU/Linux 2.2 and 2.4 driver, programming tool and hardware schematics and files (for Eagle).