Resources:
gedasymbols.org, gEDA symbol/PCB footprint library
IBM IC Part number list
Tools and helpers:
kbdbabel_8749_reader_8051.asm quick hack MCS-48 8748/8749 EPROM reader using an MCS-51 (output via serial line 9600bps 8N1)
bla_serial_terminal.c serial line data receiver. Usage: $ ./bla_serial_terminal > romdump.bin #, then press the reset button on the kbdbabel_8749_reader_8051 and wait for some seconds, then press ^X
not keyboard related:
misc radiation measurement stuff
rgm3800-client.c command line reader and configuration program for the Royaltec RGM-3800 and RBT-2300 GPS tracker