Also of Interest:
I2C
: Chips, Modules, I2C-USB/RS232 Host Adaptor
SPI, Dallas 1-wire interfacing
Realterm Terminal Program
: Serial/Telnet, Binary & Text, ActiveX
PIC Programmer
Windows/Linux/KDE
Autotrax PCB Plotting Software
Crystals, Oscillators, TCXO's
Touchscreens
for Plasma and LCD: BIG and through-glass