Česky: RouterTerm
RouterTerm is serial terminal for Edimax BR-6104KP router running Linux. It has got 16×2 LCD display with backlight and PS/2 keyboard. It's brain is AVR 8 bit microcontroller ATmega8.
Sources and binary here. Warning: the LCD backlight should be connected to the MCU by a tranzistor!
Edimax BR-6104KP is cheap Linux board with 2 USB ports, ethernet, 2 serial ports and some LEDs, which can be used as I/O pins (for example popular I2C interface). The project is well-documented, some sites can be seen below. If you are not an Linux-god, you can use pre-configured and compiled distributions as Midge. Router can be also used as a brain for robot: