pystim is an open source electrical stimulation device driver and development framework. It features a parallel/sequential block paradigm and supports event-base programming. It also provides a device simulator.
The UniLog is a small onboard data logging device for rc models. It records stuff like current, voltage, rpm, height, airspeed... python-unilog is to retrieve the data and do what you want with it.
vport is a universal hardware interface for education and development. It supports all important microcontroller intefaces such as I2C, SPI, JTAG, RS232, IO-Ports, 1-Wire, CAN, ...
The goal of zAutomation project is to design/implement hardware, firmware and software for remote control and monitoring of physical objects, by using the ZigBee technology and internet. The field of application is robotics and domotics.
Stylus Toolbox is an Epson inkjet printer utility. It shows ink levels, allows you to clean and align your print heads, and to perform a nozzle check. As it is a graphical front-end for escputil, it supports all Epson printers supported by Gutenprint.