Go QR Code library beta
https://code.google.com/p/go-qrcode
Certificate Transparency tracker
http://code.google.com/p/x509ls
Linux Kernel support for the Trust GXT 18 Keyboard
NASDAQ stock ticker. I reverse engineered
the sign's wire protocol and built a driver which uses Device::SerialPort.
The driver programs the sign with 1-10 128x16 bitmaps to display, such as this traffic light picture. Text is rendered using
FreeType 2. The whole thing runs on a Raspberry Pi.