DIY
Open Source Artificial Pancreas ♥
This is pure awesomeness!!! https://blog.adafruit.com/2016/04/20/homemade-artificial-pancreas-system-for-type-1-diabetes-uses-raspberrypi-onlyhuman-wnyc/
Linux
Awesome collection of eBooks on Free and Open Source
I came across this awesome collection of eBooks on FOSS. http://www.efytimes.com/e1/fullnews.asp?edid=128368 And yes, they all are Free, Free as in Freedom!