ttys is an wearable data acquisition device with a special focus on biomedical signals such as heart activity (ECG), muscle activity (EMG) and brain activity (EEG). It’s open firmware, open API and has open source applications on github in C++ and JAVA to encourage people to create their own custom versions for mobile devices, tablets and PC.
J. Shen, J. Fang, H. Sips, and A. Varbanescu. Parallel, Distributed and Network-Based Processing (PDP),
2013 21st Euromicro International Conference on, page 38--45. Washington, DC, USA, IEEE Computer Society, (February 2013)