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.
A free (libre), open-source (GNU LGPL) web-conferencing system developed with support from the Mozilla Foundation's WebFWD project. Designed for online education, BigBluebutton provides voice- and video-conferencing capabilities that include conference recording, presentation uploads, virtual whiteboard, and simultaneous webcam users.
The BigBlueButton server runs on Linux, but virtual machine images are available for running the server on other platforms.
M. De Wael, S. Marr, и T. Van Cutsem. Proceedings of the 2014 International Conference on Principles and Practices of Programming on the Java Platform: Virtual Machines, Languages, and Tools, стр. 39--50. (сентября 2014)(acceptance rate 39%).