At syGlass I created VR tools used for intensive scientific study, completed an exhaustive overhaul of our VR user interface, and added developer tools such as a Python API interface (custom Terminal, source file organization, etc.) using the Windows Forms UI toolkit and framework.
New Features My estimate for the number of features I implemented is somewhere between 20 and 30 depending on how you count them. I have listed some of the more interesting ones here:
