• A graphing GUI; fits, functions, stats, t-tests, ANOVAs, and error bars; and APIs for making publication quality graphs in Python, R, MATLAB, REST, Julia, and Perl. 
  • A Python sandbox and support for NumPy, LaTeX, pandas, datetime, and IPython (Notebooks here). 
  • A streaming API for Arduino and Raspberry Pi users to log and graph data (see Arduino Instructable).
  • A Google Chrome App.