All zunzun curve fitting and surface fitting source code repositories have been moved to Bitbucket, no future development will be done using GitHub. Please update any git URLs to the following. All code us Python 3 unless otherwise noted. Web curve fitting and surface fitting: Deluxe Django site: https://bitbucket.org/zunzuncode/zunzunsite3 Deluxe Django site (Python 2): https://bitbucket.org/zunzuncode/zunzunsite Flask site: https://bitbucket.org/zunzuncode/FlaskFit CherryPy site: https://bitbucket.org/zunzuncode/CherryPyFit Bottle site: https://bitbucket.org/zunzuncode/BottleFit GUI Curve fitting and surface fitting applications: https://bitbucket.org/zunzuncode/tkinterFit https://bitbucket.org/zunzuncode/pyQt5Fit https://bitbucket.org/zunzuncode/pyGtkFit https://bitbucket.org/zunzuncode/wxPythonFit Miscellaneous applications: Animated Confidence Intervals: https://bitbucket.org/zunzuncode/CommonProblems Initial Fitting Parameters: https://bitbucket.org/zunzuncode/RamanSpectroscopyFit Multiple Statistical Distributions Fitter: https://bitbucket.org/zunzuncode/tkinterStatsDistroFit Core fitting libraries: https://bitbucket.org/zunzuncode/pyeq2 (Python 2) https://bitbucket.org/zunzuncode/pyeq3 James Phillips