VTools and PyDSS (Python 2.7 64 bit only)
# VTools for Python 2.7 64 bit windows

VTools is an open-source program, and the source codes are available at GitHub: [https://github.com/CADWRDeltaModeling/vtools](https://github.com/CADWRDeltaModeling/vtools). Users can grab the source codes and install from them, or download and use binary installers.
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