Who else is using HappyDoc?

  - **Biopython** 

    The "Biopython project":http://www.biopython.org uses HappyDoc to
    generate the documentation for their
    "libraries":http://www.biopython.org/wiki/html/BioPython/BiopythonCode.html

  - **Numerical Python** 

    "Numerical Python":http://numpy.sourceforge.net adds a fast,
    compact multidimensional array language facility to Python.

  - **CDAT** 

    "Climate Data Analysis Tool":http://cdat.sourceforge.net is a
    Python-based, easily extendible system for accessing and analyzing
    climate data. It contains a generally useful system for scientific
    graphics.

  - **NOAA SEC**

    The NOAA "Space Environment Center":http://www.sec.noaa.gov/sxi
    group responsible for supporting the effort to forecast solar
    activity having a direct impact on earth-orbiting satellites and
    other earth-based systems.

  - **ZOD**

    The "Zope Online
    Documentation":http://demo.iuveno-net.de/iuveno/Products/ZOnlineDocu
    tools use the HappyDoc parsing engine to extract information about
    source code.