PySpec is an integrated spectral analysis python GUI for spectroscopist. PySpec is developed solely in Python, and uses third-party C-wrappers for National Instrument drivers. System Requirement: * Python 3 * PyQt 5: provides the GUI framework * numpy: provides data array storage and manipulation functionality * scipy: provides data manipulation functionality * pyqtgraph: provides real time visualization. Built on PyQt * PyVisa 1.8: provides API for VISA instruments. Requires National Instrument VISA C library. * pyniscope from [Bernardo Kyotoku](https://github.com/bernardokyotoku/pyniscope "target=_blank"): provides API for National Instrument Digitizer Card. Requires National Instrument NISCOPE C library. Documentation includes a user guide and a developer's guide. They are in the 'doc' directory, and are written in the `MarkDown` language. `MarkDown` syntax can be easily converted to html. Modern text editors such Atom also provides built-in extensions to directly provide `MarkDown` preview. For more information about `MarkDown`, see http://daringfireball.net/projects/markdown/