A compatibility layer (or adaptor) for mapping functions in ArcGIS 10.x (arcpy.mapping/Python 2) and ArcGIS Pro (arcpy.mp/Python 3)
Python metadata editing classes for ArcGIS feature classes.
A library for managing temporary geodatabases and filenames in arcpy (ArcGIS) scripts
launchR finds your R installation and provides convenience functions for running R scripts from Python, including package installation and running scripts.
A Python wrapper for the USGS National Water Information System JSON API