topojson - encode geographic data as topology in Python

topojson is a Python library to encode geographic data into the TopoJSON format, which encodes topology. It supports input from GeoJSON, Shapefile, GeoDataFrame, and other sources, and can output TopoJSON, GeoJSON, or GeoDataFrames. Current version is 1.10, requiring Python >=3.8. Release cadence is irregular, roughly several months between versions.