1.ijl / orjsonFast, correct Python JSON library supporting dataclasses, datetimes, and numpyjsonpythonrustserializationdatetimepyo3+3 morePythonAPACHE-2.08.3K total343 forks+46 starsfrom 8,237 · score 3.85
2.marshmallow-code / marshmallowA lightweight library for converting complex objects to and from simple Python datatypes.serializationdeserializationvalidationpythonmarshallingserde+1 morePythonMIT7.2K total779 forks+7 starsfrom 7,238 · score 2.08