1.ijl / orjsonFast, correct Python JSON library supporting dataclasses, datetimes, and numpyjsonpythonrustserializationdatetimepyo3+3 morePythonAPACHE-2.08.3K total343 forks+6 starsfrom 8,277 · score 1.95
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3.dateutil / dateutilUseful extensions to the standard Python datetime featurespythondatetimetimetimezonesparsinglibraryPythonOther license2.6K total630 forks+3 starsfrom 2,641 · score 1.39