10

8

6

4

2


8.3

8.6
marshmallow

8.3

8.0
orjson

7.5

7.3
ultrajson

6.7

7.9
datasketch

4.6

8.1
cattrs

4.4
0.0
serpy

20 Serialization packages and projects

  • marshmallow

    8.3 8.6 L4 Python
    A lightweight library for converting complex objects to and from simple Python datatypes.

  • orjson

    8.3 8.0 Python
    Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

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  • ultrajson

    7.5 7.3 C++
    Ultra fast JSON decoder and encoder written in C with Python bindings

  • datasketch

    6.7 7.9 Python
    MinHash, LSH, LSH Forest, Weighted MinHash, HyperLogLog, HyperLogLog++, LSH Ensemble and HNSW

  • cattrs

    4.6 8.1 Python
    Composable custom class converters for attrs, dataclasses and friends.

  • serpy

    4.4 0.0 Python
    ridiculously fast object serialization

  • jsonschema-rs

    4.3 9.7 Rust
    A high-performance JSON Schema validator for Rust

  • mashumaro (マシュマロ)

    4.3 7.8 Python
    Fast and well tested serialization library

  • PyLD

    4.3 9.2 Python
    JSON-LD processor written in Python

  • pysimdjson

    4.1 2.5 Python
    Python bindings for the simdjson project.

  • Fast JSON schema for Python

    3.7 6.2 Python
    Fast JSON schema validator for Python.

  • python-rapidjson

    3.6 6.8 C++
    Python wrapper around rapidjson

  • pySHACL

    3.3 5.8 Python
    A Python validator for SHACL

  • RDFLib plugin providing JSON-LD parsing and serialization

    3.1 3.1 Python
    DISCONTINUED. JSON-LD parser and serializer plugins for RDFLib

  • jsons

    3.0 0.0 Python
    🐍 A Python lib for (de)serializing Python objects to/from JSON

  • hjson-py

    2.7 2.3 L3 Python
    Hjson for Python

  • Trafaret

    2.6 0.0 Python
    Ultimate transformation library that supports validation, contexts and aiohttp.

  • lupin is a Python JSON object mapper

    1.0 0.0 Python
    Python document object mapper (load python object from JSON and vice-versa)

  • py-object-factory

    0.7 5.9 Python
    objectfactory is a python package to easily implement the factory design pattern for object creation, serialization, and polymorphism

  • PyValico

    0.7 0.0 Rust
    Small python wrapper around https://github.com/rustless/valico

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