10

8

6

4

2


8.4

7.3
marshmallow

7.4

7.4
ultrajson

4.4
0.0
serpy

3.8

5.4
PyLD

3.3

7.7
pysimdjson

3.2

7.0
python-rapidjson

16 Serialization packages and projects

  • marshmallow

    8.4 7.3 L4 Python
    marshmallow is an ORM/ODM/framework-agnostic library for converting complex datatypes, such as objects, to and from native Python datatypes.

  • ultrajson

    7.4 7.4 C
    A fast JSON decoder and encoder written in C with Python bindings.

    • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Sponsored scoutapm.com

  • serpy

    4.4 0.0 Python
    Fastest serialization

  • PyLD

    3.8 5.4 Python
    JSON-LD processor written in Python

  • pysimdjson

    3.3 7.7 Python
    A Python bindings for simdjson.

  • python-rapidjson

    3.2 7.0 C++
    A Python wrapper around RapidJSON.

  • RDFLib plugin providing JSON-LD parsing and serialization

    3.1 0.5 Python
    JSON-LD parser and serializer plugins for RDFLib (Python 2.6+)

  • cattrs

    3.0 8.0 Python
    Complex custom class converters for attrs

  • Fast JSON schema for Python

    3.0 3.9 Python
    Fast JSON schema validator for Python

  • pySHACL

    2.5 7.1 Python
    A Python validator for SHACL

  • Trafaret

    2.5 3.8 Python
    Ultimate transformation library that supports validation, contexts and aiohttp.

  • jsons

    2.4 7.4 Python
    Serialize/deserialize json to/from plain old Python objects

  • hjson-py

    2.2 1.6 L3 Python
    Hjson for Python

  • jsonschema-rs

    1.6 8.1 Rust
    JSON Schema validation library

  • lupin is a Python JSON object mapper

    0.7 0.0 Python
    Python document object mapper (load python object from JSON and vice-versa)

  • PyValico

    0.6 0.0 Rust
    Small python wrapper around https://github.com/rustless/valico

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