cattrs VS marshmallow

Compare cattrs vs marshmallow and see what are their differences.

cattrs

Complex custom class converters for attrs. (by python-attrs)

marshmallow

A lightweight library for converting complex objects to and from simple Python datatypes. (by marshmallow-code)
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cattrs marshmallow
4 9
543 6,246
9.0% 1.2%
8.9 8.2
6 days ago 11 days ago
Python Python
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

cattrs

Posts with mentions or reviews of cattrs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-18.

marshmallow

Posts with mentions or reviews of marshmallow. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-09-25.

What are some alternatives?

When comparing cattrs and marshmallow you can also consider the following projects:

Fast JSON schema for Python - Fast JSON schema validator for Python.

serpy - ridiculously fast object serialization

ultrajson - Ultra fast JSON decoder and encoder written in C with Python bindings

WTForms - A flexible forms validation and rendering library for Python.

pydantic - Data parsing and validation using Python type hints

jsonschema - JSON Schema validation library

Trafaret - Ultimate transformation library that supports validation, contexts and aiohttp.

jsons - 🐍 A Python lib for (de)serializing Python objects to/from JSON

lupin is a Python JSON object mapper - Python document object mapper (load python object from JSON and vice-versa)

hjson-py - Hjson for Python