Composable custom class converters for attrs, dataclasses and friends.
☆1,019Apr 1, 2026Updated last week
Alternatives and similar repositories for cattrs
Users that are interested in cattrs are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- Python Classes Without Boilerplate☆5,767Updated this week
- Extract jsonschema from various Python objects☆32Oct 25, 2022Updated 3 years ago
- A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML☆3,675Nov 27, 2025Updated 4 months ago
- Make your functions return something meaningful, typed, and safe!☆4,254Updated this week
- Simple, powerful, and fast logging for Python.☆4,692Updated this week
- Bare Metal GPUs on DigitalOcean Gradient AI • AdPurpose-built for serious AI teams training foundational models, running large-scale inference, and pushing the boundaries of what's possible.
- Unbearably fast near-real-time pure-Python runtime-static type-checker.☆3,393Apr 3, 2026Updated last week
- More routines for operating on iterables, beyond itertools☆4,052Updated this week
- Production-grade retries for Python☆1,382Updated this week
- High level asynchronous concurrency and networking framework that works on top of either Trio or asyncio☆2,434Mar 30, 2026Updated last week
- Python Application Configuration With Environment Variables☆464Updated this week
- A minimalist production ready plugin system☆1,604Updated this week
- Nested Object Models in Python with dictionary, YAML, and JSON transformation support☆204Dec 27, 2022Updated 3 years ago
- Runtime inspection utilities for Python typing module☆377Jan 18, 2026Updated 2 months ago
- Run-time type checker for Python☆1,751Apr 1, 2026Updated last week
- DigitalOcean Gradient AI Platform • AdBuild production-ready AI agents using customizable tools or access multiple LLMs through a single endpoint. Create custom knowledge bases or connect external data.
- A Flexible Service Locator for Python.☆405Apr 1, 2026Updated last week
- ☆73May 29, 2025Updated 10 months ago
- The multidict implementation☆484Apr 2, 2026Updated last week
- Fast and well tested serialization library☆912Mar 29, 2026Updated last week
- ☄️ Python's nested data operator (and CLI), for all your declarative restructuring needs. Got data? Glom it! ☄️☆2,139Dec 29, 2025Updated 3 months ago
- Provides runtime validation of attributes specified in Python 'attr'-based data classes.☆57Mar 8, 2024Updated 2 years ago
- Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy☆8,002Mar 31, 2026Updated last week
- A serialization addon for attrs.☆25Dec 9, 2022Updated 3 years ago
- The property-based testing library for Python☆8,573Updated this week
- Managed hosting for WordPress and PHP on Cloudways • AdManaged hosting with the flexibility to host WordPress, Magento, Laravel, or PHP apps, on multiple cloud providers. Cloudways by DigitalOcean.
- Smart, pythonic, ad-hoc, typed polymorphism for Python☆728Dec 17, 2024Updated last year
- Modern, extensible Python project management☆7,161Mar 31, 2026Updated last week
- A modern Python package and dependency manager supporting the latest PEP standards☆8,552Apr 2, 2026Updated last week
- Trio – a friendly Python library for async concurrency and I/O☆7,229Apr 1, 2026Updated last week
- Data validation using Python type hints☆27,344Apr 3, 2026Updated last week
- Useful types for Python☆150Jan 5, 2026Updated 3 months ago
- Deserialize to objects while staying DRY☆160Apr 27, 2023Updated 2 years ago
- The bidirectional mapping library for Python.☆1,580Updated this week
- Collection of library stubs for Python, with static types☆5,034Updated this week
- Managed hosting for WordPress and PHP on Cloudways • AdManaged hosting with the flexibility to host WordPress, Magento, Laravel, or PHP apps, on multiple cloud providers. Cloudways by DigitalOcean.
- Flexible test automation for Python☆1,510Mar 23, 2026Updated 2 weeks ago
- A tool (and pre-commit hook) to automatically upgrade syntax for newer versions of the language.☆4,061Updated this week
- `diagnostic` makes it easier to build command line tools with great error reporting.☆31Mar 2, 2026Updated last month
- A high-performance immutable mapping type for Python.☆1,202May 20, 2025Updated 10 months ago
- Doing dirty (but extremely useful) things with equals.☆983Nov 17, 2025Updated 4 months ago
- A Python type checker☆382Jan 27, 2026Updated 2 months ago
- Ultra-fast query string and url-encoded form-data parsers☆46Mar 30, 2026Updated last week