validation

pydantic

+88

Data validation using Python type hints

varlock

+52

AI-safe .env files: Schemas for agents, Secrets for humans.

instructor

+27

structured outputs for llms

react-hook-form

+19

📋 React Hooks for form state management and validation (Web + React Native)

pandera

+12

A light-weight, flexible, and expressive statistical data testing library

json-schema-spec

+11

The JSON Schema specification

cue-lang/cue

+9

The home of the CUE language! Validate and define text-based and dynamic configuration

msgspec

+8

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

atlantafx

+10

Modern JavaFX CSS theme collection with additional controls.