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

String validation

Data validation using Python type hints

The most powerful data validation library for JS

💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving

A Higher Order Component using react-redux to keep form state in a Redux store

Decorator-based property validation for classes.

✅ Painless Vue forms

A configuration as code language with rich validation and tooling.

CakePHP: The Rapid Development Framework for PHP - Official Repository

structured outputs for llms

A JavaScript plugin for entering and validating international telephone numbers. React and Vue components also included.

🏁 High performance subscription-based form state management for React

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

A simple and composable way to validate data in JavaScript (and TypeScript).

Simple, lightweight model-based validation for Vue.js

Runtime type system for IO decoding/encoding

The modular and type safe schema library for validating structural data 🤖

An express.js middleware for validator.js.

[Go] Package of validators and sanitizers for strings, numerics, slices and structs