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

• UpdatedFeb 11, 2026
• TypeScript

Data validation using Python type hints

• UpdatedFeb 20, 2026
• Python

String validation

• UpdatedFeb 6, 2026
• JavaScript

The most powerful data validation library for JS

• UpdatedNov 19, 2025
• JavaScript

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

• UpdatedFeb 19, 2026
• Go

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

• UpdatedJun 13, 2024
• JavaScript

structured outputs for llms

• UpdatedFeb 10, 2026
• Python

Decorator-based property validation for classes.

• UpdatedDec 2, 2025
• TypeScript

✅ Painless Vue forms

• UpdatedJan 25, 2026
• TypeScript

A configuration as code language with rich validation and tooling.

• UpdatedFeb 20, 2026
• Java

CakePHP: The Rapid Development Framework for PHP - Official Repository

• UpdatedFeb 20, 2026
• PHP

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

• UpdatedFeb 19, 2026
• TypeScript

A JavaScript plugin for entering, formatting and validating international telephone numbers. Includes TypeScript definitions, plus React, Vue, Angular and Svelte components.

• UpdatedFeb 20, 2026
• JavaScript

🏁 High performance subscription-based form state management for React

• UpdatedFeb 17, 2026
• JavaScript

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

• UpdatedFeb 4, 2026
• Python

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

• UpdatedOct 1, 2024
• TypeScript

Simple, lightweight model-based validation for Vue.js

• UpdatedJun 10, 2025
• JavaScript

Runtime type system for IO decoding/encoding

• UpdatedDec 10, 2024
• TypeScript

An express.js middleware for validator.js.

• UpdatedNov 19, 2025
• TypeScript

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

• UpdatedJan 22, 2025
• Go