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validation

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Here are 11,273 public repositories matching this topic...

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All 11,273 JavaScript 2,022 TypeScript 1,926 Python 1,709 Java 954 PHP 951 C# 533 Go 527 HTML 414 Rust 225 CSS 149
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react-hook-form

react-hook-form / react-hook-form

Sponsor
Star 44.9k

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

typescript react-native validation forms reactjs ux dx form-builder react-hooks
  • Updated Nov 11, 2026
  • TypeScript
pydantic

pydantic / pydantic

Sponsor
Star 29.5k

Data validation using Python type hints

python validation parsing json-schema hints pydantic python310 python311 python312 python313 python314
  • Updated Nov 10, 2026
  • Python

validatorjs / validator.js

Star 23.7k

String validation

javascript sanitization node validation input validator validations validate hacktoberfest sanitize
  • Updated Sep 11, 2026
  • JavaScript

hapijs / joi

Star 21.2k

The most powerful data validation library for JS

javascript schema validation hapi
  • Updated Nov 4, 2026
  • JavaScript

go-playground / validator

Star 20.2k

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

validation translation error-handling
  • Updated Nov 2, 2026
  • Go

567-labs / instructor

Star 14.1k

structured outputs for llms

python validation openai openai-functions pydantic-v2 openai-function-calli
  • Updated Nov 11, 2026
  • Python

redux-form / redux-form

Star 12.5k

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

react redux validation forms form form-validation redux-form
  • Updated Jun 13, 2024
  • JavaScript

typestack / class-validator

Star 11.9k

Decorator-based property validation for classes.

typescript validation validator decorators
  • Updated Mar 25, 2026
  • TypeScript

apple / pkl

Star 11.6k

A configuration as code language with rich validation and tooling.

kotlin config java language programming-language yaml json data functional validation xml configuration properties object-oriented pkl propertylist
  • Updated Nov 10, 2026
  • Java
vee-validate

logaretm / vee-validate

Sponsor
Star 11.3k

✅ Painless Vue forms

vuejs validation vue forms validator form form-validation validations validate vue2 hacktoberfest vee-validate validation-library vue3 vue3-composition-api
  • Updated Mar 4, 2026
  • TypeScript
valibot

open-circle / valibot

Star 9.1k

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

modular typescript schema validation parsing runtime validator form-validation type-safe schema-validation type-inference runtime-validation bundle-size standard-schema
  • Updated Nov 7, 2026
  • TypeScript

cakephp / cakephp

Star 8.8k

CakePHP: The Rapid Development Framework for PHP - Official Repository

php validation orm web mvc cakephp rest-api web-framework mvc-framework psr-7 form-builder rapid-development hacktoberfest
  • Updated Nov 12, 2026
  • PHP
intl-tel-input

jackocnr / intl-tel-input

Sponsor
Star 8.3k

For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and Svelte components.

react vuejs angular typescript validation input reactjs phone-number formatting svelte international-telephone libphonenumber javascript-plugin
  • Updated Nov 6, 2026
  • TypeScript
react-final-form

final-form / react-final-form

Star 7.4k

🏁 High performance subscription-based form state management for React

react subscription validation state-management asynchronous forms form form-validation
  • Updated May 30, 2026
  • JavaScript

marshmallow-code / marshmallow

Star 7.2k

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

python serialization schema validation marshalling serde deserialization
  • Updated Nov 4, 2026
  • Python

ianstormtaylor / superstruct

Star 7.1k

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

javascript typescript schema validation types interface structs
  • Updated Oct 1, 2024
  • TypeScript

vuelidate / vuelidate

Star 6.9k

Simple, lightweight model-based validation for Vue.js

javascript vuejs validation vue vuelidate
  • Updated Jun 10, 2025
  • JavaScript

gcanti / io-ts

Sponsor
Star 6.8k

Runtime type system for IO decoding/encoding

typescript validation types runtime inference
  • Updated Dec 10, 2024
  • TypeScript

cue-lang / cue

Star 6.3k

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

kubernetes data validation configuration
  • Updated Nov 11, 2026
  • Go
express-validator

express-validator / express-validator

Sponsor
Star 6.2k

An express.js middleware for validator.js.

nodejs javascript express validation validator expressjs
  • Updated Nov 8, 2026
  • TypeScript

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