Awesome Open Source
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The Top 319 Validation Open Source Projects

Categories > Data Processing > Validation
React Hook Form ⭐ 21,315
📋 React Hooks for forms validation (Web + React Native)
Validator.js ⭐ 17,692
String validation
Joi ⭐ 17,169
The most powerful data validation library for JS
Redux Form ⭐ 12,551
A Higher Order Component using react-redux to keep form state in a Redux store
Vee Validate ⭐ 8,486
✅ Form Validation for Vue.js
Cakephp ⭐ 8,384
CakePHP: The Rapid Development Framework for PHP - Official Repository
Validator ⭐ 7,950
💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
Pydantic ⭐ 6,604
Data parsing and validation using Python type hints
React Final Form ⭐ 6,510
🏁 High performance subscription-based form state management for React
Class Validator ⭐ 5,976
Decorator-based property validation for classes.
Vuelidate ⭐ 5,870
Simple, lightweight model-based validation for Vue.js
Intl Tel Input ⭐ 5,581
A JavaScript plugin for entering and validating international telephone numbers
Marshmallow ⭐ 5,555
A lightweight library for converting complex objects to and from simple Python datatypes.
Validation ⭐ 5,431
The most awesome validation engine ever created for PHP
Superstruct ⭐ 4,986
A simple and composable way to validate data in JavaScript (and TypeScript).
Express Validator ⭐ 4,958
An express.js middleware for validator.js.
Govalidator ⭐ 4,780
[Go] Package of validators and sanitizers for strings, numerics, slices and structs
Io Ts ⭐ 4,566
Runtime type system for IO decoding/encoding
Phonenumberkit ⭐ 4,166
A Swift framework for parsing, formatting and validating international phone numbers. Inspired by Google's libphonenumber.
V8n ⭐ 3,818
☑️ JavaScript fluent validation library
Dredd ⭐ 3,669
Language-agnostic HTTP API Testing Tool
Ow ⭐ 3,126
Function argument validation for humans
Schematics ⭐ 2,422
Python Data Structures for Humans™.
Json Schema Spec ⭐ 2,283
The JSON Schema I-D sources
Validator ⭐ 2,122
The Validator component provides tools to validate values following the JSR-303 Bean Validation specification.
Ozzo Validation ⭐ 2,105
An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.
Express Typescript Boilerplate ⭐ 1,988
A delightful way to building a RESTful API with NodeJs & TypeScript by @w3tecch
Node Convict ⭐ 1,728
Featureful configuration management library for Node.js
Forgjs ⭐ 1,689
ForgJs is a javascript lightweight object validator. Go check the Quick start section and start coding with love
Runtypes ⭐ 1,685
Runtime validation for static types
Laravel Phone ⭐ 1,658
Phone number functionality for Laravel
Vue Formulate ⭐ 1,655
⚡️ The easiest way to build forms with Vue.
Validatorjs ⭐ 1,465
A data validation library in JavaScript for the browser and Node.js, inspired by Laravel's Validator.
Validator ⭐ 1,430
Drop in user input validation for your iOS apps.
Protoc Gen Validate ⭐ 1,415
protoc plugin to generate polyglot message validators
Vest ⭐ 1,368
Vest ✅ Declarative validations framework
Validates_timeliness ⭐ 1,362
Date and time validation plugin for ActiveModel and Rails. Supports multiple ORMs and allows custom date/time formats.
Filetype ⭐ 1,317
Fast, dependency-free Go package to infer binary file types based on the magic numbers header signature
Wtforms ⭐ 1,241
A flexible forms validation and rendering library for Python.
Webargs ⭐ 1,173
A friendly library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.
Awesomevalidation ⭐ 1,111
Android validation library which helps developer boil down the tedious work to three easy steps.
Rest Hapi ⭐ 1,111
🚀 A RESTful API generator for Node.js
Dry Validation ⭐ 1,103
Validation library with type-safe schemas and rules
Furion ⭐ 1,102
Make .NET development easier, more versatile, and more popular.
Celebrate ⭐ 1,084
A joi validation middleware for Express.
Mobx React Form ⭐ 1,043
Reactive MobX Form State Management
Govalidator ⭐ 992
Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
Kubevious ⭐ 965
Kubevious - application centric Kubernetes UI and continuous assurance provider
Trumail ⭐ 948
✉️ ✅ A Fast and Free Email Verification API written in Go
Swiftyform ⭐ 942
iOS framework for creating forms
Validating ⭐ 918
Automatically validating Eloquent models for Laravel
In App Purchase ⭐ 890
A Node.js module for in-App-Purchase for iOS, Android, Amazon and Windows.
Strictyaml ⭐ 879
Type-safe YAML parser and validator.
Simple Java Mail ⭐ 857
Simple API, Complex Emails (JavaMail smtp wrapper)
Flow Runtime ⭐ 812
A runtime type system for JavaScript with full Flow compatibility.
Form Backend Validation ⭐ 791
An easy way to validate forms using back end logic
Winterfell ⭐ 787
Generate complex, validated and extendable JSON-based forms in React.
Commonregex ⭐ 771
🍫 A collection of common regular expressions for Go
Malli ⭐ 760
Data-Driven Schemas for Clojure/Script.
Go Proto Validators ⭐ 750
Generate message validators from .proto annotations.
Validatedpropertykit ⭐ 733
Easily validate your Properties with Property Wrappers 👮
Encoding ⭐ 733
Go package containing implementations of efficient encoding, decoding, and validation APIs.
Swagger Parser ⭐ 732
Swagger 2.0 and OpenAPI 3.0 parser/validator
Hyperform ⭐ 731
Capture form validation back from the browser
Vue Composable ⭐ 731
Vue composition-api composable components. i18n, validation, pagination, fetch, etc. +50 different composables
Skinny Framework ⭐ 722
🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala
Formsy React ⭐ 717
A form input builder and validator for React JS
Spected ⭐ 715
Validation library
Angular Validation ⭐ 713
[INACTIVE] Client Side Validation for AngularJS 1. (You should use version > 2 💥)
Envalid ⭐ 712
Environment variable validation for Node.js
Ng2 Validation ⭐ 622
angular2 validation
Vue Form ⭐ 619
Form validation for Vue.js 2.2+
Meteor Astronomy ⭐ 610
Model layer for Meteor
Vvalidator ⭐ 610
🤖 An easy to use form validator for Kotlin & Android.
Valid.js ⭐ 606
📝 A library for data validation.
Pandera ⭐ 602
A light-weight, flexible, and expressive pandas data validation library
Vue Mc ⭐ 601
Models and Collections for Vue
Nice Validator ⭐ 590
Simple, smart and pleasant validation solution.
Checkmail ⭐ 580
Golang package for email validation
Firely Net Sdk ⭐ 578
The official Firely .NET SDK for HL7 FHIR
Store Receipt Validator ⭐ 560
PHP receipt validator for Apple iTunes, Google Play and Amazon App Store
Validation ⭐ 550
PHP Standalone Validation Library
Swiftcop ⭐ 543
SwiftCop is a validation library fully written in Swift and inspired by the clarity of Ruby On Rails Active Record validations.
Accord ⭐ 519
Accord: A sane validation library for Scala
Sinatra Param ⭐ 516
Parameter Validation & Type Coercion for Sinatra
Enforce ⭐ 512
Python 3.5+ runtime type checking for integration testing and data validation
Mimetype ⭐ 499
A fast Golang library for media type and file extension detection, based on magic numbers
Validator.js ⭐ 489
⁉️轻量级的 JavaScript 表单验证，字符串验证。没有依赖，支持 UMD ，~3kb。
Schema Inspector ⭐ 486
Schema-Inspector is a simple JavaScript object sanitization and validation module.
Bunny ⭐ 477
BunnyJS - Lightweight native (vanilla) JavaScript (JS) and ECMAScript 6 (ES6) browser library, package of small stand-alone components without dependencies: FormData, upload, image preview, HTML5 validation, Autocomplete, Dropdown, Calendar, Datepicker, Ajax, Datatable, Pagination, URL, Template engine, Element positioning, smooth scrolling, routing, inversion of control and more. Simple syntax and architecture. Next generation jQuery and front-end framework. Documentation and examples available.
Yalfield ⭐ 476
Custom Field component with validation for creating easier form-like UI from interface builder.
Ngx Errors ⭐ 472
A declarative validation errors module for reactive forms.
Guard ⭐ 462
A high-performance, extensible argument validation library.
Graphql Query Complexity ⭐ 455
GraphQL query complexity analysis and validation for graphql-js
Yavi ⭐ 454
Yet Another Validation for Java (A lambda based type safe validation framework)
Dss ⭐ 445
Digital Signature Service : creation, extension and validation of advanced electronic signatures
Typesystem ⭐ 430
Data validation, serialization, deserialization & form rendering. 🔢
Validate ⭐ 421
⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库，使用简单，内置大部分常用验证、过滤器，支持自定义验证器、自定义消息、字段翻译。
Graphql Constraint Directive ⭐ 419
Validate GraphQL fields
Indicative ⭐ 416
Indicative is a simple yet powerful data validator for Node.js and browsers. It makes it so simple to write async validations on nested set of data.
1-100 of 319 projects
Advertising 📦 10
All Projects
Application Programming Interfaces 📦 124
Applications 📦 192
Artificial Intelligence 📦 78
Blockchain 📦 73
Build Tools 📦 113
Cloud Computing 📦 80
Code Quality 📦 28
Collaboration 📦 32
Command Line Interface 📦 49
Community 📦 83
Companies 📦 60
Compilers 📦 63
Computer Science 📦 80
Configuration Management 📦 42
Content Management 📦 175
Control Flow 📦 213
Data Formats 📦 78
Data Processing 📦 276
Data Storage 📦 135
Economics 📦 64
Frameworks 📦 215
Games 📦 129
Graphics 📦 110
Hardware 📦 152
Integrated Development Environments 📦 49
Learning Resources 📦 166
Legal 📦 29
Libraries 📦 129
Lists Of Projects 📦 22
Machine Learning 📦 347
Mapping 📦 64
Marketing 📦 15
Mathematics 📦 55
Media 📦 239
Messaging 📦 98
Networking 📦 315
Operating Systems 📦 89
Operations 📦 121
Package Managers 📦 55
Programming Languages 📦 245
Runtime Environments 📦 100
Science 📦 42
Security 📦 396
Social Media 📦 27
Software Architecture 📦 72
Software Development 📦 72
Software Performance 📦 58
Software Quality 📦 133
Text Editors 📦 49
Text Processing 📦 136
User Interface 📦 330
User Interface Components 📦 514
Version Control 📦 30
Virtualization 📦 71
Web Browsers 📦 42
Web Servers 📦 26
Web User Interface 📦 210