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The Top 303 Validation Open Source Projects

Categories > Data Processing > Validation
Validator.js ⭐16,687
String validation
Joi ⭐16,139
The most powerful data validation library for JS
React Hook Form ⭐15,895
📋 React Hooks for forms validation (Web + React Native)
Redux Form ⭐12,431
A Higher Order Component using react-redux to keep form state in a Redux store
Cakephp ⭐8,276
CakePHP: The Rapid Development Framework for PHP - Official Repository
Vee Validate ⭐8,103
✅ Template-driven Form Validation for Vue.js
Validator ⭐6,577
💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
React Final Form ⭐6,154
🏁 High performance subscription-based form state management for React
Vuelidate ⭐5,523
Simple, lightweight model-based validation for Vue.js
Validation ⭐5,357
The most awesome validation engine ever created for PHP
Intl Tel Input ⭐5,232
A JavaScript plugin for entering and validating international telephone numbers
Marshmallow ⭐5,119
A lightweight library for converting complex objects to and from simple Python datatypes.
Class Validator ⭐4,931
Decorator-based property validation for classes.
Express Validator ⭐4,710
An express.js middleware for validator.js.
Pydantic ⭐4,708
Data parsing and validation using Python type hints
Superstruct ⭐4,614
A simple and composable way to validate data in JavaScript (and TypeScript).
Govalidator ⭐4,506
[Go] Package of validators and sanitizers for strings, numerics, slices and structs
Phonenumberkit ⭐3,913
A Swift framework for parsing, formatting and validating international phone numbers. Inspired by Google's libphonenumber.
Io Ts ⭐3,824
Runtime type system for IO decoding/encoding
V8n ⭐3,784
☑️ JavaScript fluent validation library
Dredd ⭐3,552
Language-agnostic HTTP API Testing Tool
Ow ⭐2,976
Function argument validation for humans
Schematics ⭐2,384
Python Data Structures for Humans™.
Json Schema Spec ⭐2,056
The JSON Schema I-D sources
Validator ⭐1,995
The Validator component provides tools to validate values following the JSR-303 Bean Validation specification.
Ozzo Validation ⭐1,783
An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.
Forgjs ⭐1,691
ForgJs is a javascript lightweight object validator. Go check the Quick start section and start coding with love
Node Convict ⭐1,633
Featureful configuration management library for Node.js
Express Typescript Boilerplate ⭐1,610
A delightful way to building a RESTful API with NodeJs & TypeScript by @w3tecch
Laravel Phone ⭐1,517
Phone number functionality for Laravel
Runtypes ⭐1,451
Runtime validation for static types
Validator ⭐1,416
Drop in user input validation for your iOS apps.
Vue Formulate ⭐1,362
⚡️ The easiest way to build forms with Vue.
Validatorjs ⭐1,350
A data validation library in JavaScript for the browser and Node.js, inspired by Laravel's Validator.
Validates_timeliness ⭐1,291
Date and time validation plugin for ActiveModel and Rails. Supports multiple ORMs and allows custom date/time formats.
Filetype ⭐1,201
Fast, dependency-free, small Go package to infer the binary file type based on its magic numbers signature
Wtforms ⭐1,184
A flexible forms validation and rendering library for Python.
Webargs ⭐1,095
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 ⭐1,080
Android validation library which helps developer boil down the tedious work to three easy steps.
Rest Hapi ⭐1,074
🚀 A RESTful API generator for Node.js
Protoc Gen Validate ⭐1,069
protoc plugin to generate polyglot message validators
Dry Validation ⭐1,066
Validation library with type-safe schemas and rules
Mobx React Form ⭐1,000
Reactive MobX Form State Management
Celebrate ⭐982
A joi validation middleware for Express.
Govalidator ⭐941
Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
Trumail ⭐921
✉️ ✅ A Fast and Free Email Verification API written in Go
Validating ⭐883
Automatically validating Eloquent models for Laravel
Swiftyform ⭐879
iOS framework for creating forms
In App Purchase ⭐847
A Node.js module for in-App-Purchase for iOS, Android, Amazon and Windows.
Flow Runtime ⭐814
A runtime type system for JavaScript with full Flow compatibility.
Winterfell ⭐787
Generate complex, validated and extendable JSON-based forms in React.
Simple Java Mail ⭐784
Simple API, Complex Emails (JavaMail smtp wrapper)
Strictyaml ⭐774
Type-safe YAML parser and validator.
Form Backend Validation ⭐774
An easy way to validate forms using back end logic
Purify ⭐764
Functional programming library for TypeScript - https://gigobyte.github.io/purify/
Kubevious ⭐729
Kubevious - application centric Kubernetes UI and continuous assurance provider
Hyperform ⭐724
Capture form validation back from the browser
Skinny Framework ⭐717
🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala
Spected ⭐717
Validation library
Angular Validation ⭐715
[INACTIVE] Client Side Validation for AngularJS 1. (You should use version > 2 💥)
Commonregex ⭐706
🍫 A collection of common regular expressions for Go
Formsy React ⭐686
A form input builder and validator for React JS
Swagger Parser ⭐670
Swagger 2.0 and OpenAPI 3.0 parser/validator
Encoding ⭐668
Go package containing implementations of efficient encoding, decoding, and validation APIs.
Go Proto Validators ⭐641
Generate message validators from .proto annotations.
Validatedpropertykit ⭐632
Easily validate your Properties with Property Wrappers 👮
Vue Form ⭐621
Form validation for Vue.js 2.2+
Ng2 Validation ⭐620
angular2 validation
Meteor Astronomy ⭐606
Model layer for Meteor
Valid.js ⭐601
📝 A library for data validation.
Furion ⭐587
让 .NET 开发更简单，更通用，更流行。
Nice Validator ⭐581
Simple, smart and pleasant validation solution.
Vue Mc ⭐568
Models and Collections for Vue
Vvalidator ⭐566
🤖 An easy to use form validator for Kotlin & Android.
Swiftcop ⭐545
SwiftCop is a validation library fully written in Swift and inspired by the clarity of Ruby On Rails Active Record validations.
Firely Net Sdk ⭐536
The official Firely .NET SDK for HL7 FHIR
Malli ⭐536
Data-Driven Schemas for Clojure/Script.
Envalid ⭐529
Environment variable validation for Node.js
Store Receipt Validator ⭐527
PHP receipt validator for Apple iTunes, Google Play and Amazon App Store
Checkmail ⭐523
Golang package for email validation
Sinatra Param ⭐514
Parameter Validation & Type Coercion for Sinatra
Accord ⭐513
Accord: A sane validation library for Scala
Vue Composable ⭐508
Vue composition-api composable components. i18n, validation, pagination, fetch, etc. +50 different composables
Enforce ⭐493
Python 3.5+ runtime type checking for integration testing and data validation
Validator.js ⭐482
⁉️轻量级的 JavaScript 表单验证，字符串验证。没有依赖，支持 UMD ，~3kb。
Yalfield ⭐475
Custom Field component with validation for creating easier form-like UI from interface builder.
Validation ⭐469
PHP Standalone Validation Library
Bunny ⭐467
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.
Ngx Errors ⭐466
A declarative validation errors module for reactive forms.
Indicative ⭐400
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.
Colander ⭐397
A serialization/deserialization/validation library for strings, mappings and lists.
Specs ⭐395
Technical specifications and guidelines for implementing Frictionless Data.
Typesystem ⭐394
Data validation, serialization, deserialization & form rendering. 🔢
Pandera ⭐390
A flexible and expressive pandas data validation library
Dss ⭐386
Digital Signature Service : creation, extension and validation of advanced electronic signatures
Mimetype ⭐383
A fast golang library for MIME type and file extension detection, based on magic numbers
Graphql Constraint Directive ⭐382
Validate GraphQL fields
Guard ⭐381
A high-performance, extensible argument validation library.
Graphql Query Complexity ⭐366
GraphQL query complexity analysis and validation for graphql-js
Pyschemes ⭐364
PySchemes is a library for validating data structures in python
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