Most popular validation repositories and open source projects

pydantic-core

Core validation logic for pydantic written in rust

299   1652   1652  

nutype

Rust newtype with guarantees 🇺🇦 🦀

28   1604   1604  

strictyaml

Type-safe YAML parser and validator.

64   1566   1566  

malli

High-performance data-driven data specification library for Clojure/Sc...

218   1553   1553  

validates_timeliness

Date and time validation plugin for ActiveModel and Rails. Supports m...

224   1552   1552  

valitron

Valitron is a simple, elegant, stand-alone validation library with NO...

252   1523   1523  

statoscope

Statoscope is a toolkit to analyze and validate webpack bundle

47   1509   1509  

Validator

Drop in user input validation for your iOS apps.

218   1419   1419  

wtforms

A flexible forms validation and rendering library for Python.

386   1403   1403  

webargs

A friendly library for parsing HTTP request arguments, with built-in s...

159   1400   1400  

email-verifier

:white_check_mark: A Go library for email verification without sending...

175   1308   1308  

celebrate

A joi validation middleware for Express.

67   1297   1297  

dry-validation

Validation library with type-safe schemas and rules

185   1283   1283  

kubeconform

A FAST Kubernetes manifests validator, with support for Custom Resourc...

89   1265   1265  

govalidator

Validate Golang request data with simple rules. Highly inspired by Lar...

117   1228   1228  

modular-forms

The modular and type-safe form library for SolidJS, Qwik and Preact

59   1191   1191  

rest-hapi

🚀 A RESTful API generator for Node.js

154   1189   1189  

vue-composable

Vue composition-api composable components. i18n, validation, paginatio...

65   1185   1185  

AwesomeValidation

Android validation library which helps developer boil down the tedious...

184   1151   1151  

jsonschema

JSONSchema (draft 2020-12, draft 2019-09, draft-7, draft-6, draft-4) V...

118   1121   1121  

FluentResults

A generalised Result object implementation for .NET/C#

79   1118   1118  

envalid

Environment variable validation for Node.js

57   1112   1112  

simple-java-mail

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

248   1092   1092  

mobx-react-form

Reactive MobX Form State Management

139   1081   1081  

SwiftyFORM

iOS framework for creating forms

87   1077   1077  

in-app-purchase

A Node.js module for in-App-Purchase for iOS, Android, Amazon and Wind...

291   1073   1073  

trumail

:email: :white_check_mark: A Fast and Free Email Verification API writ...

234   1044   1044  

sveltekit-superforms

Making SvelteKit validation and displaying of forms easier than ever!

21   1031   1031  

encoding

Go package containing implementations of efficient encoding, decoding,...

53   1024   1024  

go-proto-validators

Generate message validators from .proto annotations.

155   1005   1005  

throw

A simple, fluent, extensible, and fully customizable library for throw...

64   995   995  

schema

📐 Validating data structures against a given Schema.

27   981   981  

truemail

🚀 Configurable framework agnostic plain Ruby 📨 email validator/verif...

50   980   980  

ValidatedPropertyKit

Easily validate your Properties with Property Wrappers 👮

45   978   978  

swagger-parser

Swagger 2.0 and OpenAPI 3.0 parser/validator

150   974   974  

validating

Automatically validating Eloquent models for Laravel

76   970   970  

validate

⚔ Go package for data validation and filtering. support Map, Struct, F...

107   903   903  

commonregex

🍫 A collection of common regular expressions for Go

66   861   861  

felte

An extensible form library for Svelte, Solid and React

39   841   841  

deal

🤝 Design by contract for Python. Write bug-free code. Add a few decor...

33   826   826  

flow-runtime

A runtime type system for JavaScript with full Flow compatibility.

57   807   807  

python-email-validator

A robust email syntax and deliverability validation library for Python...

88   802   802  

laravel-validation-rules

A set of useful Laravel validation rules

46   798   798  

form-backend-validation

An easy way to validate forms using back end logic

50   784   784  

Winterfell

Generate complex, validated and extendable JSON-based forms in React.

114   782   782  

typescript-runtime-type-benchmarks

📊 Benchmark Comparison of Packages with Runtime Validation and TypeSc...

82   777   777  

validation

PHP Standalone Validation Library

130   766   766  

formsy-react

A form input builder and validator for React JS

126   762   762  

express-zod-api

A Typescript framework to help you get an API server up and running wi...

36   760   760  

hyperform

Capture form validation back from the browser

36   742   742