433 Open source projects that are alternatives of or similar to React Required If

A set of useful Laravel validation rules

Vanilla javascript form validation micro-library

Unique validation for Objection.js

Validot is a performance-first, compact library for advanced model validation. Using a simple declarative fluent interface, it efficiently handles classes, structs, nested members, collections, nullables, plus any relation or combination of them. It also supports translations, custom logic extensions with tests, and DI containers.

Elegant and composable validations

The JSON Schema I-D sources

Automatically validating Eloquent models for Laravel

A Go library for validating structs, maps and slices.

🛰 Skema provides a handy & composable way to validate / transform / purify the input data.

Functional validations inspired by Ruby's ActiveModel

Checks that all dependencies in your package.json have supported versions installed and complies with your specified node engine version range

Functional reactive forms. Multi-layer validation, custom styling, field grouping, reactive props, and much more.

🛂 A result type that accumulates multiple errors.

Uploadcare Widget, an ultimate tool for HTML5 file upload supporting multiple file upload, drag&drop, validation by file size/file extension/MIME file type, progress bar for file uploads, image preview.

Validator for Swedish personal identity numbers (personnummer). For use "standalone" or with Laravel.

Express.js middleware for "Host" and "Referer" header validation to protect against DNS rebinding attacks.

A simple JavaScript validation library that doesn't interfere

💯 简单灵活的表单验证插件，支持小程序、浏览器以及Nodejs端使用

A simple credit card validation Python library with no dependencies

TypeScript Declarative Validation for Joi

Vue Prop Types definitions

Build and document REST APIs with aiohttp and apispec

Basic setup framework for creating a Laravel JSON-API server

A simple react form validator inspired by Laravel validation.

String validation

Alternative syntax for prop types providing both static and runtime type safety, powered by io-ts

Javascript based form validation library, third party library / framework agnostic.

It validates PSR-7 messages (HTTP request/response) against OpenAPI specifications

Swagger 2.0 and OpenAPI 3.0 command-line tool

Design by contract for Python with static checker and tests' generation.

Type-safe YAML parser and validator.

Create and Validate PHP Forms in Seconds.

Visualize your React components as you interact with your application.

✅ React form state management and validation

Partial Lenses Validation is a JavaScript library for validating and transforming data

✅ A Go library for email verification without sending any emails.

Configurable API gateway that acts as a reverse proxy with a plugin system.

DevExpress XAF extension framework. 𝗹𝗶𝗻𝗸𝗲𝗱𝗶𝗻.𝗲𝘅𝗽𝗮𝗻𝗱𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸.𝗰𝗼𝗺, 𝘆𝗼𝘂𝘁𝘂𝗯𝗲.𝗲𝘅𝗽𝗮𝗻𝗱𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸.𝗰𝗼𝗺 and 𝘁𝘄𝗶𝘁𝘁𝗲𝗿 @𝗲𝘅𝗽𝗮𝗻𝗱𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 and or simply 𝗦𝘁𝗮𝗿/𝘄𝗮𝘁𝗰𝗵 this repository and get notified from 𝗚𝗶𝘁𝗛𝘂𝗯

Simple API, Complex Emails (JavaMail smtp wrapper)

Allows uniting of several validation rules into single one for easy re-usage

Robustly checks an array of URLs for liveness. Extremely fast ⚡

ASP.NET Core - Transform server-side validations to client-side without writing any javascript code. (Compatible with Fluent Validation)

Java library to support the BagIt specification.

redux-form-validators

A simple jQuery plugin to validate forms.

Database access layer for golang

🏁 High performance subscription-based form state management for React

Credit Card Validation

A mini Scala utility library

Framework agnostic validation library for PHP

golang JSON validation library.

Worldwide postal code validation for Laravel and Lumen

Coerce props to whatever you want

Unicorn - W3C's Unified Validator

A reasonably safe JSON Schema validator with draft-04/06/07/2019-09 support.

Micro check library in Golang.

A joi validation middleware for Express.

ember-i18n support for ember-changeset-validations messages

Accord: A sane validation library for Scala

A library and command line interface for formatting and linting Dockerfiles.