A json validator that has an option to check for duplicated keys

Validates cron expressions

A simple express.js lightweight body, params and query validator.

With the Owlin query validator you can validate the Owlin query language.

A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.

Convert class-validator-decorated classes into JSON schema

Hooks for managing, caching and syncing asynchronous and remote data in React

Sets default values in request properties according to defaults defined in openapi parameter lists.

Valida, formata e gera strings de CPF ou CNPJ, com suporte ao novo formato alfanumérico da RFB e adapters para joi, yup e zod.

A fast and easy to use JSON Schema validator

Console reporter for @statoscope/stats-validator

Validate XML for Syntax and Business rules without C/C++ based libraries

An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.

Starlight plugin to validate internal links.

Validates password according to flexible and intuitive specifications

CSS validator built on csstree

A JavaScript implementation of a extendable, fully compliant JSON Schema validator.

Validator middleware using Standard Schema

JavaScript port of Apache Commons Validator

React Query Builder component for constructing queries and filters, with utilities for executing them in various database and evaluation contexts