JSON Schema tools are now being written for v4 of the draft, but v3 schemas still exist out in the wild.
Checks if request body is valid
TypeScript SDK for the Wachai validation protocol (beta): create, sign, and verify ERC-8004 mandates and drive on-chain validation flows on Base Sepolia.
JSON Schema Compiled checK
Abstraction library for interacting with the Kosu contract system governance functions.
Grunt plugin to validate XML files and test if the documents are well-formed using a XSD schema
GLSL Validator for glsl-transition
Ultra-fast Zod 4 drop-in replacement - 20x faster average, full API parity, SIMD WASM, 28KB binary
validator
✅ Zero dependency universal TypeScript validation library
A lightweight form validation library with modular functions
A DSL for building validations.
A validator for norwegian birthnumbers, accountnumbers, kidnumbers and org.numbers
Validate email address patterns that others don't. This project aims to support all common addresses along with many rare ones that are considered valid under RFC standards. It can be used in both client and server side environments.
CLEO agent protocols and templates
Simple validation system based on decorators to enable a class to validate a subject properties.
Class-based validation with Typescript / ES6 / ES5 using decorators or validation schemas. Supports both node.js and browser
Alpine plugin to easily validate forms
A world-class Joi validation error formatter for structured, user-friendly error handling.
Tool for deploying Polkadot nodes
Trian.js Validator - A TypeScript validation library
A production-ready AST security guard for JavaScript - validate, protect, and enforce code safety with extensible rules
Library to validate data compliance with the Canonical Reducer Composition design pattern.
Automatically validate API requests and responses with OpenAPI 3 and Express.