Simple Validations for objects
Validator input of data
An automatically generated extraction of just the simulator portion of Pokémon Showdown
This package makes sure that all your values are validated, such as email, password, debit card, passport number, and several other validations.
Makes Angular models async validation a little less painful.
Rebus3 export validator
A JavaScript library for validating barcodes. Supported symbologies: EAN-13, EAN-8
Satsuma's CLI for managing custom graphql queries.
Javascript key validator
Modern Buffer API polyfill without footguns
Plugin validator
Configurable and extensible validator/linter for OpenAPI documents
XSD schema validator — fork of xsd-validator with updated dependencies
Express 4 adapter for @aahoughton/oav-core. Ships a request-validator middleware factory plus standalone helpers (httpRequestFromExpress, renderProblemDetails) for callers that want to compose their own.
Vue component to integrate Disqus comments in your application, with support for SPA
Exception handle module for ens fierte
Agent commerce SDK — identity middleware (Hono, Express, Fastify, Next.js, Web Fetch) + payment helpers + 402 builders + discovery + Stripe multichain. The full merchant-side toolkit for AgentScore-powered agent commerce.
n8n workflow validator using official n8n validation engine - identical to n8n editor behavior
Biome is a toolchain for the web: formatter, linter and more

A plugin for 11ty which validates your site's HTML after build.
Library to validate Stripe's supported credit cards
Check version ranges like `>=N` and `X || Y || Z` with support for Node.js, Web Browsers, Deno, and TypeScript.
Streamlined form validation library with chainable API