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ajv

Another JSON Schema Validator

esp
published version 8.17.1, a year ago13700 dependents licensed under $MIT
574,753,489

zod

TypeScript-first schema declaration and validation library with static type inference

colinhacks
published version 3.25.47, 10 hours ago29288 dependents licensed under $MIT
125,493,189

json-schema

JSON Schema validation and specifications

kriszyp
published version 0.4.0, 4 years ago1551 dependents licensed under $(AFL-2.1 OR BSD-3-Clause)
95,374,561

@eslint/object-schema

An object schema merger/validator

eslintbot
published version 2.1.6, 4 months ago50 dependents licensed under $Apache-2.0
65,888,589

joi

Object schema validation

marsup
published version 17.13.3, a year ago13069 dependents licensed under $BSD-3-Clause
48,980,001

har-schema

JSON Schema for HTTP Archive (HAR)

ahmadnassri
published version 2.0.0, 8 years ago462 dependents licensed under $ISC
57,963,228

zod-to-json-schema

Converts Zod schemas to Json Schemas

stefan-terdell
published version 3.24.5, 2 months ago1559 dependents licensed under $ISC
32,101,532

@apidevtools/json-schema-ref-parser

Parse, Resolve, and Dereference JSON Schema $ref pointers

philsturgeon
published version 12.0.2, 21 days ago438 dependents licensed under $MIT
22,330,164

@apideck/better-ajv-errors

Human-friendly JSON Schema validation for APIs

eliasmeire
published version 0.3.6, 3 years ago25 dependents licensed under $MIT
14,665,017

jsonschema

A fast and easy to use JSON Schema validator

tdegrunt
published version 1.5.0, 5 months ago2637 dependents licensed under $MIT
16,056,014

@bufbuild/protobuf

A complete implementation of Protocol Buffers in TypeScript, suitable for web browsers and Node.js.

tstamm-buf
published version 2.5.1, 5 days ago599 dependents licensed under $(Apache-2.0 AND BSD-3-Clause)
12,653,070

superstruct

A simple and composable way to validate data in JavaScript (and TypeScript).

artmllr
published version 2.0.2, a year ago742 dependents licensed under $MIT
10,345,574

fast-json-stringify

Stringify your JSON at max speed

fdawgs
published version 6.0.1, 5 months ago181 dependents licensed under $MIT
11,485,689

mongoose

Mongoose MongoDB ODM

vkarpov15
published version 8.15.1, 7 days ago20085 dependents licensed under $MIT
13,354,468

@fastify/ajv-compiler

Build and manage the AJV instances for the fastify framework

fdawgs
published version 4.0.2, 5 months ago8 dependents licensed under $MIT
9,256,099

fastify

Fast and low overhead web framework, for Node.js

eomm
published version 5.3.3, 20 days ago2860 dependents licensed under $MIT
10,091,535

@apidevtools/openapi-schemas

JSON Schemas for every version of the OpenAPI Specification

jamesmessinger
published version 2.1.0, 4 years ago7 dependents licensed under $MIT
8,894,691

tv4

A public domain JSON Schema validator for JavaScript

geraintluff
published version 1.3.0, 8 years ago571 dependents
9,172,014

oas-schema-walker

Library to walk OAS 3 schema objects and call a callback

mermade
published version 1.1.5, 5 years ago21 dependents licensed under $BSD-3-Clause
8,012,048

@exodus/schemasafe

JSON Safe Parser & Schema Validator

chalker
published version 1.3.0, 2 years ago26 dependents licensed under $MIT
9,049,492