ajv
Another JSON Schema Validator
Latest release 6.12.3 - Updated - 7.68K stars
mongoose
Mongoose MongoDB ODM
Latest release 5.9.24 - Updated - 21.1K stars
joi
Object schema validation
Latest release 14.3.1 - Updated - 15.1K stars
schema-utils
webpack Validation Utils
Latest release 2.7.0 - Updated - 119 stars
@hapi/joi
Object schema validation
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is-my-json-valid
A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.
Latest release 2.20.4 - Updated - 908 stars
json-schema
JSON Schema validation and specifications
Latest release 0.2.5 - Updated - 449 stars
fastify
Fast and low overhead web framework, for Node.js
Latest release 3.0.2 - Updated - 15K stars
marshmallow
A lightweight library for converting complex datatypes to and from native Python datatypes.
Latest release 3.7.0 - Updated - 4.82K stars
jsonschema
A fast and easy to use JSON Schema validator
Latest release 1.2.5 - Updated - 1.19K stars
io-ts
TypeScript runtime type system for IO decoding/encoding
Latest release 2.2.7 - Updated - 3.24K stars
justinrainbow/json-schema
A library to validate a json schema.
Latest release 5.2.9 - Updated - 2.51K stars
json-schema-ref-parser
Parse, Resolve, and Dereference JSON Schema $ref pointers
Latest release 9.0.3 - Updated - 446 stars
@ngtools/json-schema
Schema validating and reading for configurations, similar to Angular CLI config.
Latest release 1.2.0 - Updated - 23.3K stars
doctrine/doctrine-migrations-bundle
Symfony DoctrineMigrationsBundle
Latest release 3.0.0 - Updated - 3.04K stars
convict
Featureful configuration management library for Node.js (nested structure, schema validation, etc.)
Latest release 6.0.0 - Updated - 1.56K stars
json-schema-to-typescript
compile json schema to typescript typings
Latest release 9.1.1 - Updated - 1.27K stars
tv4
A public domain JSON Schema validator for JavaScript
Latest release 1.3.0 - Updated - 938 stars
graphql-compose
GraphQL schema builder from different data sources with middleware extensions.
Latest release 7.18.1 - Updated - 797 stars
swagger-parser
Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers
Latest release 10.0.0 - Updated - 613 stars
fast-json-stringify
Stringify your JSON at max speed
Latest release 2.2.1 - Updated - 1.69K stars
protocol-buffers-schema
No nonsense protocol buffers schema parser written in Javascript
Latest release 3.4.0 - Updated - 83 stars
har-schema
JSON Schema for HTTP Archive (HAR)
Latest release 2.0.0 - Updated - 12 stars
@graphql-codegen/testing
GraphQL Codegen Testing Utils
Latest release 1.17.1-alpha-fe380040.0 - Updated - 4.97K stars
@graphql-codegen/typescript-operations
GraphQL Code Generator plugin for generating TypeScript types for GraphQL queries, mutations, sub...
Latest release 1.17.1-alpha-fe380040.0 - Updated - 4.97K stars
superstruct
A simple, expressive way to validate data in JavaScript.
Latest release 0.10.12 - Updated - 4.28K stars
Cerberus
Lightweight, extensible schema and data validation tool for Python dictionaries.
Latest release 1.3.2 - Updated - 1.85K stars
js-data
Robust, framework-agnostic in-memory data store.
Latest release 4.0.0-beta.4 - Updated - 1.54K stars
graphql-cli
Command line tool for common GraphQL development workflows
Latest release 4.0.1-beta.6 - Updated - 1.5K stars
graphql-middleware
GraphQL Middleware done right!
Latest release 4.0.2 - Updated - 597 stars
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