ajv
Another JSON Schema Validator
Latest release 8.6.0 - Updated - 9.39K stars
joi
Object schema validation
Latest release 17.4.0 - Updated - 16.8K stars
mongoose
Mongoose MongoDB ODM
Latest release 5.12.13 - Updated - 22.7K stars
json-schema
JSON Schema validation and specifications
Latest release 0.3.0 - Updated - 467 stars
fastify
Fast and low overhead web framework, for Node.js
Latest release 3.17.0 - Updated - 19.1K stars
@hapi/joi
Object schema validation
Latest release 17.1.1 - Updated - 16.8K stars
justinrainbow/json-schema
A library to validate a json schema.
Latest release 5.2.10 - Updated - 3K stars
is-my-json-valid
A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.
Latest release 2.20.5 - Updated - 920 stars
schema-utils
webpack Validation Utils
Latest release 3.0.0 - Updated - 135 stars
marshmallow
A lightweight library for converting complex datatypes to and from native Python datatypes.
Latest release 3.12.1 - Updated - 5.49K stars
io-ts
TypeScript runtime type system for IO decoding/encoding
Latest release 2.2.16 - Updated - 4.31K stars
doctrine/doctrine-migrations-bundle
Symfony DoctrineMigrationsBundle
Latest release 3.1.0 - Updated - 3.57K stars
convict
Featureful configuration management library for Node.js (nested structure, schema validation, etc.)
Latest release 6.1.0 - Updated - 1.7K stars
jsonschema
A fast and easy to use JSON Schema validator
Latest release 1.4.0 - Updated - 1.43K stars
tv4
A public domain JSON Schema validator for JavaScript
Latest release 1.3.0 - Updated - 1.11K stars
json-schema-ref-parser
Parse, Resolve, and Dereference JSON Schema $ref pointers
Latest release 9.0.9 - Updated - 562 stars
@ngtools/json-schema
Schema validating and reading for configurations, similar to Angular CLI config.
Latest release 1.2.0 - Updated - 24.6K stars
json-schema-to-typescript
compile json schema to typescript typings
Latest release 10.1.4 - Updated - 1.66K stars
graphql-compose
GraphQL schema builder from different data sources with middleware extensions.
Latest release 9.0.1 - Updated - 981 stars
github.com/gorilla/schema
Package gorilla/schema fills a struct with form values.
Latest release v1.2.1-0.20210520150355-8285576f31af - Updated - 911 stars
fast-json-stringify
Stringify your JSON at max speed
Latest release 2.7.6 - Updated - 2.01K stars
swagger-parser
Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers
Latest release 10.0.2 - Updated - 730 stars
nette/schema
📐 Nette Schema: validating data structures against a given Schema.
Latest release v1.2.1 - Updated - 351 stars
protocol-buffers-schema
No nonsense protocol buffers schema parser written in Javascript
Latest release 3.5.1 - Updated - 96 stars
har-schema
JSON Schema for HTTP Archive (HAR)
Latest release 2.0.0 - Updated - 16 stars
postgraphile
A GraphQL schema created by reflection over a PostgreSQL schema 🐘 (previously known as PostGraphQL)
Latest release 4.12.3 - Updated - 10.3K stars
@graphql-codegen/typescript-operations
GraphQL Code Generator plugin for generating TypeScript types for GraphQL queries, mutations, sub...
Latest release 1.18.1-alpha-a567842a.0 - Updated - 6.94K stars
@graphql-codegen/testing
GraphQL Codegen Testing Utils
Latest release 1.17.8-alpha-f79b3113.0 - Updated - 6.94K stars
superstruct
A simple and composable way to validate data in JavaScript (and TypeScript).
Latest release 0.15.2 - Updated - 4.93K stars
Cerberus
Lightweight, extensible schema and data validation tool for Python dictionaries.
Latest release 1.3.4 - Updated - 2.5K stars
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