eclipse-vertx/vertx-json-schema

JSON Schema Validator for the JVM, implements draft2020-12

A fast Java JSON schema validator that supports draft V4, V6, V7, V2019-09 and V2020-12

JSON Schema Validation, Annotation, and Bundling. Supports Draft 04, 06, 07, 2019-09, 2020-12, OpenAPI 3.0, and OpenAPI 3.1

High-performance .NET JSON Schema validator implementation based on System.Text.Json. Supports Draft 7, 2019-09, and 2020-12; includes fluent validation and schema creation from .NET types.

JSON Schema for PHP

The ultra high-performance C++ JSON Schema validator, providing validation even down to the nano-second range (depends on schemas and hardware) along with perfect compliance scores. Supports Draft 4, Draft 6, Draft 7, 2019-09, 2020-12, and OpenAPI 3.0+. For both servers and embedded devices

The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

JSONSchema (draft 2020-12, draft 2019-09, draft-7, draft-6, draft-4) Validation using Go