The OpenAPI Specification Repository

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.x format

Onmyoji Auto Script | 阴阳师脚本

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.

vacuum is the worlds fastest and most versatile OpenAPI, AsyncAPI & JSON Schema linter, docs generator and toolkit. It tears through API specs at light speed. 100% compatible with Spectral rulesets, and OpenAPI 3.0, 3.1 and 3.2

OAS-driven Frontend-NoCode Administration Console

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.

😎 A list of awesome projects related to OpenAPI 3.0.x, curated by the community

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

OpenAPI/Swagger 3.0 Parser and Swift code generator

OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.

Openapi-core is a Python library that adds client-side and server-side support for the OpenAPI v3.0 and OpenAPI v3.1 and OpenAPI v3.2 specification.

PHP-code generator for Laravel framework, with complete support of JSON-API data format

A set of packages and tools for working with OpenAPI, Swagger, Arazzo and Overlay Specification documents.

API Generator - instantly generate REST and GraphQL APIs (openapi (OAS) 3.0.0)

RESTest: Automated Black-Box Testing of RESTful Web APIs

An object oriented approach to generating OpenAPI specs, implemented in PHP.

OpenAPI - Getting started, and the specification explained