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

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.

Onmyoji Auto Script | 阴阳师脚本

OAS-driven Frontend-NoCode Administration Console

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

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

vacuum is the worlds fastest OpenAPI 3, OpenAPI 2 / Swagger linter and quality analysis tool. Built in go, it tears through API specs faster than you can think. vacuum is compatible with Spectral rulesets and generates compatible reports.

OpenAPI/Swagger 3.0 Parser and Swift code generator

libopenapi is a fully featured, high performance OpenAPI 3.1, 3.0 and Swagger parser, library, validator and toolkit for golang applications.

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.

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

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

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

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

RESTest: Automated Black-Box Testing of RESTful Web APIs

Tool which generates full picture of coverage of API tests based on OAS (Swagger) v2 and v3

Concise DSL for generating OpenAPI Specification 3 (OAS3) JSON documentation for Ruby application.