The OpenAPI Specification Repository

🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.0 format

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

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI v2 & v3.

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

OpenAPI/Swagger 3.0 Parser and Swift code generator

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

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

Visual Studio extension to work with RAML and OAS (OpenAPI) specifications. You can consume REST APIs, scaffold ASP.NET implementations and extract RAML specifications from existing ASP.Net apps.

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

OpenAPI Spec validator

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

OpenAPI core

Easily create and manage OpenAPI Documents.

(DEPRECATED) Converts between OAS and RAML API specifications

OpenAPI (fka Swagger) spec renderer for Sphinx.

OpenAPI 2.0/3.0.x intellisense, validator, linter, converter and resolver extension for Visual Studio Code

Enrich your OpenAPI 3.0 JSON with code samples

A library for generating completely customizable code from the Open API Specification (FKA Swagger) RESTful API documentation using the scripting power of Node.js.

NodeJS RESTful APIs scaffolding based OpenAPI 3.x specs using oas-tools and express.

Generic library for Viron

Convert Sequelize models into various JSON Schema variants (using the Strategy Pattern)

CLI wrapper around ReadMe's HTTP API

📚Swagger / Open API 3.0 builder and validation library for PHP that helps you write valid specs.

All the OpenAPI specification files for the Nexmo APIs

🍀 Awesome API Documentation and Testing Application

RESTest: Automated Black-Box Testing of RESTful Web APIs

Type-safe REST-focused HTTP client for Rust - via the OpenAPI Specification