OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Generate Go client and server boilerplate from OpenAPI 3 specifications

Sane and flexible OpenAPI 3 schema generation for Django REST framework.

OpenAPI v3 code generator for go

A node package wrapper for https://github.com/OpenAPITools/openapi-generator

A FastAPI based low code starter/boilerplate: SQLAlchemy 2.0 (async), Postgres, React-Admin, pytest and cypress

FastOpenAPI is a library for generating and integrating OpenAPI schemas using Pydantic v2 and various frameworks (AioHttp, Django, Falcon, Flask, Quart, Sanic, Starlette, Tornado).

Build APIs your users love ❤️ with Speakeasy. ✨ Polished and type-safe SDKs. 🌐 Terraform providers, MCP servers, CLIs and Contract Tests for your API. OpenAPI native.

The world's sexiest OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.1, 3.0 and Swagger

Auto-generate OpenAPI 3.0 specs + interactive HTML API UI from your codebase — in seconds.

One SDK to rule them all, and in the codegen bind them

Ktor OpenAPI/Swagger 3 Generator

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

Swagger OpenAPI 3.x generator

TypeScript code generator via OpenAPI scheme.

A collection of Visual Studio code generators for Swagger / OpenAPI specification files

Rust Macros to automate the addition of Paths/Schemas to Utoipa crate, simulating Reflection during the compilation phase

OpenAPI JSON Schema Generator allows auto-generation of API client libraries with a focus on JSON schema given an OpenAPI document

Openapi Generator for Dart/Flutter

Type-driven API Documentation library. Auto-generating REST API document based on TypeScript types.

dotnet CLI tool to generate type-safe F# and Fable clients from OpenAPI/Swagger or OData services

Quenya is a framework to build high-quality REST API applications based on extended OpenAPI spec

OpenAPI Generator - REST Client Generator

OpenAPI definitions, converters and LLM function calling schema composer.

An opinionated OpenAPI v3 code generator for Go. Use this to generate API models and router scaffolding.

Generate Swagger 2.0 or OpenAPI 3.0 documentation for Go with "no" annotations, "no" files, "no" command

🍷 Extensible & type-safe API tooling – generated OpenAPI clients and server-side utilities, for any JavaScript runtime

⚡ Full TanStack Query power in type-safe OpenAPI hooks for React

Monorepo providing 1) OpenAPI to MCP Tool generator 2) Exposing all of Twilio's API as MCP Tools

⚡A lightweight, framework-agnostic OpenAPI 3.x specification builder for Go.