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

The most comprehensive collection of quality OpenAPI tooling, curated by Phil Sturgeon and the team at APIs You Won't Hate.

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 most powerful OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.2, 3.1 and 3.0

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