📘 OpenAPI/Swagger-generated API Reference Documentation.
Generate beautiful API documentation from OpenAPI

Redoc is an open source tool for generating documentation from OpenAPI (formerly Swagger) definitions.

Document, Test & Discover APIs.

The modern open-source developer experience platform for your APIs.
Create world-class API Docs with a built-in interactive playground
which seamlessly turns to a full featured API Client.

Scalar is an open-source platform with:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

• Scalar @ GitHub.

Describe APIs. Describe your data up front and generate schemas, API specifications, client / server code, docs, and more.

TypeSpec is a language for defining cloud service APIs and shapes. TypeSpec is a highly extensible language with primitives that can describe API shapes common among REST, OpenAPI, gRPC, and other protocols.

• TypeSpec @ GitHub.
• Introduction to TypeSpec @ Nordic APIs.
• After 6 years of using GraphQL in production we aren't reaching for it as much as we once did. @ Mahdi Y.'s LinkedIn.

Terminal UI to list, browse and run APIs defined with openapi spec.

Terminal UI to list, browse and run APIs defined with OpenAPI v3.0 spec.

API Code & Client Generator.

Swagger Codegen can simplify your build process by generating server stubs and client SDKs for any API, defined with the OpenAPI (formerly known as Swagger) specification, so your team can focus better on your API’s implementation and adoption.

Swagger Codegen @ GitHub

Redoc is an open-source tool for generating documentation from OpenAPI (fka Swagger) definitions.