API Transformer
OpenAPI Generator
Widdershins
API Spec Converter
Swagger Codegen
AutoRestCodeGenerator
NSwagCodeGenerator
create-api.dev by Kong
CraftAPI
deployd
EchoAPI
Fireapis
GraphApi.io
ItemsAPI
JSON-API-APP
API Transformer
create-api.dev by KongOpenAPI Generator - OpenAPI Generator enables you to generate documentation, clients, and servers from OpenAPI 2.0/3.x documents without hassle.
CraftAPI - Mock your APIs and auto-generate code for any framework
Widdershins - Widdershins is an open-source, easy to use Semoasa/ OpenAPI/ AsyncAPI/ definition to ReSlate/Slate compatible markdown released under the MIT License.
deployd - API development tool for Web and Mobile developers.
API Spec Converter - API Spec Converter is an open-source solution that enables you to transform API descriptions between major formats like WADL, OpenAPI (fka Swagger), API Blueprint, RAML, and more.
EchoAPI - Next-gen API development collaboration platform. More than just API design, debug, test, load-testing, and mock.