StyleDocco : StyleDocco generates documentation and style guide documents from your stylesheets.
phpDocumentor : phpDocumentor enables you to generate documentation from your PHP source code. This documentation provides an in-depth view of your project to you, yo...
AI21 Studio : AI21 Studio allows users to generate text completions for an input prompt using Jurassic-1 language models.
Alpaca : Given a web API, Generate client libraries in node, php, python, ruby
Swagger is a powerful open source framework backed by a large ecosystem of tools that helps you design, build, document, and consume your RESTful APIs.