swagger.io - Swagger is an open source RESTapi Documentation Tool.
JSDoc - An API documentation generator for JavaScript.
Optic - Automate routine programming
ng-docx - Ng-docx is a library that automatically generates a documentation page to easily and beautifully view your markdowns.
Swagger UI - Swagger UI is a dependency-free collection of HTML, Javascript, and CSS assets that dynamically generate beautiful documentation from a Swag
Doxygen - Generate documentation from source code