Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Node.JS

ApiNotes is described as 'The API documentation tool that creates interactive REST API documentation and developer portals in minutes. Auto-generate from OpenAPI & Swagger specs—no coding required' and is a documentation generator in the development category. There are more than 25 alternatives to ApiNotes, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Self-Hosted apps. The best ApiNotes alternative is swagger.io, which is both free and Open Source. Other great sites and apps similar to ApiNotes are Docsie, Produkt.so, Slate API Docs Generator and Daux.io.

Docsie is a multilingual documentation solution that reduces documentation time by 60% through features like collaborative editing, real-time updates, a searchable repository, interactive checklists, and AI-powered chatbots. It also enables automation, version control, media upload, and supports diverse languages.




Produkt.so is a sleek, Notion-inspired help center platform built for tech startups and small teams. It offers a fast, block-based editor to write articles, organizes content into collections, and supports attachments up to 50 MB.




Create beautiful, intelligent, responsive API documentation.

Daux.io is a documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly. It helps you create great looking documentation in a developer friendly way.




Sandcastle produces accurate, MSDN style, comprehensive documentation by reflecting over the source assemblies and optionally integrating XML Documentation Comments. Sandcastle has the following key features:
Document! X is a combination of an automated documentation tool and a full authoring environment which can be used to create, publish and maintain accurate, professional quality documentation for .NET, Web Services, Databases, XSDs, Java ,Javascript.




Codex is a simple file-based Markdown documentation platform built on top of Laravel. It's completely customizable and dead simple to use to create beautiful documentation.

ReadMe is a completely customizable and collaborative place for dynamic API and/or product documentation. Users can play around with the API right in the docs, automatically generated from a Swagger / OAS file. It also works as a knowledge base platform.


ApiGen is the tool for creating professional API documentation from PHP source code, similar to phpDocumentor 2 .