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

Sites and apps similar to ApiNotes include swagger.io, which is free and open source. Other options are Docsie, Produkt.so, Slate API Docs Generator and Daux.io. There's no shortage of Documentation Generators like ApiNotes, with more than 25 alternatives for Windows, Linux, Mac and self-hosting.

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.





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:
NDoc generates class library documentation from .NET assemblies and the XML documentation files generated by the C# compiler (or with an add-on tool for VB.NET).
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.




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

