Best 20+ Hashnode Alternatives in 2025

Mintlify is a documentation platform that transforms markdown files into polished, interactive websites. It works by connecting to your code repository and automatically building documentation sites whenever you make changes. The platform includes an AI assistant that helps write content, suggests improvements, and answers user questions directly in the docs.

Fern is a platform that automatically generates SDKs and API documentation from your API definition. You provide your OpenAPI, AsyncAPI, or gRPC specification, and Fern creates ready-to-use client libraries in languages like TypeScript, Python, Go, Java, Ruby, C#, PHP, and Swift.

Docusaurus is a static site generator built with React and Node.js. It takes your Markdown files and creates a complete documentation website with all the features users expect. Unlike building a website from scratch, Docusaurus handles the hard parts for you.

Readme is a platform that lets you create and publish interactive developer documentation for your APIs. Unlike traditional documentation tools, Readme automatically generates API references from your OpenAPI or Swagger files and keeps everything in sync with your code.

Redocly is an API documentation platform that helps you build professional developer portals. You start with an OpenAPI file that describes your API, and Redocly transforms it into clean, readable documentation with examples and interactive features.

Confluence is an online workspace where teams create and share documents, project plans, and company knowledge. You can think of it as a shared notebook that your entire organization can access and update together.

GitBook is a cloud-based tool designed specifically for creating documentation. Think of it as a specialized writing platform where you can build everything from simple user guides to complex API documentation. The platform uses a block-based editor, similar to modern website builders, making it easy to add text, images, code examples, and other content without coding knowledge.

Apidog is a platform that handles the complete process of creating and managing APIs. You can design your API structure, test how it works, create clear documentation, and share it with your team, all from one application.

Astro Starlight is a documentation theme built on the Astro web framework. It provides a ready-made structure for creating documentation websites that are fast, accessible, and easy to maintain. Unlike other documentation tools, Starlight ships minimal JavaScript to the browser, resulting in faster load times and better performance.

MkDocs is a documentation generator that converts Markdown files into complete static HTML websites. You write your content in Markdown, which is a simple text format that anyone can learn in minutes. MkDocs then processes these files and creates a full website with navigation, search, and beautiful design.