18.4
Scalar is a collection of API products for documentation, client generation, API management, requests, and MCP server use.
Free planOpen sourceWebAPILinux
Best Technical Writing Platforms in 2026
28.0
Mintlify is a documentation and knowledge platform for developers and AI agents.
Free planWebAPILinux
37.8
Fern Docs builds interactive documentation websites from Markdown and API specifications, while Fern also generates strongly typed client libraries.
Free planOpen sourceWebAPILinux
- 4
VitePress
VitePress turns Markdown content into themed static HTML pages for documentation and other content-focused websites.
Free planOpen sourceWebAPILinuxmacOS7.7Free plan - 5
GitBook
GitBook is a collaborative platform for creating, reviewing, and publishing branded documentation websites.
Free planWebAPI7.6From $65 a month - 6
Paligo
Paligo is a cloud-based component content management system for creating, organizing, translating, and publishing technical documentation and other knowledge content.
Free planWebAPI7.5Free plan - 7
HelpNDoc
HelpNDoc is Windows software for creating and publishing documentation for different audiences.
Free planAPISelf-hostedWindows7.4€99 one-time - 8
SwaggerHub
SwaggerHub is a toolkit for API design, testing, documentation, and governance.
Free planWebSelf-hosted7.1From $740 a year - 9
Jupyter Book
Jupyter Book is a free, open-source tool for turning computational material into publishable narratives.
Free planWebLinuxmacOSSelf-hosted7.0Free plan - 10
Redocly
WebAPIExtension7.0From $10 a month - 11
Sphinx
Sphinx is a free Python application for building technical documentation from structured text.
Free planWebAPILinuxmacOS7.0Free plan - 12
MadCap Flare
MadCap Flare is an authoring and publishing platform for technical documentation, online help, knowledge bases, policies, training materials, and API documentation.
WebWindows6.7 - 13
ReadMe
Free planWeb6.7From $250 a month - 14
ClickHelp
ClickHelp is a cloud documentation platform for authoring, hosting and publishing technical documentation.
WebAPI6.6From $2,328 a year - 15
Read the Docs
Read the Docs hosts documentation for open-source projects and teams, with automatic builds, versioning, search, pull request previews, and CDN…
Web6.5From $50 a month - 16
DocFX
DocFX is a free static site generator for technical documentation.
Free planAPILinuxmacOSSelf-hosted6.4Free plan - 17
Stoplight Elements
Free planWebSelf-hosted6.4Free plan - 18
Archbee
Archbee is documentation software available on the web and for Windows, macOS, and Linux.
WebWindowsmacOSLinux6.3From $80 a month - 19
Docusaurus
Docusaurus is a static-site generator for building documentation websites as React single-page applications.
Free planWebSelf-hosted6.3Free plan - 20
Antora
Antora is a documentation site generator for technical writers working in AsciiDoc.
LinuxmacOSSelf-hostedWindows6.2From $14,000 a year - 21
Doxygen
Doxygen is a free documentation generator that turns source-code comments into documentation and parses classes, functions and variables.
Free planLinuxmacOSWindows6.2Free plan - 22
HelpSmith
HelpSmith is a Windows desktop authoring tool for creating help files and documentation from one XML-based source.
Windows6.1$199 one-time - 23
MkDocs
MkDocs is a free static site generator for project documentation written in Markdown and configured with a YAML file.
LinuxmacOSSelf-hostedWindows6.1 - 24
Document360
Document360 provides software for creating and managing knowledge bases and documentation for customers and employees.
WebAPIExtension5.9 - 25
Docsify
Docsify is an open-source documentation site generator that turns Markdown files into a website.
WebSelf-hosted5.8