Best Documentation Generators in 2026
29 documentation generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Source inputs | |
|---|---|---|---|---|---|---|---|---|
| 1 | Sphinx | 8.9 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 2 | Scalar | 8.8 | RecognisedAPIDocumented | $150/mo | Yes | 150 /mo | — | View |
| 3 | Redocly | 8.6 | RecognisedAPIDocumented | $10/mo | No | — | — | View |
| 4 | DocFX | 8.5 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 5 |  MkDocs | 7.4 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 6 | Asciidoctor | 6.9 | RecognisedAPIDocumented | Free | Yes | — | AsciiDoc files; AsciiDoc strings | View |
| 7 | Stoplight Elements | 6.9 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 8 | Doxygen | 6.8 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 9 |  mdBook | 6.5 | RecognisedAPIDocumented | Free | Yes | — | Markdown | View |
| 10 |  Sandcastle Help File Builder | 6.5 | RecognisedAPIDocumented | Free | Yes | — | managed assemblies, XML comments, Visual Studio solutions and projects, Markdown, MAML | View |
| 11 | ExDoc | 6.4 | RecognisedAPIDocumented | Free | Yes | — | Elixir, Erlang, Markdown, Livebooks, cheatsheets, plain text | View |
| 12 | Antora | 6.3 | RecognisedAPIDocumented | — | — | — | — | View |
| 13 |  Natural Docs | 6.3 | RecognisedAPIDocumented | Free | Yes | — | source code, text files | View |
| 14 |  PyDoctor | 6.2 | RecognisedAPIDocumented | Free | Yes | — | Python modules, Python packages, C modules | View |
| 15 |  RDoc | 5.9 | RecognisedAPIDocumented | Free | Yes | — | Ruby, C, RBS, RDoc, Markdown, RD, TomDoc | View |
| 16 |  TypeDoc | 5.8 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 17 |  YARD | 5.8 | RecognisedAPIDocumented | Free | Yes | — | Ruby, RDoc, Markdown | View |
| 18 |  rustdoc | 5.8 | RecognisedAPIDocumented | Free | Yes | — | Rust crate roots, Markdown files | View |
| 19 | AsyncAPI Generator | 5.7 | RecognisedAPIDocumented | — | — | — | AsyncAPI Document; templates | View |
| 20 |  Scaladoc | 5.5 | RecognisedAPIDocumented | — | — | — | Scala source code, TASTy files, JAR files | View |
| 21 |  JSDoc | 5.3 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 22 |  StepShot | 5.3 | RecognisedAPIDocumented | Free | Yes | — | screen captures, screen recordings, mouse clicks, keystrokes | View |
| 23 |  Jazzy | 5.2 | RecognisedAPIDocumented | — | — | — | Swift source, Objective-C source, Xcode projects, Swift Package Manager projects, compiled Swift modules, frameworks, symbol graph files, SourceKitten JSON, Markdown guides | View |
| 24 | phpDocumentor | 5.1 | RecognisedAPIDocumented | — | — | — | — | View |
| 25 | JSON Schema for Humans | 4.9 | RecognisedAPIDocumented | — | — | — | JSON, YAML | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which documentation generator is ranked first on Inferse?
Sphinx is ranked #1 of 29 with a score of 8.9. Scalar is second and Redocly third.
How many of these have a free plan?
19 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Redocly has the lowest first paid tier we found: $10/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.