Best Documentation Generators in 2026
Updated
38 documentation generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
38ranked
0free plans on this page
5 Oct 2026last checked
Input list Documentation Generators 13 channels on this page · 30 of 104 spec lines stated by the makers
Ch Tool Free planPaid fromSource inputsAPI reference generationVersioned documentationCI/CD integrationOutput formatsProgramming languages Spec sheet Score
26 RDoc Free planYesPaid fromnot statedSource inputsRuby, C, RBS, RDoc, Markdown, RD, TomDocAPI reference generationYesVersioned documentationnot statedCI/CD integrationYesOutput formatsHTML, RIProgramming languagesRuby, C 6/8spec lines stated 5.7
27 StepShot Free planYesPaid fromnot statedSource inputsscreen captures, screen recordings, mouse clicks, keystrokesAPI reference generationNoVersioned documentationnot statedCI/CD integrationnot statedOutput formatsPDF, Markdown, HTMLProgramming languagesnot stated 4/8spec lines stated 5.7
28 Antora Free plannot statedPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 0/8spec lines stated 5.6
29 AsyncAPI Generator Free plannot statedPaid fromnot statedSource inputsAsyncAPI Document; templatesAPI reference generationYesVersioned documentationnot statedCI/CD integrationYesOutput formatsHTML; Markdown; PDFProgramming languagesJavaScript; Java; Python; TypeScript; Go; C#; PHP 5/8spec lines stated 5.6
30 Scaladoc Free plannot statedPaid fromnot statedSource inputsScala source code, TASTy files, JAR filesAPI reference generationYesVersioned documentationYesCI/CD integrationnot statedOutput formatsHTMLProgramming languagesScala 5/8spec lines stated 5.6
31 TechWriter for Databases Free planNoPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 1/8spec lines stated 5.6
32 YARD Free planYesPaid fromnot statedSource inputsRuby, RDoc, MarkdownAPI reference generationYesVersioned documentationnot statedCI/CD integrationnot statedOutput formatsHTML, YAMLProgramming languagesRuby 5/8spec lines stated 5.6
33 Swagger Codegen Free plannot statedPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 0/8spec lines stated 5.4
34 Doc-O-Matic Free planNoPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 1/8spec lines stated 5.3
35 JSDoc Free planYesPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 1/8spec lines stated 5.0
36 phpDocumentor Free plannot statedPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 0/8spec lines stated 5.0
37 TypeDoc Free planYesPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 1/8spec lines stated 5.0
38 unittest Free planYesPaid fromnot statedSource inputsnot statedAPI reference generationnot statedVersioned documentationnot statedCI/CD integrationnot statedOutput formatsnot statedProgramming languagesnot stated 1/8spec lines stated 5.0
Compare all 13 in a table
| # | Tool | Score | Free plan | Free plan | Paid from | Source inputs | API reference generation |
|---|---|---|---|---|---|---|---|
| 26 | RDoc | 5.7 | No | Yes | — | Ruby, C, RBS, RDoc, Markdown, RD, TomDoc | Yes |
| 27 | StepShot | 5.7 | No | Yes | — | screen captures, screen recordings, mouse clicks, keystrokes | No |
| 28 | Antora | 5.6 | No | — | — | — | — |
| 29 | AsyncAPI Generator | 5.6 | No | — | — | AsyncAPI Document; templates | Yes |
| 30 | Scaladoc | 5.6 | No | — | — | Scala source code, TASTy files, JAR files | Yes |
| 31 | TechWriter for Databases | 5.6 | No | No | — | — | — |
| 32 | YARD | 5.6 | No | Yes | — | Ruby, RDoc, Markdown | Yes |
| 33 | Swagger Codegen | 5.4 | No | — | — | — | — |
| 34 | Doc-O-Matic | 5.3 | No | No | — | — | — |
| 35 | JSDoc | 5.0 | No | Yes | — | — | — |
| 36 | phpDocumentor | 5.0 | No | — | — | — | — |
| 37 | TypeDoc | 5.0 | No | Yes | — | — | — |
| 38 | unittest | 5.0 | No | Yes | — | — | — |
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