Free and open first
Best Documentation Generators in 2026 — page 2
- 37 apps
- Research read 23 Sept 2026
- How the order is worked out
- 26
Sandcastle Help File Builder
Free plan WindowsSHFB provides several ways to create and build help for managed class libraries, with multiple input and output formats.
- 27
ExDoc
Free planExDoc covers documentation generation, navigation, customization, and versioning for Erlang and Elixir workflows.
- 28
StepShot
Free plan MacStepShot provides an offline workflow for capturing, editing, and exporting step-based documents on macOS.
- 29
Daux.io
Free plan LinuxMacWeb+1 - 30
YARD
Free plan LinuxYARD combines Ruby API documentation generation with local browsing and customization options.
- 31
dart doc
Free plan LinuxMacWindows - 32
LDoc
Free plan LinuxMacWindowsLDoc combines several source inputs with HTML and API-reference generation in a free tool. Its CI/CD integration fits projects that automate documentation builds.
- 33
Doc-O-Matic
Free trial WindowsDoc-O-Matic is a Windows documentation system that combines code analysis, authoring tools, and multi-format publishing.
- 34
TechWriter for Databases
Free trial WindowsTechWriter for Databases focuses on turning supported database structures into editable reference documentation.
- 35
Weave.jl
PaidWeave.jl provides a focused way to turn executable Julia documents into reports across many formats. Check the LaTeX requirement if PDF generation is central to your workflow.
- 36
Dokka
Paid - 37
Swift-DocC
Paid LinuxMac