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Full Tree Documentation generated from source code.
Omarchy user-docs
User documentation built with DocuWriter.ai.
What it is, the 4 types, how to create it, and best practices—plus how DocuWriter.ai helps software teams generate and maintain docs automatically.
Software documentation is all written material that describes how a software product works—covering its architecture, source code, APIs, user-facing features, and processes. It serves developers, end-users, and stakeholders so they can build, integrate, operate, and understand the software effectively.
Good software documentation reduces onboarding time, lowers support costs, and preserves institutional knowledge when team members change. It's the difference between a codebase anyone can contribute to and one only the original author understands.
If you're looking for tools to help, see our technical documentation software guide or our technical documentation hub.
Software documentation falls into four categories based on who reads it and what they need to accomplish.
Internal documents that describe how the software is built and maintained—requirements, architecture decisions, roadmaps, sprint plans, and runbooks. Audience: engineering team.
Accurate, up-to-date reference material for developers—API documentation, code documentation, data models, configuration options, and SDKs. Audience: developers integrating with the software.
Guides that help end-users get value from the software—tutorials, how-to guides, FAQs, and release notes. Audience: end-users and customers.
Visual representations of how the system is structured—UML diagrams, sequence diagrams, data flow diagrams, and component maps. Audience: engineers and architects.
A practical process for creating software documentation that developers and users will actually read.
Who reads this—developers, end-users, or internal teams? What do they need to do? Matching content to audience is the single biggest factor in documentation quality.
API reference, tutorial, architecture diagram, or runbook? Choose the format that matches the reader's task. Don't force everything into one format.
We'll take it from here
Connect your repository and DocuWriter.ai generates code docs, API references, diagrams, tutorials, and release notes automatically—no manual writing required.
Connect your repo, OpenAPI schema, or existing markdown. DocuWriter.ai reads your source and produces structured documentation covering all the right types for your stack.
Use the visual editor to approve, adjust tone, and add context. Organize into spaces with folders, permissions, and navigation that matches your product's structure.
Tie documentation to releases. DocuWriter.ai surfaces diffs and migration notes when your code changes so docs never fall out of date.
Documentation that lives near source code stays accurate. Use tooling that reads your repo directly, not separate wikis that drift out of date.
A developer writing for developers is different from writing for end-users. Set the audience before writing a single word—the format and vocabulary should match.
Working code snippets are worth a hundred words of prose. Every API endpoint, function, and configuration option should have a complete, runnable example.
Docs that lag behind code are worse than no docs—they mislead. Tie documentation updates to your release process so every shipped version has matching docs.
Architecture, sequence, and data flow diagrams communicate system-level concepts that prose cannot. Generate them from code so they stay accurate.
The best documentation is the documentation people can actually find. Organize with consistent structure, meaningful headings, and search that understands context.
DocuWriter.ai generates code docs, API references, architecture diagrams, and more directly from your source code—saving hours of manual writing.
Start nowReal documentation generated by DocuWriter.ai from actual repositories.
Full Tree Documentation generated from source code.
User documentation built with DocuWriter.ai.
Frequently Asked Questions
Common questions about software documentation.
More questions? Reach us at support@docuwriter.ai
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