No. 12 of 38 ·Documentation Generators

rustdoc

Windows · Mac · Linux

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Freedom report

Two barsScore 5.5

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

rustdoc is ranked #12 of 38 in documentation generators on Freedom251. It runs on Linux, macOS, Windows.

Compared on documentation generators

Free plan: Yes
Source inputs: Rust crate roots, Markdown files
API reference generation: Yes
CI/CD integration: Yes
Output formats: HTML, CSS, JavaScript
Programming languages: Rust

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The record

Purpose: rustdoc generates documentation for Rust projects from a crate root or Markdown file, producing HTML, CSS, and JavaScript.
Included tool: The standard Rust distribution ships with rustdoc.
Cargo integration: Cargo integrates with rustdoc through `cargo doc` to generate documentation for a project.
Default visibility: By default, rustdoc generates documentation for public functions.
Markdown input: rustdoc can generate HTML from standalone Markdown files.
Markdown limitation: Cargo does not currently understand standalone Markdown files.
Integration output: Cargo places generated documentation under the project's `target` directory and can include documentation for dependencies.
Online documentation: The Rust tools page says Cargo's doc builder is available locally through `cargo doc` and online for public crates through docs.rs.
Installation: Rust's installation page recommends rustup and provides installation instructions for Windows, macOS, Linux, and other Unix-like systems.
Security reporting: The Rust Project asks that security bugs in the Rust distribution be reported to [email protected] and says reports are acknowledged within 24 hours, with a more detailed response within 48 hours.
Security support scope: The Rust Security Response Working Group handles vulnerability reports for software maintained and published by the Rust Project; third-party crates are outside its stated scope.
Supported updates: The Rust Project says it provides support and security updates for the most recent stable release and the latest beta and nightly releases.
Project governance: The Rust Project says it is composed of many teams and contributors, and that major decisions start with a Request for Comments process open to everyone.

Where it ranks on Freedom251

Best Documentation Generators in 2026#12 of 38

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Sources

doc.rust-lang.org/rustdoc/· checked 4 Oct 2026
rust-lang.org/tools/· checked 4 Oct 2026
rust-lang.org/tools/install/· checked 4 Oct 2026
rust-lang.org/policies/security/· checked 4 Oct 2026
rust-lang.org/governance/· checked 4 Oct 2026