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Reading path · 8 stops · 26 min of reading · 5 tools and data pages

Rust crate data, start to finish.

What you'll learnPublish a crate, see why crates.io download counts mislead, then read any crate's real usage in seconds.

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Bar chart, Real daily downloads, top Rust crates: hashbrown 8,927,960, syn 8,378,890, getrandom 7,623,480, rand 5,938,560, rand_core 5,860,710, bitflags 5,776,460. Source: crates.io daily downloads, 2026-07-27 to 2026-10-23.
Rendered with the Proof Engine from the data in the alt text. tensorust.com

The path, in order

Topics: Rust. Ticks show what you have read in this browser.

  1. Guide · 8 minHow to publish a Rust crate to crates.io

    Make a crates.io account, create an API token, run cargo login, add description and license to Cargo.toml, check the package with cargo publish --dry-run, then run cargo publish. Read the next section before you do...

  2. Article · 11 mincrates.io download count: 80% of ours arrived with a new version

    What the crates.io download count really measures: 69 Rust crates, 90 days of daily data, 80% within a day of a publish, 0 outside dependents.

  3. Explainer · 7 minWhy are crates.io download counts inflated?

    Because a crates.io "download" is one fetch of a.crate file from the crates.io CDN, not a person. Every CI run on a clean machine fetches again, every new version gets fetched by automated systems within hours, and one...

  4. Free toolCrates.io real-downloads checker

    How much of a crate's download count is release-day bots? The quiet-day baseline, charted.

  5. DataReal downloads for the top 300 Rust crates

    Should you depend on it? Real downloads, dependents, last release and a verdict for the 300 most-downloaded Rust crates. Search, sort, compare, CSV.

  6. Dataserde downloads, and should you depend on it?

    serde downloads: 4.3M a day on quiet days, 133,588 dependents, last release 3 months ago. Foundational and steady. Chart, alternatives, badge.

  7. Datatokio downloads, and should you depend on it?

    tokio downloads: 3.1M a day on quiet days, 78,796 dependents, last release 3 days ago. Foundational and steady. Chart, alternatives, badge.

  8. DataFree Rust crates you can use today.

    Free, MIT-licensed Rust crates by Matt Busel: an LLM proxy with dedup and a circuit breaker, exact-decimal trading primitives, LLM cost and budget tools, a token-level LLM viewer and a math graphics engine. 70 crates...

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