Rust crate owner · data Oct 24, 2026
seanmonstar: Rust crates and real downloads
Every crate seanmonstar can publish on crates.io, among the top 1000. seanmonstar on GitHub · on crates.io
Short answerSean McArthur (crates.io seanmonstar) owns 19 of the 1000 most-downloaded Rust crates. Together they get about 35,967,014 real downloads a day on quiet days (release-day spikes removed), rank #10 of the 492 owners we track. The biggest is http at 3,277,345 a day with 8,511 crates depending on it. 9 shipped a release in the last 90 days; 0 are gaining on the field and 0 losing ground.
Their crates, by real downloads
| Crate | Real downloads a day | Dependents | Trend vs field | Last release | crates.io rank |
|---|---|---|---|---|---|
| http Widely used | 3,277,345 | 8,511 | -2% | 3mo | #53 |
| http-body Widely used | 2,784,335 | 1,124 | +0% | 3mo | #87 |
| hyper Widely used | 2,783,528 | 5,861 | -6% | 18d | #75 |
| reqwest Foundational | 2,544,741 | 31,677 | +1% | 46d | #132 |
| url Foundational | 2,520,673 | 16,906 | -2% | 10mo | #89 |
| tower Widely used | 2,342,590 | 5,816 | -4% | 9mo | #148 |
| h2 Established | 2,290,495 | 296 | -2% | 18d | #102 |
| httparse Established | 2,183,298 | 609 | +1% | 20mo | #135 |
| tower-service Established | 1,972,046 | 833 | +2% | 2.2y | #162 |
| http-body-util Widely used | 1,970,860 | 3,957 | +4% | 2mo | #265 |
| hyper-util Widely used | 1,948,171 | 3,155 | +6% | 30d | #254 |
| try-lock Pulled in | 1,879,742 | 9 | +2% | 2.9y | #167 |
| want Pulled in | 1,873,650 | 19 | +3% | 19d | #165 |
| mime Widely used | 1,806,559 | 1,969 | +4% | 3.6y | #175 |
| unicase Established | 1,204,062 | 292 | +4% | 19d | #311 |
| num_cpus Widely used | 1,159,443 | 2,795 | -3% | 17mo | #214 |
| hyper-tls Established | 741,124 | 476 | -10% | 2.9y | #357 |
| headers Established | 343,059 | 273 | +0% | 30d | #657 |
| headers-core Pulled in | 341,293 | 12 | +0% | 2.9y | #663 |
Mostly in: Web programming (7), Network programming (6), No standard library (4), HTTP client (3), Asynchronous (3).
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How we count
Owners: crates.io owners API (users only; teams are not listed), fetched Oct 24, 2026. Real downloads a day = the median day with no release that day or the day before, per crate, summed. Trend = last 30 days against the first 30, read against the median tracked crate. Method: our crates.io study.
Up next
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