Rust crate owner · data Oct 24, 2026
palfrey: Rust crates and real downloads
Every crate palfrey can publish on crates.io, among the top 1000. palfrey on GitHub · on crates.io
Short answerTom Parker-Shemilt (crates.io palfrey) owns 2 of the 1000 most-downloaded Rust crates. Together they get about 857,578 real downloads a day on quiet days (release-day spikes removed), rank #271 of the 492 owners we track. The biggest is serial_test at 429,325 a day with 2,974 crates depending on it. 0 shipped a release in the last 90 days; 0 are gaining on the field and 2 losing ground.
Their crates, by real downloads
| Crate | Real downloads a day | Dependents | Trend vs field | Last release | crates.io rank |
|---|---|---|---|---|---|
| serial_test Widely used | 429,325 | 2,974 | -11% | 3mo | #664 |
| serial_test_derive Pulled in | 428,253 | 9 | -11% | 3mo | #674 |
Mostly in: Testing (2).
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This page covers crates in the top 1000. For every crate an account owns, live, use Check your crates.
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
The next owner by real downloads: 2 top crates, about 857,263 real downloads a day.udoprogRead it next →Also worth your time