Rust crate owner · data Oct 24, 2026
sffc: Rust crates and real downloads
Every crate sffc can publish on crates.io, among the top 1000. sffc on GitHub · on crates.io
Short answerShane F. Carr (crates.io sffc) owns 10 of the 1000 most-downloaded Rust crates. Together they get about 17,595,314 real downloads a day on quiet days (release-day spikes removed), rank #20 of the 492 owners we track. The biggest is icu_collections at 2,507,923 a day with 25 crates depending on it. 7 shipped a release in the last 90 days; 0 are gaining on the field and 3 losing ground.
Their crates, by real downloads
| Crate | Real downloads a day | Dependents | Trend vs field | Last release | crates.io rank |
|---|---|---|---|---|---|
| icu_collections Pulled in | 2,507,923 | 25 | +3% | 2d | #194 |
| icu_properties_data Pulled in | 2,505,718 | 8 | +2% | 2d | #185 |
| icu_properties Established | 2,501,772 | 118 | +1% | 2d | #188 |
| icu_normalizer_data Pulled in | 2,473,115 | 10 | +2% | 2d | #196 |
| zerotrie Pulled in | 2,273,735 | 20 | +8% | 2mo | #287 |
| potential_utf Pulled in | 2,261,800 | 17 | +8% | 2mo | #289 |
| icu_locale_core Established | 2,233,122 | 107 | +7% | 2d | #290 |
| icu_provider_macros Pulled in | 280,726 | 1 | -23% | 23mo | #632 |
| icu_locid_transform_data Pulled in | 280,635 | 1 | -22% | 19mo | #622 |
| icu_locid_transform Pulled in | 276,768 | 10 | -22% | 12mo | #636 |
Mostly in: Internationalization (i18n) (10), Localization (L10n) (7), No standard library (7), Embedded development (7).
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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
The next owner by real downloads: 12 top crates, about 17,579,615 real downloads a day.hawkwRead it next →Also worth your time