Rust crate owner · data Oct 24, 2026
BusyJay: Rust crates and real downloads
Every crate BusyJay can publish on crates.io, among the top 1000. BusyJay on GitHub · on crates.io
Short answerJay (crates.io BusyJay) owns 2 of the 1000 most-downloaded Rust crates. Together they get about 601,070 real downloads a day on quiet days (release-day spikes removed), rank #326 of the 492 owners we track. The biggest is tikv-jemalloc-sys at 305,944 a day with 44 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 |
|---|---|---|---|---|---|
| tikv-jemalloc-sys Pulled in | 305,944 | 44 | -11% | 5mo | #865 |
| tikv-jemallocator Established | 295,126 | 435 | -11% | 5mo | #889 |
Mostly in: API bindings (1), Memory management (1).
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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: 1 top crates, about 589,792 real downloads a day.MabezDevRead it next →Also worth your time