Rust crate owner · data Oct 24, 2026
jonasbb: Rust crates and real downloads
Every crate jonasbb can publish on crates.io, among the top 1000. jonasbb on GitHub · on crates.io
Short answerJonas Bushart (crates.io jonasbb) owns 2 of the 1000 most-downloaded Rust crates. Together they get about 2,297,728 real downloads a day on quiet days (release-day spikes removed), rank #146 of the 492 owners we track. The biggest is serde_with at 1,160,488 a day with 3,105 crates depending on it. 2 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 |
|---|---|---|---|---|---|
| serde_with Widely used | 1,160,488 | 3,105 | -5% | 28d | #333 |
| serde_with_macros Pulled in | 1,137,240 | 8 | -5% | 28d | #335 |
Mostly in: Encoding (2), No standard library (1), No dynamic allocation (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: 3 top crates, about 2,290,738 real downloads a day.tailhookRead it next →Also worth your time