#2 of 100 · Rust crate
syn
syn is a Rust crate ranked #2 on the Top Rust Crates chart with 872,015,458 downloads in the source reporting window.
Change: +6,518,621 downloads in the source reporting window between recorded observations on 2026-11-11 and 2026-11-12.
Last verified · 2026-11-12T11:59:12.922Z
License unknown or not specified in the source metadata. Do not assume permission to use, modify, or redistribute; check the source terms.
Metric source · method 1.0.0 · hash 80a3
Recorded downloads in the source reporting window trend
30 dated observations · 2026-10-14 to 2026-11-12. Missing dates are not filled.
Metric definition: crates.io:downloads:last-90-days
Observed range: 708,110,389 – 872,015,458 downloads in the source reporting window
View dated observations
| Date (UTC) | downloads in the source reporting window |
|---|---|
| 2026-10-14 | 708,110,389 |
| 2026-10-15 | 715,308,156 |
| 2026-10-16 | 723,792,099 |
| 2026-10-17 | 731,013,879 |
| 2026-10-18 | 731,710,154 |
| 2026-10-19 | 732,611,098 |
| 2026-10-20 | 737,984,018 |
| 2026-10-21 | 743,796,714 |
| 2026-10-22 | 751,029,063 |
| 2026-10-23 | 760,224,689 |
| 2026-10-24 | 768,347,776 |
| 2026-10-25 | 769,569,463 |
| 2026-10-26 | 771,737,024 |
| 2026-10-27 | 777,025,460 |
| 2026-10-28 | 782,965,364 |
| 2026-10-29 | 789,748,921 |
| 2026-10-30 | 798,459,474 |
| 2026-10-31 | 806,001,757 |
| 2026-11-01 | 807,270,255 |
| 2026-11-02 | 808,944,257 |
| 2026-11-03 | 815,025,866 |
| 2026-11-04 | 822,919,460 |
| 2026-11-05 | 829,637,708 |
| 2026-11-06 | 839,441,907 |
| 2026-11-07 | 848,380,378 |
| 2026-11-08 | 849,967,059 |
| 2026-11-09 | 851,389,290 |
| 2026-11-10 | 858,213,035 |
| 2026-11-11 | 865,496,837 |
| 2026-11-12 | 872,015,458 |
Quick answers
- What is syn?
- syn is a Rust crate ranked #2 on the Top Rust Crates chart with 872,015,458 downloads in the source reporting window.
- What license applies to syn?
- License unknown or not specified in the source metadata. Do not assume permission to use, modify, or redistribute; check the source terms.
- How is syn ranked?
- This chart orders entries by downloads in the source reporting window, not quality or suitability. Nearby entries share a chart, but are not necessarily substitutes. Method 1.0.0; snapshot hash 80a3.