Crates / Category
Rust crates · category · data Oct 24, 2026
Procedural macro helpers crates by real downloads
crates.io describes this category as: “Crates to help you write procedural macros in Rust.” Below are the 9 crates in it among the 300 most-downloaded crates, ranked by real downloads (quiet-day baseline) instead of raw count.
Short answerBy steady daily use, syn leads Procedural macro helpers with 8,378,886 real downloads a day (foundational and steady). 6 of the 9 have 1,000+ dependents; 0 have shipped nothing in 2+ years. Release spikes barely matter here: the median crate got 0.0% of its downloads within 2 days of a release.
9 crates
| Compare | ||||||
|---|---|---|---|---|---|---|
| synFoundational | 8,378,886 | 18,848 | 12d | +5% | 2.8B | |
| quoteFoundational | 5,007,445 | 18,227 | 3mo | -7% | 1.8B | |
| proc-macro2Foundational | 4,890,919 | 16,351 | 3mo | -6% | 1.8B | |
| unicode-identEstablished | 4,390,154 | 222 | 12d | +0% | 1.6B | |
| clap_deriveEstablished | 2,491,922 | 136 | 40d | -10% | 859M | |
| strum_macrosWidely used | 1,935,017 | 2,140 | 8mo | +1% | 723M | |
| strumWidely used | 1,901,257 | 5,075 | 8mo | -2% | 714M | |
| proc-macro-crateEstablished | 1,677,715 | 959 | 8mo | +1% | 608M | |
| derive_moreWidely used | 1,604,594 | 3,690 | 10mo | -3% | 55M |
Click a column to sort; press + to add a crate to a comparison. Real / day = median downloads on days with no release that day or the day before. Each crate's page shows its verdict and the 4 rules behind it. Why this method · this category on crates.io