Crates / Category
Rust crates · category · data Oct 24, 2026
Development tools crates by real downloads
crates.io describes this category as: “Crates that provide developer-facing features such as testing, debugging, linting, performance profiling, autocompletion, formatting, and more.” Below are the 16 crates in it among the 1000 most-downloaded crates, ranked by real downloads (quiet-day baseline) instead of raw count.
Short answerBy steady daily use, cfg_aliases leads Development tools with 2,163,249 real downloads a day (established and steady). 7 of the 16 have 1,000+ dependents; 5 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.
16 crates
| Compare | ||||||
|---|---|---|---|---|---|---|
| cfg_aliasesEstablished | 2,163,249 | 283 | 3mo | +3% | 602M | |
| derive_moreWidely used | 1,604,594 | 3,690 | 10mo | -4% | 550M | |
| prettypleaseWidely used | 1,584,839 | 1,032 | 3mo | -7% | 561M | |
| pasteWidely used | 1,338,247 | 3,246 | 2.5y | -5% | 574M | |
| caminoWidely used | 872,911 | 1,078 | 39d | -7% | 300M | |
| document-featuresEstablished | 703,484 | 672 | 12mo | -5% | 185M | |
| pasteyEstablished | 636,011 | 331 | 5mo | +29% | 108M | |
| derive_builderWidely used | 633,349 | 1,332 | 2.0y | -5% | 225M | |
| derive_builder_macroPulled in | 624,830 | 1 | 2.0y | -5% | 215M | |
| pretty_assertionsWidely used | 522,294 | 5,760 | 2.1y | -12% | 226M | |
| assert-json-diffEstablished | 491,066 | 178 | 4.3y | +8% | 163M | |
| seq-macroEstablished | 387,498 | 211 | 20mo | +0% | 127M | |
| wiremockWidely used | 309,864 | 3,363 | 14mo | +27% | 93.7M | |
| semver-parserPulled in | 276,382 | 12 | 23mo | -17% | 202M | |
| bytesizeEstablished | 267,970 | 503 | 3mo | -5% | 115M | |
| jsonpath-rustPulled in | 258,575 | 79 | 11d | +7% | 102M |
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
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