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Rust crates · category · data Oct 24, 2026

Rust patterns crates by real downloads

crates.io describes this category as: “Shared solutions for particular situations specific to programming in Rust.” Below are the 18 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, thiserror leads Rust patterns with 5,048,791 real downloads a day (foundational and steady). 10 of the 18 have 1,000+ dependents; 2 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.

18 crates

Bar chart of real downloads a day for the top 6 Rust patterns crates: thiserror 5M, itertools 4.5M, once_cell 3.8M, pin-project-lite 3.3M, zerocopy 3.2M, anyhow 2.9M.
Rendered with our game engine from crates.io data, week of Oct 19, 2026.
Compare
thiserrorFoundational5,048,79175,92331d+2%1.7B
itertoolsWidely used4,545,9968,6564mo+1%1.7B
once_cellWidely used3,785,1808,6567mo-1%1.4B
pin-project-liteWidely used3,270,9781,7088mo-2%1.2B
zerocopyEstablished3,245,50487811d-5%1B
anyhowFoundational2,875,63852,1133mo-2%1.1B
scopeguardEstablished2,724,7185673.3y-1%1.1B
zerovec-derivePulled in2,561,39062d+6%678M
zerovecPulled in2,516,803602d+5%684M
lazy_staticFoundational2,449,99710,95323d+4%1.1B
num-convPulled in2,114,47945mo-3%645M
bumpaloEstablished1,968,7165465mo-1%667M
powerfmtPulled in1,889,786519d+2%629M
derive_moreWidely used1,604,5943,69010mo-3%55M
pin-project-internalPulled in1,484,85015mo-6%644M
pin-projectWidely used1,484,3141,4065mo-6%644M
static_assertionsWidely used1,442,2651,6887.0y+2%562M
ordered-floatWidely used1,379,3181,1432mo+1%505M

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