crates.io
Most popular Rust packages
Ranked by downloads over the last month. 5,000 packages, 99,951 release notes.
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rkyv
0.8.18· Aug 2026 145M downloads a month 8 releases this year -
rkyv_derive
0.8.18· Aug 2026 145M downloads a month 8 releases this year -
headers-core
0.3.0· Nov 2023 145M downloads a month No releases this year -
fdeflate
0.3.7· Dec 2024 144M downloads a month No releases this year -
getopts
0.2.24· Aug 2025 144M downloads a month 1 release this year -
chrono-tz
0.10.4· Jul 2025 144M downloads a month No releases this year -
dtoa
1.0.11· Dec 2025 144M downloads a month 1 release this year -
litrs
1.0.0· Oct 2025 143M downloads a month 1 release this year -
opentelemetry-proto
0.32.0· May 2026 143M downloads a month 3 releases this year -
lexical-core
1.0.6· Sep 2025 143M downloads a month 1 release this year -
number_prefix
0.4.0· Apr 2020 142M downloads a month No releases this year -
keccak
0.2.2· Aug 2026 142M downloads a month 4 releases this year -
asn1-rs
0.7.2· May 2026 142M downloads a month 1 release this year -
notify
8.2.0· May 2026 142M downloads a month No releases this year -
oid-registry
0.8.1· Apr 2025 142M downloads a month No releases this year -
toml_write
0.1.2· Jun 2025 142M downloads a month No releases this year -
fragile
2.1.0· Apr 2026 142M downloads a month 1 release this year -
ghash
0.6.0· Feb 2026 142M downloads a month 1 release this year -
borsh-derive
1.8.0· Jul 2026 142M downloads a month 4 releases this year -
asn1-rs-derive
0.7.0· Apr 2025 141M downloads a month No releases this year -
serial_test
4.0.1· Jul 2026 141M downloads a month 6 releases this year -
aes-gcm
0.11.1· Aug 2026 141M downloads a month 2 releases this year -
opentelemetry-otlp
0.32.0· May 2026 141M downloads a month 3 releases this year -
aws-smithy-http
0.64.0· Jul 2026 141M downloads a month 11 releases this year -
proc-macro-error-attr2
2.0.0· Sep 2024 141M downloads a month No releases this year -
proc-macro-error2
2.0.1· Sep 2024 141M downloads a month No releases this year -
serial_test_derive
4.0.1· Jul 2026 140M downloads a month 6 releases this year -
rend
0.5.4· Jul 2026 139M downloads a month 2 releases this year -
seahash
4.1.0· Jan 2021 139M downloads a month No releases this year -
const_format
0.2.36· Apr 2026 139M downloads a month 2 releases this year -
compact_str
0.10.0· Jul 2026 139M downloads a month 3 releases this year -
wasm-streams
0.6.0· May 2026 139M downloads a month 2 releases this year -
inotify-sys
0.1.8· Jul 2026 139M downloads a month 3 releases this year -
pulldown-cmark
0.13.4· May 2026 139M downloads a month 4 releases this year -
fxhash
0.2.1· Jul 2017 138M downloads a month No releases this year -
quanta
0.12.6· Jun 2025 138M downloads a month No releases this year -
prometheus
0.14.0· Mar 2025 137M downloads a month No releases this year -
xml-rs
1.0.0· Aug 2026 137M downloads a month 2 releases this year -
document-features
0.2.12· Oct 2025 137M downloads a month 1 release this year -
downcast
0.11.0· Nov 2021 137M downloads a month No releases this year -
futures-intrusive
0.5.0· Nov 2022 136M downloads a month No releases this year -
crypto-mac
0.11.1· Jul 2021 136M downloads a month No releases this year -
async-recursion
1.1.1· Apr 2024 136M downloads a month No releases this year -
vsimd
0.8.0· Dec 2022 135M downloads a month No releases this year -
tracing-futures
0.2.5· Feb 2021 135M downloads a month No releases this year -
base64-simd
0.8.0· Dec 2022 135M downloads a month No releases this year -
shell-words
1.1.1· Dec 2025 135M downloads a month 1 release this year -
aws-smithy-json
0.63.0· Jul 2026 135M downloads a month 14 releases this year