An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

Registry
crates.io
Packages
142
Total Downloads
3,053,479,482
Top 5.4% on crates.io
linux-raw-sys 0.12.1
Generated bindings for Linux's userspace API
107 versions - Latest release: 3 months ago - 11 dependent packages - 36,061 dependent repositories - 606 million downloads total - 67 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
cranelift-codegen 0.129.0
Low-level code generator library
216 versions - Latest release: 15 days ago - 59 dependent packages - 3,397 dependent repositories - 26.7 million downloads total - 14,493 stars on GitHub - 5 maintainers
Top 0.8% on crates.io
wasmtime 42.0.0
High-level API to expose the Wasmtime runtime
175 versions - Latest release: 15 days ago - 180 dependent packages - 2,459 dependent repositories - 18.6 million downloads total - 15,338 stars on GitHub - 2 maintainers
Top 5.6% on crates.io
cap-time-ext 4.0.2
Extension traits for `SystemClock` and `MonotonicClock`
87 versions - Latest release: 24 days ago - 4 dependent packages - 632 dependent repositories - 7.95 million downloads total - 753 stars on GitHub - 2 maintainers
Top 4.3% on crates.io
cap-std 4.0.2
Capability-based version of the Rust standard library
92 versions - Latest release: 24 days ago - 36 dependent packages - 659 dependent repositories - 8.57 million downloads total - 753 stars on GitHub - 2 maintainers
Top 5.5% on crates.io
cap-tempfile 4.0.2
Capability-based temporary directories
90 versions - Latest release: 24 days ago - 15 dependent packages - 213 dependent repositories - 602 thousand downloads total - 753 stars on GitHub - 2 maintainers
Top 5.6% on crates.io
cap-rand 4.0.2
Capability-based random number generators
86 versions - Latest release: 24 days ago - 3 dependent packages - 634 dependent repositories - 7.95 million downloads total - 753 stars on GitHub - 2 maintainers
Top 7.5% on crates.io
cap-async-std 3.4.5
Capability-based version of async-std
63 versions - Latest release: 5 months ago - 7 dependent packages - 10 dependent repositories - 183 thousand downloads total - 753 stars on GitHub - 2 maintainers
Top 4.7% on crates.io
cap-primitives 4.0.2
Capability-based primitives
93 versions - Latest release: 24 days ago - 9 dependent packages - 649 dependent repositories - 12 million downloads total - 753 stars on GitHub - 2 maintainers
cap-net-ext 4.0.2
Extension traits for `TcpListener`, `Pool`, etc.
22 versions - Latest release: 24 days ago - 1 dependent package - 1 dependent repositories - 5.27 million downloads total - 753 stars on GitHub - 2 maintainers
cap-directories 4.0.2
Capability-based standard directories for config, cache and other data
89 versions - Latest release: 24 days ago - 115 thousand downloads total - 753 stars on GitHub - 2 maintainers
Top 5.1% on crates.io
posish 0.18.0
posish has been renamed to rsix
60 versions - Latest release: over 4 years ago - 17 dependent packages - 23 dependent repositories - 233 thousand downloads total - 1,775 stars on GitHub - 1 maintainer
Top 4.9% on crates.io
cap-fs-ext 4.0.2
Extension traits for `Dir`, `File`, etc.
84 versions - Latest release: 24 days ago - 8 dependent packages - 630 dependent repositories - 7.95 million downloads total - 618 stars on GitHub - 2 maintainers
Top 1.0% on crates.io
cranelift-wasm 0.112.3
Translator from WebAssembly to Cranelift IR
169 versions - Latest release: over 1 year ago - 19 dependent packages - 2,435 dependent repositories - 13.6 million downloads total - 15,338 stars on GitHub - 5 maintainers
Top 1.6% on crates.io
wasi-common 42.0.1
WASI implementation in Rust
182 versions - Latest release: 14 days ago - 46 dependent packages - 349 dependent repositories - 3.4 million downloads total - 15,338 stars on GitHub - 2 maintainers
Top 0.9% on crates.io
cranelift-frontend 0.129.1
Cranelift IR builder helper
219 versions - Latest release: 14 days ago - 21 dependent packages - 3,304 dependent repositories - 27.9 million downloads total - 14,493 stars on GitHub - 5 maintainers
peepmatic-automata 0.78.0
Finite-state transducer automata
15 versions - Latest release: over 4 years ago - 2 dependent packages - 3 dependent repositories - 32.7 thousand downloads total - 2 maintainers
Top 2.3% on crates.io
witx 0.9.1
Parse and validate witx file format
19 versions - Latest release: over 4 years ago - 16 dependent packages - 392 dependent repositories - 6.52 million downloads total - 5,536 stars on GitHub - 3 maintainers
Top 1.0% on crates.io
wasmtime-runtime 20.0.2
Runtime library support for Wasmtime
106 versions - Latest release: almost 2 years ago - 20 dependent packages - 2,435 dependent repositories - 12.7 million downloads total - 14,493 stars on GitHub - 2 maintainers
Top 0.8% on crates.io
cranelift-native 0.129.1
Support for targeting the host with Cranelift
219 versions - Latest release: 14 days ago - 34 dependent packages - 2,812 dependent repositories - 21.4 million downloads total - 15,338 stars on GitHub - 5 maintainers
Top 1.9% on crates.io
wasmtime-profiling 0.29.0
Runtime library support for Wasmtime
18 versions - Latest release: over 4 years ago - 6 dependent packages - 612 dependent repositories - 1.59 million downloads total - 15,338 stars on GitHub - 2 maintainers
Top 1.6% on crates.io
wasmtime-wasi 42.0.1
WASI implementation in Rust
178 versions - Latest release: 14 days ago - 76 dependent packages - 343 dependent repositories - 4.9 million downloads total - 14,493 stars on GitHub - 2 maintainers
Top 1.5% on crates.io
cranelift-module 0.129.1
Support for linking functions and data with Cranelift
219 versions - Latest release: 14 days ago - 37 dependent packages - 256 dependent repositories - 2.76 million downloads total - 15,338 stars on GitHub - 5 maintainers
Top 1.2% on crates.io
wasmtime-jit 17.0.3
JIT-style execution for WebAsssembly code in Cranelift
95 versions - Latest release: almost 2 years ago - 12 dependent packages - 2,432 dependent repositories - 11.9 million downloads total - 14,493 stars on GitHub - 2 maintainers
Top 1.9% on crates.io
cranelift 0.129.1
Umbrella for commonly-used cranelift crates
219 versions - Latest release: 14 days ago - 37 dependent packages - 121 dependent repositories - 1.3 million downloads total - 14,493 stars on GitHub - 5 maintainers
utf8-io 0.19.1
Traits and types for UTF-8 I/O
24 versions - Latest release: over 2 years ago - 4 dependent packages - 3 dependent repositories - 41.7 thousand downloads total - 7 stars on GitHub - 1 maintainer
Top 0.9% on crates.io
wasmtime-environ 42.0.1
Standalone environment support for WebAssembly code in Cranelift
178 versions - Latest release: 14 days ago - 30 dependent packages - 2,446 dependent repositories - 19.5 million downloads total - 15,338 stars on GitHub - 2 maintainers
Top 5.0% on crates.io
io-lifetimes 3.0.1
A low-level I/O ownership and borrowing library
56 versions - Latest release: 7 months ago - 41 dependent packages - 16,405 dependent repositories - 142 million downloads total - 106 stars on GitHub - 1 maintainer
Top 5.6% on crates.io
is-terminal 0.4.17
Test whether a given stream is a terminal
22 versions - Latest release: 5 months ago - 177 dependent packages - 12,197 dependent repositories - 229 million downloads total - 53 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
cranelift-entity 0.129.1
Data structures using entity references as mapping keys
221 versions - Latest release: 14 days ago - 52 dependent packages - 3,431 dependent repositories - 28.7 million downloads total - 15,338 stars on GitHub - 5 maintainers
Top 2.0% on crates.io
wasmtime-debug 0.29.0
Debug utils for WebAsssembly code in Cranelift
25 versions - Latest release: over 4 years ago - 5 dependent packages - 628 dependent repositories - 1.67 million downloads total - 17,691 stars on GitHub - 2 maintainers
Top 9.2% on crates.io
wasmtime-interface-types 0.12.0
Support for wasm interface types with wasmtime
8 versions - Latest release: about 6 years ago - 3 dependent packages - 1 dependent repositories - 19.5 thousand downloads total - 17,691 stars on GitHub - 1 maintainer
Top 2.5% on crates.io
wasmtime-obj 0.29.0
Native object file output for WebAsssembly code in Wasmtime
25 versions - Latest release: over 4 years ago - 3 dependent packages - 601 dependent repositories - 1.54 million downloads total - 17,691 stars on GitHub - 2 maintainers
wasmtime-rust-macro 0.27.0
Macro support crate for wasmtime-rust
23 versions - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 31.3 thousand downloads total - 17,691 stars on GitHub - 2 maintainers
Top 4.6% on crates.io
yanix 0.23.0
Yet Another Nix crate: a Unix API helper library (deprecated)
15 versions - Latest release: about 5 years ago - 4 dependent packages - 15 dependent repositories - 80.3 thousand downloads total - 17,691 stars on GitHub - 2 maintainers
Top 2.2% on crates.io
wasi-cap-std-sync 17.0.3
WASI implementation in Rust
78 versions - Latest release: almost 2 years ago - 10 dependent packages - 468 dependent repositories - 1.87 million downloads total - 17,691 stars on GitHub - 1 maintainer
wiggle-test 0.15.0
Reusable testing components for wiggle code generator. Only intended to be used by tests in `wigg...
3 versions - Latest release: almost 6 years ago - 1 dependent package - 1 dependent repositories - 7.7 thousand downloads total - 17,691 stars on GitHub - 2 maintainers
Top 7.1% on crates.io
cranelift-faerie 0.66.0
Emit Cranelift output to native object files with Faerie
56 versions - Latest release: over 5 years ago - 3 dependent packages - 1 dependent repositories - 94.4 thousand downloads total - 17,691 stars on GitHub - 5 maintainers
Top 9.7% on crates.io
cranelift-preopt 0.92.1
Support for optimizations in Cranelift
91 versions - Latest release: about 3 years ago - 5 dependent repositories - 123 thousand downloads total - 17,691 stars on GitHub - 5 maintainers
Top 4.5% on crates.io
cranelift-simplejit 0.68.0
A simple JIT library backed by Cranelift
58 versions - Latest release: over 5 years ago - 7 dependent packages - 10 dependent repositories - 109 thousand downloads total - 17,691 stars on GitHub - 5 maintainers
wasmtime-rust 0.27.0
Rust extension for Wasmtime
23 versions - Latest release: almost 5 years ago - 1 dependent repositories - 30.6 thousand downloads total - 17,691 stars on GitHub - 2 maintainers
Top 5.4% on crates.io
wig 0.21.0
WebAssembly Interface Generator
20 versions - Latest release: over 5 years ago - 2 dependent packages - 14 dependent repositories - 89 thousand downloads total - 17,691 stars on GitHub - 2 maintainers
wiggle-runtime 0.13.0
Runtime components of wiggle code generator
2 versions - Latest release: almost 6 years ago - 5 dependent packages - 1 dependent repositories - 4.46 thousand downloads total - 17,646 stars on GitHub - 2 maintainers
Top 5.5% on crates.io
wasmtime-wast 42.0.1
wast testing support for wasmtime
177 versions - Latest release: 14 days ago - 4 dependent packages - 14 dependent repositories - 264 thousand downloads total - 15,338 stars on GitHub - 2 maintainers
Top 5.7% on crates.io
lightbeam 0.30.0
An optimising one-pass streaming compiler for WebAssembly
25 versions - Latest release: over 4 years ago - 3 dependent packages - 5 dependent repositories - 74.9 thousand downloads total - 15,338 stars on GitHub - 2 maintainers
Top 8.7% on crates.io
wasi-common-cbindgen 0.10.0
Interface generator utilities used by wasi-common
10 versions - Latest release: about 6 years ago - 1 dependent package - 2 dependent repositories - 30.7 thousand downloads total - 15,338 stars on GitHub - 1 maintainer
wasmtime-wasi-c 0.10.0
WASI API support for Wasmtime
6 versions - Latest release: about 6 years ago - 1 dependent package - 12.1 thousand downloads total - 17,646 stars on GitHub - 1 maintainer
wasmtime-api 0.4.0
This crate has been renamed to `wasmtime`
2 versions - Latest release: over 6 years ago - 1 dependent package - 4.62 thousand downloads total - 17,646 stars on GitHub - 2 maintainers
Top 4.0% on crates.io
wiggle-macro 42.0.1
Wiggle code generator
169 versions - Latest release: 14 days ago - 1 dependent package - 482 dependent repositories - 5.4 million downloads total - 15,338 stars on GitHub - 2 maintainers
Top 7.8% on crates.io
wasmtime-wasi-crypto 12.0.2
Wasmtime implementation of the wasi-crypto API
64 versions - Latest release: over 2 years ago - 1 dependent package - 12 dependent repositories - 72.5 thousand downloads total - 17,646 stars on GitHub - 1 maintainer
wasmtime-py 0.15.0
Python extension for Wasmtime
10 versions - Latest release: almost 6 years ago - 13.1 thousand downloads total - 17,646 stars on GitHub - 1 maintainer
Top 1.8% on crates.io
rustix 1.1.3
Safe Rust bindings to POSIX/Unix/Linux/Winsock-like syscalls
168 versions - Latest release: 3 months ago - 159 dependent packages - 36,039 dependent repositories - 603 million downloads total - 1,790 stars on GitHub - 1 maintainer
winx 0.36.4
Windows API helper library
45 versions - Latest release: over 1 year ago - 9 dependent packages - 540 dependent repositories - 7.96 million downloads total - 4 stars on GitHub - 2 maintainers
Top 3.6% on crates.io
wasi 0.14.7+wasi-0.2.4
WASI API bindings for Rust
27 versions - Latest release: 6 months ago - 35 dependent packages - 78,872 dependent repositories - 456 million downloads total - 338 stars on GitHub - 2 maintainers
wasi-ext 0.1.0
Third-party crate integrations for WASI
1 version - Latest release: almost 2 years ago - 1.34 thousand downloads total - 338 stars on GitHub - 2 maintainers
wit-ffi 0.0.0
More coming soon
1 version - Latest release: over 4 years ago - 1.57 thousand downloads total - 1 maintainer
reaktor 0.15.2
Reaktor
15 versions - Latest release: almost 2 years ago - 18.1 thousand downloads total - 74 stars on GitHub - 1 maintainer
ambient-authority 0.0.2
Ambient Authority
3 versions - Latest release: almost 3 years ago - 4 dependent packages - 639 dependent repositories - 11.2 million downloads total - 21 stars on GitHub - 1 maintainer
wit-cli 0.0.0
More coming soon
1 version - Latest release: over 4 years ago - 1.73 thousand downloads total - 1 maintainer
eyra 0.22.0
Rust programs written entirely in Rust
30 versions - Latest release: 10 months ago - 3 dependent packages - 43.9 thousand downloads total - 856 stars on GitHub - 1 maintainer
cretonne-faerie
Emit Cretonne output to native object files with Faerie
11 versions - Latest release: 5 days ago - 15.8 thousand downloads total - 2,497 stars on GitHub - 1 maintainer
mustang 0.19.0
Rust programs written entirely in Rust
44 versions - Latest release: 10 months ago - 50.4 thousand downloads total - 880 stars on GitHub - 1 maintainer
socketpair 0.19.8
Cross-platform socketpair functionality
36 versions - Latest release: 10 months ago - 5 dependent packages - 4 dependent repositories - 351 thousand downloads total - 16 stars on GitHub - 1 maintainer
Top 5.6% on crates.io
atomicwrites 0.4.4
Atomic file-writes.
33 versions - Latest release: over 1 year ago - 31 dependent packages - 932 dependent repositories - 13.9 million downloads total - 101 stars on GitHub - 2 maintainers
wasi-headers 0.0.0
Placeholder for future package
1 version - Latest release: over 6 years ago - 1.71 thousand downloads total - 1 maintainer
Top 5.4% on crates.io
fd-lock 4.0.4
Advisory cross-platform lock on a file using a file descriptor to it.
23 versions - Latest release: about 1 year ago - 34 dependent packages - 2,592 dependent repositories - 36.6 million downloads total - 82 stars on GitHub - 3 maintainers
wit-codegen 0.0.0
More coming soon
1 version - Latest release: over 4 years ago - 1.55 thousand downloads total - 1 maintainer
Top 4.4% on crates.io
errno 0.3.14
Cross-platform interface to the `errno` variable.
33 versions - Latest release: 6 months ago - 235 dependent packages - 37,322 dependent repositories - 454 million downloads total - 76 stars on GitHub - 2 maintainers
io-ranges 0.2.0
Precursor to io-arrays
5 versions - Latest release: about 5 years ago - 6.75 thousand downloads total - 11 stars on GitHub - 1 maintainer
rustix-futex-sync 0.4.0
Linux futex-based synchronization
12 versions - Latest release: 11 months ago - 5 dependent packages - 2 dependent repositories - 41 thousand downloads total - 9 stars on GitHub - 1 maintainer
cretonne-wasm
Translator from WebAssembly to Cretonne IR
24 versions - Latest release: 8 days ago - 1 dependent repositories - 36.5 thousand downloads total - 2,505 stars on GitHub - 1 maintainer
nameless-clap_derive 3.0.0-beta.2.2 💰
Parse command line argument by defining a struct, derive crate.
3 versions - Latest release: over 3 years ago - 4 dependent packages - 7.66 thousand downloads total - 2 stars on GitHub - 1 maintainer
cap-tokio 0.0.0
Capability-based version of tokio
1 version - Latest release: about 4 years ago - 2.41 thousand downloads total - 1 maintainer
peepmatic-runtime 0.78.0
Runtime support for peepmatic peephole optimizers
13 versions - Latest release: over 4 years ago - 2 dependent packages - 5 dependent repositories - 28.2 thousand downloads total - 2 maintainers
cretonne-native
Support for targeting the host with Cretonne
24 versions - Latest release: 9 days ago - 1 dependent package - 1 dependent repositories - 36 thousand downloads total - 2,497 stars on GitHub - 1 maintainer
clif 0.0.0
Placeholder for a future project for working with Cranelift IR
1 version - Latest release: over 7 years ago - 1.99 thousand downloads total - 1 maintainer
nameless 0.15.2
Portable everything-is-a-URL
24 versions - Latest release: almost 2 years ago - 29.9 thousand downloads total - 74 stars on GitHub - 1 maintainer
Top 9.1% on crates.io
cretonne-codegen
Low-level code generator library
12 versions - Latest release: 11 days ago - 8 dependent packages - 1 dependent repositories - 20.1 thousand downloads total - 2,500 stars on GitHub - 1 maintainer
wt 0.0.0
Placeholder for a future project for working with Cranelift IR
1 version - Latest release: about 6 years ago - 1.89 thousand downloads total - 1 maintainer
duplex 0.16.0
The Duplex trait: interactive streams
19 versions - Latest release: about 3 years ago - 7 dependent packages - 5 dependent repositories - 49.3 thousand downloads total - 19 stars on GitHub - 1 maintainer
rustix-uring 0.6.0
The low-level `io_uring` userspace interface for Rust
7 versions - Latest release: 11 months ago - 1 dependent package - 32.7 thousand downloads total - 35 stars on GitHub - 2 maintainers
origin 0.26.2
Program startup and thread support written in Rust
88 versions - Latest release: 10 months ago - 4 dependent packages - 2 dependent repositories - 125 thousand downloads total - 194 stars on GitHub - 1 maintainer
nameless-clap_generate 3.0.0-beta.2.2 💰
A generator library used with clap for shell completion scripts, manpage, etc.
3 versions - Latest release: over 3 years ago - 4.01 thousand downloads total - 2 stars on GitHub - 1 maintainer
char-device 0.16.5
Character Device I/O
29 versions - Latest release: about 1 year ago - 4 dependent packages - 3 dependent repositories - 65.5 thousand downloads total - 3 stars on GitHub - 1 maintainer
dir-view 0.3.0
Views of cap-std's Dir
8 versions - Latest release: about 2 years ago - 10.4 thousand downloads total - 2 stars on GitHub - 1 maintainer
comotion 0.0.0
More coming soon
1 version - Latest release: about 3 years ago - 1.55 thousand downloads total - 1 maintainer
hostless 0.0.0
Hostless
1 version - Latest release: about 5 years ago - 1.63 thousand downloads total - 0 stars on GitHub - 1 maintainer
cap-dir-ext 0.7.0
Extension traits for `Dir`
5 versions - Latest release: about 5 years ago - 7.35 thousand downloads total - 1 maintainer
Top 3.8% on crates.io
unsafe-io 0.11.0
unsafe-io has been renamed to io-extras
36 versions - Latest release: over 4 years ago - 20 dependent packages - 42 dependent repositories - 243 thousand downloads total - 1 maintainer
buffer-trait 0.2.2
A `Buffer` trait for reading into uninitialized buffers.
5 versions - Latest release: 6 months ago - 2.69 thousand downloads total - 1 maintainer
peepmatic-macro 0.78.0
Macros for peepmatic
15 versions - Latest release: over 4 years ago - 2 dependent packages - 3 dependent repositories - 31.9 thousand downloads total - 2 maintainers
layered-io 0.23.1
I/O traits extending Read and Write
29 versions - Latest release: almost 2 years ago - 5 dependent packages - 4 dependent repositories - 41.8 thousand downloads total - 1 stars on GitHub - 1 maintainer
wit-abi 0.0.0
More coming soon
1 version - Latest release: over 4 years ago - 1.54 thousand downloads total - 1 maintainer
wasm-particle 0.0.0
Watch this space
1 version - Latest release: about 2 years ago - 1.47 thousand downloads total - 1 maintainer
Top 8.2% on crates.io
io-extras 0.19.0
File/socket handle/descriptor utilities
28 versions - Latest release: 7 months ago - 19 dependent packages - 512 dependent repositories - 10 million downloads total - 22 stars on GitHub - 1 maintainer
Top 6.6% on crates.io
faerie 0.16.0
ELF and Mach-o native binary object file emitter
27 versions - Latest release: over 5 years ago - 11 dependent packages - 45 dependent repositories - 440 thousand downloads total - 285 stars on GitHub - 2 maintainers
fs-set-times 0.20.3
Set filesystem timestamps
45 versions - Latest release: about 1 year ago - 8 dependent packages - 537 dependent repositories - 10.6 million downloads total - 9 stars on GitHub - 1 maintainer
Top 9.8% on crates.io
filecheck 0.5.0
Library for writing tests for utilities that read text files and produce text output
7 versions - Latest release: almost 6 years ago - 4 dependent packages - 129 dependent repositories - 1.52 million downloads total - 23 stars on GitHub - 1 maintainer
Top 9.8% on crates.io
cretonne-entity
Data structures using entity references as mapping keys
14 versions - Latest release: 2 months ago - 3 dependent packages - 1 dependent repositories - 21.8 thousand downloads total - 2,498 stars on GitHub - 1 maintainer
c-scape 0.22.2
A libc bottom-half implementation in Rust
97 versions - Latest release: 5 months ago - 2 dependent packages - 1 dependent repositories - 128 thousand downloads total - 294 stars on GitHub - 1 maintainer
Details
Login sunfishcode
Name Dan Gohman
URL https://github.com/sunfishcode
Profile View on crates.io