Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
crates.io packages
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Top 0.4% on crates.io
284 versions - Latest release: about 1 month ago - 32,737 dependent packages - 98,312 dependent repositories - 280 million downloads total - 8,478 stars on GitHub - 1 maintainer
serde 1.0.197
A generic serialization/deserialization framework284 versions - Latest release: about 1 month ago - 32,737 dependent packages - 98,312 dependent repositories - 280 million downloads total - 8,478 stars on GitHub - 1 maintainer
Top 0.6% on crates.io
147 versions - Latest release: 3 days ago - 22,161 dependent packages - 80,300 dependent repositories - 239 million downloads total - 4,471 stars on GitHub - 1 maintainer
serde_json 1.0.115
A JSON serialization file format147 versions - Latest release: 3 days ago - 22,161 dependent packages - 80,300 dependent repositories - 239 million downloads total - 4,471 stars on GitHub - 1 maintainer
Top 0.2% on crates.io
150 versions - Latest release: about 17 hours ago - 17,339 dependent packages - 53,472 dependent repositories - 168 million downloads total - 24,239 stars on GitHub - 2 maintainers
tokio 1.37.0 💰
An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.150 versions - Latest release: about 17 hours ago - 17,339 dependent packages - 53,472 dependent repositories - 168 million downloads total - 24,239 stars on GitHub - 2 maintainers
Top 1.1% on crates.io
51 versions - Latest release: 30 days ago - 16,261 dependent packages - 98,323 dependent repositories - 244 million downloads total - 2,020 stars on GitHub - 5 maintainers
log 0.4.21
A lightweight logging facade for Rust51 versions - Latest release: 30 days ago - 16,261 dependent packages - 98,323 dependent repositories - 244 million downloads total - 2,020 stars on GitHub - 5 maintainers
Top 1.2% on crates.io
59 versions - Latest release: 17 days ago - 14,050 dependent packages - 57,359 dependent repositories - 178 million downloads total - 3,697 stars on GitHub - 1 maintainer
thiserror 1.0.58 💰
derive(Error)59 versions - Latest release: 17 days ago - 14,050 dependent packages - 57,359 dependent repositories - 178 million downloads total - 3,697 stars on GitHub - 1 maintainer
Top 0.3% on crates.io
395 versions - Latest release: about 1 month ago - 13,940 dependent packages - 49,815 dependent repositories - 205 million downloads total - 13,052 stars on GitHub - 1 maintainer
clap 4.5.1 💰
A simple to use, efficient, and full-featured Command Line Argument Parser395 versions - Latest release: about 1 month ago - 13,940 dependent packages - 49,815 dependent repositories - 205 million downloads total - 13,052 stars on GitHub - 1 maintainer
Top 1.0% on crates.io
70 versions - Latest release: about 2 years ago - 13,746 dependent packages - 86,804 dependent repositories - 298 million downloads total - 1,559 stars on GitHub - 2 maintainers
rand 0.8.5
Random number generators and other randomness functionality.70 versions - Latest release: about 2 years ago - 13,746 dependent packages - 86,804 dependent repositories - 298 million downloads total - 1,559 stars on GitHub - 2 maintainers
Top 1.1% on crates.io
83 versions - Latest release: 17 days ago - 13,133 dependent packages - 46,716 dependent repositories - 161 million downloads total - 4,952 stars on GitHub - 1 maintainer
anyhow 1.0.81 💰
Flexible concrete Error type built on std::error::Error83 versions - Latest release: 17 days ago - 13,133 dependent packages - 46,716 dependent repositories - 161 million downloads total - 4,952 stars on GitHub - 1 maintainer
Top 0.5% on crates.io
71 versions - Latest release: 3 months ago - 10,487 dependent packages - 44,386 dependent repositories - 150 million downloads total - 5,199 stars on GitHub - 3 maintainers
futures 0.3.30
An implementation of futures and streams featuring zero allocations, composability, and iterator-...71 versions - Latest release: 3 months ago - 10,487 dependent packages - 44,386 dependent repositories - 150 million downloads total - 5,199 stars on GitHub - 3 maintainers
Top 1.7% on crates.io
37 versions - Latest release: over 4 years ago - 10,153 dependent packages - 103,112 dependent repositories - 222 million downloads total - 1,846 stars on GitHub - 1 maintainer
lazy_static 1.4.0
A macro for declaring lazily evaluated statics in Rust.37 versions - Latest release: over 4 years ago - 10,153 dependent packages - 103,112 dependent repositories - 222 million downloads total - 1,846 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
87 versions - Latest release: 2 days ago - 9,879 dependent packages - 44,592 dependent repositories - 153 million downloads total - 3,083 stars on GitHub - 1 maintainer
chrono 0.4.37
Date and time library for Rust87 versions - Latest release: 2 days ago - 9,879 dependent packages - 44,592 dependent repositories - 153 million downloads total - 3,083 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
156 versions - Latest release: 6 days ago - 8,933 dependent packages - 76,014 dependent repositories - 233 million downloads total - 3,302 stars on GitHub - 2 maintainers
regex 1.10.4
An implementation of regular expressions for Rust. This implementation uses finite automata and g...156 versions - Latest release: 6 days ago - 8,933 dependent packages - 76,014 dependent repositories - 233 million downloads total - 3,302 stars on GitHub - 2 maintainers
Top 0.5% on crates.io
93 versions - Latest release: 4 days ago - 8,039 dependent packages - 25,229 dependent repositories - 94.3 million downloads total - 8,965 stars on GitHub - 1 maintainer
reqwest 0.12.2 💰
higher level HTTP client library93 versions - Latest release: 4 days ago - 8,039 dependent packages - 25,229 dependent repositories - 94.3 million downloads total - 8,965 stars on GitHub - 1 maintainer
Top 1.0% on crates.io
287 versions - Latest release: 5 days ago - 7,592 dependent packages - 105,913 dependent repositories - 419 million downloads total - 2,533 stars on GitHub - 1 maintainer
syn 2.0.54 💰
Parser for Rust source code287 versions - Latest release: 5 days ago - 7,592 dependent packages - 105,913 dependent repositories - 419 million downloads total - 2,533 stars on GitHub - 1 maintainer
Top 1.9% on crates.io
83 versions - Latest release: 3 months ago - 7,533 dependent packages - 106,671 dependent repositories - 319 million downloads total - 1,202 stars on GitHub - 1 maintainer
quote 1.0.35 💰
Quasi-quoting macro quote!(...)83 versions - Latest release: 3 months ago - 7,533 dependent packages - 106,671 dependent repositories - 319 million downloads total - 1,202 stars on GitHub - 1 maintainer
Top 0.4% on crates.io
239 versions - Latest release: about 1 month ago - 7,267 dependent packages - 78,049 dependent repositories - 250 million downloads total - 8,478 stars on GitHub - 1 maintainer
serde_derive 1.0.197
Macros 1.1 implementation of #[derive(Serialize, Deserialize)]239 versions - Latest release: about 1 month ago - 7,267 dependent packages - 78,049 dependent repositories - 250 million downloads total - 8,478 stars on GitHub - 1 maintainer
Top 2.0% on crates.io
51 versions - Latest release: 24 days ago - 6,989 dependent packages - 34,638 dependent repositories - 132 million downloads total - 738 stars on GitHub - 4 maintainers
env_logger 0.11.3
A logging implementation for `log` which is configured via an environment variable.51 versions - Latest release: 24 days ago - 6,989 dependent packages - 34,638 dependent repositories - 132 million downloads total - 738 stars on GitHub - 4 maintainers
Top 0.8% on crates.io
166 versions - Latest release: about 2 months ago - 6,838 dependent packages - 124,383 dependent repositories - 316 million downloads total - 1,937 stars on GitHub - 6 maintainers
libc 0.2.153
Raw FFI bindings to platform libraries like libc.166 versions - Latest release: about 2 months ago - 6,838 dependent packages - 124,383 dependent repositories - 316 million downloads total - 1,937 stars on GitHub - 6 maintainers
Top 2.1% on crates.io
135 versions - Latest release: 17 days ago - 6,297 dependent packages - 104,726 dependent repositories - 322 million downloads total - 648 stars on GitHub - 1 maintainer
proc-macro2 1.0.79 💰
A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries ...135 versions - Latest release: 17 days ago - 6,297 dependent packages - 104,726 dependent repositories - 322 million downloads total - 648 stars on GitHub - 1 maintainer
Top 1.3% on crates.io
81 versions - Latest release: 4 months ago - 5,770 dependent packages - 52,183 dependent repositories - 167 million downloads total - 1,205 stars on GitHub - 3 maintainers
url 2.5.0
URL library for Rust, based on the WHATWG URL Standard81 versions - Latest release: 4 months ago - 5,770 dependent packages - 52,183 dependent repositories - 167 million downloads total - 1,205 stars on GitHub - 3 maintainers
Top 1.9% on crates.io
80 versions - Latest release: 5 days ago - 5,550 dependent packages - 27,916 dependent repositories - 116 million downloads total - 1,671 stars on GitHub - 1 maintainer
async-trait 0.1.79 💰
Type erasure for async trait methods80 versions - Latest release: 5 days ago - 5,550 dependent packages - 27,916 dependent repositories - 116 million downloads total - 1,671 stars on GitHub - 1 maintainer
Top 1.2% on crates.io
47 versions - Latest release: 7 days ago - 5,512 dependent packages - 57,682 dependent repositories - 188 million downloads total - 1,652 stars on GitHub - 2 maintainers
bytes 1.6.0 💰
Types and traits for working with bytes47 versions - Latest release: 7 days ago - 5,512 dependent packages - 57,682 dependent repositories - 188 million downloads total - 1,652 stars on GitHub - 2 maintainers
Top 0.6% on crates.io
42 versions - Latest release: 5 months ago - 5,083 dependent packages - 43,966 dependent repositories - 142 million downloads total - 4,839 stars on GitHub - 1 maintainer
tracing 0.1.40 💰
Application-level tracing for Rust.42 versions - Latest release: 5 months ago - 5,083 dependent packages - 43,966 dependent repositories - 142 million downloads total - 4,839 stars on GitHub - 1 maintainer
Top 1.0% on crates.io
128 versions - Latest release: about 2 months ago - 4,978 dependent packages - 35,426 dependent repositories - 183 million downloads total - 2,510 stars on GitHub - 2 maintainers
itertools 0.12.1
Extra iterator adaptors, iterator methods, free functions, and macros.128 versions - Latest release: about 2 months ago - 4,978 dependent packages - 35,426 dependent repositories - 183 million downloads total - 2,510 stars on GitHub - 2 maintainers
Top 0.9% on crates.io
25 versions - Latest release: 10 months ago - 4,618 dependent packages - 10,499 dependent repositories - 39.9 million downloads total - 4,093 stars on GitHub - 2 maintainers
criterion 0.5.1
Statistics-driven micro-benchmarking library25 versions - Latest release: 10 months ago - 4,618 dependent packages - 10,499 dependent repositories - 39.9 million downloads total - 4,093 stars on GitHub - 2 maintainers
Top 1.7% on crates.io
58 versions - Latest release: 4 months ago - 4,387 dependent packages - 70,561 dependent repositories - 224 million downloads total - 1,719 stars on GitHub - 2 maintainers
once_cell 1.19.0
Single assignment cells and lazy values.58 versions - Latest release: 4 months ago - 4,387 dependent packages - 70,561 dependent repositories - 224 million downloads total - 1,719 stars on GitHub - 2 maintainers
Top 1.9% on crates.io
47 versions - Latest release: about 1 month ago - 4,285 dependent packages - 43,729 dependent repositories - 136 million downloads total - 1,005 stars on GitHub - 2 maintainers
tempfile 3.10.1
A library for managing temporary files and directories.47 versions - Latest release: about 1 month ago - 4,285 dependent packages - 43,729 dependent repositories - 136 million downloads total - 1,005 stars on GitHub - 2 maintainers
Top 2.3% on crates.io
42 versions - Latest release: 27 days ago - 4,192 dependent packages - 60,264 dependent repositories - 265 million downloads total - 565 stars on GitHub - 2 maintainers
base64 0.22.0
encodes and decodes base64 as bytes or utf842 versions - Latest release: 27 days ago - 4,192 dependent packages - 60,264 dependent repositories - 265 million downloads total - 565 stars on GitHub - 2 maintainers
Top 2.3% on crates.io
81 versions - Latest release: 11 days ago - 4,133 dependent packages - 42,910 dependent repositories - 149 million downloads total - 597 stars on GitHub - 3 maintainers
toml 0.8.12
A native Rust encoder and decoder of TOML-formatted files and streams. Provides implementations o...81 versions - Latest release: 11 days ago - 4,133 dependent packages - 42,910 dependent repositories - 149 million downloads total - 597 stars on GitHub - 3 maintainers
Top 3.3% on crates.io
9 versions - Latest release: about 3 years ago - 3,981 dependent packages - 33,666 dependent repositories - 115 million downloads total - 176 stars on GitHub - 1 maintainer
hex 0.4.3 💰
Encoding and decoding data into/from hexadecimal representation.9 versions - Latest release: about 3 years ago - 3,981 dependent packages - 33,666 dependent repositories - 115 million downloads total - 176 stars on GitHub - 1 maintainer
Top 1.7% on crates.io
66 versions - Latest release: 10 days ago - 3,966 dependent packages - 32,282 dependent repositories - 132 million downloads total - 907 stars on GitHub - 4 maintainers
uuid 1.8.0
A library to generate and parse UUIDs.66 versions - Latest release: 10 days ago - 3,966 dependent packages - 32,282 dependent repositories - 132 million downloads total - 907 stars on GitHub - 4 maintainers
Top 1.4% on crates.io
60 versions - Latest release: about 2 years ago - 3,743 dependent packages - 12,644 dependent repositories - 40.7 million downloads total - 2,671 stars on GitHub - 2 maintainers
structopt 0.3.26
Parse command line argument by defining a struct.60 versions - Latest release: about 2 years ago - 3,743 dependent packages - 12,644 dependent repositories - 40.7 million downloads total - 2,671 stars on GitHub - 2 maintainers
Top 2.1% on crates.io
31 versions - Latest release: about 2 months ago - 3,730 dependent packages - 74,440 dependent repositories - 215 million downloads total - 624 stars on GitHub - 2 maintainers
num-traits 0.2.18
Numeric traits for generic mathematics31 versions - Latest release: about 2 months ago - 3,730 dependent packages - 74,440 dependent repositories - 215 million downloads total - 624 stars on GitHub - 2 maintainers
Top 0.3% on crates.io
232 versions - Latest release: about 1 month ago - 3,673 dependent packages - 38,106 dependent repositories - 138 million downloads total - 13,684 stars on GitHub - 1 maintainer
hyper 1.2.0 💰
A fast and correct HTTP library.232 versions - Latest release: about 1 month ago - 3,673 dependent packages - 38,106 dependent repositories - 138 million downloads total - 13,684 stars on GitHub - 1 maintainer
Top 1.8% on crates.io
58 versions - Latest release: 6 months ago - 3,661 dependent packages - 69,261 dependent repositories - 170 million downloads total - 919 stars on GitHub - 1 maintainer
byteorder 1.5.0
Library for reading/writing numbers in big-endian and little-endian.58 versions - Latest release: 6 months ago - 3,661 dependent packages - 69,261 dependent repositories - 170 million downloads total - 919 stars on GitHub - 1 maintainer
Top 1.7% on crates.io
10 versions - Latest release: almost 4 years ago - 3,125 dependent packages - 14,385 dependent repositories - 30.8 million downloads total - 1,432 stars on GitHub - 1 maintainer
failure 0.1.8
Experimental error handling abstraction.10 versions - Latest release: almost 4 years ago - 3,125 dependent packages - 14,385 dependent repositories - 30.8 million downloads total - 1,432 stars on GitHub - 1 maintainer
Top 0.5% on crates.io
38 versions - Latest release: 5 days ago - 3,110 dependent packages - 28,498 dependent repositories - 99.7 million downloads total - 10,073 stars on GitHub - 2 maintainers
rayon 1.10.0
Simple work-stealing parallelism for Rust38 versions - Latest release: 5 days ago - 3,110 dependent packages - 28,498 dependent repositories - 99.7 million downloads total - 10,073 stars on GitHub - 2 maintainers
Top 1.4% on crates.io
38 versions - Latest release: 25 days ago - 2,968 dependent packages - 42,695 dependent repositories - 133 million downloads total - 1,082 stars on GitHub - 2 maintainers
http 1.1.0
A set of types for representing HTTP requests and responses.38 versions - Latest release: 25 days ago - 2,968 dependent packages - 42,695 dependent repositories - 133 million downloads total - 1,082 stars on GitHub - 2 maintainers
Top 1.2% on crates.io
41 versions - Latest release: 6 months ago - 2,917 dependent packages - 36,896 dependent repositories - 148 million downloads total - 1,641 stars on GitHub - 2 maintainers
sha2 0.10.8
Pure Rust implementation of the SHA-2 hash function family including SHA-224, SHA-256, SHA-384, a...41 versions - Latest release: 6 months ago - 2,917 dependent packages - 36,896 dependent repositories - 148 million downloads total - 1,641 stars on GitHub - 2 maintainers
Top 1.4% on crates.io
114 versions - Latest release: about 2 months ago - 2,902 dependent packages - 57,971 dependent repositories - 228 million downloads total - 989 stars on GitHub - 1 maintainer
time 0.3.34 💰
Date and time library. Fully interoperable with the standard library. Mostly compatible with #![n...114 versions - Latest release: about 2 months ago - 2,902 dependent packages - 57,971 dependent repositories - 228 million downloads total - 989 stars on GitHub - 1 maintainer
Top 1.1% on crates.io
70 versions - Latest release: almost 3 years ago - 2,660 dependent packages - 21,396 dependent repositories - 58.6 million downloads total - 2,423 stars on GitHub - 3 maintainers
bincode 1.3.3
A binary serialization / deserialization strategy for transforming structs into bytes and vice ve...70 versions - Latest release: almost 3 years ago - 2,660 dependent packages - 21,396 dependent repositories - 58.6 million downloads total - 2,423 stars on GitHub - 3 maintainers
Top 0.6% on crates.io
62 versions - Latest release: 5 months ago - 2,641 dependent packages - 20,007 dependent repositories - 85.1 million downloads total - 4,839 stars on GitHub - 2 maintainers
tracing-subscriber 0.3.18 💰
Utilities for implementing and composing `tracing` subscribers.62 versions - Latest release: 5 months ago - 2,641 dependent packages - 20,007 dependent repositories - 85.1 million downloads total - 4,839 stars on GitHub - 2 maintainers
Top 1.8% on crates.io
48 versions - Latest release: 10 days ago - 2,599 dependent packages - 104,118 dependent repositories - 295 million downloads total - 831 stars on GitHub - 3 maintainers
bitflags 2.5.0
A macro to generate structures which behave like bitflags.48 versions - Latest release: 10 days ago - 2,599 dependent packages - 104,118 dependent repositories - 295 million downloads total - 831 stars on GitHub - 3 maintainers
Top 2.1% on crates.io
86 versions - Latest release: 4 days ago - 2,442 dependent packages - 9,134 dependent repositories - 55.6 million downloads total - 915 stars on GitHub - 1 maintainer
serde_yaml 0.9.34+deprecated 💰
YAML data format for Serde86 versions - Latest release: 4 days ago - 2,442 dependent packages - 9,134 dependent repositories - 55.6 million downloads total - 915 stars on GitHub - 1 maintainer
Top 2.0% on crates.io
30 versions - Latest release: 4 months ago - 2,429 dependent packages - 8,455 dependent repositories - 34.3 million downloads total - 1,579 stars on GitHub - 3 maintainers
colored 2.1.0
The most simple way to add colors in your terminal30 versions - Latest release: 4 months ago - 2,429 dependent packages - 8,455 dependent repositories - 34.3 million downloads total - 1,579 stars on GitHub - 3 maintainers
Top 1.2% on crates.io
54 versions - Latest release: almost 2 years ago - 2,394 dependent packages - 56,752 dependent repositories - 212 million downloads total - 2,480 stars on GitHub - 2 maintainers
parking_lot 0.12.1
More compact and efficient implementations of the standard synchronization primitives.54 versions - Latest release: almost 2 years ago - 2,394 dependent packages - 56,752 dependent repositories - 212 million downloads total - 2,480 stars on GitHub - 2 maintainers
Top 0.6% on crates.io
35 versions - Latest release: 3 months ago - 2,333 dependent packages - 48,022 dependent repositories - 150 million downloads total - 5,199 stars on GitHub - 2 maintainers
futures-util 0.3.30
Common utilities and extension traits for the futures-rs library.35 versions - Latest release: 3 months ago - 2,333 dependent packages - 48,022 dependent repositories - 150 million downloads total - 5,199 stars on GitHub - 2 maintainers
Top 2.7% on crates.io
19 versions - Latest release: 11 months ago - 2,292 dependent packages - 15,606 dependent repositories - 67.6 million downloads total - 589 stars on GitHub - 1 maintainer
dirs 5.0.1
A tiny low-level library that provides platform-specific standard locations of directories for co...19 versions - Latest release: 11 months ago - 2,292 dependent packages - 15,606 dependent repositories - 67.6 million downloads total - 589 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
108 versions - Latest release: 19 days ago - 1,997 dependent packages - 15,485 dependent repositories - 24.8 million downloads total - 4,446 stars on GitHub - 3 maintainers
image 0.25.0
Imaging library. Provides basic image processing and encoders/decoders for common image formats.108 versions - Latest release: 19 days ago - 1,997 dependent packages - 15,485 dependent repositories - 24.8 million downloads total - 4,446 stars on GitHub - 3 maintainers
Top 1.9% on crates.io
40 versions - Latest release: 28 days ago - 1,969 dependent packages - 36,791 dependent repositories - 109 million downloads total - 1,096 stars on GitHub - 1 maintainer
walkdir 2.5.0
Recursively walk a directory.40 versions - Latest release: 28 days ago - 1,969 dependent packages - 36,791 dependent repositories - 109 million downloads total - 1,096 stars on GitHub - 1 maintainer
Top 1.0% on crates.io
51 versions - Latest release: almost 4 years ago - 1,947 dependent packages - 107,944 dependent repositories - 119 million downloads total - 1,771 stars on GitHub - 1 maintainer
winapi 0.3.9 💰
Raw FFI bindings for all of Windows API.51 versions - Latest release: almost 4 years ago - 1,947 dependent packages - 107,944 dependent repositories - 119 million downloads total - 1,771 stars on GitHub - 1 maintainer
Top 1.1% on crates.io
35 versions - Latest release: almost 2 years ago - 1,944 dependent packages - 6,977 dependent repositories - 21.7 million downloads total - 3,765 stars on GitHub - 5 maintainers
async-std 1.12.0
Async version of the Rust standard library35 versions - Latest release: almost 2 years ago - 1,944 dependent packages - 6,977 dependent repositories - 21.7 million downloads total - 3,765 stars on GitHub - 5 maintainers
Top 1.0% on crates.io
92 versions - Latest release: 22 days ago - 1,916 dependent packages - 75,612 dependent repositories - 220 million downloads total - 1,721 stars on GitHub - 1 maintainer
cc 1.0.90
A build-time dependency for Cargo build scripts to assist in invoking the native C compiler to co...92 versions - Latest release: 22 days ago - 1,916 dependent packages - 75,612 dependent repositories - 220 million downloads total - 1,721 stars on GitHub - 1 maintainer
Top 2.6% on crates.io
25 versions - Latest release: 9 months ago - 1,881 dependent packages - 5,599 dependent repositories - 34.7 million downloads total - 1,114 stars on GitHub - 2 maintainers
pretty_assertions 1.4.0
Overwrite `assert_eq!` and `assert_ne!` with drop-in replacements, adding colorful diffs.25 versions - Latest release: 9 months ago - 1,881 dependent packages - 5,599 dependent repositories - 34.7 million downloads total - 1,114 stars on GitHub - 2 maintainers
Top 0.7% on crates.io
119 versions - Latest release: about 2 months ago - 1,875 dependent packages - 12,109 dependent repositories - 58.3 million downloads total - 4,028 stars on GitHub - 2 maintainers
bindgen 0.69.4
Automatically generates Rust FFI bindings to C and C++ libraries.119 versions - Latest release: about 2 months ago - 1,875 dependent packages - 12,109 dependent repositories - 58.3 million downloads total - 4,028 stars on GitHub - 2 maintainers
Top 0.4% on crates.io
94 versions - Latest release: about 1 year ago - 1,874 dependent packages - 31,948 dependent repositories - 134 million downloads total - 8,927 stars on GitHub - 1 maintainer
nom 7.1.3
A byte-oriented, zero-copy, parser combinators library94 versions - Latest release: about 1 year ago - 1,874 dependent packages - 31,948 dependent repositories - 134 million downloads total - 8,927 stars on GitHub - 1 maintainer
Top 0.5% on crates.io
94 versions - Latest release: 25 days ago - 1,776 dependent packages - 56,963 dependent repositories - 74.5 million downloads total - 7,193 stars on GitHub - 2 maintainers
wasm-bindgen 0.2.92
Easy support for interacting between JS and Rust.94 versions - Latest release: 25 days ago - 1,776 dependent packages - 56,963 dependent repositories - 74.5 million downloads total - 7,193 stars on GitHub - 2 maintainers
Top 1.9% on crates.io
55 versions - Latest release: 9 months ago - 1,774 dependent packages - 13,151 dependent repositories - 44.7 million downloads total - 945 stars on GitHub - 3 maintainers
num 0.4.1
A collection of numeric types and traits for Rust, including bigint, complex, rational, range ite...55 versions - Latest release: 9 months ago - 1,774 dependent packages - 13,151 dependent repositories - 44.7 million downloads total - 945 stars on GitHub - 3 maintainers
Top 1.8% on crates.io
61 versions - Latest release: 6 months ago - 1,727 dependent packages - 37,735 dependent repositories - 117 million downloads total - 777 stars on GitHub - 4 maintainers
flate2 1.0.28
DEFLATE compression and decompression exposed as Read/BufRead/Write streams. Supports miniz_oxide...61 versions - Latest release: 6 months ago - 1,727 dependent packages - 37,735 dependent repositories - 117 million downloads total - 777 stars on GitHub - 4 maintainers
Top 2.8% on crates.io
12 versions - Latest release: over 3 years ago - 1,707 dependent packages - 109,858 dependent repositories - 295 million downloads total - 498 stars on GitHub - 2 maintainers
cfg-if 1.0.0
A macro to ergonomically define an item depending on a large number of #[cfg] parameters. Structu...12 versions - Latest release: over 3 years ago - 1,707 dependent packages - 109,858 dependent repositories - 295 million downloads total - 498 stars on GitHub - 2 maintainers
Top 1.5% on crates.io
36 versions - Latest release: 6 days ago - 1,627 dependent packages - 60,616 dependent repositories - 214 million downloads total - 1,460 stars on GitHub - 2 maintainers
indexmap 2.2.6
A hash table with consistent order and fast iteration.36 versions - Latest release: 6 days ago - 1,627 dependent packages - 60,616 dependent repositories - 214 million downloads total - 1,460 stars on GitHub - 2 maintainers
Top 1.7% on crates.io
35 versions - Latest release: 18 days ago - 1,609 dependent packages - 12,965 dependent repositories - 71.8 million downloads total - 1,520 stars on GitHub - 1 maintainer
strum 0.26.2
Helpful macros for working with enums and strings35 versions - Latest release: 18 days ago - 1,609 dependent packages - 12,965 dependent repositories - 71.8 million downloads total - 1,520 stars on GitHub - 1 maintainer
Top 0.8% on crates.io
72 versions - Latest release: about 1 month ago - 1,561 dependent packages - 23,155 dependent repositories - 132 million downloads total - 2,410 stars on GitHub - 1 maintainer
nix 0.28.0
Rust friendly bindings to *nix APIs72 versions - Latest release: about 1 month ago - 1,561 dependent packages - 23,155 dependent repositories - 132 million downloads total - 2,410 stars on GitHub - 1 maintainer
Top 2.4% on crates.io
34 versions - Latest release: 9 months ago - 1,550 dependent packages - 23,840 dependent repositories - 95.7 million downloads total - 915 stars on GitHub - 1 maintainer
paste 1.0.14 💰
Macros for all your token pasting needs34 versions - Latest release: 9 months ago - 1,550 dependent packages - 23,840 dependent repositories - 95.7 million downloads total - 915 stars on GitHub - 1 maintainer
Top 2.4% on crates.io
39 versions - Latest release: 9 months ago - 1,525 dependent packages - 68,814 dependent repositories - 171 million downloads total - 544 stars on GitHub - 1 maintainer
num_cpus 1.16.0 💰
Get the number of CPUs on a machine.39 versions - Latest release: 9 months ago - 1,525 dependent packages - 68,814 dependent repositories - 171 million downloads total - 544 stars on GitHub - 1 maintainer
Top 2.6% on crates.io
27 versions - Latest release: about 1 year ago - 1,507 dependent packages - 33,045 dependent repositories - 102 million downloads total - 416 stars on GitHub - 3 maintainers
glob 0.3.1
Support for matching file paths against Unix shell style patterns.27 versions - Latest release: about 1 year ago - 1,507 dependent packages - 33,045 dependent repositories - 102 million downloads total - 416 stars on GitHub - 3 maintainers
Top 1.9% on crates.io
42 versions - Latest release: over 2 years ago - 1,505 dependent packages - 24,555 dependent repositories - 57.4 million downloads total - 1,354 stars on GitHub - 1 maintainer
derive_more 0.99.17
Adds #[derive(x)] macros for more traits42 versions - Latest release: over 2 years ago - 1,505 dependent packages - 24,555 dependent repositories - 57.4 million downloads total - 1,354 stars on GitHub - 1 maintainer
Top 3.2% on crates.io
41 versions - Latest release: about 1 year ago - 1,433 dependent packages - 37,670 dependent repositories - 114 million downloads total - 163 stars on GitHub - 1 maintainer
mime 0.3.17
Strongly Typed Mimes41 versions - Latest release: about 1 year ago - 1,433 dependent packages - 37,670 dependent repositories - 114 million downloads total - 163 stars on GitHub - 1 maintainer
Top 0.3% on crates.io
17 versions - Latest release: 15 days ago - 1,432 dependent packages - 16,921 dependent repositories - 72.1 million downloads total - 24,239 stars on GitHub - 2 maintainers
tokio-stream 0.1.15 💰
Utilities to work with `Stream` and `tokio`.17 versions - Latest release: 15 days ago - 1,432 dependent packages - 16,921 dependent repositories - 72.1 million downloads total - 24,239 stars on GitHub - 2 maintainers
Top 0.2% on crates.io
29 versions - Latest release: 5 months ago - 1,380 dependent packages - 34,987 dependent repositories - 145 million downloads total - 24,239 stars on GitHub - 2 maintainers
tokio-util 0.7.10 💰
Additional utilities for working with Tokio.29 versions - Latest release: 5 months ago - 1,380 dependent packages - 34,987 dependent repositories - 145 million downloads total - 24,239 stars on GitHub - 2 maintainers
Top 1.6% on crates.io
66 versions - Latest release: 9 days ago - 1,343 dependent packages - 67,564 dependent repositories - 215 million downloads total - 1,218 stars on GitHub - 2 maintainers
smallvec 1.13.2
'Small vector' optimization: store up to a small number of items on the stack66 versions - Latest release: 9 days ago - 1,343 dependent packages - 67,564 dependent repositories - 215 million downloads total - 1,218 stars on GitHub - 2 maintainers
Top 1.2% on crates.io
45 versions - Latest release: about 2 months ago - 1,292 dependent packages - 5,263 dependent repositories - 26.7 million downloads total - 3,928 stars on GitHub - 2 maintainers
indicatif 0.17.8
A progress bar and cli reporting library for Rust45 versions - Latest release: about 2 months ago - 1,292 dependent packages - 5,263 dependent repositories - 26.7 million downloads total - 3,928 stars on GitHub - 2 maintainers
Top 1.0% on crates.io
157 versions - Latest release: about 1 month ago - 1,266 dependent packages - 28,271 dependent repositories - 88.4 million downloads total - 1,309 stars on GitHub - 2 maintainers
openssl 0.10.64 💰
OpenSSL bindings157 versions - Latest release: about 1 month ago - 1,266 dependent packages - 28,271 dependent repositories - 88.4 million downloads total - 1,309 stars on GitHub - 2 maintainers
Top 2.1% on crates.io
60 versions - Latest release: about 1 month ago - 1,257 dependent packages - 48,694 dependent repositories - 197 million downloads total - 527 stars on GitHub - 1 maintainer
semver 1.0.22 💰
Parser and evaluator for Cargo's flavor of Semantic Versioning60 versions - Latest release: about 1 month ago - 1,257 dependent packages - 48,694 dependent repositories - 197 million downloads total - 527 stars on GitHub - 1 maintainer
Top 0.6% on crates.io
39 versions - Latest release: 30 days ago - 1,209 dependent packages - 36,222 dependent repositories - 134 million downloads total - 6,543 stars on GitHub - 3 maintainers
crossbeam-channel 0.5.12
Multi-producer multi-consumer channels for message passing39 versions - Latest release: 30 days ago - 1,209 dependent packages - 36,222 dependent repositories - 134 million downloads total - 6,543 stars on GitHub - 3 maintainers
Top 4.0% on crates.io
11 versions - Latest release: about 6 years ago - 1,194 dependent packages - 6,268 dependent repositories - 17.8 million downloads total - 136 stars on GitHub - 2 maintainers
tempdir 0.3.7
A library for managing a temporary directory and deleting all contents when it's dropped.11 versions - Latest release: about 6 years ago - 1,194 dependent packages - 6,268 dependent repositories - 17.8 million downloads total - 136 stars on GitHub - 2 maintainers
Top 1.6% on crates.io
84 versions - Latest release: about 3 years ago - 1,172 dependent packages - 3,878 dependent repositories - 16 million downloads total - 2,235 stars on GitHub - 1 maintainer
quickcheck 1.0.3
Automatic property based testing with shrinking.84 versions - Latest release: about 3 years ago - 1,172 dependent packages - 3,878 dependent repositories - 16 million downloads total - 2,235 stars on GitHub - 1 maintainer
Top 1.2% on crates.io
67 versions - Latest release: 8 months ago - 1,161 dependent packages - 4,402 dependent repositories - 19.6 million downloads total - 2,791 stars on GitHub - 1 maintainer
crossterm 0.27.0
A crossplatform terminal library for manipulating terminals.67 versions - Latest release: 8 months ago - 1,161 dependent packages - 4,402 dependent repositories - 19.6 million downloads total - 2,791 stars on GitHub - 1 maintainer
Top 1.4% on crates.io
80 versions - Latest release: 6 months ago - 1,158 dependent packages - 10,109 dependent repositories - 46.7 million downloads total - 1,563 stars on GitHub - 1 maintainer
csv 1.3.0
Fast CSV parsing with support for serde.80 versions - Latest release: 6 months ago - 1,158 dependent packages - 10,109 dependent repositories - 46.7 million downloads total - 1,563 stars on GitHub - 1 maintainer
Top 2.3% on crates.io
29 versions - Latest release: over 3 years ago - 1,152 dependent packages - 8,175 dependent repositories - 31 million downloads total - 728 stars on GitHub - 3 maintainers
error-chain 0.12.4
Yet another error boilerplate library.29 versions - Latest release: over 3 years ago - 1,152 dependent packages - 8,175 dependent repositories - 31 million downloads total - 728 stars on GitHub - 3 maintainers
Top 3.6% on crates.io
40 versions - Latest release: about 1 month ago - 1,151 dependent packages - 4,329 dependent repositories - 11.5 million downloads total - 415 stars on GitHub - 1 maintainer
assert_cmd 2.0.14
Test CLI Applications.40 versions - Latest release: about 1 month ago - 1,151 dependent packages - 4,329 dependent repositories - 11.5 million downloads total - 415 stars on GitHub - 1 maintainer
Top 3.3% on crates.io
49 versions - Latest release: 4 months ago - 1,149 dependent packages - 8,360 dependent repositories - 16.2 million downloads total - 175 stars on GitHub - 2 maintainers
rustc-serialize 0.3.25
Generic serialization/deserialization support corresponding to the `derive(RustcEncodable, RustcD...49 versions - Latest release: 4 months ago - 1,149 dependent packages - 8,360 dependent repositories - 16.2 million downloads total - 175 stars on GitHub - 2 maintainers
Top 1.7% on crates.io
41 versions - Latest release: 5 months ago - 1,135 dependent packages - 3,356 dependent repositories - 17 million downloads total - 1,554 stars on GitHub - 2 maintainers
proptest 1.4.0
Hypothesis-like property-based testing and shrinking.41 versions - Latest release: 5 months ago - 1,135 dependent packages - 3,356 dependent repositories - 17 million downloads total - 1,554 stars on GitHub - 2 maintainers
Top 0.9% on crates.io
32 versions - Latest release: 4 months ago - 1,131 dependent packages - 7,735 dependent repositories - 65.6 million downloads total - 3,425 stars on GitHub - 1 maintainer
prost 0.12.3 💰
A Protocol Buffers implementation for the Rust Language.32 versions - Latest release: 4 months ago - 1,131 dependent packages - 7,735 dependent repositories - 65.6 million downloads total - 3,425 stars on GitHub - 1 maintainer
Top 0.5% on crates.io
71 versions - Latest release: 25 days ago - 1,092 dependent packages - 47,304 dependent repositories - 59.8 million downloads total - 7,193 stars on GitHub - 2 maintainers
web-sys 0.3.69
Bindings for all Web APIs, a procedurally generated crate from WebIDL71 versions - Latest release: 25 days ago - 1,092 dependent packages - 47,304 dependent repositories - 59.8 million downloads total - 7,193 stars on GitHub - 2 maintainers
Top 2.7% on crates.io
21 versions - Latest release: over 4 years ago - 1,059 dependent packages - 8,051 dependent repositories - 16 million downloads total - 530 stars on GitHub - 2 maintainers
dotenv 0.15.0
A `dotenv` implementation for Rust21 versions - Latest release: over 4 years ago - 1,059 dependent packages - 8,051 dependent repositories - 16 million downloads total - 530 stars on GitHub - 2 maintainers
Top 2.6% on crates.io
57 versions - Latest release: about 1 year ago - 1,052 dependent packages - 2,009 dependent repositories - 4.72 million downloads total - 735 stars on GitHub - 1 maintainer
cortex-m 0.7.7
Low level access to Cortex-M processors57 versions - Latest release: about 1 year ago - 1,052 dependent packages - 2,009 dependent repositories - 4.72 million downloads total - 735 stars on GitHub - 1 maintainer
Top 2.1% on crates.io
28 versions - Latest release: 3 months ago - 1,044 dependent packages - 2,296 dependent repositories - 5.74 million downloads total - 1,687 stars on GitHub - 1 maintainer
embedded-hal 1.0.0
A Hardware Abstraction Layer (HAL) for embedded systems28 versions - Latest release: 3 months ago - 1,044 dependent packages - 2,296 dependent repositories - 5.74 million downloads total - 1,687 stars on GitHub - 1 maintainer
Top 3.0% on crates.io
14 versions - Latest release: 11 months ago - 1,034 dependent packages - 3,737 dependent repositories - 10.8 million downloads total - 455 stars on GitHub - 1 maintainer
pretty_env_logger 0.5.0 💰
a visually pretty env_logger14 versions - Latest release: 11 months ago - 1,034 dependent packages - 3,737 dependent repositories - 10.8 million downloads total - 455 stars on GitHub - 1 maintainer
Top 1.7% on crates.io
43 versions - Latest release: 18 days ago - 1,013 dependent packages - 13,102 dependent repositories - 76.7 million downloads total - 1,520 stars on GitHub - 1 maintainer
strum_macros 0.26.2
Helpful macros for working with enums and strings43 versions - Latest release: 18 days ago - 1,013 dependent packages - 13,102 dependent repositories - 76.7 million downloads total - 1,520 stars on GitHub - 1 maintainer
Top 0.5% on crates.io
79 versions - Latest release: 25 days ago - 1,000 dependent packages - 53,109 dependent repositories - 69.6 million downloads total - 7,193 stars on GitHub - 2 maintainers
js-sys 0.3.69
Bindings for all JS global objects and functions in all JS environments like Node.js and browsers...79 versions - Latest release: 25 days ago - 1,000 dependent packages - 53,109 dependent repositories - 69.6 million downloads total - 7,193 stars on GitHub - 2 maintainers
Top 2.6% on crates.io
44 versions - Latest release: 3 days ago - 994 dependent packages - 10,817 dependent repositories - 62.1 million downloads total - 286 stars on GitHub - 2 maintainers
hyper-rustls 0.27.0
Rustls+hyper integration for pure rust HTTPS44 versions - Latest release: 3 days ago - 994 dependent packages - 10,817 dependent repositories - 62.1 million downloads total - 286 stars on GitHub - 2 maintainers
Top 3.1% on crates.io
17 versions - Latest release: about 4 years ago - 962 dependent packages - 58,336 dependent repositories - 141 million downloads total - 266 stars on GitHub - 1 maintainer
atty 0.2.14
A simple interface for querying atty17 versions - Latest release: about 4 years ago - 962 dependent packages - 58,336 dependent repositories - 141 million downloads total - 266 stars on GitHub - 1 maintainer
Top 2.7% on crates.io
91 versions - Latest release: 12 days ago - 945 dependent packages - 3,077 dependent repositories - 10.1 million downloads total - 679 stars on GitHub - 1 maintainer
trybuild 1.0.90 💰
Test harness for ui tests of compiler diagnostics91 versions - Latest release: 12 days ago - 945 dependent packages - 3,077 dependent repositories - 10.1 million downloads total - 679 stars on GitHub - 1 maintainer
Top 1.1% on crates.io
22 versions - Latest release: almost 2 years ago - 925 dependent packages - 7,729 dependent repositories - 52.3 million downloads total - 3,220 stars on GitHub - 2 maintainers
tower 0.4.13
Tower is a library of modular and reusable components for building robust clients and servers.22 versions - Latest release: almost 2 years ago - 925 dependent packages - 7,729 dependent repositories - 52.3 million downloads total - 3,220 stars on GitHub - 2 maintainers
Top 1.0% on crates.io
21 versions - Latest release: over 1 year ago - 925 dependent packages - 73,473 dependent repositories - 296 million downloads total - 1,559 stars on GitHub - 2 maintainers
rand_core 0.6.4
Core random number generator traits and tools for implementation.21 versions - Latest release: over 1 year ago - 925 dependent packages - 73,473 dependent repositories - 296 million downloads total - 1,559 stars on GitHub - 2 maintainers
Top 2.1% on crates.io
28 versions - Latest release: 7 months ago - 923 dependent packages - 20,513 dependent repositories - 102 million downloads total - 472 stars on GitHub - 2 maintainers
num-bigint 0.4.4
Big integer implementation for Rust28 versions - Latest release: 7 months ago - 923 dependent packages - 20,513 dependent repositories - 102 million downloads total - 472 stars on GitHub - 2 maintainers
Top 0.4% on crates.io
144 versions - Latest release: about 2 months ago - 922 dependent packages - 6,843 dependent repositories - 18.1 million downloads total - 20,057 stars on GitHub - 1 maintainer
actix-web 4.5.1 💰
Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust144 versions - Latest release: about 2 months ago - 922 dependent packages - 6,843 dependent repositories - 18.1 million downloads total - 20,057 stars on GitHub - 1 maintainer
Top 2.8% on crates.io
56 versions - Latest release: about 1 year ago - 919 dependent packages - 1,432 dependent repositories - 2.19 million downloads total - 735 stars on GitHub - 1 maintainer
cortex-m-rt 0.7.3
Minimal runtime / startup for Cortex-M microcontrollers56 versions - Latest release: about 1 year ago - 919 dependent packages - 1,432 dependent repositories - 2.19 million downloads total - 735 stars on GitHub - 1 maintainer
Top 2.4% on crates.io
31 versions - Latest release: 3 months ago - 910 dependent packages - 72,510 dependent repositories - 250 million downloads total - 250 stars on GitHub - 1 maintainer
getrandom 0.2.12
A small cross-platform library for retrieving random data from system source31 versions - Latest release: 3 months ago - 910 dependent packages - 72,510 dependent repositories - 250 million downloads total - 250 stars on GitHub - 1 maintainer