Browse Crates Packages

284 packages sorted by popularity

Package Score Downloads / wk Version
lock_api
Wrappers to create fully-featured Mutex and RwLock types. Compatible with no_std.
57 -- 0.4.14
futures-executor
Executors for asynchronous tasks based on the futures-rs library.
67 -- 0.3.32
tokio
An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
64 -- 1.50.0
pin-project-lite
A lightweight version of pin-project written with declarative macros.
64 -- 0.2.17
futures-io
The `AsyncRead`, `AsyncWrite`, `AsyncSeek`, and `AsyncBufRead` traits for the futures-rs library.
67 -- 0.3.32
futures-sink
The asynchronous `Sink` trait for the futures-rs library.
67 -- 0.3.32
regex
An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.
67 -- 1.12.3
serde_derive
Macros 1.1 implementation of #[derive(Serialize, Deserialize)]
62 -- 1.0.228
regex-automata
Automata construction and matching using regular expressions.
67 -- 0.4.14
jobserver
An implementation of the GNU Make jobserver for Rust.
47 -- 0.1.34
futures-macro
The futures-rs procedural macro implementations.
66 -- 0.3.32
pin-project-internal
Implementation detail of the `pin-project` crate.
62 -- 1.1.11
cast
Ergonomic, checked cast functions for primitive types
44 -- 0.3.0
crossbeam-epoch
Epoch-based garbage collection
53 -- 0.9.18
aho-corasick
Fast multiple substring searching.
53 -- 1.1.4
wasip2
WASIp2 API bindings for Rust
51 -- 1.0.2+wasi-0.2.9
oorandom
A tiny, robust PRNG implementation.
42 -- 11.1.5
tracing-core
Core primitives for application-level tracing.
57 -- 0.1.36
derive_utils
A procedural macro helper for easily writing derive macros for enums.
60 -- 0.15.1
rand_chacha
ChaCha random number generator
66 -- 0.10.0
windows-result
Windows error handling
61 -- 0.4.1
pretty_assertions
Overwrite `assert_eq!` and `assert_ne!` with drop-in replacements, adding colorful diffs.
48 -- 1.4.1
allocator-api2
Mirror of Rust's allocator API
49 -- 0.4.0
blink-alloc
Fast, concurrent, arena-based allocator with drop support
52 -- 0.4.0
bytemuck_derive
derive proc-macros for `bytemuck`
53 -- 1.10.2
easy-parallel
Run closures in parallel
43 -- 3.3.1
portable-atomic-util
Synchronization primitives built with portable-atomic.
51 -- 0.2.6
hashbrown
A Rust port of Google's SwissTable hash map
64 -- 0.16.1
slab
Pre-allocated storage for a uniform data type
56 -- 0.4.12
io-uring
The low-level `io_uring` userspace interface for Rust
54 -- 0.7.11
mockall
A powerful mock object library for Rust.
54 -- 0.14.0
tokio-util
Additional utilities for working with Tokio.
63 -- 0.7.18
signal-hook-registry
Backend crate for signal-hook
58 -- 1.4.8
parking_lot
More compact and efficient implementations of the standard synchronization primitives.
61 -- 0.12.5
zlib-rs
A memory-safe zlib implementation written in rust
50 -- 0.6.3
ucd-trie
A trie for storing Unicode codepoint sets and maps.
48 -- 0.1.7
zstd
Binding for the zstd compression library.
47 -- 0.13.3
termtree
Visualize tree-like data on the command-line
61 -- 1.0.0
same-file
A simple crate for determining whether two file paths point to the same file.
46 -- 1.0.6
serde_test
Token De/Serializer for testing De/Serialize implementations
44 -- 1.0.177
sc
Raw system calls
44 -- 0.2.7
tokio-test
Testing utilities for Tokio- and futures-based code
66 -- 0.4.5
auto_enums
A library for to allow multiple return types by automatically generated enum.
61 -- 0.8.8
bindgen
Automatically generates Rust FFI bindings to C and C++ libraries.
62 -- 0.72.1
remove_dir_all
A safe, reliable implementation of remove_dir_all for Windows
47 -- 1.0.0
futures-concurrency
Structured concurrency operations for async Rust
60 -- 7.7.1
wyhash
Rust implementation of the WyHash fast portable non-cryptographic hashing algorithm and random number generator.
49 -- 0.6.0
mio-aio
POSIX AIO bindings for mio
46 -- 1.0.0
bytes
Types and traits for working with bytes
62 -- 1.11.1
simd-adler32
A SIMD-accelerated Adler-32 hash algorithm implementation.
56 -- 0.3.8
adler2
A simple clean-room implementation of the Adler-32 checksum
47 -- 2.0.1
rustc-std-workspace-alloc
crate for integration of crates.io crates into rust-lang/rust standard library workspace
59 -- 1.0.1
litrs
Parse and inspect Rust literals (i.e. tokens in the Rust programming language representing fixed values). Particularly useful for proc macros, …
50 -- 1.0.0
bitflags
A macro to generate structures which behave like bitflags.
69 -- 2.11.0
unicode-width
Determine displayed width of `char` and `str` types according to Unicode Standard Annex #11 rules.
55 -- 0.2.2
num_cpus
Get the number of CPUs on a machine.
48 -- 1.17.0
criterion
Statistics-driven micro-benchmarking library
50 -- 0.8.2
prettyplease
A minimal `syn` syntax tree pretty-printer
52 -- 0.2.37
wasm-bindgen-macro-support
Implementation APIs for the `#[wasm_bindgen]` attribute
54 -- 0.2.114
spin_on
A simple, inefficient Future executor
35 -- 0.1.1
rustversion
Conditional compilation according to rustc compiler version
51 -- 1.0.22
bumpalo
A fast bump allocation arena for Rust.
59 -- 3.20.2
winapi
Raw FFI bindings for all of Windows API.
44 -- 0.3.9
spin
Spin-based synchronization primitives
51 -- 0.10.0
rstest_reuse
Reuse rstest attributes: create a set of tests and apply it to every scenario you want to test.
51 -- 0.7.0
futures-util
Common utilities and extension traits for the futures-rs library.
66 -- 0.3.32
lexopt
Minimalist pedantic command line parser
55 -- 0.3.2
strum
Helpful macros for working with enums and strings
61 -- 0.28.0
arbitrary
The trait for generating structured data from unstructured data
52 -- 1.4.2
cloudflare-zlib-sys
Cloudflare fork of zlib with performance improvements
53 -- 0.3.7
compiler_builtins
Compiler intrinsics used by the Rust compiler.
59 -- 0.1.160
miniz_oxide
DEFLATE compression and decompression library rewritten in Rust based on miniz
60 -- 0.9.0
rand_xorshift
Xorshift random number generator
58 -- 0.5.0
rayon-core
Core APIs for Rayon
51 -- 1.13.0
cmake
A build dependency for running `cmake` to build a native library
50 -- 0.1.57
thiserror-impl
Implementation detail of the `thiserror` crate
60 -- 2.0.18
either
The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.
49 -- 1.15.0
fst
Use finite state transducers to compactly represents sets or maps of many strings (> 1 billion is possible).
46 -- 0.4.7
phf_macros
Macros to generate types in the phf crate
54 -- 0.13.1
windows_x86_64_msvc
Import lib for Windows
62 -- 0.53.1
unicode-xid
Determine whether characters have the XID_Start or XID_Continue properties according to Unicode Standard Annex #31.
47 -- 0.2.6
rustc-std-workspace-core
crate for integration of crates.io crates into rust-lang/rust standard library workspace
59 -- 1.0.1
normalized-path
placeholder
43 -- 0.0.0
async-stream
Asynchronous streams using async & await notation
46 -- 0.3.6
aws
aws
42 -- 0.0.1
libz-sys
Low-level bindings to the system libz library (also known as zlib).
62 -- 1.1.24
object
A unified interface for reading and writing object file formats.
58 -- 0.38.1
ruzstd
A decoder for the zstd compression format
52 -- 0.8.2
winapi-x86_64-pc-windows-gnu
Import libraries for the x86_64-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.
43 -- 0.4.0
errno
Cross-platform interface to the `errno` variable.
48 -- 0.3.14
paste-test-suite
Test suite of the paste crate
44 -- 0.0.0
winapi-i686-pc-windows-gnu
Import libraries for the i686-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.
43 -- 0.4.0
no-panic
Attribute macro to require that the compiler prove a function can't ever panic.
60 -- 0.1.36
libc
Raw FFI bindings to platform libraries like libc.
65 -- 1.0.0-alpha.3
petgraph
Graph data structure library. Provides graph types and graph algorithms.
56 -- 0.8.3
anyhow
Flexible concrete Error type built on std::error::Error
62 -- 1.0.102
predicates-tree
Render boolean-valued predicate functions results as a tree.
59 -- 1.0.13
predicates
An implementation of boolean-valued predicate functions.
61 -- 3.1.4
fslock
A library to use files as locks
40 -- 0.2.1
serial_test_derive
Helper crate for serial_test
61 -- 3.4.0

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