crates.io パッケージ

1000 件 (表示中 100)

crates.io で公開されているパッケージと公式レジストリの値。週間ダウンロード数の多い順。

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npmPyPIcrates.io DL数順

#パッケージエコシステムバージョン 週間DL数ライセンス最終リリース
1 hashbrownA Rust port of Google's SwissTable hash map crates.io 0.17.1 39,258,175 2026-05-09
2 getrandomA small cross-platform library for retrieving random data from system source crates.io 0.4.3 33,165,017 2026-06-17
3 windows-sysRust for Windows crates.io 0.61.2 28,606,519 2025-10-06
4 synParser for Rust source code crates.io 2.0.118 28,270,189 2026-06-16
5 rand_coreCore random number generation traits and tools for implementation. crates.io 0.10.1 24,904,122 2026-04-13
6 randRandom number generators and other randomness functionality. crates.io 0.10.2 24,791,415 2026-07-02
7 bitflagsA macro to generate structures which behave like bitflags. crates.io 2.13.0 24,397,589 2026-06-05
8 thiserror-implImplementation detail of the thiserror crate crates.io 2.0.18 21,647,296 2026-01-18
9 thiserrorderive(Error) crates.io 2.0.18 21,634,868 2026-01-18
10 indexmapA hash table with consistent order and fast iteration. crates.io 2.14.0 21,601,868 2026-04-09
11 libcRaw FFI bindings to platform libraries like libc. crates.io 1.0.0-alpha.3 21,593,944 2026-04-23
12 quoteQuasi-quoting macro quote!(...) crates.io 1.0.46 20,684,056 2026-06-22
13 itertoolsExtra iterator adaptors, iterator methods, free functions, and macros. crates.io 0.15.0 20,499,483 2026-06-16
14 base64encodes and decodes base64 as bytes or utf8 crates.io 0.22.1 19,995,754 2024-04-30
15 proc-macro2A substitute implementation of the compiler's procmacro API to decouple token-based libraries from the procedural macro… crates.io 1.0.106 19,821,846 2026-01-21
16 unicode-identDetermine whether characters have the XIDStart or XIDContinue properties according to Unicode Standard Annex 31 crates.io 1.0.24 19,317,803 2026-02-16
17 rand_chachaChaCha random number generator crates.io 0.10.0 19,306,602 2026-02-02
18 memchrProvides extremely fast (uses SIMD on x8664, aarch64 and wasm32) routines for 1, 2 or 3 byte search and single… crates.io 2.8.2 19,282,309 2026-06-12
19 cfg-ifA macro to ergonomically define an item depending on a large number of [cfg] parameters. Structured like an if-else… crates.io 1.0.4 18,508,410 2025-10-15
20 itoaFast integer primitive to string conversion crates.io 1.0.18 18,286,986 2026-03-20
21 socket2Utilities for handling networking sockets with a maximal amount of configuration possible intended. crates.io 0.6.4 18,266,674 2026-05-28
22 regex-syntaxA regular expression parser. crates.io 0.8.11 17,940,313 2026-06-09
23 heckheck is a case conversion library. crates.io 0.5.0 17,771,174 2024-03-12
24 windows_x86_64_msvcImport lib for Windows crates.io 0.53.1 17,294,792 2025-10-06
25 serdeA generic serialization/deserialization framework crates.io 1.0.228 17,243,197 2025-09-27
26 windows-targetsImport libs for Windows crates.io 0.53.5 17,050,313 2025-10-06
27 once_cellSingle assignment cells and lazy values. crates.io 1.21.4 17,021,095 2026-03-12
28 serde_jsonA JSON serialization file format crates.io 1.0.150 16,885,936 2026-05-21
29 windows_x86_64_gnuImport lib for Windows crates.io 0.53.1 16,871,496 2025-10-06
30 windows_aarch64_msvcImport lib for Windows crates.io 0.53.1 16,815,301 2025-10-06
31 windows_i686_msvcImport lib for Windows crates.io 0.53.1 16,781,141 2025-10-06
32 windows_i686_gnuImport lib for Windows crates.io 0.53.1 16,763,197 2025-10-06
33 rustixSafe Rust bindings to POSIX/Unix/Linux/Winsock-like syscalls crates.io 1.1.4 16,757,499 2026-02-22
34 serde_deriveMacros 1.1 implementation of [derive(Serialize, Deserialize)] crates.io 1.0.228 16,757,003 2025-09-27
35 ccA build-time dependency for Cargo build scripts to assist in invoking the native C compiler to compile native C code… crates.io 1.2.65 16,723,416 2026-06-19
36 windows_aarch64_gnullvmImport lib for Windows crates.io 0.53.1 16,427,992 2025-10-06
37 windows_x86_64_gnullvmImport lib for Windows crates.io 0.53.1 16,427,853 2025-10-06
38 regex-automataAutomata construction and matching using regular expressions. crates.io 0.4.14 16,315,952 2026-02-03
39 linux-raw-sysGenerated bindings for Linux's userspace API crates.io 0.12.1 16,306,728 2025-12-23
40 autocfgAutomatic cfg for Rust compiler features crates.io 1.5.1 16,295,972 2026-05-22
41 logA lightweight logging facade for Rust crates.io 0.4.33 15,893,001 2026-06-20
42 digestTraits for cryptographic hash functions and message authentication codes crates.io 0.11.3 15,778,888 2026-05-03
43 smallvec'Small vector' optimization: store up to a small number of items on the stack crates.io 2.0.0-alpha.12 15,550,301 2026-06-11
44 cpufeaturesLightweight runtime CPU feature detection for aarch64, loongarch64, and x86/x8664 targets, with nostd support and… crates.io 0.3.0 15,531,577 2026-02-05
45 block-bufferBuffer types for block processing of data crates.io 0.12.1 15,432,396 2026-06-11
46 zerocopyZerocopy makes zero-cost memory manipulation effortless. We write "unsafe" so you don't have to. crates.io 0.9.0-alpha.0 14,988,688 2026-06-09
47 pin-project-liteA lightweight version of pin-project written with declarative macros. crates.io 0.2.17 14,841,918 2026-02-27
48 mioLightweight non-blocking I/O. crates.io 1.2.1 14,819,839 2026-05-28
49 clapA simple to use, efficient, and full-featured Command Line Argument Parser crates.io 4.6.1 14,805,616 2026-04-15
50 winnowA byte-oriented, zero-copy, parser combinators library crates.io 1.0.3 14,744,647 2026-05-14
51 regexAn implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time… crates.io 1.12.4 14,735,115 2026-06-09
52 aho-corasickFast multiple substring searching. crates.io 1.1.4 14,696,655 2025-10-28
53 httpA set of types for representing HTTP requests and responses. crates.io 1.4.2 14,669,372 2026-06-08
54 crypto-commonCommon traits used by cryptographic algorithms crates.io 0.2.2 14,655,105 2026-05-19
55 parking_lot_coreAn advanced API for creating custom synchronization primitives. crates.io 0.9.12 14,506,667 2025-10-03
56 sha2Pure Rust implementation of the SHA-2 hash function family including SHA-224, SHA-256, SHA-384, and SHA-512. crates.io 0.11.0 14,339,735 2026-03-25
57 bytesTypes and traits for working with bytes crates.io 1.12.0 14,239,175 2026-06-18
58 parking_lotMore compact and efficient implementations of the standard synchronization primitives. crates.io 0.12.5 14,230,082 2025-10-03
59 ryuFast floating point to string conversion crates.io 1.0.23 14,006,348 2026-02-08
60 tokioAn event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications. crates.io 1.52.3 13,990,967 2026-05-08
61 version_checkTiny crate to check the version of the installed/running rustc. crates.io 0.9.5 13,872,005 2024-07-25
62 strsimImplementations of string similarity metrics. Includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro… crates.io 0.11.1 13,846,061 2024-04-02
63 semverParser and evaluator for Cargo's flavor of Semantic Versioning crates.io 1.0.28 13,579,345 2026-04-04
64 lock_apiWrappers to create fully-featured Mutex and RwLock types. Compatible with nostd. crates.io 0.4.14 13,437,326 2025-10-03
65 serde_coreSerde traits only, with no support for derive -- use the serde crate instead crates.io 1.0.228 13,427,016 2025-09-27
66 futures-coreThe core traits and types in for the futures library. crates.io 0.3.32 13,412,780 2026-02-15
67 slabPre-allocated storage for a uniform data type crates.io 0.4.12 13,392,551 2026-01-31
68 shlexSplit a string into shell words, like Python's shlex. crates.io 2.0.1 13,327,210 2026-05-17
69 toml_datetimeA TOML-compatible datetime type crates.io 1.1.1+spec-1.1.0 13,325,950 2026-03-31
70 futures-utilCommon utilities and extension traits for the futures-rs library. crates.io 0.3.32 13,282,862 2026-02-15
71 futures-taskTools for working with tasks. crates.io 0.3.32 13,280,652 2026-02-15
72 eitherThe enum Either with variants Left and Right is a general purpose sum type with two cases. crates.io 1.16.0 13,276,964 2026-05-20
73 typenumTypenum is a Rust library for type-level numbers evaluated at compile time. It currently supports bits, unsigned… crates.io 1.20.1 13,249,692 2026-05-29
74 clap_lexMinimal, flexible command line parser crates.io 1.1.0 13,171,552 2026-03-12
75 equivalentTraits for key comparison in maps. crates.io 1.0.2 13,064,873 2025-02-14
76 rustlsRustls is a modern TLS library written in Rust. crates.io 0.24.0-dev.0 13,058,968 2026-06-22
77 scopeguardA RAII scope guard that will run a given closure when it goes out of scope, even if the code between panics (assuming… crates.io 1.2.0 12,861,639 2023-07-17
78 anyhowFlexible concrete Error type built on std::error::Error crates.io 1.0.103 12,804,697 2026-06-25
79 errnoCross-platform interface to the errno variable. crates.io 0.3.14 12,735,801 2025-09-09
80 foldhashA fast, non-cryptographic, minimally DoS-resistant hashing algorithm. crates.io 0.2.0 12,680,007 2025-08-23
81 futures-sinkThe asynchronous Sink trait for the futures-rs library. crates.io 0.3.32 12,677,928 2026-02-15
82 hyperA protective and efficient HTTP library for all. crates.io 1.10.1 12,634,585 2026-05-29
83 generic-arrayGeneric types implementing functionality of arrays crates.io 1.4.3 12,631,169 2026-05-30
84 futures-channelChannels for asynchronous communication using futures-rs. crates.io 0.3.32 12,623,849 2026-02-15
85 tomlA native Rust encoder and decoder of TOML-formatted files and streams. Provides implementations of the standard… crates.io 1.1.2+spec-1.1.0 12,582,506 2026-04-01
86 num-traitsNumeric traits for generic mathematics crates.io 0.2.19 12,551,286 2024-05-03
87 rustc-hashA speedy, non-cryptographic hashing algorithm used by rustc crates.io 2.1.3 12,550,372 2026-07-02
88 fastrandA simple and fast random number generator crates.io 2.4.1 12,445,329 2026-04-07
89 rustls-webpkiWeb PKI X.509 Certificate Verification. crates.io 0.104.0-alpha.7 12,366,299 2026-04-21
90 idnaIDNA (Internationalizing Domain Names in Applications) and Punycode. crates.io 1.1.0 12,358,080 2025-08-21
91 percent-encodingPercent encoding and decoding crates.io 2.3.2 12,259,462 2025-08-21
92 http-bodyTrait representing an asynchronous, streaming, HTTP request or response body. crates.io 1.0.1 12,123,132 2024-07-12
93 futures-ioThe AsyncRead, AsyncWrite, AsyncSeek, and AsyncBufRead traits for the futures-rs library. crates.io 0.3.32 12,096,707 2026-02-15
94 anstyleANSI text styling crates.io 1.0.14 12,085,282 2026-03-13
95 tokio-macrosTokio's proc macros. crates.io 2.7.0 12,062,111 2026-04-03
96 lazy_staticA macro for declaring lazily evaluated statics in Rust. crates.io 1.5.0 12,053,096 2024-06-21
97 tracing-coreCore primitives for application-level tracing. crates.io 0.1.36 12,041,871 2025-12-18
98 urlURL library for Rust, based on the WHATWG URL Standard crates.io 2.5.8 11,999,810 2026-01-05
99 tracingApplication-level tracing for Rust. crates.io 0.1.44 11,966,467 2025-12-18
100 clap_builderA simple to use, efficient, and full-featured Command Line Argument Parser crates.io 4.6.0 11,931,364 2026-03-12