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All 305,250 crates, alphabetically

Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.

uridLibrary for idiomatic URID support19,716MIT OR Apache-2.0 urid-deriveProcedural macros for urid22,042MIT OR Apache-2.0 urigena simple library for generating URIs from a builder.1,940MIT OR Apache-2.0 urim-lensUrim Lens - Stereoscopic depth-estimation pipeline17BUSL-1.1 uringPure Rust library for io_uring1,720MIT uring-cliuri shortener cli14MIT uring-coreuri shortener core definitions13MIT uring-fileAsync file I/O for Linux using io_uring4,716MIT OR Apache-2.0AsynchronousFilesystem uring-fsTruly asynchronous file operations using io-uring. Supports any async runtime. Linux only.8,182MITAsynchronousFilesystem uring-sysliburing bindings216,842MIT OR Apache-2.0 uring-sys2liburing bindings7,453MIT OR Apache-2.0 uringiouringio24MIT uringxliburing bindings2,505MIT uringyA simple single-threaded concurrency runtime for Rust based on io_uring.8,938MITAsynchronousConcurrency uringy-macrosProcedural macros for the uringy crate.4,590MIT uriparseA URI parser including relative references29,678,685MITParsing tools uriparserAn API wrapper for the uriparser library2,871Unlicense uriparser-sysbindings to the uriparser C library2,445Unlicense AND BSD-3-Clause uriproxyinternal upub crate to handle remote uris1,690MIT urisImplementation of IETF RFC 3986, Uniform Resource Identifier (URI)3,273non-standardParser implementationsWeb programming urisharkA simple, zero-copy URI implementation in Rust55UnlicenseParser implementations uritemplateRust implementation of RFC6570 - URI Template that can processURI Templates up and to including ones designated Level 4.38,887BSD-3-Clause uritemplate-nextRust implementation of RFC6570 - URI Template that can processURI Templates up and to including ones designated Level 4.21,168,937BSD-3-Clause urlURL library for Rust, based on the WHATWG URL Standard756,565,651MIT OR Apache-2.0EncodingNo standard library url-bot-rsMinimal IRC URL bot in Rust13,770ISC url-build-parseurl-build-parse provides the ability to parse URL from string as well as construct URL from parts.47,242MIT OR Apache-2.0 OR ISC OR LGPL-3.0-or-later OR CC-BY-4.0Network programmingParsing tools url-builderA simple URL Builder212,096MIT OR Apache-2.0 url-cleanerA CLI tool and library for URL manipulation with a focus on stripping tracking garbage.9,974AGPL-3.0-or-laterCommand line utilities url-cleaner-engineThe engine behind URL Cleaner.1,528AGPL-3.0-or-later url-cleaner-macrosMacros for URL Cleaner3,021AGPL-3.0-or-later url-cleaner-siteA basic HTTP server and userscript to make using URL Cleaner in a browser easier.2,289AGPL-3.0-or-laterWeb programming::HTTP server url-cleaner-site-typesTypes for URL Cleaner Site.518AGPL-3.0-or-later url-cliConvenient command line interface to urls2,512MIT OR Apache-2.0Command line utilitiesWeb programming url-cli-toolSimple program for basic url encoding and decoding4,159MIT OR Apache-2.0Command line utilities url-constructorSimple URL builder2,044MIT OR Apache-2.0 url-crawlURL crawler for HTML code.5,756Apache-2.0Parsing toolsWeb programming url-crawlerUse crusty instead10,938MITWeb programming url-decoderCLI tool to decode URL(s) back to readable form2,094MITCommand line utilities url-decomposeDecompose an url into parts2,820MIT url-domain-parseA Rust library for parsing URLs.248MITEncodingParser implementations url-escapeThis library is for encoding/escaping special characters in URLs and decoding/unescaping URLs as well.1,788,512MITEncoding url-forkFork of url crate with no_std support55,595MIT OR Apache-2.0EncodingParser implementations url-hashSimple types that provide secure and stable hash values for Urls.1,704non-standard url-liteno_std URL parser25,118MITNo standard libraryParser implementations url-macroA compile-time URL validation macro. Parses and checks URLs at compile-time, converting valid URLs into `url::Url` objects.…127,395Apache-2.0 OR MITDevelopment tools::Procedural macro helpersRust patterns url-matchURL match patterns library14,706MIT url-matcherGather fields from URLS using patterns2,650GPL-3.0 url-normalizeNormalize a URL — faithful Rust port of sindresorhus/normalize-url4,242MITWeb programming url-normalizerURL normalization34,038MIT url-parse🔗 A Rust library for parsing URLs.97,153MITEncodingParser implementations url-parse-nginxA faithful, 1-to-1 Rust port of nginx's URL path parser (ngx_http_parse_uri / ngx_http_parse_complex_uri) for origin-form paths.92BSD-2-ClauseParser implementationsWeb programming url-patternThis is a VERY INCOMPLETE implementation of the WhatWG URL Pattern standard…2,666MIT url-prefixA library for creating URL prefix strings.32,248MITNo standard libraryValue formatting url-previewHigh-performance URL preview generator for messaging and social media applications7,112MIT url-redirect`url-redirect` is a trivial, headless URL redirection service1,189BSD-2-Clause OR MITNetwork programmingWeb programming url-sanitizeNative CLI to remove tracking parameters and unwrap tracking redirects. ClearURLs ruleset baked in.138MITCommand line utilities url-sanitize-corePure-Rust library for removing tracking parameters and unwrapping tracking redirects.246MITCommand line utilitiesWeb programming url-scraperSimple HTML URL scraper7,864MITWeb programming url-search-paramsurl-search-params provides the ability to create search params from HashMap and vice versa.68,209MIT OR Apache-2.0 OR ISC OR LGPL-3.0-or-later OR CC-BY-4.0Network programmingParsing tools url-staticSimple macro for compile-time URL validation1,119MIT OR Apache-2.0Development toolsRust patterns url-status-checkercleans URLs from an input file and verifies their status codes. Cleaned URLs and their status codes are stored in an output file.1,469MIT url-tailSimilar to unix-tail utility, but uses Range requests over HTTP to fetch the data. Useful in scenarios where logs are…3,514MIT/Apache-2.0Command line utilities url-track-cleanerA simple library for cleaning track elements in urls7,575MIT url-utilsUrl Encode and Decode5,426GPL-3.0-only url2ergonomic wrapper around the popular url crate251,290MIT/Apache-2.0EncodingParser implementations url2audioA simple-to-use lib for playing audio streams7,995GPL-3.0Multimedia::Audio url2mdCLI tool that fetches a URL and converts its HTML content to Markdown32MITCommand line utilitiesWeb programming url2qrZero-dependency QR code generator optimized for URLs38BSD-3-ClauseCommand line utilitiesEncoding url_encoded_dataErgonomic, Versatile Url-Encoded-Data Manipulator71,788MIT url_encorA lightweight library to encode and decode special characters in urls11,202MIT url_fmtA lightweight Rust utility to format URLs by anonymizing credentials and decoding fragments. 一个轻量级的Rust工具,通过匿名化凭据和解码片段来格式化URL。1,937MulanPSL-2.0 url_handlerCollection of differnt URL handlers to perform CRUD operation2,478MIT url_jailSSRF-safe URL validation for Rust and Python658MIT OR Apache-2.0Network programmingWeb programming url_openOpen URLs in the default browser9,968MIT url_params_serializerAllows serialization of types to URL GET parameters14,133Apache-2.0 url_parserURL Parser is a Rust parser developed to parse URLs into structured components such as scheme, domain, path, query and fragment.1,793MIT url_parser_cliParse a URL, get one or all components pretty-printed or as JSON.1,546ISC url_parser_on_rusturl parser on rust1,499MIT OR Apache-2.0 url_pathcanonicalize, normalize urls71,049MIT url_pest_parserA URL parser using pest for Rust.970MIT url_query_stringA Rust procedural macro for generating methods to serialize structs into URL query strings. Provides seamless integration with…1,583MITDevelopment toolsDevelopment tools::Procedural macro helpers url_serdeSerde support for URL types3,433,289MIT/Apache-2.0 urlableA comprehensive URL manipulation library for Rust, providing utilities for parsing, encoding, and manipulating URLs with support…3,712MIT urlapLeptos Form Helpers730MIT OR Apache-2.0Web programming urlcata simple tool to help easily generate dynamic urls with proper encoding10,325GPL-3.0-or-later urlcheckerA simple url checker for finding fraud url(s) or nearest url3,913MIT urlcodeConvinience tool for managing urls from the command line2,703MPL-2.0 urldecodeURL decoding made easy70,090MIT urldecoderHigh performance URL batch decoder1,490MITCommand line utilitiesDevelopment tools urlencodeA CLI utility for URL-encoding or -decoding strings14,121MITCommand line utilitiesEncoding urlencodedDecoding middleware for url-encoded data. For use with Iron.472,923MIT urlencodingA Rust library for doing URL percentage encoding.227,421,064MITEncodingWeb programming urlendecA command-line url encoder/decoder1,475MITCommand line utilities urlexExtract URL from stdin and print them to stdout2,951MITCommand line utilities urlexpandExpand / Unshorten an exhaustive list of Shortened URL's24,026non-standardWeb programming urlharvestURL harvester for IRC irssi logs, no bot7,545MIT OR Apache-2.0 urlmaticSlice and dice URLs on the command line7,621BSD-3-Clause urlnormA URL normalization library for Rust18,643Apache-2.0 OR MIT urlocatorLocate URLs in character streams289,838MIT/Apache-2.0No standard libraryParsing tools urlparseThis is a URL parsing library like urllib.parse in Python3.x.3,339,233MIT urlparse-rsA Rust port of Python's urllib.parse: URL splitting/joining and percent-encoding (quote/unquote).1,009MITEncodingParser implementations urlpatternrust-urlpattern is a Rust implementation of the URLPattern standard21,305,515MIT urlprobeA tool for probing URLs for their status code7,822ISC urlqstringA URL query string for rust26,013non-standard urlquerystringA high-performance, zero-allocation URL query string parser.1,327MIT urlsURL library for Rust, based on the WHATWG URL Standard1,954MIT OR Apache-2.0EncodingParser implementations urls2diskHttp client to download urls to disk concurrently, optionally converting them to PDF3,549MITWeb programming::HTTP client urlsafeA tool to defang and re-arm malicious URLs1,749GPL-3.0 urlscanURLScan.io API3,891non-standardAPI bindings urlsealA library for generating and validating secure URL tokens4,078MIT OR Apache-2.0AuthenticationWeb programming urlshortenerA very simple url shortener client library79,275MIT urlshortener-cliA program which makes your url shorten.11,675MIT urlshortener-dbus-daemonA very simple url shortener dbus daemon1,894MIT urlshortener_converterEncoding and decoding of short url ids for url shortener applications6,783MIT urlsieveIntelligent URL deduplication tool for bug bounty workflows89MITCommand line utilitiesWeb programming urlspinnerwaybackurls port to rust1,315MIT urlsupCLI to validate URLs in files6,680MIT urltemplateLightweight URL templates. Master URLs with placeholders!27,675MITEncodingParser implementations urlx-cliurlx — a memory-safe command-line URL transfer tool, drop-in replacement for curl77MITCommand line utilitiesNetwork programming urm-simA parser and interpreter for Unlimited Register Machine (URM) programs4,150MITCommand line utilitiesDevelopment tools urm37Platform-agnostic no_std driver for the DFRobot URM37 V4.0 ultrasonic distance sensor (UART, PWM, Analog)115MIT OR Apache-2.0Embedded developmentHardware support urnA crate for handling URNs (Unique Resource Names)428,5520BSD OR MIT OR Apache-2.0EncodingParser implementations urn-rsParse, validate, and build URNs per RFC 8141810BSD OR MIT OR Apache-2.0EncodingParser implementations urngUniversal Random Number Generator690MIT uroborosRust ouroboros-style self-referential string windows for Knott utilities33MIT OR Apache-2.0Data structuresDevelopment tools urocyonPersonal single-instance API boilerplate library.24GPL-3.0-onlyWeb programming::HTTP server uromanA self-contained Rust reimplementation of the uroman universal romanizer.5,621Apache-2.0Command line utilitiesText processing urouterSmall HTTP router14,072MIT urpcuRPC (pronounced micro RPC) is a simple and lightweight RPC framework designed with embedded systems in mind.7,303BSD-3-ClauseEmbedded developmentNo standard library ursRust utility library3,532Unlicense urs_macrosurs utility library macros2,016Unlicense ursaThis is the shared crypto library for Hyperledger components.238,957Apache-2.0 urshortA blazingly fast and amazingly simple URL shortener designed for self-hosters.1,487MITWeb programming::HTTP server ursulaUrsula durable-stream server: thread-per-core, multi-Raft, HTTP front door.237Apache-2.0 ursula-benchBenchmark client for Durable Streams servers: drives multi-stream write, SSE fan-out, and catch-up replay workloads against…125Apache-2.0 ursula-configUrsula configuration types and TOML loading.230Apache-2.0 ursula-controlControl-plane state for Ursula dynamic node registration, group placement, and manual group migration.144Apache-2.0 ursula-ctlSafe operational CLI for Ursula clusters: drains raft leaderships before restart, waits for applied_index catch-up, and refuses…90Apache-2.0 ursula-gatewayUrsula Gateway: routes client HTTP traffic while hiding internal leader redirects.55Apache-2.0 ursula-indexRebuildable client-event-time index for Ursula JSON record streams.12Apache-2.0 ursula-observabilityShared tracing/OpenTelemetry initialization for Ursula binaries.236Apache-2.0 ursula-protoShared protobuf wire types for Ursula (stream commands, cold chunk refs, Raft RPC payloads).474Apache-2.0 ursula-raftOpenRaft integration for Ursula's per-group multi-Raft replication: network, log store, and snapshot transport.302Apache-2.0 ursula-runtimePer-core actor runtime for Ursula: hot ring, cold-tier flush, and the replaceable group-engine boundary.347Apache-2.0 ursula-shardShard placement primitives for Ursula's thread-per-core multi-Raft runtime.438Apache-2.0 ursula-simDeterministic simulation harnesses for Ursula.75Apache-2.0 ursula-streamDurable Streams state machine for Ursula: bucket and stream commands, events, and offset bookkeeping.391Apache-2.0 ursusNothing interesting541Apache-2.0 urtWill be published soon1,815BSD-3-Clause urukulSinara Urukul quad 1 GHz DDS driver2,097MIT OR Apache-2.0Embedded developmentNo standard library ururMulti-repo workspace manager - manage distributed Git repositories with a single config776MITCommand line utilitiesDevelopment tools urwebRust bindings to Ur/Web header file.3,521MIT urxExtracts URLs from OSINT Archives for Security Insights.5,858MIT usus32MIT us-excel-template-dataUS search demand for Excel & Google Sheets templates: 1,008 keywords with monthly volumes (2026), 16 categories, with a…12CC-BY-4.0Data structures us-paycheck-tax2025 US federal income tax (progressive brackets + standard deduction) and FICA take-home math.22MITFinanceMathematics us-property-tax-dataUS property tax data 2026: effective rates, median tax and home values for 51 states/DC and 3,132 counties (US Census ACS 2023 +…14CC-BY-4.0Data structures us-state-infoA Fork of a Rust implementation of the state names & abbreviations for the USA41,593Apache-2.0 us-state-info-rsA Rust implementation of the 2 letter state abbreviations for the USA2,910Apache-2.0 us-take-home-dataUS take-home pay (net salary after federal, state, FICA taxes) reference data for all 50 states + DC, tax year 2026, from…9MIT OR Apache-2.0Data structures us-tax-bracketsCompute U.S. federal income tax from IRS tax tables and computation worksheets239Apache-2.0Finance us_address_parserA Rust crate that parses U.S. street addresses.7,799MITData structuresParser implementations us_time_parserA Rust utility for parsing and validating time components using pest and clap crates.3,719MIT usaA Rust library providing typed enums and utilities for working with United States regions, including states, territories, and the…6,567MIT usaco-cliUnofficial USACO cli: Supports automatic solution testing and submission4,443GPL-3.0-or-laterCommand line utilities usaddressParse US Addresses into parts6,337Apache-2.0Command line utilities usageA convenient alternative to the newtype pattern.8,722MITData structuresRust patterns usage-cliCLI for working with usage-based CLIs168,013MIT usage-libLibrary for working with usage specs353,284MIT usage-monitor-cliCLI and Linux widgets payload generator for monitoring AI provider usage46MITCommand line utilities usage-trackerA simple usage tracker in rust.11,615MITCommand line utilities usage_example_rust_clapAn example of how to use clap_usage1,482MIT usagiCommon algorithms and utilities library for Rust4,829MITAlgorithms usaidwatAnswers the age-old question, "Where does a Redditor comment the most?"1,676Apache-2.0Command line utilities usask_cba_calccli tool to calculate usask's first year engineering cba grades19,121MIT usbCommon definitions of USB constants21,0880BSD usb-bpm-exporterUSB Blood Pressure Monitor data extraction library and CLI tool493MIT usb-compat-01-sysRust bindings for libusb-compat-0.114,106MIT usb-descriptor-decoderA no-std extensible USB Descriptor Decoder, support organize Descriptors as tree structure676MIT OR Apache-2.0Embedded developmentEncoding usb-deviceUSB stack for embedded devices.4,321,694MIT usb-dfu-targetportable implementation of USB DFU 1.11,482MIT usb-disk-probeProvides a stream type which can be used to probe for USB storage devices in the system.43,955MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs usb-forensicUSB device-history correlation engine — reconstructs USB connection history from every Windows artifact and scores cross-source…19Apache-2.0Command line utilitiesParser implementations usb-gadgetExpose standard or fully custom USB peripherals (gadgets) through a USB device controller (UDC) on Linux.56,534Apache-2.0Hardware supportOperating systems::Linux APIs usb-halUSB framework for microcontrollers in Rust2,942Apache-2.0 usb-hostTraits for USB host driver development.7,885LGPL-3.0-or-laterEmbedded developmentHardware support usb-idsRust wrappers for the USB ID Repository176,935MITHardware support usb-ifUSB Interface definitions for CrabUSB8,184Apache-2.0 usb-mcA simple Rust program that downloads and runs the old Minecraft launcher.1,211MITGames usb-pdUSB-PD `no_std` library with source and sink support.2,110MIT usb-resolverUSB Resolver & Device Monitor127MIT usb-reviseusb-device alternative1,474MIT usb-rfid-decoderA simple character decoder for USB RFID readers4,357MIT usb-serialReusable USB serial probing and chip protocol helpers310Apache-2.0Embedded developmentHardware support usb-timing-box-rsRust library for interfacing with a race result usb timing box via serial connection.25MITHardware support usb2USB 2.0 data types and packet parser3,311MIT OR Apache-2.0Embedded developmentNo standard library usb251xbno_std embedded-hal driver for Microchip USB251xB/xBi USB 2.0 hub controllers22MIT OR Apache-2.0Embedded developmentHardware support usb2642-i2cA Rust library for interfacing with the USB2642 I2C bus using the linux sg3 SCSI interface.3,710MITEmbedded developmentHardware support usb2snesA rust library for communicating with a usb2snes server.2,954MIT usb4604Hardware abstraction layer for USB4604 hub (GPIO control and I2C master)1,231MIT