Source: doc.rust-lang.org (std library reference) · crates.io database dump, 2026-07-25 (crates directory)Contact
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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.

itercountera test program for iterator1,784MIT/Apache-2.0 iterdirMini Rust Library for Filesystem Iteration1,867Unlicense/MIT iterextPadding and separation extensions to iterators56,495MIT iterextdThis trait provides additional methods for working with iterators, enhancing their functionality.10,411MITAlgorithmsData structures iteritorHelpers for more advanced use of iterator combinators and other more functional control flows, including things that may not…1,609Apache-2.0 iterlistLinked list with a cursor based api14,1460BSD iterlowerFinal-sigma-correct lowercasing iterator adapter with option for Turkish/Azeri I behavior3,362MIT/Apache-2.0Internationalization (i18n)Text processing itermTerminal workspace (screen, tmux, zellij)7,482MITAccessibilityAPI bindings iterm2A library for using iTerm2 escape codes6,524MIT iterm2-clientRust client for the iTerm2 scripting API (WebSocket + Protobuf)561GPL-2.0-onlyAPI bindingsOperating systems::macOS APIs iterm2imgRust library for iTerm2 Inline Images Protocol2,334MITGraphics iterm2minttyTool that converts iterm2 themes to minttyrc themes6,463MIT itermacrosSome useful macros related to iterators.1,520MIT itermapIterator tools for maps (`HashMap`, `BTreeMap`, etc.)63,282Apache-2.0Data structuresRust patterns itermapsImplement commonly used combinations of `Iterator::map`18,440MITNo standard libraryNo standard library::No dynamic allocation itermore🤸‍♀️ More iterator adaptors2,010,798MIT OR Apache-2.0AlgorithmsRust patterns itern`enum` types for choosing between N different `Iterator` types in a single type.1,664MIT OR Apache-2.0 iterpipesCompositional, pipes-style stream processing.11,140MIT OR Apache-2.0 iterrCombinators for dealing with iterators of `Result`s.1,991MIT/Apache-2.0Rust patterns iterslideA "sliding window" iterator.29,858MIT/Apache-2.0 iterstatsStatistics for rust iterators.11,832GPL-3.0-onlyAlgorithmsMathematics iterstreamConverts Iterator into real asynchronous Stream4,652non-standard itertoolsExtra iterator adaptors, iterator methods, free functions, and macros.1,295,966,075MIT OR Apache-2.0AlgorithmsNo standard library itertools-numNumerical iterator tools. Extra iterators and iterator methods and functions.1,968,962MIT/Apache-2.0Science itertools-wildExtra wild iterator adaptors, wild iterator methods, wild free functions, and wild macros.3,661MIT/Apache-2.0AlgorithmsRust patterns itertreeHobby project to experiment with tree traversal using iterators1,668non-standard iterumA utility macro for supporting multiple versions of a struct.634MIT OR Apache-2.0 iterum_macrosProcedural macros for iterum.835MIT OR Apache-2.0 iterutilsProvide easy way to iterate through multiple iterators in ordered/selective way2,206Apache-2.0 iterwareSimple middleware for iterators1,859MIT iterwindowsAn iterator adapter to iterate over all contiguous windows of length N1,987,445MIT OR Apache-2.0AlgorithmsRust patterns iterxRust library that provides several functions on the Iterator trait not found in std::iter or Itertools.11,794MIT itexInitialize a LaTex project inside a folder instantly11,953GPL-3.0 itex2mmlConvert LaTeX-formatted source (for example `$a+b$`) into MathML (bindings to…6,729GPL-3.0/MPL-2.0/LGPL-3.0 itextSafe rust bindings to the iText 9 PDF generation library written in Java6,077MIT OR Apache-2.0API bindingsExternal FFI bindings itfLibrary for consuming Apalache ITF traces92,698Apache-2.0 ithmb-cliCLI tool for inspecting, decoding, and re-encoding .ithmb thumbnail cache files27MITMultimedia::ImagesMultimedia::Video ithmb-corePure Rust decoder and encoder for Apple iThmb thumbnail cache files — supports 8 pixel formats, PhotoDB containers, and 54 device…181MITMultimedia::Images ithosModern directory services and credential management2,637MIT itiA small mogwai WASM UI component library with a retro Mac OS 9 Platinum aesthetic.9non-standard itihasItihas — structured world history: civilizations, eras, events, historical figures, and calendar metadata296GPL-3.0-onlyScienceSimulation itineraryCLI for managing Claude Code tasks51Apache-2.0Command line utilitiesDevelopment tools itk-rsA Rust translation of ITK (Insight Segmentation and Registration Toolkit), the C++ medical image processing library.24Apache-2.0 itl-rsLibrary for reading and writing iTunes Library.itl files58MITMultimediaParser implementations itlaITLA (micro laser) non-blocking control library using embedded-hal4,219LGPL-3.0-or-laterAsynchronousEmbedded development itmA decoding library for the ARM Cortex-M ITM/DWT packet protocol146,683MIT OR Apache-2.0 itm-decodeA library for decoding ARM Cortex-m ITM and DWT packets39,942MIT OR Apache-2.0 itm-parserA command-line tool to parse and format ITM (Instrumentation Trace Macrocell) output for embedded systems development using…3,079MITDevelopment toolsEmbedded development itm_loggerAn implementation of the log facade that sends logging information over ITM stim port 021,674MIT OR Apache-2.0Development tools::Debugging itml-parserParser / Formatter / Linter for ITML v0.1 — the Intention Markup Language137MITDevelopment toolsParser implementations itmsinkITM protocol parser.7,506MIT OR Apache-2.0Command line utilitiesDevelopment tools ito-backendBackend state API for Ito — RESTful HTTP API for reading project state813MIT ito-canvasA library for creating text base drawing4,300MIT ito-cliCommand-line interface for Ito827MIT ito-commonCommon utilities and error types for Ito1,714MIT ito-configConfiguration management for Ito1,531MIT ito-coreCore functionality and business logic for Ito1,419MIT ito-domainDomain models and repositories for Ito1,546MIT ito-loggingLogging and telemetry for Ito1,180MIT ito-templatesTemplate management and installation for Ito1,536MIT ito-webWeb server and UI for Ito1,168MIT itoaFast integer primitive to string conversion1,138,676,266MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation itoa-benchmarkThis benchmark evaluates the performance of Rust libraries for rendering fixed-precision integer primitives to ASCII base-10…25MIT itoa-constFast integer primitive to string conversion5,047MIT OR Apache-2.0No standard libraryValue formatting itoaaaPrint integers to target buffer in decimal format, fast.1,175MITNo standard libraryNo standard library::No dynamic allocation itoapEven faster functions for printing integers with decimal format9,210,306MITValue formatting itoolsiTools - A powerful toolkit for Rust developers39Apache-2.0 itools-cliiTools command line interface module21MIT itools-configConfiguration management for iTools90Apache-2.0 itools-coreCore functionality for iTools, including error handling and utilities36Apache-2.0 itools-guiiTools GUI module35Apache-2.0 itools-localizationInternationalization support for iTools244Apache-2.0 itools-macrosProc macros for iTools, including command and error generation195Apache-2.0 itools-notify自研的文件系统变更通知库,不依赖外部 C 库91Apache-2.0 itools-schemaITools Schema definition and construction54MIT itools-tuiiTools TUI module108Apache-2.0 itools-walkerAsynchronous directory walker for iTools36Apache-2.0 itorrentI2P-only Bittorrent client21MIT itrMacros for iterate struct1,266non-standard itraceStructured, columnar tracing for Rust applications33BSD-3-Clause itransformerA Rust library for the iTransformer models.1,718MIT itreeAn interactively navigable version of the Linux utility `tree`5,451MIT itronInterface to operating systems based on μITRON and its derivatives.12,971MIT OR Apache-2.0Embedded developmentExternal FFI bindings itrsProvides command-line access to several useful Rust iterator and string methods5,130BSD-3-ClauseCommand line utilities itsInteractive Terminal's Selector - A fast, CLI-oriented user selection tool. (Work In Progress)15GPL-3.0 its-clientbinary to connect on an ITS MQTT server18,392MIT its-wasmtimeA simple Wasmtime component model runtime2,571MIT OR Apache-2.0 its_okA macro for replacing ? with unwrap.1,612MIT its_ok_to_be_block_onA minimal implementation of block_on, to execute futures in a syncronous context.1,541MIT OR Apache-2.0 itsaliveProject manipulation tool for Ordinary8,027AGPL-3.0-only itscoho_minigrepA test minigrep crate.2,839MIT OR Apache-2.0 itsdangerousRust port of the popular itsdangerous python library for signing strings and sending them over untrusted channels.3,972,515MIT itsdnsLight weight DNS client based on embedded-nal-async1,569MIT OR Apache-2.0Embedded developmentNo standard library itsjustchessA simple chess game: it's just chess.3,412GPL-3.0 itslitStumble upon a lightning talk in a browser near you.1,672Apache-2.0Command line utilities itsukimacro that defines a simple zero-based sequential enum11,916MITRust patterns itsuki_bedrock_assistantAn AI assistant powered by AWS Bedrock.1,024non-standardCommand line utilities itsunRFC-011: The Energy Telemetry Layer. Digital photosynthesis, 128-bit carbon resonance, and metabolic power monitoring for the…197Apache-2.0 itsyStrongly typed scripting language with a rusty syntax and nice Rust integration.5,600MIT itsy-gitsyStatic site generator for git repositories1,558GPL-3.0-or-laterCommand line utilitiesDevelopment tools itsybitsy_m0Board Support crate for the Adafruit ItsyBitsy M023,258MIT OR Apache-2.0Embedded developmentHardware support itsybitsy_m4Board Support crate for the Adafruit ItsyBitsy M4 Express17,672MIT OR Apache-2.0Embedded developmentHardware support ittapiHigh-level Rust bindings for ittapi12,759,203GPL-2.0-only OR BSD-3-ClauseDevelopment tools ittapi-rsDeprecated: use ittapi or ittapi-sys instead344,564GPL-2.0-only OR BSD-3-Clause ittapi-sysRust bindings for ittapi12,753,697GPL-2.0-only OR BSD-3-ClauseDevelopment toolsExternal FFI bindings ittechImpulse Tracker file parser and writer4,192GPL-3.0-or-later ittokun_guessing_gameA fun game where you guess what number the computer has chosen.1,511MIT OR Apache-2.0 ittv_sdkA library for interacting with the ITTV API6,670MIT ittybittyAn itty bitty bitset to hold your itty bitty bits.2,542MIT OR Apache-2.0CachingData structures ittyrA Linux client for reading news from the Internet Teletype sevrice2,966non-standard itu-isupISUP (ISDN User Part) message + parameter codec per ITU-T Q.763, a direct MTP3-user (SI=5), pure Rust33MITEncodingNetwork programming itu-rsRust implementation of selected ITU-R P-series atmospheric propagation models381MITScience ituiA library to build rich terminal user interfaces or dashboards2,712MIT itunes-comBindings over iTunes COM API8,059MITAPI bindingsDatabase interfaces itunes-rslibrary to allow communicating with iTunes on windows1,551MIT ituneslibrary-sysLow level Rust bindings for iTunesLibrary, generated with rust-bindgen.1,701GPL-3.0External FFI bindingsOperating systems::macOS APIs itybityAn itty bitty crate providing bit iterators and bit iterator accessories.203,252MIT OR Apache-2.0Data structuresEncoding itying-add-libA library for adding numbers879MIT itylos-cliSovereign ephemeral messaging CLI with local AES-256-GCM encryption and burn-on-read semantics.83MITCommand line utilitiesCryptography iuiSimple, small, easy to distribute GUI bindings.29,585MITGUIOperating systems::macOS APIs iuliiaTransliterate Cyrillic to Latin in every possible way4,210MITInternationalization (i18n)Text processing iuliia-rsTransliterate Cyrillic → Latin in every possible way https://dangry.ru/iuliia/52MIT iuliia-rustTransliterate Cyrillic → Latin in every possible way https://dangry.ru/iuliia/3,841MIT iunormMap normalized floating-point numbers to/from (un)signed integers10,973MIT OR Apache-2.0Data structuresEncoding iup-sysRaw IUP bindings for Rust13,215MIT iupitermagRust crate for modeling Jupiter's internal and current sheet magnetic fields.55MITScience ivAn imageboard viewer3,158non-standard ivan-markhaichuk-parserMy simple parser for rust course in NaUKMA1,052MIT iveriver1,254MulanPSL-2.0 ivfSimple ivf muxer324,812BSD-2-Clause ivgtkiverilog and gtkwave chaining tool.1,738MIT ivmThe cross-platform Inko version manager14,383MPL-2.0Command line utilities ivm-compileThe official compiler framework for ivm.2,234non-standard ivm-vmThe virtual machine for ivm bytecode.1,573non-standard ivms101A library to handle Intervasp Messaging Standard Payloads1,575AGPL-3.0-onlyFinance ivoThe rust implementation of the ivo schema valitator64non-standardData structuresDevelopment tools ivo-deriveProc-macro crate for #[derive(IvoStruct)] — part of ivo63non-standardData structuresDevelopment tools ivo-validatorsOptional built-in validators for ivo59non-standardData structuresDevelopment tools ivoriesA package for parsing and rolling dice1,821MITParser implementationsSimulation ivornA web-based chat interface for ACP-compatible AI coding agents253AGPL-3.0-or-laterCommand line utilitiesWeb programming ivorn-coreShared types for Ivorn SSE event payloads273AGPL-3.0-or-later ivory...1,874MIT ivory_busBus library for project Ivory7,929MIT ivory_constantsCrate that contains the contstants for Project Ivory.3,304MIT ivory_kinematicsKinematics library for Project Ivory16,967MIT ivoryvalleyA transparent deduplication proxy for Mastodon and the Fediverse83MITCommand line utilitiesNetwork programming ivos-test-crateA personal crate for testing the process of publishing to crates.io1,008MIT OR Apache-2.0 ivpA Rust library for solving initial value problems (IVPs) for ordinary differential equations (ODEs).1,407Apache-2.0AlgorithmsMathematics ivtAn interval tree implementation using inclusive ranges1,877MIT ivxvCommon data types and cryptographic primitives used by IVXV75Apache-2.0 ivyEmbedded graph-vector database for Rust21MIT ivy-baseBase crate for the Ivy game engine8,910non-standard ivy-collision3D collision crate for Ivy4,863non-standard ivy-graphicsProvides high level graphics abstractions like Meshes, Materials, etc. Builds on top of ivy-vulkan6,104non-standard ivy-imagestb image loading library for ivy7,065non-standard ivy-inputInput handling crate for Ivy6,643non-standard ivy-physicsProvides physics for the Ivy framework2,934non-standard ivy-postprocessingpost processing helpers for ivy3,610non-standard ivy-presetsContains common presets for quickly setting up an application2,923non-standard ivy-randomProvides random utility functions to the ivy framework9,493non-standard ivy-rendergraphEasy to use declarative rendergraph for vulkan and Ivy4,873non-standard ivy-resourcesHandle based resource management and shared state9,393non-standard ivy-templatesProvides2,845non-standard ivy-uiGUI library for Ivy3,641non-standard ivy-vulkanLow level vulkan abstractions for the Ivy game engine.7,812non-standard ivy-windowGLFW window wrapper7,399non-standard ivy_coreAn on-growing project that provides common utilities to boost your daily productivity.1,719MIT ivyhallFrontend and connective logic for my Hornvale project.2,735Unlicense ivynet-cliCLI for Ivynet client1,238AGPL-3.0 ivynet-coreCore library for Ivynet client functionality1,319AGPL-3.0 ivyrustRust bindings for Ivy messaging bus4,650GPL-3.0API bindingsParsing tools iwA safe, low level and easy to use abstraction for wireless interfaces2,158MPL-2.0API bindings iwang_minigrepdemo1,557MIT iwasin_guessing_gameFirst try2,816MIT iwatchrCross-platform CLI file watcher that re-runs a command on every file change38MIT iwconf-winA colorful, iwconfig-style WLAN CLI for Windows, backed by the native WLAN API (no netsh required).12MIT OR Apache-2.0Command line utilitiesOperating systems::Windows APIs iwcoreIntelliWallet Core - Password manager library with authenticated encryption750MITCryptographyDatabase interfaces iwdrsRust crate for iwd79,071MIT iweIWE CLI utility25,322Apache-2.0 iwebUse web_sys like call link1,688non-standard iwecIWE MCP server1,060Apache-2.0 iwesIWE LSP server24,352Apache-2.0 iwfA hello world application1,011MIT iwgenpassGenerates random password(s). Default is 16 chars of capital, lowercase letters and digits.963MITCommand line utilities iwlibSafe bindings to libiw library9,596MIT iwlib_sysBindings to iwlib for which can be used to manipulate wireless extension for Linux10,483MIT iwlsShows available Wi-Fi access points and suggests the best channel to use5,503MIT iword-cliCLI keyword scanner — iword-rs command-line tool71MITCommand line utilitiesText processing iword-rsHigh-speed keyword search — Rust implementation of iWord397MITAlgorithmsText processing iwpI Want Plot -- draws a plot reading data points from stdin4,550MIT OR Apache-2.0 iwrl64xx-pacA Peripheral Access Crate for the ti iwrl64xx radar devkit1,813MIT iwsMulti-repo workspace manager — git worktree orchestration for multi-repo projects38MITCommand line utilitiesDevelopment tools iwtI Wish To.... transform piped data using OpenAI GPT API LLM1,677MITCommand line utilities ixix3,467MIT ix-appIxchel wiring layer for apps (backend selection + orchestration)193MITDevelopment tools ix-cliIxchel CLI27MITCommand line utilitiesDevelopment tools ix-configHierarchical configuration loading for Ixchel480MITConfiguration ix-coreIxchel core library: registries, validation, sync orchestration, and context building339MITDevelopment tools ix-daemonGlobal per-user daemon for Ixchel IPC, sync queueing, and single-writer enforcement30MITCommand line utilities ix-embeddingsShared embedding infrastructure for Ixchel with pluggable providers339MITDevelopment toolsText processing