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.

kodik-utilsRust utilities library for Kodik252AGPL-3.0API bindings kodoA CLI tool for analyzing Git commit statistics with TUI visualization127MITCommand line utilitiesDevelopment tools kodumaro-clockYet another X11 clock.6,382BSD-3-Clause kodumaro-http-cliKodumaro HTTP CLI inspired by HTTPie8,761BSD-3-ClauseCommand-line interface kodumaro-nonogramA simple random nonogram game.26,692BSD-3-ClauseGames kodumaro-trimCommand line tool to trim strings.3,609BSD-3-ClauseCommand-line interface kodumaro-uuid-cliCommand line tool to generate UUID.11,257BSD-3-ClauseCommand-line interface kodzuvA reactive WASI UI framework. Work in progress.23Zlib koek-classifyAllows for classification of values and class-specific treatment (including redaction on display).1,509MIT koek-redactAllows for redaction of values when outputting them to places where sensitive data is not permitted.3,121MIT koelner-phonetikkoelner_phonetik or cologne phonetics is a phonetic algorithm like soundex, but specialized for german words.1,824MITText processing koenig-damico-plannerFaithful Rust re-implementation of the Koenig-D'Amico fuel-optimal impulsive control algorithm (IEEE TAC 2020)193MIT OR Apache-2.0AerospaceMathematics koerierA self-hosted lightning address server for LND98MIT kofftHigh-performance, no_std, MCU-friendly FFT, DCT, DST, Hartley, Wavelet, STFT, and more. Stack-only, SIMD, and batch transforms…2,216MIT OR Apache-2.0AlgorithmsEmbedded development kofinaNothing to say anymore.1,740MIT/Apache-2.0 kofrA Modern and configurable CLI for managing kafka connect clusters2,743MITCommand line utilities kohkoh — a resilient peer-to-peer remote shell: mosh, rewritten in Rust over iroh227GPL-3.0-or-laterCommand line utilitiesNetwork programming kohagiLocal sentence embeddings for Ruri v3 and other ModernBERT models: JSONL in, vectors out. Pure Rust, bounded memory.28MITCommand line utilitiesText processing kohakuA simple tokenizer1,294MIT kohaku-coreShared types, traits, and errors for the community Kohaku Rust SDK48MITCryptographyWeb programming kohaku-stealthERC-5564 stealth address primitives for Kohaku-compatible wallets38MITCryptographyWeb programming koharuManga translation tools1,704GPL-3.0 koharu-bindgenBindgen-based generator for dynamically loaded native-library bindings.45MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI koharu-coreManga translation tools975Apache-2.0 koharu-diffusionSafe Rust bindings for stable-diffusion.cpp with runtime dynamic loading.33MIT OR Apache-2.0API bindingsMultimedia::Images koharu-diffusion-sysLow-level dynamically loaded FFI bindings for stable-diffusion.cpp.35MIT OR Apache-2.0External FFI bindingsScience koharu-llamaSafe Rust bindings for llama.cpp with runtime dynamic loading.32MIT OR Apache-2.0API bindingsScience koharu-llama-sysLow-level dynamically loaded FFI bindings for llama.cpp.34MIT OR Apache-2.0External FFI bindingsScience koharu-modelsManga translation tools737Apache-2.0 koharu-rendererManga translation tools730Apache-2.0 koharu-runtimeRuntime package discovery, downloading, and dynamic library loading for Koharu.753Apache-2.0Development toolsScience koharu-torchRust bindings for LibTorch with a dynamically loaded C++ shim.32MIT OR Apache-2.0API bindingsScience koharu-torch-sysLow-level FFI bindings for the LibTorch C++ API.33MIT OR Apache-2.0External FFI bindingsScience kohoA deep learning model for spectral diffusion over k-cells in arbitrary cell complexes, built on `candle`889AGPL-3.0 kohoriA Rust-based schema model for database migrations with RLS support662MIT koiCore rust constructs of the koi programming language50Apache-2.0 koi-certmeshZero-config private CA, certificate enrollment, and mesh trust for the local network806Apache-2.0 OR MITCryptographyNetwork programming koi-cliA CLI tool to interact with the ChatGPT API and allow it to run commands on your machine to help you out.1,144MITCommand line utilities koi-clientHTTP client for the Koi daemon612Apache-2.0 OR MITAPI bindingsNetwork programming koi-commonShared types, traits, and utilities for Koi's local connectivity substrate1,717Apache-2.0 OR MITNetwork programming koi-composeComposition layer for Koi: the single source for constructing cores, wiring cross-domain bridges, the runtime orchestrator,…236Apache-2.0 OR MITNetwork programming koi-configConfiguration, breadcrumb discovery, and state persistence for Koi1,055Apache-2.0 OR MITConfiguration koi-core*DEPRECATED* Core library for Koi + plugins4,490MIT koi-cryptoKey management, TOTP, signing, and encryption primitives for local network trust919Apache-2.0 OR MITAuthenticationCryptography koi-dashboardPresentation layer for Koi: dashboard + mDNS network browser (HTML, SSE, snapshot)304Apache-2.0 OR MITNetwork programmingWeb programming koi-dnsLocal DNS resolver with mDNS, certmesh, and static record integration731Apache-2.0 OR MITNetwork programming koi-embeddedEmbed local network discovery, DNS, health, and TLS directly in your Rust application237Apache-2.0 OR MITNetwork programming koi-gckoi programming language garbage collector46Apache-2.0 koi-healthMachine and service health monitoring for the local network763Apache-2.0 OR MITNetwork programming koi-lang🐟 High-level programming language 🐟 Cross-platform 🐟 Blazing performance 🐟 Static linking 🐟4,057MIT koi-lexerLex Koi source code.8,975MIT koi-macroskoi programming language rust integration macros47Apache-2.0 koi-mcpModel Context Protocol (MCP) server over stdio — exposes Koi's LAN substrate to AI agents201Apache-2.0 OR MITNetwork programming koi-mdnsmDNS/DNS-SD service discovery and registration for the local network861Apache-2.0 OR MITNetwork programming koi-netLocal connectivity for containers, applications, and devices: find, trust, and connect207Apache-2.0 OR MITCommand line utilitiesNetwork programming koi-parserkoi programming language parser45Apache-2.0 koi-proxyTLS-terminating reverse proxy with automatic certificate management712Apache-2.0 OR MITNetwork programmingWeb programming koi-runtimeRuntime adapter for container/service lifecycle integration355Apache-2.0 OR MIT koi-serveServing layer for Koi: the transport adapters (HTTP router, IPC/stdio NDJSON, in-process MCP, mTLS, ACME, Prometheus SD,…164Apache-2.0 OR MITNetwork programming koi-serviceCross-platform service discovery and registration engine for the local network21Apache-2.0 OR MIT koi-truststorePlatform trust store integration for installing and removing local CA certificates634Apache-2.0 OR MITCryptographyOperating systems koi-udpUDP datagram bridging over HTTP/SSE for containerized workloads318Apache-2.0 OR MITNetwork programming koibumiAn experimental Bitmessage client14,296AGPL-3.0-or-laterEmailNetwork programming koibumi-base32A Base32 encoder/decoder library19,990GPL-3.0-or-laterEncoding koibumi-base58A Base58 encoder/decoder library9,501GPL-3.0-or-laterEncoding koibumi-boxAn inbox/outbox module for Koibumi, an experimental Bitmessage client9,848GPL-3.0-or-laterEmail koibumi-box-syncAn inbox/outbox module for Koibumi (sync version), an experimental Bitmessage client4,508GPL-3.0-or-laterEmail koibumi-commonCommon code among GUI and daemon versions for Koibumi, an experimental Bitmessage client9,554AGPL-3.0-or-laterEmail koibumi-common-syncCommon code among GUI and daemon versions for Koibumi (sync version), an experimental Bitmessage client4,262AGPL-3.0-or-laterEmail koibumi-coreThe core library for Koibumi, an experimental Bitmessage client17,575AGPL-3.0-or-laterEmailNetwork programming koibumi-daemonAn experimental Bitmessage client daemon13,039AGPL-3.0-or-laterEmailNetwork programming koibumi-daemon-syncAn experimental Bitmessage client daemon (sync version)2,738AGPL-3.0-or-laterEmailNetwork programming koibumi-netTypes for networking including domain name and SOCKS address8,406GPL-3.0-or-laterNetwork programming koibumi-nodeA Bitmessage node implementation as a library for Koibumi, an experimental Bitmessage client15,508AGPL-3.0-or-laterEmailNetwork programming koibumi-node-syncA Bitmessage node implementation as a library for Koibumi (sync version), an experimental Bitmessage client4,797AGPL-3.0-or-laterEmailNetwork programming koibumi-secp256k1Rust wrapper library for Pieter Wuille's `libsecp256k1`. Implements ECDSA and BIP 340 signatures for the SECG elliptic curve…4,125CC0-1.0 koibumi-socksA minimal SOCKS5 client library11,909GPL-3.0-or-laterAsynchronousNetwork programming koibumi-socks-coreA core module of a minimal SOCKS5 client library3,082GPL-3.0-or-laterNetwork programming koibumi-socks-syncA minimal SOCKS5 client library (sync version)5,091GPL-3.0-or-laterNetwork programming koibumi-syncAn experimental Bitmessage client (sync version)2,820AGPL-3.0-or-laterEmailNetwork programming koibumi-unifont_jpGNU Unifont Glyphs - Japanese Version4,897GPL-2.0-or-later WITH Font-exception-2.0GraphicsGUI koicorecore KoiLang module1,091MIT koicore_ffiFFI bindings for koicore297MIT koifeedAn RSS/Atom CLI in Rust focused on composability.1,664MITCommand line utilities koifishKoifish9,622Apache-2.0 koinkoin.cx tools1,700Apache-2.0 koiosA CLI tool to interact with the ChatGPT API and allow it to run commands on your machine to help you out.2,678MITCommand line utilities koios-sdkA Rust SDK for the Koios Cardano API1,567Apache-2.0 koishiCross-Platform Chatbot Framework Made with Love1,363MIT koishi-pwPassword manager build around SOPS1,243MIT koitA simple, asynchronous, pure-Rust, structured, embedded database5,965MITAsynchronousDatabase implementations koit-tomlA simple, asynchronous, pure-Rust, structured, embedded database14,393MITAsynchronousDatabase implementations koiweb-frameworkA micro web framework for Rust, inspired by Express.js. Just for trying or study, not for production.36MITWeb programming kojacoord-plugin-systemDynamic plugin loading, lifecycle and host API for the Kojacoord Minecraft proxy.18MITAPI bindingsGame development kojacoord-protocolMinecraft protocol types, packet (de)serialization and version registry for the Kojacoord proxy.18MITEncodingGame development kojampSome kind of basic 'n academic Java/Kotlin project-manager tool 📦4,387Apache-2.0Command line utilities kojiAn interactive CLI for creating conventional commits.13,921MIT koji-diffKoji build log differ — compare buildroot and build logs between two Koji builds477Apache-2.0 OR MIT koji-lagQuantify Koji build queue lag and per-arch build-time drag12Apache-2.0 OR MIT kojinAsync distributed task queue for Rust — like Celery, BullMQ, Sidekiq, but for Rust102MIT OR Apache-2.0AsynchronousConcurrency kojin-amqpRabbitMQ (AMQP) broker for the kojin task queue104MIT OR Apache-2.0AsynchronousConcurrency kojin-coreCore traits, types, and worker runtime for the kojin task queue423MIT OR Apache-2.0AsynchronousConcurrency kojin-dashboardJSON API dashboard for monitoring the kojin task queue104MIT OR Apache-2.0AsynchronousConcurrency kojin-macrosProc-macro support for the kojin task queue (#[kojin::task])165MIT OR Apache-2.0AsynchronousConcurrency kojin-postgresPostgreSQL result backend for the kojin task queue126MIT OR Apache-2.0AsynchronousConcurrency kojin-redisRedis broker backend for the kojin task queue168MIT OR Apache-2.0AsynchronousConcurrency kojin-sqsAWS SQS broker for the kojin task queue80MIT OR Apache-2.0AsynchronousConcurrency kokaiCreate changelog for your releases and full changelog for your projects using Conventional Commits.6,599MITCommand line utilities kokiriTest revisions of crates against other revisions of crates1,019MIT/Apache-2.0 kokoA tool to simplify self-hosting services.2,716AGPL-3.0-or-later koko-matrix-rainMinimal Matrix-style rain CLI for the terminal87MITCommand line utilities kokoroDynamic publish-subscribe pattern framework. Support for dynamic plug-ins and AOP7,710Apache-2.0/MIT kokoro-cliA native Rust CLI for Kokoro TTS using XDG standards and agent-first design163MIT OR Apache-2.0 kokoro-enA lightweight, offline Rust inference library for Kokoro TTS - an 82M-parameter open-weights text-to-speech model.1,705Apache-2.0 kokoro-microMinimal TTS crate using Kokoro - perfect for embedding in other apps739Apache-2.0MultimediaMultimedia::Audio kokoro-ortNative onnxruntime (ort) engine for the Kokoro text-to-speech model — the host backend for a future pipecrab TTS model crate.26MIT kokoro-tinyMinimal TTS crate using Kokoro - perfect for embedding in other apps1,392Apache-2.0Command line utilitiesMultimedia kokoro-tts用于Rust的轻量级AI离线语音合成器(Kokoro TTS),可轻松交叉编译到移动端27,574Apache-2.0 kokoro-webBrowser (onnxruntime-web / WASM, Web Worker) engine for the Kokoro text-to-speech model — the wasm backend for a future pipecrab…21MIT kokoroxLightning fast text-to-speech with the Kokoro model in rust231Apache-2.0 kokoroxideA Rust implementation of Kokoro TTS (Text-to-Speech) synthesis1,660MIT OR Apache-2.0AccessibilityMultimedia::Audio kokuA cron daemon and manager — 刻271MIT kokuaYet Another Embulk written in Rust1,241MIT kokua-commandsYet Another Embulk written in Rust1,849MIT kolaFast and lightweight language server for Kotlin1,425GPL-3.0CompilersDevelopment tools kolakoskiKolakoski sequence iterator6,800MIT kolakoski_algorithmsEfficient algorithms for the Kolakoski sequence906MIT OR Apache-2.0Mathematics kolbenA collection of COBS5,164MIT OR Apache-2.0Embedded developmentMemory management kolboldA Rust library for memory and time metrics collection.9,946Apache-2.0 kolbold_coreA Rust library for memory and time metrics collection.3,285Apache-2.0 kolbold_macrosA Rust library for memory and time metrics collection.1,875Apache-2.0 kolibri-embedded-guiembedded-graphics based GUI framework made to be as lightweight as its namesake2,611MIT OR Apache-2.0 kolibrios-syscallsRunning KolibriOS sysfuncs/syscalls from Rust2,089MIT kollectCollections made ergonomic for gamedev usecases119,456MIT OR Apache-2.0 kolmogorov_smirnovImplementation of the Kolmogorov-Smirnov statistical test as a Rust library.66,635Apache-2.0 kolorColor conversions for games & interactive applications.19,528MIT OR Apache-2.0Computer visionGraphics kolor-64Color conversions for games & interactive applications.19,718MIT OR Apache-2.0Computer visionGraphics kolorwheelColor palette generator for GUI applications3,277non-standard kolorzA silly little library for printing kolored text to the terminal15,796MIT komacA manifest creator for winget-pkgs452,092GPL-3.0-or-laterCommand line utilitiesDevelopment tools komadoriMulti-reduction library. Provides a composable, declarative way to consume an iterator369MIT OR Apache-2.0AlgorithmsNo standard library komadori-rayonMulti-reduction library. Provides a composable, declarative way to reduce in parallel in rayon's style35MIT OR Apache-2.0AlgorithmsConcurrency komandoA command line utility to better organize and keep track of your commands.1,891MIT komando_executableA command line utility to better organize and keep track of your commands.832MIT kombruchaFast, parallel package manager compatible with Homebrew formulae2,734MIT OR Apache-2.0Command line utilities kombuchaA minimal and malleable programming language for symbiotic end-user programming414MIT OR Apache-2.0 kombuseKombuse — coming soon.22MIT kometkomet is a mailer framework3,965MITEmail komgaKomga REST API Client generated from OpenAPI specification1,934MIT komga-sdkAsync Rust SDK for the Komga REST API, generated from OpenAPI spec. Supports all endpoints, file upload, and strong typing.297MIT komi-hashKomi hash6,082ISC komichiApplication tools for working with file-system paths9,046MIT OR Apache-2.0Development toolsFilesystem komihashA Rust implemenation of komihash10,593MIT komitoA fast, reliable semantic commit message validator and version bumper with gitmoji support23LGPL-3.0 komito-combineInternal helper crate for komito configuration merging98LGPL-3.0 komito-deriveInternal proc-macros for komito98LGPL-3.0 komitoto-sstvSSTV (Slow-Scan Television) encoding and decoding library for HAM radio74MITEncodingMultimedia::Audio komittoAI-powered Conventional Commit Message Generator for Git1,578MITCommand line utilitiesDevelopment tools komitto-combineInternal helper crate for komitto configuration merging22LGPL-3.0 komitto-deriveInternal proc-macros for komitto23LGPL-3.0 kommandCommand-line arguments via function arguments17,284Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITCommand-line interfaceCommand line utilities kommanderSend keyboard and mouse actions to live Kit desktop sessions18Apache-2.0Command line utilities kommandozeileCollection of gimmicks to use when writing a CLI application3,248MIT OR Apache-2.0Command-line interfaceDevelopment tools kommandozeilen_argumenteParser für Kommandozeilen-Argumente mit optionaler, automatischer Hilfe-Generierung.7,881MIT kommandozeilen_argumente_derivederive-Macros für das kommandozeilen_argumente crate.6,054MIT komment-parser-rsExtract dependencies list from comment and create Cargo.toml1,216GPL-3.0-onlyParser implementationsParsing tools kommittedMeasure Kafka Consumer Offset Lag and Time Lag8,610MIT OR Apache-2.0Command line utilitiesDevelopment tools kommons_macrosa set of macros with utils1,102GPL-3.0-only komodoKomodo: cryptographically-proven erasure coding for distributed systems2,091MIT komodo_airdropAn airdrop manager for Komodo and its assetchains3,237MIT komodo_cliCommand line tool to execute Komodo actions9,722GPL-3.0-or-later komodo_clientClient for the Komodo build and deployment system33,420GPL-3.0-or-later komodo_rpc_clientA Komodo RPC Client, written in Rust.7,084MIT komoju-datadogOpinionated Datadog instrumentation toolkit3,274MIT komootgpxGet GPX files from Komoot2,786MITCommand line utilities komora-syncSynchronization structures for the komora db project1,924MIT OR Apache-2.0AlgorithmsCaching komorebiThe few streaks of light hitting the grass through the branches of a leafy tree.1,668MIT OR Apache-2.0 komorebi-rsCurrently a placeholder. Do not download or use.860Apache-2.0 OR MIT komorebi-switcherkomorebi-switcher774MIT komorebi-utilA library for interacting with Komorebi.1,220MIT kompKomp generates local docker compose file with your selected services to get you up and running in seconds2,433MITCommand line utilities kompactKompact is a Rust implementation of the Kompics component model combined with the Actor model.25,923MITAsynchronousConcurrency kompact-actor-deriveA derive macro for Kompact Actors.26,692MITAsynchronousConcurrency kompact-component-deriveA derive macro for Kompact component definitions.26,576MITAsynchronousConcurrency kompact-netSocket-based networking backend for Kompact.25MIT kompassDomain constructs and quantities built on quantique.380MIT OR Apache-2.0 komple-fee-contractKomple fee contract for marketplace fee configuration and distribution2,348Apache-2.0 komple-framework-attribute-permissionContract used for making attribute level comparisons and checks in Komple Framework.6,383Apache-2.0 komple-framework-fee-moduleContract used for general fee configuration and distribution in Komple Framework.8,158Apache-2.0 komple-framework-hub-moduleContract used for module registry and address resolution in Komple Framework.6,144Apache-2.0 komple-framework-link-permissionContract used for checking the linked collections of a collection in Komple Framework.6,275Apache-2.0 komple-framework-marketplace-moduleContract used for the second hand sale of tokens in Komple Framework.6,303Apache-2.0 komple-framework-merge-moduleContract used for merging multiple tokens and minting a new one in Komple Framework.6,380Apache-2.0 komple-framework-metadata-moduleContract used for keeping metadata information of a collection in Komple Framework.9,272Apache-2.0 komple-framework-mint-moduleContract used for collection management and token minting in Komple Framework.6,942Apache-2.0 komple-framework-ownership-permissionContract used to check the ownership of an user for a token in Komple Framework.6,228Apache-2.0 komple-framework-permission-moduleContract used for permission registry and execute/query message execution in front of module operations in Komple Framework.7,544Apache-2.0 komple-framework-token-moduleContract used for collection configuration and token management in Komple Framework.8,063Apache-2.0 komple-framework-typesPackage used for type definitions in Komple Framework.13,778Apache-2.0 komple-framework-utilsPackage used for utility methods in Komple Framework.13,227Apache-2.0