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.

matrix-sliceSafe abstractions for two-dimensional slices.100MIT OR Apache-2.0Data structuresNo standard library matrix-tuiMatrix in the terminal.22MIT OR Apache-2.0Command line utilities matrix-ui-serializableOpinionated abstraction of the matrix-sdk crate with serializable structs582Apache-2.0 matrix-voiceMatrix Voice1,829MIT matrix256Rust reference implementation of matrix256v1 — a SHA-256 fingerprint over the (path, size) records of a rooted filesystem tree.54Apache-2.0CryptographyFilesystem matrix42A linear algebra library developed as a project in the 42 ecosystem.1,492MIT matrix65Matrix Mode Serial Communicator for MEGA656,548MIT OR Apache-2.0Command line utilities matrix_2dA matrix implementation that mimics what the canvas matrix functions do on html5 canvas.1,959MIT matrix_algebraA crate supporting matrix algebra1,627MIT matrix_bot_apiAPI for writing a bot for the Matrix messaging protocol14,484MIT matrix_displayA library to display a matrix in command line with pretty unicode separators34,800MIT matrix_enginea small game engine developed by drmatrix6,019MIT matrix_handlerUma biblioteca leve e eficiente para manipulação, operações matemáticas e transformação de matrizes em Rust. Focada em…56MITData structuresMathematics matrix_indexed_db_futuresA fork of `indexed_db_futures` — Future bindings for IndexedDB via `web_sys`342,440MITAsynchronousDatabase interfaces matrix_indexed_db_futures_macros_internalFork of `indexed_db_futures_macro_internal` — Internal macros for the `indexed_db_futures` crate342,897MIT matrix_kitAn abstract linear algebra library for Rust32,799GPL-3.0-or-later matrix_matchMacro to match on two values at the same time3,032MIT OR Apache-2.0No standard libraryRust patterns matrix_merchantA simple parsing library for the matrix market (.mtx) file format36MIT matrix_mul_testtesting blas as a feature9,729MIT OR Apache-2.0 matrix_multA simple matrix library for doing multiplication and generating random 2-dimensional vectors1,124MIT matrix_operationsA library to perform matrix operations8,746MITAlgorithmsMathematics matrix_operations_cudaA library to perform matrix operations using cuda3,946MITAlgorithmsConcurrency matrix_portal_m4Board Support crate for the Matrix Portal M43,283MIT OR Apache-2.0Embedded developmentHardware support matrix_rhalThe Rust implementation of MATRIX HAL.9,522GPL-3.0 matrix_uriA crate for parsing Matrix URIs according to both matrix.to and MSC23123,072AGPL-3.0-onlyEncodingParser implementations matrixaExtremely optimized linear algebra - BLIS-style GEMM with AVX2/FMA SIMD19MIT matrixableTraits and structs extending capabilities of matrix-like structures.12,966MIT OR Apache-2.0Data structuresMathematics matrixbot-ezloginI wrote the login and E2EE bootstrap code for Matrix bots so you don’t have to.9,371MITAuthenticationNetwork programming matrixcodeMatrixCode - AI Code Agent CLI643MIT matrixcode-cliMatrixCode CLI - AI Code Agent36MIT matrixcode-coreMatrixCode Agent Core - Pure logic, no UI1,158MIT matrixcode-tuiMatrixCode TUI - Terminal UI library for AI Code Agent855MIT matrixcompareTools for convenient comparison of matrices1,465,356MIT matrixcompare-coreCore traits for matrixcompare1,527,842MIT matrixcompare-mockInternal mock data structures for testing of matrixcompare6,644MIT matrixesImplementation of matrices up to and slightly beyond a highschool level. See README for details.14,423MITData structuresMathematics matrixfallThe matrixfall effect in the terminal37MITCommand line utilities matrixgraphA graph implementation based on dense adjacency matrices3,196MIT/Apache-2.0 matrixiseTurn anything into The Matrix12,534GPL-2.0+Command-line interfaceCommand line utilities matrixlabA matrix library that supports both sparse and dense matrices.8,805GPL-3.0-or-later matrixlibA really bad toy matrix library just so i can practice some rust. Don't use this. Use Nalgebra.4,024GPL-2.0-or-later matrixmailBridge between IMAP email and Matrix chat rooms with LLM-powered responses84MIT matrixmultiplyGeneral matrix multiplication for f32 and f64 matrices. Operates on matrices with general layout (they can use arbitrary row and…121,660,063MIT/Apache-2.0Science matrixmultiply_mtMultithreaded Fork of bluss's matrixmultiply crate. General matrix multiplication of f32 and f64 matrices in Rust. Supports…17,542MIT/Apache-2.0 matrixnumMakes it easier to work with Matrix2,114GPL-3.0 matrixpackedPacked structured matrices with BLAS and LAPACK integration15MIT OR Apache-2.0MathematicsScience matrixstackA simple pushdown matrix stack using cgmath matrices10,271MIT matrizZero allocation Rust linear algebra library2,809MITMathematicsNo standard library matroidA complete Matrix Algebra library written in rust.1,527MIT OR Apache-2.0AlgorithmsData structures matroskaLibrary for parsing Matroska (MKV) file metadata.257,290MIT/Apache-2.0 matroska-demuxerA demuxer that can demux Matroska and WebM container files.105,445Zlib OR MIT OR Apache-2.0Multimedia matroskin_device_error_deriveProc macros for whatsminer error code generation16MIT OR Apache-2.0 matrsA package for creating statically sized and typed matrices and vectors4,307MIT matrustA simple and small generic matrix lib10,940MIT matruxNeural network implementation in rust1,676GPL-3.0-or-later matrwMAT-file serializing and deserializing2,447MIT OR Apache-2.0Parser implementations matrynot defined2,723BSD-3-Clause matryoshkaProvides a unified API for both file system access and access to ZIP archives.1,714MITFilesystem matryoshka-apiRust-first code intelligence, search, and read context for coding agents18MIT matryoshka-cliRust-first code intelligence, search, and read context for coding agents70MIT matryoshka-core-irRust-first code intelligence, search, and read context for coding agents304MIT matryoshka-embed-clientRust-first code intelligence, search, and read context for coding agents175MIT matryoshka-enricherRust-first code intelligence, search, and read context for coding agents163MIT matryoshka-indexerRust-first code intelligence, search, and read context for coding agents131MIT matryoshka-parserRust-first code intelligence, search, and read context for coding agents203MIT matryoshka-read-apiRust-first code intelligence, search, and read context for coding agents141MIT matryoshka-resolverRust-first code intelligence, search, and read context for coding agents157MIT matryoshka-searchRust-first code intelligence, search, and read context for coding agents141MIT matryoshka-store-sqliteRust-first code intelligence, search, and read context for coding agents225MIT matryoshka-watcherRust-first code intelligence, search, and read context for coding agents113MIT matsA lightweight, efficient, and easy-to-use Rust matrix library.7,312MIT OR Apache-2.0MathematicsScience matschik-hello-worldhello world4,220MIT matszpk-sokobanSokoban game2,907LGPL-2.1-or-laterGames mattMy resume. Please contact me if you have a legitimate use for this crate name.1,795MIT matt_hello_world_libhello_world_lib2,632MIT mattakA collection of tools to support semantic hypermedia in Axum1,063non-standardWeb programmingWeb programming::HTTP server mattak_derivesderives for supporting mattak867non-standardWeb programmingWeb programming::HTTP server mattbusel-mem-graphKnowledge graph primitives: entities, relationships, typed properties, BFS/DFS traversal22MITAlgorithmsData structures matteMinimalist and allocation free GUI Layout9,092MITNo standard library mattenA family-car multidimensional array (tensor) library for small numerical trials / PoCs.2,389Apache-2.0Data structuresMathematics matten-dataCSV/table-to-Tensor preparation companion for matten (small PoC datasets).1,159Apache-2.0Data structuresScience matten-mlprepSmall, transparent, deterministic preprocessing helpers for matten::Tensor (no ML framework).1,271Apache-2.0MathematicsScience matten-ndarrayConversion bridge between matten::Tensor and ndarray::ArrayD<f64>.1,268Apache-2.0MathematicsScience matterUniversal frontmatter parser.185,777BSD-3-Clause matter-bdxMatter Bulk Data Exchange (BDX) protocol: message codecs + receiver-driven sender.55Apache-2.0Embedded developmentNetwork programming matter-bleMatter BLE commissioning transport: BTP (Bluetooth Transport Protocol) sans-IO engine and BLE central role32Apache-2.0Embedded developmentNetwork programming matter-certMatter protocol certificate parsing and chain validation.66Apache-2.0CryptographyParser implementations matter-cliCommand line interface to Matter.1,912BSD-3-Clause matter-clustersMatter protocol cluster definitions (generated from the spec).62Apache-2.0API bindingsEmbedded development matter-codecMatter protocol TLV (Tag-Length-Value) encoder and decoder.78Apache-2.0Embedded developmentEncoding matter-commissioningMatter commissioning state machine: setup payload, attestation, NOC issuance, network commissioning.73Apache-2.0Embedded developmentNetwork programming matter-controllerHigh-level Matter controller API: commission, read, write, invoke, subscribe.65Apache-2.0API bindingsNetwork programming matter-cryptoMatter protocol session establishment: PASE (SPAKE2+) and CASE (SIGMA).65Apache-2.0Cryptography matter-interactionMatter Interaction Model message framing: invoke, read, and write request/response encoding.84Apache-2.0Embedded developmentNetwork programming matter-js-rsA Rust port of Matter.js, the 2D rigid body physics engine60MIT OR Apache-2.0Game developmentSimulation matter-otaMatter OTA Software Update Provider: OtaProvider (0x0029) command handlers.73Apache-2.0Embedded developmentNetwork programming matter-rsNative Rust implementation of the Matter (Smart-Home) ecosystem125Apache-2.0Embedded developmentNetwork programming matter-rs-macrosNative Rust implementation of the Matter (Smart-Home) ecosystem24Apache-2.0Embedded developmentNetwork programming matter-transportMatter protocol network transport: UDP, mDNS, framing, MRP.61Apache-2.0Network programming matter_setup_codeParse and generate Matter onboarding payloads, including QR codes and manual setup codes.24,854MIT OR Apache-2.0Embedded developmentEncoding matterdbPersistent storage implementation based on RocksDB.5,950Apache-2.0Data structuresDatabase interfaces matterdb-deriveProcedural macros for matterdb.14,186Apache-2.0Development tools matterhornA lenient front matter parsing crate that supports files prefixed with YAML, JSON, and TOML front matter.4,546MIT mattermost-api-rust-driverMattermost Client API driver2,892MIT mattermost-botCreate a Mattermost bot that listens and responds to commands1,766MITAPI bindings mattermost-clientAn attempt to provde a sane Rust interface to the Mattermost API4,943MIT mattermost-rsRust SDK for Mattermost API — REST client, WebSocket client, and bot framework46MIT OR Apache-2.0API bindingsWeb programming::HTTP client mattermost-rust-clientRust client for Mattermost11,728MIT mattermost_apiRust bindings for the Mattermost API11,951MIT OR Apache-2.0API bindings matterofA library and CLI tool for manipulating YAML front matter in markdown files44MIT OR Apache-2.0Command line utilitiesParsing tools matthewdownMy markdown-inspired markup language.2,824MITParsing toolsWeb programming mattockGeneric blockchain node for the Soil framework.21GPL-3.0-or-later WITH Classpath-exception-2.0 mattrUtility for transposing multi-dimensional data10,768MIT OR Apache-2.0AlgorithmsData structures mattraxMattrax MDM Server1,524non-standard mattraxdAgent installed on Mattrax managed devices to extend MDM functionality1,515non-standard mattressA command line tool for working with Linux extended attributes (xattrs)4,024GPL-3.0 mattroA macro attribute parser12,972MIT mattrsDon't sleep on Bitcoin smart contracts1,329Apache-2.0 mattyA neat matrix and vector library1,036MIT matugenA material you and base16 color generation tool with templates88,581GPL-2.0-or-laterCommand line utilities matugen-parserThe templating engine for Matugen18GPL-2.0-or-later maturinBuild and publish crates with pyo3, cffi and uniffi bindings as well as rust binaries as python packages1,029,657MIT OR Apache-2.0API bindingsCommand line utilities maturity-cliStandalone CLI for generating maturity reports.66Apache-2.0Command line utilitiesDevelopment tools maturity-coreCore types and shared abstractions for the maturity ecosystem.136Apache-2.0Development tools maturity-macroProcedural macros for code maturity annotations.151Apache-2.0Development tools maturity-reportProject scanning, metrics collection, and report generation library.116Apache-2.0Development tools matuxGeneric unwrap/expect for Rust pattern matching1,779Apache-2.0 matxA lightweight, rusty matrix library that allows for simple and fast matrix operations.2,781MIT matyifkbt-guessing-gameSimple guessing game1,198MIT mauA Rust procedural macro library for memoization with MauQueue optimization4,431MIT OR Apache-2.0Development toolsRust patterns maudCompile-time HTML templates.5,520,190MIT OR Apache-2.0Template engine maud-extensionsComponent, inline CSS/JS, and font helper macros for Maud views.551MIT OR Apache-2.0Template engineWeb programming maud-extensions-macrosProc-macro implementation for maud-extensions.187MIT OR Apache-2.0 maud-extensions-runtimeRuntime slot helpers for maud-extensions.88MIT OR Apache-2.0 maud-iconoirAuto-generated constants for using Iconoir icons in maud.691MIT maud-live-viewCompile-time HTML templates.7,189MIT/Apache-2.0Template engine maud-live-view-macrosCompile-time HTML templates.7,831MIT/Apache-2.0 maud-pulldown-cmarkAn adapter between maud and pulldown-cmark35,116MIT/Apache-2.0 maud-ui64 headless, accessible UI components for Rust web apps — shadcn Base UI API parity. Plus block templates, a live theme…183MITGUITemplate engine maud_htmlescapeInternal support code used by Maud.189,886MIT/Apache-2.0 maud_lintsLint plugin for the Maud template engine.5,376MIT/Apache-2.0 maud_macrosInternal crate. Please use 'maud' instead.5,526,174MIT OR Apache-2.0 maudfmtAn opinionated yet customizable Maud formatter.2,335MIT maudioAll-in-one audio crate for Rust.731MITMultimediaMultimedia::Audio maudio-sysRaw miniaudio bindings for the maudio crate835MITMultimediaMultimedia::Audio mauditLibrary for generating static websites.5,212MIT maudit-cliCLI to operate on maudit projects.6,804MIT maudit-macrosProcedural macros for the maudit crate3,224MIT maudit_rolldownFork of Rolldown for the Maudit project until Rolldown is published on crates.io1,066MIT maudit_rolldown_commonThis crate is mostly for sharing code between rolldwon crates. fork of Rolldown for the Maudit project until Rolldown is…2,258MIT maudit_rolldown_ecmascriptFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,410MIT maudit_rolldown_ecmascript_utilsFork of Rolldown for the Maudit project until Rolldown is published on crates.io1,236MIT maudit_rolldown_error_forkmaudit_rolldown_error_fork2,598MIT maudit_rolldown_fsFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,429MIT maudit_rolldown_loader_utilsFork of Rolldown for the Maudit project until Rolldown is published on crates.io1,223MIT maudit_rolldown_pluginFork of Rolldown for the Maudit project until Rolldown is published on crates.io1,413MIT maudit_rolldown_plugin_data_urlFork of Rolldown for the Maudit project until Rolldown is published on crates.io1,211MIT maudit_rolldown_resolvermaudit_rolldown_resolver1,661MIT maudit_rolldown_rstrFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,411MIT maudit_rolldown_sourcemapFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,415MIT maudit_rolldown_std_utilsFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,773MIT maudit_rolldown_tracingmaudit_rolldown_tracing, fork of Rolldown for the Maudit project until Rolldown is published on crates.io1,219MIT maudit_rolldown_utilsFork of Rolldown for the Maudit project until Rolldown is published on crates.io2,608MIT maunucmRussian Counter Strike nickname generator1,532MITCommand line utilitiesLocalization (L10n) mauriceMaurice, a Thomson MO5 emulator6,180MITEmulators mausamBeautiful weather in your terminal111MITCommand line utilities mauth-clientSign requests and validate responses using the Medidata MAuth protocol9,905MITAuthenticationWeb programming mauth-coreGenerate and verify Medidata MAuth protocol signatures4,612MITAuthentication mauziExperimental i18n library using proc-macros3,826MIT/Apache-2.0 mauzi_macrosHelper crate for 'mauzi'. Use 'mauzi' directly please.4,736MIT/Apache-2.0 mav-sdkSimple API (gRPC) for managing one or more vehicles, providing programmatic access to vehicle information and telemetry, and…1,799MIT OR Apache-2.0API bindingsScience::Robotics mavdacMAVIS Differential Astrometric Calibrator3,408MIT maveMave System2,809MIT mavecConverts an object-like json into a String vector.3,756MIT OR Apache-2.0 mavenThis repo contains a simple utility to switch between different Github accounts.1,542MIT maven-rsA collection of Maven-related utilities.1,346Apache-2.0 maven-searchA library for searching in Maven Central and formatting to Maven/Gradle/Gradle.kts/Sbt/Ivy/Lein377Apache-2.0Command line utilitiesDevelopment tools maven-search-libA library for searching in Maven Central and formatting to Maven/Gradle/Gradle.kts/Sbt/Ivy/Lein8,050Apache-2.0 maven-toolboxA collection of Maven-related utilities.6,023Apache-2.0 maven-version-rangeLibrary for Maven Version Range Standard.50MIT maven-version-rsMaven 2/3 Artifact Version Parsers.2,376MIT maven_search_cmdlineA library for searching in Maven Central and formatting to Maven/Gradle/Gradle.kts/Sbt/Ivy/Lein9,486Apache-2.0Command line utilities mavencachecleanupCleans up the Maven and Gradle cache on your machine.2,928MITCommand line utilities maverNeural network libary1,997MIT maverickmaverick1,594Apache-2.0 maverick_osMaverick OS10,969BSD-3-Clause mavinspectLibrary for parsing MAVLink XML definitions86,827MIT OR Apache-2.0AerospaceAerospace::Drones mavioMinimalistic MAVLink client that supports `no-std` and `no-alloc` targets.53,916MIT OR Apache-2.0Aerospace::DronesAerospace::Aerospace protocols maviolaHigh-level MAVLink communication library with support for essential micro-services.18,765MIT OR Apache-2.0Aerospace::DronesAerospace::Aerospace protocols mavkitAsync MAVLink SDK for vehicle control, missions, and parameters87MITAerospaceAPI bindings mavlinkImplements the MAVLink data interchange format for UAVs.389,712MIT/Apache-2.0AerospaceAerospace::Aerospace protocols mavlink-bindgenLibrary used by rust-mavlink.236,653MIT/Apache-2.0AerospaceAerospace::Aerospace protocols mavlink-camera-managerMavlink Camera Manager8,413MIT mavlink-coreImplements the MAVLink data interchange format for UAVs.236,932MIT/Apache-2.0AerospaceAerospace::Aerospace protocols mavlink-dialectsA set of code generation utilities for MAVLink protocol.49,200MIT OR Apache-2.0AerospaceAerospace::Drones mavlink-message-definitionsMAVLink message definitions in MAVInspect format50,258MIT OR Apache-2.0AerospaceAerospace::Drones mavlink2restA simple REST API for MAVLink22,818MIT mavlink_logProvides utilities for interacting with a simple mavlink log.704MIT/Apache-2.0 mavrouterMAVLink router179AGPL-3.0AerospaceEmbedded development mavrsTyped async control of ArduPilot planes, copters, and quadplanes from a companion computer14MIT OR Apache-2.0Aerospace::DronesAerospace::Unmanned aerial vehicles