All 305,250 crates, alphabetically

metricus_agentLow latency metrics framework.5,629MITDevelopment tools::Debugging metricus_allocatorLow latency metrics framework.4,591MITDevelopment tools::Debugging metricus_macrosLow latency metrics framework.6,277MITDevelopment tools::Debugging metrikenA fast and lightweight metrics library275,349Apache-2.0 metriken-coreA fast and lightweight metrics library236,185Apache-2.0 metriken-deriveProc macros for metriken252,812Apache-2.0 metriken-expositionExposition for metriken metrics59,590MIT OR Apache-2.0 metriken-queryPromQL query engine and TSDB for metriken parquet files10,440MIT OR Apache-2.0 metriki-coreA metrics library ported from dropwizard metrics37,570MIT/Apache-2.0 metriki-influxdb-reporterInfluxdb reporter for metriki8,677MIT/Apache-2.0 metriki-jemallocMetriki integration for jemalloc2,657MIT/Apache-2.0 metriki-log-reporterLog reporter for metriki10,289MIT/Apache-2.0 metriki-macrosMacros for metriki2,461MIT/Apache-2.0 metriki-prometheus-exporterPrometheus exporter/reporter for metriki2,980MIT/Apache-2.0 metriki-r2d2Metriki instrumentation for r2d2 connection pool1,653MIT/Apache-2.0 metriki-riemann-reporterRiemann reporter for metriki4,056MIT/Apache-2.0 metriki-statsd-reporterStatsd reporter for metriki4,183MIT/Apache-2.0 metriki-tokioMetriki integration for tokio metrics2,797MIT/Apache-2.0 metriki-towerMetriki integration with tower10,866MIT/Apache-2.0 metriki-tracingMetriki as a subscriber of tracing2,838MIT/Apache-2.0 metriki-warpMetriki integration with warp2,893MIT/Apache-2.0 metriport-rustThis is a rust SDK for the metriport API1,494MIT metriqStructured logging for solana smart contracts2,795MIT metriqsMetrics infrastructure framework11,797BSD-3-Clause metriqueLibrary for generating wide event metrics241,763Apache-2.0 metrique-aggregationLibrary for aggregating metrique events642Apache-2.0 metrique-coreLibrary for wide event metrics - core traits252,842Apache-2.0 metrique-macroLibrary for wide event metrics - #[metrics] macro240,549Apache-2.0 metrique-metricsrsLibrary for wide event metrics - metrics.rs collector11,105Apache-2.0 metrique-otelLibrary for wide event metrics - OpenTelemetry (OTLP) backend for metrique74Apache-2.0 metrique-service-metricsLibrary for wide event metrics - writer-side interface240,571Apache-2.0 metrique-timesourceUtilities for mocking Instant and SystemTime (part of metrique)237,971Apache-2.0 metrique-utilAdditional utilities for metrique1,680Apache-2.0 metrique-writerLibrary for wide event metrics - writer-side interface253,666Apache-2.0 metrique-writer-cloudwatchA metrique EntryIoStream backend that submits EMF metrics to CloudWatch Logs via PutLogEvents71Apache-2.0 metrique-writer-coreLibrary for wide event metrics - writer-side interface core traits252,896Apache-2.0 metrique-writer-format-emfLibrary for wide event metrics - Amazon CloudWatch Embedded Metric Format (EMF) formatter23,562Apache-2.0 metrique-writer-format-jsonLibrary for wide event metrics - Pure JSON formatter982Apache-2.0 metrique-writer-macroLibrary for wide event metrics - derive(Entry) macro251,289Apache-2.0 metrixmetrics for application monitoring135,289Apache-2.0/MIT metroMetro is a crate for rendering graphs similar to `git log --graph`5,018MITAlgorithmsCommand-line interface metro-agentA modular, type-safe framework for intelligent agents, powered by a graph-based blackboard1,923MIT OR Apache-2.0 metro-blackboardA graph-based blackboard2,344MIT OR Apache-2.0Data structures metro-engineA modular, type-safe engine for intelligent agents, powered by a graph-based blackboard1,481MIT OR Apache-2.0 metro-macrosMacros for metro-agent2,744MIT OR Apache-2.0 metro2Metro2 spec validator for the CDIA guide1,590MIT metro_m0Board Support crate for the Adafruit Metro M040,880MIT OR Apache-2.0Embedded developmentHardware support metro_m4Board Support crate for the Adafruit Metro M432,878MIT OR Apache-2.0Embedded developmentHardware support metrocityA terminal screensaver with animated pixel-art scenes that activate on idle105MITCommand line utilities metrohashRust implementation of MetroHash, a high quality, high performance hash algorithm1,035,328MITAlgorithms metroidReserved package name - not yet available for use23Unlicense metrom-chain-adapter-commonsA collection of common utilities for the Metrom chain adapter service.2,578GPL-3.0-or-later metrom-commonsA collection of common utilities for Metrom-related projects.28,712GPL-3.0-or-later metrom-resolver-clientA client for the Metrom resolver service.17,798GPL-3.0-or-later metrom-resolver-commonsA collection of common utilities for the Metrom resolver service.18,378GPL-3.0-or-later metromcMarkov chain Monte Carlo sampling using the Independence Metropolis-Hastings algorithm.2,679MIT metromeCreate click tracks from any rhythm6,608GPL-3.0 metronutility crate for unit of measure1,669MIT OR Apache-2.0Data structuresScience metron-rsDifficulty and performance calculators for rhythm games (osu!mania, Etterna, Quaver)28MIT metron_coremake easily your own measurement system of units3,007MIT OR Apache-2.0Data structuresScience metron_librarylibrary of measurement system made with metron_core2,369MIT OR Apache-2.0Data structuresScience metronomeSleep, wake, repeat1,813Apache-2.0 metronome-cliA command-line metronome designed to enhance your internal timing and harmonic intuition with features like beat muting, BPM…701Apache-2.0Command line utilitiesMultimedia::Audio metronome-rsA metronome library with audio beep functionality945MIT OR Apache-2.0API bindingsMultimedia metronome-sdkAn unofficial, generated Rust client for the Metronome billing API.33,851MITAPI bindings metronomosType-safe dependency injection (DI) lifecycle manager for Rust.93ISC metronomos-actorA small, tokio-based actor framework for Rust.30ISC metronomos-loomA crate for building and managing dependency graphs using a directed acyclic graph (DAG) structure.100ISC metronomos-pulseType-safe dependency injection (DI) container for Rust.90ISC metronomos-pulse-macrosProcedural macros for metronomos-pulse dependency injection container.60ISC metropolisA high level easy to use graphics renderer32,801MITGamesGraphics metropolis-tuiThe cyberpunk city powered by your kernel metrics174MITCommand line utilitiesVisualization metrovectorA high-performance, compact binary format for storing and querying vector embeddings.514MIT OR Apache-2.0 metrowrapA mwcc wrapper2,290BSD-3-ClauseCommand line utilitiesCompilers metrsThe Metrs daemon1,491MIT OR Apache-2.0 metrs_stubsMetrs shared data type26,474MIT OR Apache-2.0 metrsdThe Metrs daemon1,518MIT OR Apache-2.0 metrsd_clientThe Metrs daemon api client28,633MIT OR Apache-2.0 metrumEasily work with and compare temeratures in different units9,984MIT metryAll-in-one telemetry framework, based on tracing crate.2,280Apache-2.0 mettricsMakes publishing meaningful metrics from applications easier.3,528GPL-3.0-only mettrics-macrosMacros for mettrics crate.3,163GPL-3.0-only mettyA CLI tool for getting real time information about the Tyne and Wear Metro3,985MITCommand line utilities meu_pacoteBiblioteca de somar e subtrair1,569MIT meuronMeuron is a modular neural network library written in rust for training simple neural networks.55UnlicenseAlgorithmsScience mevMetal Et Vulkan abstraction1,723MIT OR Apache-2.0 mev-buildersMEV builder endpoints, all in one place11,823MIT OR Apache-2.0 mev-builders-macrosProcedural macros for mev-builders crate10,330MIT OR Apache-2.0 mev-coreA generic, chain-agnostic MEV trading framework: Collector -> Strategy -> BundleBuilder -> Executor17MIT mev-engineA mev-engine for starknet2,088MIT OR Apache-2.0 mev-libMEV utilities library for Ethereum mainnet25MITCryptography::Cryptocurrencies mev-procmev procedural macros61MIT OR Apache-2.0 mev-proc-implmev procedural macros implementation77MIT OR Apache-2.0 mev-rsModern and maximally-minimal rust tooling for MEV2,876MIT mev-shareMEV-share client in rust31,558MIT OR Apache-2.0 mev-share-rpc-apiMEV-share RPC API trait definitions32,225MIT OR Apache-2.0 mev-share-sseMEV-share Server Side Events support in rust766,944MIT OR Apache-2.0 mev_loggerMEV Logger2,204MIT mev_tools_coreHelper lib for creating mev bots156MIT mevalA simple math expression parser and evaluator.1,402,377Unlicense/MIT mevcatLightweight tool for interacting with MEV APIs820MITCryptography::CryptocurrenciesDevelopment tools mevlogIndex EVM transactions into a local SQLite DB and query them with SQL across 2k+ chains18,149MITCommand line utilities mevshareA Rust client library for subscribing to the Flashbots MEV-Share SSE event stream.27MITAPI bindingsCryptography::Cryptocurrencies mevyA growing set of macros, which add witchcraft into bevy!5,550MIT OR Apache-2.0 mevy_corecore bevy macros for mevy!2,591MIT OR Apache-2.0 mevy_core_syntaxtoken handling for mevy_core!7,346MIT OR Apache-2.0 mevy_ecsbevy_ecs macros, simplifying child spawning and picking!4,990MIT OR Apache-2.0 mevy_ecs_syntaxtoken handling for mevy_ecs!11,224MIT OR Apache-2.0 mevy_uibevy_ui macro, that adds a CSS-like syntax!5,940MIT OR Apache-2.0 mevy_ui_syntaxtoken handling for mevy_ui!9,705MIT OR Apache-2.0 mewa next‐generation build system (vapourware)3,481Apache-2.0 OR MIT mew-cssA fluent, chainable API for building CSS styles with strong typing in Rust. Mew provides a type-safe way to generate CSS with…891MITAPI bindingsDevelopment tools meweCLI dictionary app. Fetches only one definition from Merriam Webster.1,688MITCommand line utilities mewomewo - Simple, Lightweight ECS5,527BSD-2-Clause mewo_ecsmewo_ecs - Simple, Lightweight ECS7,161BSD-2-Clause mewo_ecs_derivemewo_ecs_derive - mewo_ecs' derive macros7,146BSD-2-Clause mewsMinimal and Efficient, Multi-Environment WebSocket implementation for async Rust22,180MITAsynchronousNetwork programming mewtMutation testing framework with multi-language support343AGPL-3.0Development tools::TestingSecurity mewtuiA three-pane terminal code editor: shell, code editor, and file tree in one TUI50MITCommand line utilitiesText editors mexA maths expression parser/evaluator2,860MIT mex-langMex, a language for describing software systems and data.895MITCompilers mex-sysA bindgen generated Rust wrapper around mex.h for creating binary MEX files callable from MATLAB.3,263MIT mexc-rsRust client for the mexc.com exchange10,073non-standard mexc-rust-sdkAn unofficial library for interacting with the Mexc API1,410MIT OR Apache-2.0 mexeSimple arithmetic expression evaluator14,069MITDevelopment toolsMathematics mexprpA math expression parsing and evaluation library41,280MPL-2.0Parsing tools mexsetImplementing a set with MEX support1,640MIT mextkA library for writing mods for Super Smash Brothers Melee in Rust1,687MIT mextk-libcA subset of libc needed for building mods for Super Smash Brothers Melee3,243MIT mextk-sysBindings to the MexTK library for writing mods for Super Smash Brothers Melee2,605MIT mextronBlazing fast static site generator15,956MIT OR Apache-2.0 meyerholdProgressive reader for Playwright MCP snapshot JSON files353MITCommand line utilitiesDevelopment tools meylStatic Email (Template) Generator4,291MIT mezaMeza is an in-memory data table written in Rust.3,860MIT mezameAn ACP client that bridges a local agent (Kiro CLI, Claude Agent CLI, Gemini CLI, Codex, ...) to a browser UI over WebSockets.372MITCommand line utilitiesWeb programming::WebSocket mezmoUse Mezmo with Rust!1,663MIT meztideSDK for lotide17,580MIT OR Apache-2.0 mezzalapi coding agent harness in Rust — TUI, multi-provider LLM, WASM extensions21MIT OR Apache-2.0Command line utilitiesDevelopment tools mezzala-coreCore types for Mezzala — WASM-compatible agent framework (Session, Agent, Provider, Tool)45MIT OR Apache-2.0Development toolsWebAssembly mezzala-extensionSDK Rust para extensiones Mezzala — macros para definir extensiones WASM con mínimo boilerplate42MIT OR Apache-2.0Development toolsWebAssembly mezzengerMessage passing infrastructure.10,572Apache-2.0 mezzenger-channelmezzenger transport over futures channels.3,572Apache-2.0 mezzenger-dtlsDTLS mezzenger transport.1,539Apache-2.0 mezzenger-httpHTTP mezzenger transport.1,560Apache-2.0 mezzenger-rpcRemote procedure call solution over mezzenger transports.1,536Apache-2.0 mezzenger-rpc-macrosProcedural macros for mezzenger-rpc.1,527Apache-2.0 mezzenger-tcpTCP mezzenger transport.6,956Apache-2.0 mezzenger-udpUDP mezzenger transport.8,479Apache-2.0 mezzenger-utilsUtilities for mezzenger.4,558Apache-2.0 mezzenger-webrtc-datachannelWebRTC data channel mezzenger transport.1,551Apache-2.0 mezzenger-websocketWebSocket mezzenger transport.8,634Apache-2.0 mezzenger-webworkerTransport for communicating with web workers.5,093Apache-2.0 mezzoA fast headless CMS.15,972non-standard mfI modify files.12,043MITCommand line utilities mf-speakA spicy little command wrapper that provides audible feedback with attitude3,987MITCommand line utilities mf-utilsmarkflow utils2,220MIT mf1Use ICU MessageFormat 1 to internationalise your apps11,614MIT OR Apache-2.0Internationalization (i18n)Localization (L10n) mf1-macrosMacros for the mf1 crate11,292MIT OR Apache-2.0 mf1-parserParse ICU MessageFormat 1 syntax10,588MIT OR Apache-2.0Internationalization (i18n)Localization (L10n) mf2_i18nMain Rust crate for Unicode MessageFormat v2 (MF2) i18n.18MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_buildReusable build and project APIs for compiling and validating Unicode MessageFormat v2 (MF2) assets.20MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_coreCore types and runtime primitives for Unicode MessageFormat v2 (MF2).28MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_embeddedEmbedded-friendly runtime support for Unicode MessageFormat v2 (MF2).22MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_leptosLeptos integration for Unicode MessageFormat v2 (MF2) i18n.16MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_nativeNative runtime helpers for Unicode MessageFormat v2 (MF2) i18n.19MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_runtimeRuntime formatting and evaluation for Unicode MessageFormat v2 (MF2).22MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_i18n_stdStd-target locale formatting backend for Unicode MessageFormat v2 (MF2).24MIT OR Apache-2.0Internationalization (i18n)Text processing mf2_parserParser and AST definitions for MessageFormat 27,110GPL-3.0-or-laterParser implementations mf2_printerPrinter for MessageFormat 26,677GPL-3.0-or-later mf4-rsmf4-rs is a Rust library for working with ASAM MDF 4 (Measurement Data Format) files.1,238MIT mf_file_searchmain rusl library1,870MIT mf_multihash/multiformat/multihash1,677MIT/Apache-2.0 mfa-cliA MFA cli client4,306MIT mfaizudd-minigrepmfaizudd's implementation of minigrep from the rust programming language book1,599MIT OR Apache-2.0 mfarag_guessing_gameA simple guessing game from the Rust book2,598MIT mfauthSimple CLI client to request and manage OAuth2 tokens1,654MITAuthenticationCommand line utilities mfawsA CLI tool to manage AWS credentials for MFA-enabled accounts7,147MITCommand line utilities mfc-clonerA way to facilitate easy cloning of mifare classic cards4,743MITCommand line utilities mfccCalculate Mel Frequency Cepstral Coefficients from audio data3,590MITScience mfcloud-accountingマネーフォワード クラウド会計API のクライアントライブラリ60MIT mfcloud-accounting-cliマネーフォワード クラウド会計API CLI22MIT mfcloud-accounting-typesマネーフォワード クラウド会計API の型定義 (OpenAPIから自動生成)94MIT mfek-ipcModular Font Editor K (MFEK) inter-process communication library.1,467Apache-2.0 MFEKmathA library which supplies mathematics and algorithms for manipulating beziers.2,990Apache-2.0 mfemA high-level Rust wrapper for MFEM3,488MIT mfem-cppStatic build of MFEM for use as a Rust dependency5,150MIT mfem-sysRust bindings to MFEM3,820MIT mfetch📦 memory-focused system info tool written in Rust.812MIT mff-extractCLI utility to extract PAK archives from Macrospace's Fatal Force J2ME game1,485MIT OR Apache-2.0 mfformA simple input form simulating mainframe input forms, think 3270.3,579MIT mfform-libA simple library for input form simulating mainframe input forms, think 3270.3,020MIT mfight_sdkRust library for writing NEAR smart contracts.8,439MIT OR Apache-2.0WebAssembly mfioFlexible completion I/O primitives3,558MITAsynchronousConcurrency mfio-derivemfio derive macros2,632MIT mfio-netfsmfio based network filesystem1,549MITAsynchronousFilesystem mfio-rtmfio based async runtime1,931MITAsynchronousFilesystem mfkartA library for modeling artistic concepts.1,818MIT OR Apache-2.0 mflash-coreThe headless, offline-first engine and CLI for mflash v459Unlicense mfmparked for future usage317MIT mfm-collectors-evmCollector-facing EVM traits and payload types for MFM21MIT