All 305,250 crates, alphabetically

metaproxyMetaproxy1,789MPL-2.0-no-copyleft-exception metaqueryextract metadata from sql scripts11,591Apache-2.0 metarA fast METAR parsing library in pure Rust47,411MIT metar-taf-parserA strongly-typed METAR and TAF parser library for aviation weather reports998MITParsing toolsScience metarepoA powerful multi-project management tool inspired by the meta npm package - manage multiple git repositories with ease5,019MITCommand line utilitiesDevelopment tools metarepo-coreCore interfaces and types for the metarepo multi-project management tool5,471MITCommand line utilitiesDevelopment tools metarepo-plugin-sdkSDK for authoring external plugins for the metarepo CLI: implement a trait, call serve(), and the v1 stdio protocol is handled…276MITCommand line utilitiesDevelopment tools metascraperMetaScraper is a extracts metadata information of a website.5,431MITWeb programming metasearcha cute metasearch engine4,922CC0-1.0 metasearch-coreCore types, traits, and utilities for the metasearch engine18MIT metaslang_bindingsComputes semantic language bindings from parsed source code13,384MITCompilersParser implementations metaslang_cstA generic library for building, navigating and querying concrete syntax trees.43,324MITCompilersParser implementations metaslang_graph_builderConstruct graphs from parsed source code15,917MITCompilersParser implementations metaslang_stack_graphsStack graphs utilities used in Slang7,508MITCompilers metasolverMeta heuristics library for those hard problems.1,989MIT metasophiea_minigrepA simple test crate which contains the Minigrep example code from the rust-lang book2,965non-standard metasploitmetasploit jsonrpc bridge library768non-standardDevelopment tools::FFI metasploit-shimmetasploit jsonrpc bridge library6,652non-standardDevelopment tools::FFI metastripExtract and strip metadata from image files (JPEG, PNG, TIFF, WebP)409MIT OR Apache-2.0Multimedia::ImagesParsing tools metastructAbstractions for iterating and mapping over struct fields593,735Apache-2.0Rust patterns metastruct_macroAbstractions for iterating and mapping over struct fields (proc macro crate)594,307Apache-2.0Rust patterns metatensorSelf-describing sparse tensor data format for atomistic machine learning and beyond72,329BSD-3-Clause metatensor-coreCore implementation of metatensor1,478MIT metatensor-sysBindings to the metatensor C library60,359BSD-3-Clause metathecaPath-and-fact layer over a syntheca cella: stable entry IDs, content-addressed facts, a single-track state chain, and a…233MIT OR Apache-2.0Command line utilitiesFilesystem metatraitRPITIT Monads2,295MIT OR Apache-2.0Asynchronous metatronMetatron core library15,145non-standardText processingWeb programming metatron-qso-rsMetatron Quantum State Operator - A quantum computing framework based on 13-dimensional sacred geometry44MITAlgorithmsMathematics metatypeHelper methods to determine whether a type is `TraitObject`, `Slice` or `Concrete`, and work with them respectively.64,917MIT OR Apache-2.0Development toolsRust patterns metaunmaskExtract and decrypt MetaMask and Phantom wallet vaults from browser extension storage85MITCommand line utilitiesCryptography metaunmask-cliCLI tool to extract and decrypt MetaMask and Phantom wallet vaults27MITCommand line utilities metavalFast CLI to validate a web page's SEO metadata: meta tags, Open Graph, Twitter Cards, schema.org/JSON-LD, hreflang, canonical and…67MITCommand line utilitiesWeb programming metavarmetavar for genomic annotation15MIT metaverse_agentAgent handling for the open metaverse500AGPL-3.0-or-later metaverse_corecore program for server and client IO537AGPL-3.0-or-later metaverse_environmentmetaverse environment data handler2,231AGPL-3.0-or-later metaverse_inventoryinventory handling for the open metaverse502AGPL-3.0-or-later metaverse_meshmesh handling for the open metaverse640AGPL-3.0-or-later metaverse_messagespacket definitions for the open metaverse6,338AGPL-3.0-or-later metaverse_utilssimple macro utilities for metaverse clients1,362AGPL-3.0-or-later metaxyEnd-to-end typesafe RPC between Rust and TypeScript130MIT OR Apache-2.0Web programming metaxy-cliCLI tool for Metaxy: parses Rust functions and generates TypeScript types and client168MIT OR Apache-2.0Command line utilitiesWeb programming metaxy-macroProcedural macros for Metaxy RPC framework225MIT OR Apache-2.0Development tools::Procedural macro helpersWeb programming metazapCLI for zapping metadata from PNG/JPEG trees with optional oxipng optimization358MITCommand line utilitiesMultimedia::Images metcoMetrics Collector inspired by StatsD.4,377MIT metco-clientClient for MetCo.100MIT meteStructural metrics engine for code quality analysis109MITCommand line utilitiesDevelopment tools meteoProgramme graphique en ligne de commande qui permet de consulter les prévisions de Météo France.17GPL-3.0 meteo_toolsA crate for counting and converting meteorological units.4,934non-standard meteofranceClient for for Météo-France API3,676MIT meteofrance-rsAn unofficial client library for Météo-France's API4,014MIT meteomaticsQuery weather and climate data from the Meteomatics API (https://www.meteomatics.com/en/)3,987MIT meteorMeteor — foundation types and context framework. Under active development by Rebel Software.20AGPL-3.0-onlyDatabase interfaces meteoraMeteora is a distributed key-value store.1,739MITDatabase interfaces meteora-clientMeteora is a distributed key-value store.2,608MITDatabase interfaces meteora-damm-rust-sdkRust SDK for Meteora DAMM (CP-AMM) on Solana - generated with Codama844MIT meteora-dbc-clientRust SDK for Meteora Dynamic Bonding Curve program2,063MIT meteora-dlmm-sdkRust SDK for Meteora DLMM program606Apache-2.0 meteora-dlmm-solana-clientRust client to interact with Meteora DLMM on-chain program.103MIT meteora-marinade-sdkCreated with Anchor26,796Apache-2.0 meteora-pools-sdkRust SDK for Meteora Pools program1,737Apache-2.0 meteora-protoMeteora is a distributed key-value store.3,795MITDatabase interfaces meteora-sdkmeteora sdk763GPL-3.0 meteora-serverMeteora is a distributed key-value store.3,201MITDatabase interfaces meteora-solMeteora DLMM4,372MITCryptography meteora-stable-swap-clientStableSwap Rust client.16,821Apache-2.0 meteora-stable-swap-mathCalculations for the StableSwap invariant16,340Apache-2.0 meteora-vault-sdkRust SDK for Meteora Vault program988Apache-2.0 meteora-vaultsCPIs for The Meteora Vault Program2,124Apache-2.0 meteorapoolCPIs for The Meteora Pool Program1,760Apache-2.0 meteordbMeteorDB — high-performance multi-model database. Under active development by Rebel Software.19LicenseRef-ProprietaryDatabase interfaces meteoritusA tus server integration for Rocket framework.14,455MIT OR Apache-2.0FilesystemWeb programming meteoschweizRender Switzerland weather forecast from meteoschweiz.admin.ch1,689GPL-3.0-or-later meteostatGet historic weather data from thousands of weather stations around the world.8,181Apache-2.0Science::Geospatial meteosuisseA reverse engineered wrapper around MétéoSuisse / MeteoSchweiz / MeteoSvizzera / MeteoSwiss300MITAPI bindings meterCLI level meter for adjusting microphone gain/levels.7,979MITCommand line utilitiesMultimedia meter_proxyA TCP proxy that measures latency and throughput of a client-server application7,242MIT meterbus-wired-datalinkWired M-Bus datalink primitives and codecs15MIT OR Apache-2.0Embedded developmentNetwork programming meteredFast, ergonomic metrics for Rust!6,444,785Apache-2.0 OR MITAlgorithmsAsynchronous metered-macroFast, ergonomic metrics for Rust!6,443,628Apache-2.0 OR MITAlgorithmsAsynchronous metered_wasmiWebAssembly interpreter8,928MIT/Apache-2.0 meteringGerman energy metering domain library — interval types, Gas conversion (m3→kWh_Hs), billing period aggregation (Spitzenleistung,…104MIT OR Apache-2.0 meteroid-rsMeteroid Billing SDK for Rust3,857MITAPI bindings meteroid-utoipaCompile time generated OpenAPI documentation for Rust (meteroid-oss fork of utoipa)2,284MIT OR Apache-2.0Web programming meteroid-utoipa-axumUtoipa's axum bindings for seamless integration for the two (meteroid-oss fork of utoipa-axum)2,261MIT OR Apache-2.0Web programming meteroid-utoipa-configConfig for controlling utoipa's various aspects (meteroid-oss fork of utoipa-config)35MIT OR Apache-2.0Web programming meteroid-utoipa-genCode generation implementation for utoipa (meteroid-oss fork of utoipa-gen)2,291MIT OR Apache-2.0 meteroid-utoipa-scalarScalar for utoipa (meteroid-oss fork of utoipa-scalar)2,255MIT OR Apache-2.0Web programming meterproxyA proxy that measures latency and throughput of a client-server application3,360MIT metersNot implemented yet1,024MIT metfairy_artA fun game where you guess what number the computer has chosen.1,620MIT OR Apache-2.0 metforMeteorological formulas and constants.53,673non-standardScience methKeeps computers awake.1,685MIT methodThis is a dummy package that will never have any content. I registered it because it seemed plausible that people might…3,953CC0-1.0 method_chainingA Rust procedural macro that automatically makes functions and structs chainable.450CC0-1.0 method_shorthandsA set of convenient shorthands for commonly used methods.4,562MIT OR Apache-2.0 methodifyProc macro attribute that turns a function into a trait method for its first argument30MIT OR Apache-2.0 methods-enumTwo macros for easy implementation of 'state' design pattern and other dynamic polymorphism using enum instead of dyn Trait17,670MIT OR Apache-2.0Rust patterns methodwiseA precise, methodic TUI web browser for the terminal enthusiast.228non-standardCommand line utilitiesWeb programming::HTTP client methylomeStructs and methods for working with methylation data2,755GPL-3.0 methylsieveFast per-template tagging and filtering of unconverted reads in bisulfite / EM-seq SAM/BAM files24MITCommand line utilitiesScience::Bioinformatics methyltracer-cliUniversal adapter for DNA methylation data formats25MIT meticulousResult extension to add more meaning to unwrapping390,080MIT/Apache-2.0Rust patterns metioThe library for interacting with metio compliant systems1,567MIT metisIdiomatic wrapper for METIS, the serial graph partitioner and fill-reducing matrix orderer255,802MIT OR Apache-2.0API bindingsMathematics metis-docs-cliCLI for Metis document management system5,095Apache-2.0Command line utilitiesDevelopment tools metis-docs-coreCore library for Flight Levels documentation management system6,606Apache-2.0Command line utilitiesDevelopment tools metis-docs-mcpMCP server for Metis documentation management system6,001Apache-2.0Command line utilitiesDevelopment tools metis-docs-tuiTerminal User Interface for Metis document management system5,462Apache-2.0Command line utilitiesDevelopment tools metis-rsPure Rust multilevel k-way graph partitioner inspired by METIS. No C dependencies.258MIT metis-sysRaw FFI to METIS, the serial graph partitioner and fill-reducing matrix orderer263,860MIT OR Apache-2.0External FFI bindingsMathematics metlHigh-level bindings for Apple's Metal Graphics API2,763MIT metrA lightweight, low-overhead metrics and span instrumentation crate for Rust with composable sinks.23MIT OR Apache-2.0Development tools::Profiling metr-axumOne line of middleware to monetize any Axum endpoint34MIT metrc-rust-sdkRust SDK generated from unified Metrc Protobuf artifacts.62MIT metreMetre, the configuration loader for Rust10,200Apache-2.0Configuration metre-macrosMacros for the metre crate10,448Apache-2.0Configuration metriczero-cost dimensional analysis for safe, unit-aware numeric computations in Rust11,018MIT metric-rsA crate for basic calculation functionalities related to Euclidean geometry. A rust port of `Metric` TypeScript package.3,279MIT metric_calendarMetric Calendar date conversion — a rational decimal calendar system42MITDate and time metric_daemonmetric-daemon, a rusty program1,620AGPL-3.0-or-later metricalGraphite/Statsd metrics client1,698MITDevelopment tools::Debugging metricatorMetrics101,584MIT metricchrono-consensusMinimal consensus tick-field helpers for the open-source MetricChrono core45Apache-2.0AlgorithmsScience metricchrono-coreOpen-source MetricChrono kernel, ladders, basic event log, and minimal consensus213Apache-2.0AlgorithmsScience metricchrono-ffiC ABI for the open-source MetricChrono core83Apache-2.0AlgorithmsAPI bindings metricchrono-logIn-memory event-log helpers for the open-source MetricChrono core15Apache-2.0AlgorithmsData structures metrickit-rsSafe Rust bindings for Apple's MetricKit framework — app performance metrics and diagnostics on macOS51MIT OR Apache-2.0API bindingsDevelopment tools::Profiling metricraftdashboard app.14MIT metricrsA lightweight metrics facade for `Rust`.1,224MIT metricrs-deriveproc-macros for crate `metricrs`1,147MIT metricrs-protobufA simple metric collector implementation compatible with the `metrics` facade.544MIT metricsA lightweight metrics facade.94,943,403MITDevelopment tools::Debugging metrics-catalogueMetrics Catalogue6,550Apache-2.0Development tools::Profiling metrics-catalogue-macrosMacro core of the metrics-catalogue crate8,616Apache-2.0Development tools::Profiling metrics-controllerMetrics Controller is a project to collect metrics for Mozilla IOT projects.12,425non-standard metrics-coreFoundational traits for interoperable metrics libraries.2,318,420MITDevelopment tools::Debugging metrics-dashboardZero-config dashboard with metrics-rs21,560MIT metrics-datadogA DataDog adapter for the metrics ecosystem.1,698MIT metrics-datadog-exporterA `metrics` compatible exporter that sends metrics to DataDog48,592MIT metrics-deriveProc macro for automatically describing and initializing metrics2,552,799MIT OR Apache-2.0 metrics-exporter-async_stdA metrics-core compatible exporter for serving metrics over HTTP using async_std.1,298MITDevelopment tools::Debugging metrics-exporter-csvA metrics recorder that writes metric snapshots to CSV files17,375MIT OR Apache-2.0Development tools::Debugging metrics-exporter-dogstatsdA metrics-compatible exporter for sending metrics to the Datadog Agent.4,109,065MITDevelopment tools::Debugging metrics-exporter-httpA metrics-core compatible exporter for serving metrics over HTTP.540,457MITDevelopment tools::Debugging metrics-exporter-http-async_stdA metrics-core compatible exporter for serving metrics over HTTP using async_std.1,793MITDevelopment tools::Debugging metrics-exporter-influxA metrics-compatible exporter for sending metrics to Influx/Grafana Cloud35,007MIT metrics-exporter-logA metrics-core compatible exporter for forwarding metrics to logs.574,797MITDevelopment tools::Debugging metrics-exporter-newrelicBasic `metrics` exporter for use with NewRelic5,157Apache-2.0 OR MIT metrics-exporter-opentelemetry🐻‍❄️🎈 A `metrics` exporter over OpenTelemetry170,873MIT metrics-exporter-otelA metrics-compatible exporter for sending metrics to OpenTelemetry collectors.194,413MITDevelopment tools::Debugging metrics-exporter-plotlyAn embedded metrics-rs exporter for plotting with plotly2,400MITDevelopment tools metrics-exporter-prometheusA metrics-compatible exporter for sending metrics to Prometheus.38,700,818MIT AND Apache-2.0Development tools::Debugging metrics-exporter-prometheus-writePrometheus remote write metrics exporter1,315MPL-2.0 metrics-exporter-scopeMetrics scope exporter8,689Apache-2.0 metrics-exporter-sentrymetrics-rs exporter for Sentry metrics1,599MIT metrics-exporter-sentry-v2A metrics-rs Recorder that ships metrics to Sentry's trace_metric envelope endpoint (the new, trace-connected metrics product).17MIT OR Apache-2.0Development tools::DebuggingDevelopment tools::Profiling metrics-exporter-statsdmetrics-rs exporter that supports reporting metrics to StatsD15,116,894MITDevelopment tools metrics-exporter-tcpA metrics-compatible exporter that outputs metrics to clients over TCP.186,307MITDevelopment tools::Debugging metrics-exporter-tracingA metrics recorder that emits metric updates as structured tracing events17,350MIT OR Apache-2.0Development tools::Debugging metrics-facadeA lightweight metrics facade for Rust16,484MITDevelopment tools::Debugging metrics-fnRust Function Metrics runtime module.1,615MIT OR Apache-2.0 metrics-fn-codegenCode generation module for Function Metrics.3,536MIT OR Apache-2.0 metrics-helper-macrosProc-macros for idiomatic Prometheus metrics instrumentation in Rust996MITDevelopment tools::Procedural macro helpers metrics-influxdbInfluxDB client compatible with the metrics facade1,535MIT metrics-jemallocA small shim to provide metrics from the jemalloc runtime10,886MIT metrics-libHigh-performance Rust metrics library: sub-2ns counters, sub-1ns gauges, nanosecond timers, tumbling-window rate meters, async…35,151Apache-2.0Development tools::ProfilingMemory management metrics-loggerLogs metrics, for development and testing purposes4,580MIT OR Apache-2.0 metrics-logger-caeUtility for logging throughput of a looping process2,043MIT metrics-macrosMacros for the metrics crate.34,127,020MITDevelopment tools::Debugging metrics-observerText-based UI for metrics-exporter-tcp.5,068MITDevelopment tools::Debugging metrics-observer-jsonA metrics-core compatible observer that outputs JSON.575,708MITDevelopment tools::Debugging metrics-observer-prometheusA metrics-core compatible observer that outputs the Prometheus exposition output.573,929MITDevelopment tools::Debugging metrics-observer-yamlA metrics-core compatible observer that outputs YAML.547,123MITDevelopment tools::Debugging metrics-opentelemetryOpentelemetry recorder for metrics crate115,701BSL-1.0 metrics-pluginCLN plugin for exposing Prometheus liquidity metrics16MIT metrics-processCross-platform Prometheus style process metrics collector of metrics crate4,050,324MIT metrics-process-promstylePrometheus-style 'process metrics' for the generic metrics façade5,279MIT OR Apache-2.0 metrics-processionA compact in-memory collector for metrics.rs792MITData structuresDevelopment tools::Debugging metrics-prometheus`prometheus` backend for `metrics` crate.489,649MIT OR Apache-2.0Development tools::Debugging metrics-prometheus-clientCreating compatibility between `metrics` and `prometheus_client`.1,303MIT OR Apache-2.0 metrics-recorder-prometheusmetric recorder for Prometheus exposition output19,421MIT metrics-recorder-textmetric recorder for hierarchical, text-based output16,564MIT metrics-rs-dashboard-actixMetrics dashboard for Rust applications5,103MIT metrics-runtimeA batteries-included metrics library.608,958MITDevelopment tools::Debugging metrics-scopeMetrics scope UI5,812Apache-2.0 metrics-sqliteLibrary for providing SQLite backend for metrics23,603MIT OR Apache-2.0Development tools::Debugging metrics-tracing-contextA crate to use tracing context as metrics labels.2,365,766MITDevelopment tools::Debugging metrics-utilHelper types/functions used by the metrics ecosystem.80,112,525MITDevelopment tools::Debugging metrics-utils-macrosProcedural utility macros for ease of recording metrics.2,909MIT OR Apache-2.0Development tools::DebuggingDevelopment tools::Profiling metrics-vectorA Vector adapter for the metrics ecosystem.1,704MIT metrics_cloudwatchCloudWatch emitter for the metrics crate187,349MIT/Apache-2.0 metrics_cloudwatch_embeddedCloudWatch embedded metrics format emitter for the metrics crate127,017Apache-2.0 metrics_distributorIngest logs and forward aggregated data to APIs/services.77,065BSD-3-Clause metrics_evaluationSmall foot-print parser and solver for (nested) text-based comparisons8,813MIT metrics_ipc_collectorA metrics collector that uses interprocess communication to collect metrics from multiple processes.1,432Apache-2.0Development tools::Debugging metrics_printerA recorder for the metrics library that prints metric values to an output in regular intervals.17,546MITDevelopment tools::Debugging metrics_serverA hassle-free, single-responsibility, safe HTTP/S server used to easily expose metrics in an application.24,254MITWeb programming::HTTP server metrictoolsthe metrictools rust binding2,084MIT metricusLow latency metrics framework.8,993MITDevelopment tools::Debugging