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.

mongreldb-coreMongrelDB core: log-structured columnar store with sub-ms writes, learned indexes, and an AI-native access layer.3,741MIT OR Apache-2.0 mongreldb-faultMongrelDB named fault-injection hooks (FND-006). Disabled unless activated.1,157MIT OR Apache-2.0 mongreldb-kitSchema-aware, storage-backed application persistence layer for MongrelDB with migrations, relational constraints, and a query…1,873MIT OR Apache-2.0Database interfaces mongreldb-kit-coreCore, language-neutral model for MongrelDB Kit: schema, key encoding, validation, constraint planning, migration planning, and…2,766MIT OR Apache-2.0Database interfaces mongreldb-logMongrelDB commit-log abstraction and versioned command envelope.1,157MIT OR Apache-2.0 mongreldb-protocolMongrelDB versioned protocol messages and service definitions (S1D).620MIT OR Apache-2.0 mongreldb-queryDataFusion SQL + Arrow frontend for MongrelDB.2,961MIT OR Apache-2.0 mongreldb-serverHTTP daemon for MongrelDB — serves SQL, native queries, and typed Kit API over HTTP for multi-process access.1,628MIT OR Apache-2.0 mongreldb-simMongrelDB deterministic test simulator (FND-005): virtual clock, scheduling, network, and disk with seeded faults.286MIT OR Apache-2.0 mongreldb-typesMongrelDB shared identifiers, HLC timestamps, durability primitives, and error taxonomy.1,206MIT OR Apache-2.0 moniRecursively deletes all the apparitions of a directory/file3,985MIT moniclockMonotonic clock27,593MIT moniesParse, format and perform calculations with money safely.5,605MIT monikerAutomatically derive variable binding and alpha equivalence for abstract syntax trees19,717Apache-2.0Data structures moniker-deriveDerives for the moniker crate20,540Apache-2.0Data structures moniker-rsRandom name generating tool.3,124MITCommand line utilities monilogDisplays your logs nicely4,511MIT monioPure Rust cross-platform input monitoring library with proper drag detection645Apache-2.0API bindingsOperating systems moniofActix middleware to monitor over-fetching and detect N+1 / overfetch database patterns (Mongo + SQL-agnostic)70MITDatabase interfacesDevelopment tools monirsLinux monitoring software1,740ISC monistode-assemblersA collection of assemblers for the monistode set of architectures.5,812MIT monistode-binutilsA cleaner rust backend implementation of the monistode binutils5,613MIT monistode-cliThe CLI interface for the monistode binutils.3,387MIT monistode-emulatorAn emulator for the monistode set of ISA's18,396MIT monistode-emulator-bindingsWeb assembly bindings for the monistode emulator14,726MIT monistode-emulator-cliA CLI for the Monistode emulator9,952MIT monistode-macrosA set of assembler-generating macros for monistode6,313MIT monit-agregatorWatchdog Monit agregator, like M/Monit5,037non-standardWeb programming monit-toolcommand-line utility written in Rust for working with GitHub Actions18,705MIT monitetoringA real-time per-process network bandwidth monitoring tool for Linux, inspired by nethogs. Built with Rust and featuring a…2,380GPL-2.0Command line utilitiesNetwork programming monitorMonitor synchronization construct103,869non-standard monitor-affinityRoute bars and widgets to monitors based on criteria like "largest" or "rightmost"2,213MITCommand line utilities monitor-commonBasic data structure and algorithm of linux-monitor tool.12,709MIT monitor-control-winControl monitors on Windows (WIP, currently read-only)2,968MITOperating systems::Windows APIs monitor-inputA command line tool to change input sources of display monitors with DDC/CI.13,160Apache-2.0 monitor-switchSet or toggle multiple monitor's input sources via DDC/CI1,865MIT monitor_cliCommand line tool to sync monitor resources and execute file defined procedures55,205GPL-3.0-or-later monitor_clientClient for the monitor build and deployment system71,045GPL-3.0-or-later monitor_client_rsclient to simplify access to the monitor api.7,441MIT monitor_helpershelpers used as dependency for mogh tech monitor18,384GPL-3.0-or-later monitor_peripherymonitor periphery binary | run monitor periphery as system daemon16,345GPL-3.0-or-later monitor_rsMonitor synchronization construct2,487non-standard monitor_sleep_toggleSmall tool to toggle between fast monitor sleep (1 Minute) and no monitor sleep.1,324non-standard monitor_typestypes for the mogh tech monitor45,744GPL-3.0-or-later monitorbotMonitor a web page for changes384MIT OR Apache-2.0 monitordmonitord ... know how happy your systemd is! 😊74,991GPL-2.0-or-laterNetwork programmingOperating systems::Linux APIs monitord-exportermonitord-exporter ... let prometheus know how happy your systemd is! 😊4,698GPL-2.0-or-laterNetwork programmingOperating systems::Linux APIs monitorsA CLI tool made using ratatui and rust that allows you to monitor your system information.214MITAccessibilityCommand-line interface monitrA lightweight macOS activity monitor TUI built with Rust and Ratatui651MITCommand line utilities monituiA delightfully minimal TUI for wrangling Hyprland monitors123MITCommand line utilitiesConfiguration monkMonk is a simple Git hooks manager written in Rust. It allows you to manage and automate Git hooks easily using a YAML…18,491MITCommand line utilities monk-macroMonk Macro2,039Apache-2.0 monk-sdkProduction-grade Rust SDK for the Monk Events API with automatic retries, exponential backoff, client-side buffering, and circuit…42MITAPI bindings monkayA cli typing test for all those monkey type addicts1,561MIT OR Apache-2.0Command line utilities monkeyInterpreter for the Monkey programming language1,935MIT monkey-asmAOT AArch64 assembly backend for monkeylang (Linux ELF and macOS Mach-O)17MIT monkey-compilera compiler for monkeylang3,735MIT monkey-evaluatora evaluator for monkey lang4,318MIT monkey-gcQuickJS-style GC runtime for Monkey (bytecode VM with cycle collector)76MIT monkey-interpreteran interpreter for monkeylang11,912MIT monkey-lexera lexer for monkey lang18,903MIT monkey-objecta object system for monkey lang7,883MIT monkey-parsera parser for monkey lang18,349MIT monkey-printerWith an infinite nr of monkeys you could write Shakespeare6,273MIT monkey-rsMonkey programming language interpretter.455MIT monkey-wasmmonkey lang parser wasm version10,724MIT monkey_testA property based testing (PBT) tool like QuickCheck, ScalaCheck and similar libraries, for the Rust programming language.14,971MITDevelopment tools::Testing monkey_typewriterPorted from https://github.com/cyclic-software/monkey-typewriter1,503ISC monkeyfetcha CLI tool to fetch your monkeytype stats and pretty-print them70MIT monkeyinterpreterAn interpreter written in Rust for the monkey programming language described in the book 'Writing An Interpreter In Go'…2,761MIT OR Apache-2.0 monkeysCoroutines with async/await/yield2,757MIT monkeysortSorts stuff using Bubblesort!459Apache-2.0AlgorithmsMathematics monkeytermA monkeytype-inspired terminal typing test53MITCommand line utilities monkeytype-tuiTerminal client for monkeytype with result sync via ApeKey16MITCommand line utilities monmateChess and checker's board game19MIT OR Apache-2.0 monntecc_crateLearn demonstration create1,494Unlicense monoMono repository automation toolkit224MIT mono-aiProvider-agnostic Rust AI library739MIT mono-ai-macrosprocedural macros for tools in mono-ai404MIT mono-changesetMono repository changeset utilities298MIT mono-clockEmbedded-time Clock implementation using RTIC Monotonic37,608MIT OR Apache-2.0 mono-diagramA cross-platform tool for generating plain-text diagrams from a certain syntax2,648MITCommand line utilitiesParser implementations mono-macroForce monomorphizing on functions with `share-generics` to minimalize binary size.5,257MIT OR Apache-2.0 mono-projectMono repository project utilities326MIT mono-repositoryMono repository git utilities367MIT mono-rsLightweight wrapper around mono.13,838MIT mono-rtDynamic bindings to the Mono runtime for process injection into Unity games and Mono-hosted applications on Windows46GPL-3.0-onlyAPI bindingsGame development mono_displayLibrary for monochrome displays.1,914BSD-3-Clause mono_eventsuper fast event system7,194MIT mono_event_deriveDerive macros for mono_event7,584MIT mono_libA crate for hacking mono applications.8,619MIT monobank-sync-rustSynchronize data from Monobank's Personal API into a local database109AGPL-3.0 monochangeManage versions and releases for your multiplatform, multilanguage monorepo1,823UnlicenseDevelopment tools monochange_analysisEcosystem-specific semantic change analysis for monochange changesets441UnlicenseDevelopment tools monochange_cargoManage versions and releases for your multiplatform, multilanguage monorepo534UnlicenseDevelopment tools monochange_changelogChangelog rendering for monochange451UnlicenseDevelopment tools monochange_configConfiguration parsing and validation for monochange628UnlicenseDevelopment tools monochange_coreManage versions and releases for your multiplatform, multilanguage monorepo4,085UnlicenseDevelopment tools monochange_dartDart and Flutter workspace discovery for monochange546UnlicenseDevelopment tools monochange_denoDeno workspace and package discovery for monochange555UnlicenseDevelopment tools monochange_ecmascriptShared ECMAScript semantic analysis helpers for monochange adapters874UnlicenseDevelopment tools monochange_forgejoForgejo release payload rendering and publishing for monochange440UnlicenseDevelopment tools monochange_giteaGitea release payload rendering and publishing for monochange469UnlicenseDevelopment tools monochange_githubGitHub release payload rendering and publishing for monochange606UnlicenseDevelopment tools monochange_gitlabGitLab release payload rendering and publishing for monochange476UnlicenseDevelopment tools monochange_goGo ecosystem adapter for monochange — discovers Go modules and resolves versions from git tags434UnlicenseDevelopment tools monochange_graphDependency graph and propagation logic for monochange464UnlicenseDevelopment tools monochange_hostingShared hosting utilities for monochange source providers1,130UnlicenseDevelopment tools monochange_lintEcosystem-agnostic manifest lint engine for monochange1,004UnlicenseDevelopment tools monochange_lintingAuthoring helpers and macros for monochange lint suites876UnlicenseDevelopment tools monochange_npmManage versions and releases for your multiplatform, multilanguage monorepo546UnlicenseDevelopment tools monochange_publishPublishing support and trusted-publishing capabilities for monochange1,144UnlicenseDevelopment tools monochange_pythonPython ecosystem adapter for monochange — discovers uv workspaces, Poetry, and setuptools projects443UnlicenseDevelopment tools monochange_schemaDurable JSON schemas and migration helpers for monochange artifacts1,689UnlicenseDevelopment tools monochange_semverCompatibility and semver helpers for monochange917UnlicenseDevelopment tools monochange_snapshotNormalized snapshots for monochange-compatible command and API surfaces88UnlicenseDevelopment tools monochange_telemetryLocal telemetry primitives for monochange446UnlicenseDevelopment tools monochange_telemtryLocal telemetry primitives for monochange20Unlicense monochange_test_helpersInternal shared test helpers for monochange753UnlicenseDevelopment tools monochoragif to ascii art converter written in rust4,012MIT monochordA musical tunings library4,201MIT monochromatic-nested-wayland-sessionMinimal single-app nested Wayland compositor for GUI testing: hosts one Wayland client fullscreen on the GPU (dmabuf) path,…45LGPL-3.0-or-laterCommand line utilitiesDevelopment tools::Testing monocleA commandline application to search, parse, and process BGP information in public sources.30,446MIT monocle-agentPlug-and-play OpenTelemetry (OTLP/HTTP) exporter for Monocle — traces, metrics and logs for Rust services.34MITDevelopment tools::DebuggingWeb programming monocoqueBtrfs RAID monitoring backend17MITFilesystemNetwork programming monocoque-coreCore Btrfs logic for monocoque50MIT monocoque-rsHigh-performance ZeroMQ-compatible messaging runtime, io_uring by default with optional tokio and smol backends231MITAsynchronousNetwork programming monocoque-rs-coreProtocol-agnostic messaging kernel with pluggable io_uring (compio), tokio, or smol I/O329MITAsynchronousNetwork programming monocoque-rs-zmtpInternal ZMTP 3.1 protocol implementation for Monocoque (use 'monocoque-rs' crate for public API)270MITNetwork programming monocoque-serverUI for monocoque40MIT monocore`monocore` is a secure MicroVM provisioning system for running untrusted code in isolated environments.2,577Apache-2.0 monocypherBindings for the monocypher C library11,883ISCCryptography monocypher-sysBindgen generated bindings to the monocypher C library7,372ISC monodexFast, accurate code search for large Rush monorepos171MITCommand line utilitiesDevelopment tools monodex-coreReserved-name placeholder for the Monodex project.17MIT monodex-protocolReserved-name placeholder for the Monodex project.17MIT monodex-sdkReserved-name placeholder for the Monodex project.17MIT monoffTurns off monitors on Windows10,655MITAccessibilityCommand line utilities monofoldA simple scaffolding helper for monorepos3,912MITCommand line utilitiesDevelopment tools monofs`monofs` is an immutable distributed file system.2,481Apache-2.0 monogrepcustom version of grep830MIT monoidA package providing some common monoids for use in Rust9,900MIT monoioA thread per core runtime based on iouring.1,194,813MIT OR Apache-2.0AsynchronousNetwork programming monoio-clientA generic client which supports pooling, timeout and more1,509MIT/Apache-2.0 monoio-codecCodec for Monoio.36,382MIT/Apache-2.0AsynchronousNetwork programming monoio-compatA compat wrapper for monoio.82,239MIT OR Apache-2.0AsynchronousNetwork programming monoio-duplexPort of Tokio's SimplexStream and DuplexStream for Monoio895MIT monoio-httpLow level http implementation for Monoio.57,573MIT/Apache-2.0 monoio-http-clientHttp client for Monoio.36,297MIT/Apache-2.0 monoio-io-wrapperA read/write wrapper to bridge sync and async io185,864MIT/Apache-2.0AsynchronousNetwork programming monoio-macrosMonoio proc macros.1,082,311MIT/Apache-2.0Asynchronous monoio-native-tlsAsynchronous TLS streams wrapper for Monoio based on NativeTLS.13,037MIT/Apache-2.0AsynchronousCryptography monoio-netreqmonoio-netreq is a user-friendly HTTP client library designed for use with the Monoio runtime2,411Apache-2.0 monoio-pgHigh-performance asynchronous PostgreSQL driver for monoio369WTFPLAsynchronousDatabase interfaces monoio-quicheAsynchronous QUIC implementation for Monoio based on Quiche.2,172MIT/Apache-2.0AsynchronousCryptography monoio-relaymonoio-relay is a high-performance, easy-to-use HTTP server framework built for use with the Monoio runtime50MIT monoio-routeYet another high performance router.3,214MIT OR Apache-2.0AlgorithmsNetwork programming monoio-rust2goMonoio Rust2go main shared library.1,488MIT/Apache-2.0Development tools::FFIExternal FFI bindings monoio-rust2go-cliMonoio Rust2go commandline tool.1,067MIT/Apache-2.0Development tools::FFIExternal FFI bindings monoio-rust2go-commonMonoio Rust2go common library.1,521MIT/Apache-2.0Development tools::FFIExternal FFI bindings monoio-rust2go-macroMonoio Rust2go macro.1,093MIT/Apache-2.0Development tools::FFIExternal FFI bindings monoio-rustlsAsynchronous TLS streams wrapper for Monoio based on Rustls.58,872MIT/Apache-2.0AsynchronousCryptography monoio-rustls-fork-shadow-tlsAsynchronous TLS streams wrapper for Monoio based on Rustls.155,066MIT/Apache-2.0AsynchronousCryptography monoio-thriftThrift for Monoio.13,562MIT/Apache-2.0AsynchronousNetwork programming monoio-transportsMonoio Transporter.20,908MIT/Apache-2.0 monoio-transports-netreq-forkThis is a personal fork of the monoio-transports crate2,027MIT/Apache-2.0 monoio-tungsteniteAsynchronous WebSocket implementation for monoio runtime, adapted from tungstenite.1,760MIT OR Apache-2.0AsynchronousNetwork programming monojitenMonolingual Japanese dictionary CLI35MITCommand line utilities monokakidoA Rust library for parsing and interpreting the Monokakido dictionary format.6,575MIT monolakeHigh Performance Proxy base on Monoio972MIT/Apache-2.0AsynchronousDevelopment tools monolake-coreMonoLake Core Abstraction and Utils1,504MIT/Apache-2.0AsynchronousDevelopment tools monolake-servicesMonoLake Services Implementation1,252MIT/Apache-2.0AsynchronousDevelopment tools monolibA library implementing the lonely radio audio streaming protocol10,261MIT monolilithSimple Build System for Monorepos4,672EUPL-1.2AccessibilityCommand line utilities monolithCLI tool and library for saving web pages as a single HTML file138,397CC0-1.0Command line utilitiesWeb programming monolith_macro_utilsMonolith is a framework based on tokio and bevy.1,107MIT OR Apache-2.0 monolithiumFinding the Largest Minecraft Alpha Monoliths831MIT monome-rsTalk to monome devices21,360MIT/Apache-2.0Hardware supportMultimedia::Audio monomoExplicit trait monomorphization5,236MIT monomo_macrosMacros for monomo crate3,558MIT mononokeClonable, retryable builder wrappers over the mongodb driver204MIT OR Apache-2.0AsynchronousDatabase interfaces mononymType-level named values with partial dependent type support in Rust1,635MIT OR Apache-2.0 monopipedmonopiped tunnels and encrypts TCP applications over TCP/HTTP(S) WebSockets1,573CC0-1.0Command line utilities monoprotocolMono sync protocol reference types and crypto (spec is canonical in spec/)57ISCCryptographyEncoding monorailA tool for effective polyglot, multi-project monorepo development.20,782MIT monorepoA library and CLI for working with monorepos1,625MIT OR Apache-2.0 monorepo-client-zfkdescription1,511MIT monorepo-dependabot-configA tool to generate Dependabot configuration for a monorepo with multiple languages5,087MIT monorepo-metaUnified CLI for polyglot monorepos - orchestrates Turborepo, Cargo, and Bacon in tmux314MITCommand line utilitiesDevelopment tools monorepo-utils-zfkdescription2,033MIT monosecretDeclarative secrets, every environment, any provider42Apache-2.0 monosecret_deriveDerive macros for Monosecret type-safe code generation34Apache-2.0 monosodiumPlain bindings to libsodium3,900MIT OR Apache-2.0 monostateType that deserializes only from one specific value25,368,348MIT OR Apache-2.0EncodingNo standard library monostate-implImplementation detail of the monostate crate25,364,363MIT OR Apache-2.0 monotermConvert terminal colors to monochrome12,468GPL-3.0-or-laterCommand line utilities monotextMonotext is a tool for creating well-formatted, professional plain-text documents with cover pages, headers, footers and…22GPL-3.0 monotimeA strictly monotonic timestamp handling library, ensures that timestamp.next() > timestamp2,455MIT OR Apache-2.0 monotoneLibrary of counters and queues for coordination in distributed systems.5,435Apache-2.0 monotone-cliMonotonic counter cli implemented on top of AWS DynamoDB.5,532Apache-2.0