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.

microsoft-cognitive-computer-visionMicrosoft - Cognitive Services - Computer Vision API1,710Apache-2.0 OR MIT microsoft-diaRust for Debug Interface Access (DIA) SDK16,308MIT OR Apache-2.0 microsoft-direct3dRust bindings for the latest DirectX (Agility SDK) headers1,545MIT OR Apache-2.0 microsoft-directstorageMicrosoft DirectStorage for Windows1,209MIT OR Apache-2.0 microsoft-directxRust bindings for the latest DirectX (Agility SDK) headers3,889MIT OR Apache-2.0 microsoft-fast-buildServer-side renderer for FAST declarative HTML templates — resolves bindings, evaluates conditionals, iterates repeats, and…57MITTemplate engineWeb programming microsoft-fast-convertConverter for FAST declarative HTML templates into WebUI prerelease HTML or FAST v3 TypeScript templates.20MITTemplate engineWeb programming microsoft-security-utilitiesCore security utilities.1,399MIT microsoft-webuiProgrammatic API for the WebUI build-time rendering framework529MITTemplate engineWeb programming microsoft-webui-cliCLI tool for building WebUI applications269MITCommand line utilitiesDevelopment tools microsoft-webui-dev-serverShared dev-server primitives for WebUI tooling: file watcher, SSE live reload, and URL-safe static file routing.258MIT microsoft-webui-discoveryExternal component discovery for WebUI framework576MITDevelopment toolsWeb programming microsoft-webui-expressionsCore expression evaluation for WebUI framework864MITParser implementationsWeb programming microsoft-webui-ffiCore FFI bindings for WebUI framework279MITAPI bindingsWeb programming microsoft-webui-handlerCore rust handler for WebUI framework753MITTemplate engineWeb programming microsoft-webui-nodeNode.js native addon for WebUI framework via napi-rs264MITAPI bindingsWeb programming microsoft-webui-parserCore parser for WebUI framework756MITParser implementationsTemplate engine microsoft-webui-pressHigh-performance Static Site Generator powered by WebUI Framework153MIT microsoft-webui-protocolCore protocol definitions for WebUI framework1,055MITEncodingWeb programming microsoft-webui-stateCore state management for WebUI framework935MITWeb programming microsoft-webui-test-utilsTest utilities for WebUI framework556MITDevelopment tools::TestingWeb programming microsoft-webui-tokensDesign token loading, filtering, and CSS generation for WebUI389MITWeb programming microsoft-webui-wasmWebAssembly bindings for WebUI framework — powers the online playground274MITWebAssemblyWeb programming microsoft_libA library for working with Microsoft 365 APIs.962GPL-3.0 microsoft_mailMicrosoft Mail api961MIT microsoft_security_utilities_coreCore security utilities.1,434MIT microsoft_security_utilities_core_ffiCore security utilities.1,360MIT microspectrogramA simple `no_std` library for computing spectrograms.1,580MITAlgorithmsEmbedded development microstackThe simplest and the fastest implementation of a fixed-size stack on stack10,323MITData structuresMemory management microstateFinite state machine, inspired by micromachine19,827MIT microstatusLightweight Mastodon- and GNU social-compatible OStatus server implementation2,122ISCCommand line utilities microstrStack-allocated string with fixed capacity1,424MITData structuresNo standard library microstrain-inertialLibrary for communicating with Microstrain inertial measurement units via MIP protocol46MITEmbedded developmentNo standard library microstringSmall, niche-able, stack allocated strings1,158Apache-2.0 OR MITData structuresMemory management microswitchμSwitch is a cross-platform application which enables musicians to play sounds using switches. It's designed for people with…4,303MITAccessibilityMultimedia::Audio microtemplateFast, microscopic helper crate for runtime string interpolation.9,360MIT OR Apache-2.0Template engine microtemplate_deriveContains derive macros for the microtemplate crate.6,330MIT OR Apache-2.0 microtensorAutomatic differentiation for tensor operations6,279MITMathematicsScience microtimeTime tracked in microseconds4,504Apache-2.0 OR MIT microtunA no_std WireGuard implementation for embedded systems.19AGPL-3.0-onlyEmbedded developmentNetwork programming microtuneFine frequency tuner for Stabilizer/Urukul979non-standard microtypeA crate to simplify the creation of microtypes107,379MIT microtype-coreCore traits for the microtype crate9,271MIT microtype-macroProc macro for generating microtypes99,753MIT microuiMicroUI (immediate mode GUI) library in pure rust8,837BSD-3-ClauseGUINo standard library microui-reduxIdiomatic Rust MicroUI (immediate mode GUI) library port7,063BSD-3-ClauseGUIRendering microunitA decentralized unit orchestration framework.3,650Apache-2.0 microversePolymodal — coordination layer for the agent era. polymodal.live20MIT OR Apache-2.0 microversus_apiAPI interface for microversus1,306Apache-2.0 microversus_codexTypes and definitions for interfacing with the microversus system3,977Apache-2.0 microvmLightweight macOS microVM launcher built on Apple's Virtualization.framework18Apache-2.0 microvm-runtimeFirecracker microVM driver for decentralized Tangle operators — pure-Rust primitive, no service, no auth, no business logic.1,917UnlicenseOperating systems::Linux APIsVirtualization microvm-vzVirtualization.framework bindings for microvm33Apache-2.0 microvm-warm-poolPre-restored Firecracker microVM pool harness for fast warm handoff. Built on top of microvm-runtime.1,156UnlicenseOperating systems::Linux APIsVirtualization microvmiA cross-platform, unified, low-level VM introspection API supporting multiple hypervisors38,614GPL-3.0-only microwaveMake xenharmonic music and explore musical tunings.58,842MITMultimediaMultimedia::Audio microwfcSmall Wave-Function-Collapse implementation13,804MIT microwinkreserved920Apache-2.0 microxPlaceholder1,703BSD-2-Clause microxdgAn XDG Base Directory Specification library.10,951GPL-3.0-onlyConfigurationFilesystem micrrouAn interface to nannou to reduce boilerplate code1,547MITAPI bindingsGraphics mics-6814Platform-agnostic driver for the MiCS-6814 triple gas sensor (CO, NO2, NH3)23MIT OR Apache-2.0Embedded developmentHardware support mics-vz-89teMICS-VZ-89TE driver implementation5,779MIT OR Apache-2.0Embedded developmentHardware support mictilsmictils is util crate that contains various functions.2,752MIT micumanA limited version of grep command. Example of use: cargo run -- 'query' 'file_path'814MIT OR Apache-2.0 midCreating a Machine ID hash for MacOS/Windows/Linux/iOS1,428,925MIT OR Apache-2.0AccessibilityAuthentication mid-compressionCompression utilities for the `middleware` protocol2,638MIT mid-idpoolCommon id pool implementations for the `middleware` protocol users2,099MIT mid-issuermID JWT issuer — wallet-side. Mints self-issued sign-in tokens per ADR 0005 Decision 1. Phase 0 of the mID Mission.80MIT OR Apache-2.0 mid-netNetwork adapter for the `middleware` protocol implementation2,114MIT mid-toolsAbstract tools for compiler middle ends50AGPL-3.0-or-later mid-verifymID JWT verifier — RP-side. Runs the four-step verification (genesis self-sig → roster chain → head VM → JWS signature) entirely…69MIT OR Apache-2.0 midasDo painless migration 🦀21,405MIT OR Apache-2.0Command line utilitiesDevelopment tools midas-clientA Python client library to access the midas_server backend.5,655Apache-2.0 midas-lexLauncher for Midas Lex CLI: coding agent guidance to formally verify Rust software36MPL-2.0 midas_cliRust port of MIDAS (Microcluster-Based Detector of Anomalies in Edge Streams)5,791MIT OR Apache-2.0AlgorithmsCommand line utilities midas_fetcherHigh-performance concurrent downloader for UK Met Office MIDAS Open weather data with intelligent caching and resumable downloads1,661MIT OR Apache-2.0Command line utilitiesScience midas_processorHigh-performance Rust tool for converting UK Met Office MIDAS weather datasets from BADC-CSV to optimized Parquet format1,242MITCommand line utilitiesScience midas_pythonPython bindings to the Rust lib port of MIDAS (Microcluster-Based Detector of Anomalies in Edge Streams)5,647MIT OR Apache-2.0AlgorithmsData structures midas_rsRust lib port of MIDAS (Microcluster-Based Detector of Anomalies in Edge Streams)10,340MIT OR Apache-2.0AlgorithmsData structures midas_vgaVGA driver for the MidAS Operating System9,857non-standard midasioUtilities to read binary files in the MIDAS format19,338MITParser implementationsScience middenResolve, audit, visualize, and clean coding-agent context and state200AGPL-3.0-onlyCommand line utilitiesDevelopment tools middleClient Authorization Middleware for APIs secured via OAuth2 or Bearer Tokens. Tonic & reqwest integration. Based on the `oauth2`…56,165Apache-2.0 middle-monitor-sdkRust SDK for Middle-Monitor error reporting with OpenTelemetry95MIT middle-scroll-coreCross-platform core: state machine + progressive scroll engine for Wayland-Wheeltani.3740BSD middlemanA wrapper for a mio::TcpStream to send and receive serializable Structs (blocking or non blocking) of arbitrary size9,816non-standard middlewaremy custom middleware1,978MIT OR Apache-2.0 middleware-templateA template for creating custom Gotham middlewares1,824MIT/Apache-2.0 midds-types-codegenProcedural macros for generating types for MIDDS runtime types683GPL-3.0-only midds-v2-codegenProcedural macros for MIDDS v2 code generation999GPL-3.0-or-later midenMiden SDK83,738MITCompilers miden-ace-codegenACE circuit codegen for Plonky3-based Miden AIRs.24,639MIT OR Apache-2.0CryptographyNo standard library miden-agglayerAgglayer components for the Miden protocol46,497MITNo standard library miden-airAlgebraic intermediate representation of Miden VM processor390,523MIT OR Apache-2.0CryptographyNo standard library miden-assemblyMiden VM assembly language394,652MIT OR Apache-2.0CompilersNo standard library miden-assembly-syntaxParsing and semantic analysis of the Miden Assembly language181,644MIT OR Apache-2.0CompilersNo standard library miden-assembly-syntax-cstLossless concrete syntax tree support for the Miden Assembly language6,008MIT OR Apache-2.0Compilers miden-baseMiden rollup Rust SDK6,297MITCompilers miden-base-macrosProvides proc macro support for Miden rollup SDK6,404MITCompilers miden-base-sysMiden rollup Rust bingings and MASM library16,236MITCompilers miden-benchmarkA binary to run benchmarks of the Miden network60MIT miden-block-proverMiden blockchain block executor and prover79,126MITCryptography miden-cliCLI binary application that facilitates interaction with the Miden rollup7,771MITCommand line utilities miden-clientClient library that facilitates interaction with the Miden network65,090MITNo standard library miden-client-cliThe official command line client for interacting with the Miden network7,305MITCommand line utilities miden-client-integration-testsIntegration Tests for the miden client library3,145MIT miden-client-sqlite-storeSQLite-backed Store implementation for miden-client10,798MIT miden-client-toolsA wrapper on top of the Miden client that simplifies interactions with the Miden blockchain.3,692MIT miden-client-webWeb Client library that facilitates interaction with the Miden network10,886MITNo standard library miden-confidential-contractsMiden multisig smart contract accounts412AGPL-3.0 miden-coreMiden VM core components436,192MIT OR Apache-2.0EmulatorsNo standard library miden-core-libMiden VM core library105,930MIT OR Apache-2.0CryptographyMathematics miden-cryptoMiden Cryptographic primitives522,718MIT OR Apache-2.0CryptographyNo standard library miden-crypto-deriveProcedural macros for miden-crypto207,073MIT OR Apache-2.0CryptographyNo standard library miden-debugAn interactive debugger for Miden VM programs9,574MITDevelopment tools miden-debug-dapIn-repo Debug Adapter Protocol support for miden-debug8,334MITDevelopment tools miden-debug-engineCore debugger engine for miden-debug8,319MITDevelopment tools miden-debug-typesCore source-level debugging information types used throughout the Miden toolchain183,543MIT OR Apache-2.0CompilersNo standard library miden-diagnosticsDiagnostics infrastructure for Polygon Miden compilers11,444MIT miden-diagnostics-macrosMacro support crate for miden-diagnostics11,943MIT miden-faucetToken faucet application for Miden testnet16,046MIT miden-faucet-clientClient CLI to request tokens from a remote Miden faucet (PoW mint)753MIT miden-faucet-libMiden faucet's logic3,740MIT miden-fieldA unified field element type for on-chain and off-chain Miden Rust code106,099MIT OR Apache-2.0CryptographyNo standard library miden-field-reprSerialization/deserialization for felt representation1,415MITCompilers miden-field-repr-deriveDerive macros for felt representation serialization/deserialization1,494MITCompilers miden-formatFormatter for the Miden Assembly language199MIT OR Apache-2.0Compilers miden-formattingVersatile pretty-printing and display formatting utilities used by Miden357,806MITValue formatting miden-gpuGPU acceleration for the Miden VM prover12,062MITCryptography miden-idxdb-storeIndexedDB-backed Store implementation for miden-client (WASM)988MIT miden-large-smt-backend-rocksdbLarge-scale Sparse Merkle Tree backed by pluggable storage - RocksDB backend4,999MIT miden-libStandard library of the Miden protocol95,105MITNo standard library miden-lifted-airAIR traits for the Miden lifted STARK protocol, with symbolic constraint analysis.47,143MIT OR Apache-2.0 miden-lifted-starkLifted STARK prover and verifier (LMCS-based).47,152MIT OR Apache-2.0 miden-lspLanguage server for Miden projects74MIT or Apache-2.0 miden-mast-packagePackage containing a compiled Miden MAST artifact with declared dependencies and exports190,863MIT OR Apache-2.0CompilersNo standard library miden-mietteFancy diagnostic reporting library and protocol for us mere mortals who aren't compiler hackers.348,729Apache-2.0No standard libraryRust patterns miden-miette-deriveDerive macros for miette. Like `thiserror` for Diagnostics.346,075Apache-2.0 miden-mobile-proverNative Miden transaction prover exposed as a C ABI for embedding in iOS/Android Capacitor plugins.207MIT miden-multisig-clientHigh-level SDK for interacting with multisig accounts on Miden via GUARDIAN292AGPL-3.0 miden-network-monitorMiden network monitor891MIT miden-nodeMiden node binary17,639MIT miden-node-block-producerMiden node component for sequencing and syncing blocks33,611MIT miden-node-dbShared database capabilities for Miden node5,132MIT miden-node-grpc-error-macroProcedural macro for deriving GrpcError trait (internal implementation detail - use miden-node-proto)21,514MITNo standard library miden-node-ntx-builderMiden node's network transaction builder component20,766MIT miden-node-protoMiden node message definitions (Store, Block Producer and RPC)48,571MIT miden-node-proto-buildMiden node protobuf bindings builder78,957MIT miden-node-rocksdb-cxx-linkage-fixMiden C++ stdlib link helper5,317MIT miden-node-rpcMiden node's front-end RPC server33,236MIT miden-node-storeMiden node's state store component34,643MIT miden-node-tracing-macroProcedural macros for Miden node tracing255MIT miden-node-utilsMiden node's shared utilities48,961MIT miden-node-validatorMiden node's validator component11,433MIT miden-note-transport-nodeMiden Note Transport Node318MIT miden-note-transport-node-binMiden Note Transport Node163MIT miden-note-transport-protoMiden Note Transport Protocol Buffers480MIT miden-note-transport-proto-buildMiden Note Transport Protocol Buffers Builder58,601MIT miden-ntx-builderMiden network transaction builder300MIT miden-objectsCore components of the Miden protocol110,215MITNo standard library miden-objtoolCommon utilities for analyzing Miden artifacts136MITCompilers miden-package-registryPackage registry interfaces and dependency resolution for Miden packages53,324MIT OR Apache-2.0CompilersData structures miden-package-registry-localFilesystem-backed local package registry for Miden packages334MIT OR Apache-2.0Command line utilitiesCompilers miden-parsingReusable parsing components for use in Miden projects10,649MIT miden-pow-rate-limiterMiden Proof-of-Work rate limiter1,214MIT miden-processorMiden VM processor392,128MIT OR Apache-2.0EmulatorsNo standard library miden-projectInterface for working with Miden projects53,184MIT OR Apache-2.0CompilersNo standard library miden-protocolCore components of the Miden protocol67,014MITNo standard library miden-protocol-macrosProcedural macros for Miden protocol50,533MITDevelopment tools::Procedural macro helpers miden-proverMiden VM prover363,625MIT OR Apache-2.0CryptographyEmulators miden-proving-serviceMiden rollup proving service4,153MIT miden-proving-service-clientClient library for the Miden rollup proving service15,188MIT miden-remote-proverMiden remote prover12,551MIT miden-remote-prover-clientClient library for the Miden blockchain remote prover68,288MIT miden-rowanLibrary for generic lossless syntax trees23,290MIT OR Apache-2.0 miden-rpc-protoMiden node RPC message definitions19,758MITNo standard library::No dynamic allocation miden-sdkMiden SDK5,473MITCompilers miden-sdk-allocA simple bump allocator for Miden SDK programs10,981MITCompilers miden-serde-utilsSerialization/deserialization utilities for the Miden project115,214MIT OR Apache-2.0CryptographyNo standard library miden-standardsStandards of the Miden protocol59,775MITNo standard library miden-stark-transcriptTranscript channels for Fiat-Shamir protocols with raw field/commitment storage47,141MIT OR Apache-2.0 miden-stateful-hasherStateful sponge-like hashers for cryptographic hashing47,204MIT OR Apache-2.0 miden-stdlibMiden VM standard library267,285MIT OR Apache-2.0CryptographyMathematics miden-stdlib-sysLow-level Rust bindings for the Miden standard library15,908MITCompilers miden-test-utilsTest utilities for Miden VM programs1,349MITDevelopment tools::TestingNo standard library miden-testingMiden protocol testing tools70,140MITNo standard library miden-thiserrorderive(Error) with no-std support67,829MIT OR Apache-2.0No standard libraryRust patterns miden-thiserror-implImplementation detail of the `thiserror` crate with no-std support68,144MIT OR Apache-2.0 miden-txMiden blockchain transaction executor and prover148,503MITNo standard library miden-tx-batchMiden blockchain transaction batch executor, prover, and verifier2,472MITNo standard library miden-tx-batch-proverMiden blockchain transaction batch executor and prover72,393MITNo standard library miden-tx-kernel-sysPlaceholder for miden-tx-kernel-sys crate1,342MITCompilers miden-tx-proverMiden rollup transaction prover5,106MIT miden-utils-core-deriveProc macro to derive enum dispatch trait implementations on miden-core structs114,487MIT OR Apache-2.0Development tools::Procedural macro helpersNo standard library miden-utils-diagnosticsDiagnostic infrastructure used in the Miden assembler and VM181,767MIT OR Apache-2.0CompilersNo standard library miden-utils-indexingType-safe u32-indexed vector utilities for Miden135,161MIT OR Apache-2.0Development toolsNo standard library miden-utils-syncno-std compatible locking primitives for the Miden project183,847MIT OR Apache-2.0No standard library miden-validatorMiden validator299MIT miden-verifierMiden VM execution verifier381,021MIT OR Apache-2.0CryptographyNo standard library