BROWSE A-Z
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.
mavryk-smart-rollupSDK for Mavryk Smart Rollup kernel development.1,252MIT
mavryk-smart-rollup-constantsLow-level constants for Mavryk Smart Rollups3,979MIT
mavryk-smart-rollup-coreLow-level host function definitions & constants for Mavryk Smart Rollups.3,928MIT
mavryk-smart-rollup-debugOutput formatted messages to Mavryk Smart Rollup debug log.2,222MIT
mavryk-smart-rollup-encodingData Encodings used by Mavryk Smart Rollup kernels.2,981MIT
mavryk-smart-rollup-entrypointSetup kernel_entry entrypoint for Mavryk Smart Rollup kernels.1,673MIT
mavryk-smart-rollup-hostSafe Runtime trait for Mavryk Smart Rollups host functions.3,615MIT
mavryk-smart-rollup-installerInstaller client for Mavryk Smart Rollups.1,297MIT
mavryk-smart-rollup-installer-configInstaller configuration for installer kernel of Mavryk Smart Rollups.1,589MIT
mavryk-smart-rollup-mockMock implementation of Mavryk Smart Rollup host functions to enable unit testing of kernel logic.2,391MIT
mavryk-smart-rollup-panic-hookHook for capturing kernel panics & printing to debug log.1,889MIT
mavryk-smart-rollup-storageHigher-level transactional account view over Mavryk Smart Rollup durable storage.1,601MIT
mavryk_crypto_rsUtilities for mavryk-related cryptographic operations.6,043MIT
mavryk_data_encodingUtilities for encoding/decoding data compatible with tezos data encoding.5,839MIT
mavryk_data_encoding_deriveProcedural macros for mavryk_encoding.6,067MIT
mavsharkMAVLink message inspector TUI2,929MIT
mavsnarkwireshark for mavlink806MIT OR Apache-2.0
mavspecA set of code generation utilities for MAVLink protocol.87,937MIT OR Apache-2.0
mavspec_rust_deriveProcedural macros for MAVSpec's Rust code generation toolchain.57,431MIT OR Apache-2.0
mavspec_rust_genRust code generation module for MAVSpec.82,516MIT OR Apache-2.0
mavspec_rust_specCore interfaces for MAVSpec's Rust code generation toolchain.67,733MIT OR Apache-2.0
mawA simple and efficient web framework for Rust.2,172MIT
maw-assuranceFormal-verification primitives for maw — oracle, model, and Stateright integration222MIT
maw-coreCore domain logic for maw — merge protocol, oplog, backend, refs388MIT
maw-gitGit abstraction layer for maw — trait-based interface backed by gix481MIT
maw-lfsNative git-lfs support for maw — pointer codec, local object store, batch API client582MIT
maw-scenarioDriver-agnostic scenario plan generator for maw — shared by SG1 DST (in-process oracles) and SG2 (real-agent benchmark).58MIT
maw-workspacesMulti-Agent Workflow coordinator for Manifold git workspaces194MIT
mawaqitIslamic prayer times for Rust with high-latitude & polar-region support.107MIT
mawbyMatrix Alertmanager Webhook Bot? Yes!1,568Apache-2.0
mawidaA small, code-first, modern 2D game engine in Rust, built on wgpu. 2D today, with the seams cut for 3D, VR, and embedded…65BSD-2-Clause
mawida-engineAlias crate for the Mawida game engine. Use the `mawida` crate; this name re-exports it.34BSD-2-Clause
mawida-game-engineAlias crate for the Mawida game engine. Use the `mawida` crate; this name re-exports it.31BSD-2-Clause
max-7219-led-matrix-utilSimple `no_std`-utility-library using 'max7219'-crate for LED matrix displays with optional easy setup functions for Linux…13,821MIT
max-grrsA tool to search files1,592MIT OR Apache-2.0
max-rsMAX messenger API library40MIT
max-subarray-sumFinds the maximum subarray sum in a list.10,199MIT
max-sysRaw FFI bindings to the Modular MAX C API (generated by bindgen)87MIT
max112xDriver for the 24-bit MAX11214 and similar ADCs.8,800MIT OR Apache-2.0
max11300A rust-embedded driver for the MAX11300 ADC/DAC14,655MIT OR Apache-2.0
max116xx-10bitDriver crate for the MAX116xx 10-bit ADC devices10,045Apache-2.0
max145784-driverAn embedded async driver for the MAX14578E/MAX14578AE USB charger detector.1,241Apache-2.0
max14578e-driverAn embedded async driver for the MAX14578E/MAX14578AE USB charger detector.1,575Apache-2.0
max17048A I2C driver crate for the max17048/9 LiPo Fuel gauge IC5,855MIT OR Apache-2.0
max170xxPlatform-agnostic Rust driver for the MAX170xx 1-cell/2-cell fuel-gauge systems with ModelGauge for lithium-ion (Li+)…10,451MIT OR Apache-2.0
max1720xAn embedded-hal driver for the MAX1720x fuel gauge ICs1,641MIT OR Apache-2.0
max17320An embedded hal driver for the MAX17320 (2S-4S ModelGauge m5 Fuel Gauge with Protector, Internal Self-Discharge Detection and…1,595MIT
max2034xDriver crate for the MAX20343/MAX20344 family of buck/boost converters.4,314MIT OR Apache-2.0
max30101-rsPure Rust driver for the MAX30101 PPG sensor.46MIT OR Apache-2.0
max30102Blocking and async driver for the MAX30102 pulse oximeter and heart rate sensor46MIT OR Apache-2.0
max3010xPlatform-agnostic Rust driver for the MAX3010x high-sensitivity pulse oximeter and heart-rate sensor for wearable health.11,461MIT OR Apache-2.0
max30205A driver for the MAX30205 temperature sensor communicating over I2C.3,396MIT OR Apache-2.0
max31855Driver for MAX31855 SPI thermocouple converter5,177MIT OR Apache-2.0
max31855-rsMAX31855 Cold-Junction Compensated Thermocouple-to-Digial Converter4,964MIT
max31856A platform independent rust driver for Max31856 Precision Thermocouple to Digital Converter1,766MIT OR Apache-2.0
max31865generic driver for the MAX31865 RTD to Digital converter4,584MIT OR Apache-2.0
max32630_svdPeripheral access API for max32630 microcontrollers2,017MIT OR Apache-2.0
max3263xsvd2rust generated peripheral crate for the max3263x7,555MIT
max32660Register mappings for the Analog Devices MAX32660 Cortex-M4 microcontroller4,079MIT
max32660-halHardware Abstraction Layer (HAL) for the MAX 32660 microcontroller4,0750BSD
max32660-pacPeripheral access API for MAX 32660 microcontroller5,662MIT OR Apache-2.0
max342xRust support crate for the MAX3420 and MAX3421 chips1,426Apache-2.0
max44009Platform-agnostic Rust driver for the MAX44009 ambient light sensor.5,105MIT OR Apache-2.0
max485A simple embedded-hal driver for operating the MAX485 uart to rs485 module in half duplex mode.2,886MIT OR Apache-2.0
max485-asyncAsync driver for the MAX 485 RS-485 transceiver, using embedded-hal-async.281MIT OR Apache-2.0
max553xDriver for the 12-bit MAX5532–MAX5535 DACs.5,364MIT OR Apache-2.0
max6639no_std driver for the MAX6639 fan speed controller3,146MIT OR Apache-2.0
max6642no_std driver for the MAX6642 temperature sensor3,208MIT OR Apache-2.0
max6675-halAn embedded-hal driver for the MAX6675 digital thermocouple converter.5,890MIT
max6955A platform agnostic driver to interface with MAX6955 LED Display Driver6,013MIT
max7219A platform agnostic driver to interface the MAX7219 (LED driver)30,398MIT
max7219-asyncAsync driver for the MAX72193,091MIT
max7219-canvasA library built for rust that makes setting and getting pixels from co-ordinates easy, aswell as handling displaying different…4,442MIT
max7219-displayA no_std driver for the MAX7219 LED display controller2,173MIT
max7219-driverThis crate provides a platform agnostic driver for the MAX7219 LED Driver IC.6,887MIT OR Apache-2.0
max7301Driver for the MAX7301 serial I/O expander4,916MIT OR Apache-2.0
max7456implement driver for OSD MAX745614,710MIT
max7797x-driverAn embedded async driver for the MAX77975/MAX77976 battery charger2,837Apache-2.0
max78000WIP1,637MIT
max78000-halWIP1,634MIT
max78000-pacA Peripheral Access Crate for the MAX78000 microcontroller6,736Apache-2.0
max7800x-halA Hardware Abstraction Layer for the MAX7800X microcontroller family7,673MIT OR Apache-2.0
max86150Async embedded-hal driver for the MAX86150 ECG and PPG sensor25MIT OR Apache-2.0
max_len_base_10_as_usizeTrait offering constant maximum lengths of primitive integers as usize3,891MIT OR Apache-2.0
max_nA utility function on iterators to find the maximum or minimum n values2,457MIT
max_rectsAn implementation of the maximal rectangles algorithm for 2d bin packing.4,052MIT
max_rssA small utility to measure resident set size (rss) of a process11,301GPL-3.0-only
max_size_vecA Rust crate for stack-based vectors with a fixed amount of memory reserved. It will work on stable when min_const_generics is…1,890GPL-3.0
max_valuesStruct and iterator extension trait for getting max values out of given1,577MIT
maxbotАвтоматизация работы с чат-ботами на платформе MAX (max.ru)853MIT
maxbuildMAXBUILD rust SDK1,701MIT
maxcapMAXCAP: Maximum Collective Advantage Protocol. The 128-bit commercial heart and authority shunting engine for the Aicent Stack…231Apache-2.0
maxcountryman-web-sysBindings for all Web APIs, a procedurally generated crate from WebIDL1,789MIT/Apache-2.0
maximImplements a highly-scalable and ergonomic actor system for Rust based on the
best of Erlang / Elixir and Akka. A fork of the…1,794Apache-2.0
maximaA free and open-source replacement for the EA Desktop Launcher1,731GPL-3.0
maximal-allocLinux x86_64 custom memory allocator with allocator-aware collections.13MIT OR Apache-2.0
maximal-lotteryA Rust library for computing maximal lotteries from preference profiles.51MIT OR Apache-2.0
maximal-rtThread-per-core async runtime for the maximal allocator.13MIT OR Apache-2.0
maxlenLength-bounded string and slice/vector2,558MIT
maxlen-macroLength-bounded string and slice/vector1,299MIT
maxmatrix_rsA Rust driver for the MAX7219 LED matrix driver3,418MIT
maxmind_geo_ip2a REST API client for the MaxMind GeoIP2 API19,856MIT
maxminddbLibrary for reading MaxMind DB format used by GeoIP2 and GeoLite226,714,471ISC
maxminddb-ufUser-friendly MaxMindDB wrapper around `maxminddb` crate5,421ISC
maxminddb-writerLibrary for writing MaxMind DB76,071MIT OR Apache-2.0
maxoxideAsync Rust library for the Max messenger Bot API551MIT
maxpreRust bindings for the (MO-)MaxSAT preprocessor MaxPre7,771MIT
maxproMaximum Projection and Maximin Latin Hypercube Design creation and optimization57MIT OR Apache-2.0
maxtimeFind the maximum mtime in a directory.2,731MIT
maxwellA crate for gathering entropy from unreliable sources3,007MIT OR Apache-2.0
maxwell-protocolMaxwell protocol implementation for Rust.2,366Apache-2.0
maxwell-utilsMaxwell utils implementation for Rust.1,280Apache-2.0
mayRust Stackful Coroutine Library159,969MIT/Apache-2.0
may-clackstylish, interactive command line prompts23,983MPL-2.0
may_actorSimple Actor library based on MAY11,214MIT/Apache-2.0
may_cpiCPI for the Mayflower program6,748MIT
may_minihttpMini http server that implemented on top of [may](https://github.com/Xudong-Huang/may)32,439MIT/Apache-2.0
may_queueMay's internal queue library121,016MIT/Apache-2.0
may_rpcRPC framework for Rust based on coroutine.10,027MIT
may_rpc_deriveRPC framework for Rust based on coroutine.7,451MIT
may_waiterSimple coroutine communication blocker23,632MIT/Apache-2.0
mayaA CLI tool to interact with Mina blockchain1,662MIT
maya-melSingle-entry Autodesk Maya MEL parsing and analysis library.189MIT
maya-sysMaya C++ API bindgen1,545non-standard
mayachain_rsMayanode REST API.4,229Unlicense
maybeAn enum similar to Option but can also represent undefined values1,921MIT OR Apache-2.0
maybe-asyncA procedure macro to unify SYNC and ASYNC implementation45,746,735MIT
maybe-async-cfgA procedure macro to unify sync and async implementations depending on the features of your crate623,797MIT
maybe-async-cfg-testsA tests for maybe-async-cfg1,029MIT
maybe-async-cfg2A procedure macro to unify sync and async implementations depending on the features of your crate3,187MIT
maybe-async-channelA channel which may or may not be async1,610MIT OR Apache-2.0
maybe-atomicVersions of atomics whose atomic-ness can be toggled.1,749MIT/Apache-2.0
maybe-backoffRetry operations with exponential backoff policy.16,608MIT/Apache-2.0
maybe-borrowMacros for conditionally returning borrowed data.2,489MIT
maybe-cellAn UnsafeCell optionally containing a value, with the state externally managed3,876MIT/Apache-2.0
maybe-dangling`ManuallyDrop<T>` and `MaybeDangling<T>` semantics in stable Rust as per https://github.com/rust-lang/rfcs/pull/3336160,092Zlib OR MIT OR Apache-2.0
maybe-debugimpl Debug for Any (via specialization)4,088MIT OR Apache-2.0
maybe-fatalPotentially fatal diagnostics and diagnostic handling for compilers72LGPL-3.0+
maybe-fatal-deriveCode generation for the maybe-fatal crate84LGPL-3.0+
maybe-futA library to build totally interoperable async/sync Rust code1,145MIT
maybe-fut-derivemaybe_fut derive crate for maybe-fut1,348MIT
maybe-fut-io-derivemaybe_fut derive crate for io maybe-fut701MIT
maybe-fut-unwrap-derivemaybe_fut derive crate for unwrap maybe-fut702MIT
maybe-futureFuture that can be None11,300Apache-2.0
maybe-implProvides support to conditionally implement one or more traits2,098MIT
maybe-multipleAn extension of `Option` which can hold none, one or multiple elements1,682Apache-2.0
maybe-onceA singleton. Maybe.7,805MIT
maybe-once-macrosA singleton. Maybe.72MIT
maybe-ownedprovides a `MaybeOwned` (and `MaybeOwnedMut`) type similar to std's `Cow` but it implements `From<T>` and `From<&'a T>` and does…26,617,101MIT OR Apache-2.0
maybe-owned-traitEither an owned or borrowed value, with type known at compile time.3,920MIT OR Apache-2.0
maybe-rayonEither acts as rayon or creates a single-threaded facade36,797,240MIT
maybe-rcFactory for creation of circular refcounted dependencies4,539MIT OR Apache-2.0
maybe-regexWrapper for strings that may be either a regex or a plain-text string1,861MIT
maybe-serdemaybe impl for serde6,893MIT
maybe-singleA singleton. Maybe.43,346MIT
maybe-stdHelper crate for writing rust libraries with an optional dependency on the standard library.12,427CC-PDDC
maybe-stringProvides a newtype wrapper that represents a byte vector that may be a valid UTF-8 string5,359MIT
maybe-syncHelper crate for libraries that want to have a switch between multi- and single-threaded versions23,857MIT OR Apache-2.0
maybe-traitAllows writing functions which are polymorphic over taking an option.307MIT OR Apache-2.0
maybe-uninitMaybeUninit for friends of backwards compatibility46,405,236Apache-2.0 OR MIT
maybe-uninit-extExtended maybe-uninit types8,358Unlicense
maybe-unwindA wrapper of catch_unwind that also captures the panic information.28,963MIT OR Apache-2.0
maybe-validTraits and outcome enums for structural validation/refinement conversions19Apache-2.0 OR MPL-2.0
maybe_atomic_refcellAtomicRefcell for debug mode and UnsafeCell in release mode5,295MIT OR Apache-2.0
maybe_boxStore arbitrary data in the size of a pointer, only boxing if necessary2,387MIT/Apache-2.0
maybe_constA Rust procedural macro to remove the const qualifier from a function, allowing it to call unconst functions.81MIT OR Apache-2.0
maybe_macroThe maybe! macro for creating options.2,051MIT
maybe_matchesProvides a macro to map enums to Option877MIT
maybe_nullA pointer type for handling potentially null values without accidental dereference3,274non-standard
maybe_parallel_iteratorToggle parallelism with feature flags!148,752MIT OR Apache-2.0
maybe_pathZero overhead static initializer for Path37,741MIT OR Apache-2.0
maybe_specialDynamic target feature specialisation macro1,511MIT OR Apache-2.0
maybe_staticInitialize a lazy static with params, create Meyer's singleton7,712MIT
maybe_utf8Byte container optionally encoded as UTF-815,340MIT
maybe_xmlXML processing library28,449MIT OR Apache-2.0
maybeiframeA simple crate to test the maybeiframe crate4,360MIT
maybenotA framework for traffic analysis defenses768,087MIT OR Apache-2.0
maybenot-cliA CLI tool for defense generation using Maybenot650MIT OR Apache-2.0
maybenot-ffiAn FFI wrapper around Maybenot359,439MIT OR Apache-2.0
maybenot-genA library to help generate and evaluate Maybenot defenses831MIT OR Apache-2.0
maybenot-machinesA collection of useful Maybenot machines (e.g., as parts of defenses)1,684MIT OR Apache-2.0
maybenot-simulatorA simulator for the Maybenot framework8,876MIT OR Apache-2.0
mayberA zero-cost enum for handling either references or owned values with a unified interface8,998MIT OR Apache-2.0
maycoonDEPRECATED!3,825MIT OR Apache-2.0
maycoon-coreDEPRECATED!5,005MIT OR Apache-2.0
maycoon-macrosDEPRECATED!4,112MIT OR Apache-2.0
maycoon-themeDEPRECATED!5,092MIT OR Apache-2.0
maycoon-widgetsDEPRECATED!4,129MIT OR Apache-2.0
maydaCompression of integer arrays, favoring decompression speed.14,897MIT/Apache-2.0
mayda_codecSeparate compilation unit for functions generated by mayda_macros11,124MIT/Apache-2.0
mayda_macrosMacros to generate basic encoding and decoding functions used by mayda12,216MIT/Apache-2.0
maydayA multi-messaging-sevice aggregator into an all-in-one application (android's app beeper-like)351MIT
maydonGenerating enumation for fields of a struct881MIT OR Apache-2.0
mayer_multipleA package to know the multiple as a result of dividing Bitcoin's 200 day moving average by the current price2,004MIT
mayflyMayfly — a multi-tenant serverless (FaaS) platform for bare-metal clusters, built in Rust on Firecracker microVMs. This crate…19Apache-2.0
mayheapAn abtraction over alloc & heapless2,693MIT
mayhemA Discord-like chat application for security, stability, speed, and ultimate customization.3,845MIT
mayhem-cliThe Pandamonium Mayhem CLI1,632MPL-2.0
mayhem-dbA Discord-like chat application optimized for security, stability, speed, and ultimate customization.
=> Database Module1,518MIT
mayhem-kernelThe Pandamonium Mayhem Kernel1,596MPL-2.0