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.

mollify-cliMollify — deterministic codebase intelligence for Python (CLI).120MIT mollify-coreAnalysis engines for Mollify: dead code, dependency hygiene, architecture, complexity, duplication, security, type health,…214MIT mollify-graphModule/symbol graph + reachability for Mollify.239MIT mollify-lspMollify Language Server — real-time diagnostics over stdio (LSP).156MIT mollify-mcpModel Context Protocol (stdio) server for Mollify — the one server every agent front-end calls.159MIT mollify-parsePython parsing for Mollify, built on Astral's ruff_python_parser/ruff_python_ast behind parser-agnostic types (see ADR-0001).260MIT mollify-typesShared serde data contract for Mollify — findings, confidence tiers, and the kind-discriminated output envelope.241MIT molluskFuture site of the Mollusk netcode framework1,984AGPL-3.0 mollusk-helperSimplified Mollusk wrapper for Solana program testing with atomic transaction support221MITCryptography::CryptocurrenciesDevelopment tools::Testing mollusk-svmSVM program test harness.225,774non-standard mollusk-svm-bencherSVM program bench harness.90,509non-standard mollusk-svm-cliMollusk CLI.9,394non-standard mollusk-svm-errorErrors thrown by the Mollusk SVM harness.214,237non-standard mollusk-svm-fuzzSVM program fuzz harness1,307MIT mollusk-svm-fuzz-fixtureMollusk-compatible fuzz fixture for SVM programs.30,110non-standard mollusk-svm-fuzz-fixture-firedancerMollusk-compatible Firedancer fuzz fixture for SVM programs.20,306non-standard mollusk-svm-fuzz-fsFilesystem management for fuzz tooling.28,381non-standard mollusk-svm-keysSVM transaction keys utils.137,956non-standard mollusk-svm-oysterSVM program harness1,349MIT mollusk-svm-programs-memoSVM program SPL Memo.17,846non-standard mollusk-svm-programs-tokenSVM program SPL Token.78,454non-standard mollusk-svm-programs-token-2022SVM program SPL Token-2022.722non-standard mollusk-svm-resultSVM program execution results and validation.174,588non-standard mollusk-test-utilsTesting utilities for mollusk-based Solana program tests41MIT/Apache-2.0 mollyA fast reader and writer for the xtc file format18,678MITParser implementationsScience mollysocketMollySocket allows getting signal notifications via UnifiedPush.13,011AGPL-3.0-or-later moloch-anchorProvider-agnostic blockchain anchoring for Moloch audit chain188MITCryptographyData structures moloch-anchor-bitcoinBitcoin OP_RETURN anchoring provider for Moloch22MITCryptographyData structures moloch-anchor-ethereumEthereum anchoring provider for Moloch22MITCryptographyData structures moloch-apiREST/WebSocket API layer for Moloch audit chain23MITCryptographyData structures moloch-chainChain operations for Moloch audit chain260MITCryptographyData structures moloch-consensusPoA consensus for Moloch audit chain103MITCryptographyData structures moloch-coreCore types and primitives for Moloch audit chain1,224MITCryptographyData structures moloch-federationMulti-chain federation for cross-chain audit trails22MITCryptographyData structures moloch-holocryptHoloCrypt integration for Moloch audit chain - encrypted events, ZK proofs, threshold access303MITCryptographyData structures moloch-indexIndexing and query layer for Moloch audit chain103MITCryptographyData structures moloch-lightLight client protocol for Moloch audit chain104MITCryptographyData structures moloch-mmrMerkle Mountain Range implementation for Moloch667MITCryptographyData structures moloch-netNetworking layer for Moloch audit chain22MITCryptographyData structures moloch-storageStorage layer for Moloch audit chain407MITCryptographyData structures moloch-verifyFormal verification and runtime invariant checking for Moloch22MITCryptographyData structures molockHigh-performance mock server for CI/CD pipelines and testing54Apache-2.0Development tools::TestingWeb programming::HTTP server moloonRFC-012: The Mirror/Time Layer. 12-Cycle Law, state persistence, and autonomous system remodeling for the Aicent Stack 2026.…194Apache-2.0 molpha-verifierSolana program library for verifying Molpha threshold-signed oracle updates58MITCryptography molprint-cliCLI tool for molecular fingerprint computation and similarity search22MITCommand line utilitiesScience molprint-coreCore molecular graph representation, SMILES parser, and ring perception416MITAlgorithmsScience molprint-fpMolecular fingerprint algorithms: Morgan/ECFP, MACCS, topological370MITAlgorithmsScience molprint-ioChemical file format I/O: SDF, SMILES files, FPS fingerprint files267MITParser implementationsScience molprint-searchSIMD-accelerated similarity metrics and bulk screening85MITAlgorithmsScience molrsA cheminformatics toolkit written in Rust.2,849MIT moltEmbeddable TCL interpreter for Rust applications15,200BSD-3-Clause molt-appMolt Shell Application8,552BSD-3-Clause molt-argparseThe argument parser generator macro for the Rust-based Tcl interpreter, Molt.2,746BSD-3-Clause molt-argparse-procmacroThe inner procedural macro for molt-argparse. Not intended to be used directly.3,562BSD-3-Clause molt-forkedEmbeddable TCL interpreter for Rust applications (personal forked)7,278MIT molt-ngEmbeddable TCL interpreter for Rust applications ()2,365BSD-3-Clause molt-registry-clientMolt WASM-aware registry client built on oci-client (OCI /v2 + /wasm/v1)216Apache-2.0API bindingsWeb programming molt-shellMolt Application Frameworks11,921BSD-3-Clause molt-wasmEmbeddable TCL interpreter for Rust applications (personal forked)4,700MIT moltarkModern software project templater with first-class support for updates and template evolution.19AGPL-3.0Development tools moltbookA terminal client for Moltbook28MIT moltbook-cliCLI for Moltbook - the social network for AI agents199MIT moltbook-tuiA TUI client for moltbook, the social network for AI Agents.69MITCommand line utilities moltenA configurable document and workflow management system39Apache-2.0 molten-apiAxum-based REST API for the Molten document and workflow management system39Apache-2.0 molten-cliThis is a reserved placeholder package to mitigate dependency confusion risks.698MIT molten-cli-utilsThis is a reserved placeholder package to mitigate dependency confusion risks.446MIT molten-configConfiguration schema parsing and validation for Molten (YAML, TOML, JSON)271Apache-2.0 molten-coreCore domain models, traits, and types for the Molten document and workflow management system531Apache-2.0 molten-documentDocument schema definitions, field types, and validation for Molten271Apache-2.0 molten-ffiThis is a reserved placeholder package to mitigate dependency confusion risks.685MIT molten-ffi-codegenThis is a reserved placeholder package to mitigate dependency confusion risks.674MIT molten-ffi-genThis is a reserved placeholder package to mitigate dependency confusion risks.692MIT molten-ffi-irThis is a reserved placeholder package to mitigate dependency confusion risks.715MIT molten-ffi-ir-parserThis is a reserved placeholder package to mitigate dependency confusion risks.674MIT molten-ffi-macroThis is a reserved placeholder package to mitigate dependency confusion risks.717MIT molten-ffi-rtThis is a reserved placeholder package to mitigate dependency confusion risks.701MIT molten-ffi-rt-rustThis is a reserved placeholder package to mitigate dependency confusion risks.727MIT molten-heraldAutomated viral tweet generation and scheduling for developer releases 📢30MIT OR Apache-2.0Command line utilitiesDevelopment tools molten-logThis is a reserved placeholder package to mitigate dependency confusion risks.705MIT molten-serviceApplication orchestration and business logic layer for Molten201Apache-2.0 molten-storage-seaormSeaORM database persistence implementation for Molten273Apache-2.0 molten-workflowWorkflow state machine engine and transition management for Molten272Apache-2.0 molten_brandDesign tokens and brand system for Molten Labs CLI tools 🔥1,400MIT OR Apache-2.0Command-line interfaceConfiguration molten_cauldronA powerful TUI framework based on The Elm Architecture 🔮29MIT OR Apache-2.0Command-line interfaceGUI molten_emberRender Markdown beautifully in the terminal 🔥37MIT OR Apache-2.0Command-line interfaceText processing molten_runeShell glamour - beautiful prompts and output for scripts 🪄29MIT OR Apache-2.0Command-line interface molten_sigilHuman-readable ANSI escape sequences for terminal styling ✨31MIT OR Apache-2.0Command-line interfaceText processing molten_smeltBeautiful, structured logging for the terminal ⚒️31MIT OR Apache-2.0Command-line interfaceDevelopment tools::Debugging molten_sparksBeautiful TUI components for Cauldron 🎇131MIT OR Apache-2.0Command-line interfaceGUI moltendbA real-time, local-first NoSQL database written in Rust.61non-standardData structuresDatabase implementations moltendb-authMoltenDB authentication — JWT, bcrypt password hashing, Axum auth middleware, UserStore.629non-standard moltendb-coreMoltenDB core engine — in-memory DashMap storage, WAL persistence, query evaluation. No HTTP, no auth.773non-standardData structuresDatabase implementations moltendb-serverMoltenDB HTTP server — Axum routing, TLS, auth, rate limiting, CORS.459non-standard moltendb-wasmMoltenDB WASM adapter — exposes the core engine to JavaScript via wasm-bindgen.431non-standard moltenvk-sysCrate to build MoltenVK dylib5,106MIT OR Apache-2.0Rendering::Graphics APIs moltenvk_depsDownloads and installs MoltenVK / VulkanSDK for macOS40,488MIT moltrunHigh-performance game engine library with AI capabilities, built on wgpu for modern 3D graphics and physics simulation391MIT OR Apache-2.0AlgorithmsGame engines molvisCLI web viewer for molecules with 3Dmol.js rendering175MITCommand line utilitiesScience molxInteractive protein structure exploration in the terminal145Apache-2.0Command line utilitiesScience molybdenumRecursive search and replace CLI application13,768EUPL-1.1 momMy Order Management is a simple e-shop for small groups and businesses.1,627MIT mom-rpcAsync RPC over AMQP, DDS, MQTT, and Redis. Transport-agnostic — switch brokers via feature flags, not code.474MIT OR Apache-2.0AsynchronousNetwork programming mom-taskTask runner for teams and individuals.5,246MITCommand line utilitiesDevelopment tools momaMoving Origin Modular Arithmetic (MOMA), a library for modeling complex systems9,433MIT OR Apache-2.0 moma_simulation_engineA Simulation engine powered by MOMA7,084MIT momba-exploreState space exploration engine for PTAs and MDPs augmented with variables.3,869MITAlgorithmsData structures momba-sidekickA command line tool directly exposing some model related functionality.1,660MITScience momba-vmA VM for Momba's compiled model representation.1,416MITAlgorithmsData structures momenlow overhead thread pool3,978AGPL-3.0-or-laterConcurrency momentMoment.js for Rust1,899MIT moment-rsA date/time library to parse, validate, manipulate and format dates, inspired by luxon/moment.js2,707MIT OR Apache-2.0Date and time momentaA framework for building element level reactive ui2,057MITTemplate engineWeb programming momenta-coreCore types and utilities for Momenta framework1,153MITTemplate engineWeb programming momenta-domDOM rendering extensions for Momenta framework934MITWebAssemblyWeb programming momenta-macrosProcedural macros for momenta, providing JSX-like syntax for Rust2,571MITDevelopment tools::Procedural macro helpersTemplate engine momenta-routerRouting library for momenta framework330MITWeb programming momenta-ssrServer-side rendering utilities for Momenta75MITTemplate engineWeb programming momentoClient SDK for Momento services139,409Apache-2.0 momento-ddb-interceptorMomento extension for DynamoDB client49Apache-2.0 momento-functionsSupport crate for Momento Functions6,874Apache-2.0Web programming momento-functions-aws-authHost interfaces for AWS authentication616Apache-2.0Web programming momento-functions-aws-ddbHost interfaces for AWS DynamoDB interactions102Apache-2.0Web programming momento-functions-aws-s3Host interfaces for AWS S3 interactions460Apache-2.0Web programming momento-functions-aws-secrets-managerHost interfaces for AWS Secrets Manager interactions152Apache-2.0Web programming momento-functions-bytesoff-guest buffer management1,329Apache-2.0Web programming momento-functions-cacheHost interfaces for Cache interactions276Apache-2.0Web programming momento-functions-cache-listHost interfaces for Cache list interactions266Apache-2.0Web programming momento-functions-collections-commonCommon types for Momento Cache collection interfaces343Apache-2.0Web programming momento-functions-guest-spawnGuest bindings for Momento Spawn Functions523Apache-2.0Web programming momento-functions-guest-webGuest bindings for Momento Web Functions580Apache-2.0Web programming momento-functions-hostHost interface support crate for Momento Functions7,685Apache-2.0Web programming momento-functions-host-logLog adapter for Momento Functions285Apache-2.0Web programming momento-functions-httpHost interfaces for making HTTP requests from Momento Functions253Apache-2.0Web programming momento-functions-logLog adapter for momento Functions7,203Apache-2.0Web programming momento-functions-tokenHost interfaces for Momento Token generation275Apache-2.0Web programming momento-functions-topicHost interfaces for Momento topic interactions224Apache-2.0Web programming momento-functions-valkeyHost interfaces for Valkey cluster interactions135Apache-2.0Web programming momento-functions-witInternal support crate for Momento Functions7,900Apache-2.0Web programming momento-protosGenerated GRPC and Protocol Buffers types for Momento clients295,832Apache-2.0Web programming momentumA simple wrapper for the Momentum API3,022MITAsynchronousConcurrency momiA simple CLI tool to create your minutes of meeting4,869MIT momijiPlaceholder for Momiji — an opinionated Ruby implementation in Rust. Name reserved; not yet usable.19MIT OR Apache-2.0Compilers mommy-rsmommy can now support you with 🪖type-safety🪖 and 🚀blazingly-fast🚀 speed~ ❤️1,579non-standard momoA procedural macro to de-monomorphize generic methods4,208Apache-2.0Development toolsRust patterns momo-rsA high-performance, atomic-free asynchronous runtime optimized for thread-local affinity.26MITAsynchronousEmbedded development momo-rs-coreCore task scheduling and executor for the Momo runtime.183MIT momo-rs-driverNon-blocking I/O reactor driver for the Momo runtime.90MIT momo-rs-macrosProcedural macros for the Momo runtime.57MIT momo-rs-netAsync TCP and UDP networking for the Momo runtime.59MIT momo-rs-syncSynchronization primitives and channels for the Momo runtime.57MIT momo-rs-timeHierarchical timer wheel and time management for the Momo runtime.57MIT momoaA JSON parsing library suitable for static analysis9,454Apache-2.0 momoden-passwordNES Momotarou Densetsu (J) password library2,215GPL-3.0-onlyGames momoisayMomoisay is a CLI program like cowsay, but instead of a talking cow, it's Saiba Momoi from Blue Archive!1,737GPL-3.0 momokaThe momoka rs client5,041MIT momtropSimple rust crate for tropical sampling in momentum space2,904MIT monRust driver for MongoDB37,068MIT mon-artistRender ASCII art to SVG, with user-customizable rendering rules.5,557MIT/Apache-2.0 mon-coreA robust parser and validator for the Mycel Object Notation (MON) language, designed for fast, efficient, and human-friendly…250MITConfigurationParser implementations mon-toolsCommand-line interface for Mycel Object Notation - a type-safe configuration language50AGPL-3.0-or-laterCommand line utilitiesConfiguration monaTransform nested container types2,368MITAlgorithms monacoRust WASM bindings for the Monaco Editor12,483MIT OR Apache-2.0API bindingsText editors monaco-editor-textmate-webA helper to register TextMate grammars with the Monaco Code Editor in Rust1,551MITExternal FFI bindingsText processing monaco-grpc-sdkTyped Rust gRPC client SDK for the Monaco Exchange API — generated from Protocol Buffer definitions1,437MITAPI bindingsNetwork programming monaco-sdkTyped Rust client for the Monaco REST API — generated from the OpenAPI specification574MITAPI bindingsWeb programming::HTTP client monaco-vscode-servervscode server backend for codingame monaco-vscode-api569MITDevelopment toolsWeb programming monacoinGeneral purpose library for using and interoperating with Monacoin and other cryptocurrencies.3,027CC0-1.0 monadStackless monads in Rust5,529MIT monad-aiExperimental monadic architecture runner for autonomous AI.503MITCommand line utilities monad-monitorA lightweight TUI monitor for Monad nodes122MITCommand line utilitiesVisualization monad-revmMonad-specific REVM implementation747MITCryptography::Cryptocurrencies monad_macrosStackless monads in Rust6,644MIT monadbEmbedded document database with a SQL dialect compiled to stack-based bytecode17Apache-2.0Database interfacesParser implementations monade-mprocsA fork of the popular mprocs utility, includable via cargo as a library6,008MITCommand-line interfaceCommand line utilities monadicmacros to define Haskell style monadic action blocks for IntoIterators, Reader, Writer, State, and macros for the transformers…78,236MIT monadic-traitsFunctor, Applicative and monad traits + nightly Try/? support44MITAlgorithmsRust patterns monadifyA library for functional programming abstractions in Rust, focusing on Monads, Functors, Applicatives, and related concepts.1,150MITRust patterns monadify-macrosProcedural `mdo!` do-notation macro for the monadify crate.27MIT monadlisaMonadLisa473MIT OR Apache-2.0Command line utilitiesEncoding monadsmonads1,551MIT OR Apache-2.0 monads_aiExperimental monadic architecture runner for autonomous AI.494MITCommand line utilities monagementTLSF Memory Management208Apache-2.0 monal-zeusUtility application for setting up and deploying services1,640MITCommand line utilitiesDevelopment tools monarcMain crate of the MONARC backend framework (early WIP)36MPL-2.0 monarchA (currently) barebones metamorphic testing utility1,809MIT OR Apache-2.0Development tools::Testing monarch-butterflyProc-Macro unrolled FFTs3,729MITAlgorithmsScience monarch-cellImplementation of a single writer multiple readers cell of memory for non atomic types59MIT OR Apache-2.0 monarch-dbA simple SQLite DB Migration system1,423MIT monarch-deriveProc-Macro unrolled FFTs2,778MIT monarch-mcpMonarch Money MCP server — an agentic budgeting companion (read + categorize only)171MIT OR Apache-2.0API bindingsCommand line utilities monarch-wasmCuckoo Search-Enabled Task Scheduling and Cache Updating in Vehicular Edge-Fog Computing Article Operations359MITWebAssembly monarch2A driver crate for the Sequans Monarch 2 Platform chips.885Apache-2.0Embedded developmentNo standard library monarch_coreCore functionality for the Monarch library24MITRust patterns monarch_dataData types and utilities handling37MITData structures monarch_simA framework for complex systems modelling1,633GPL-3.0-only monarchic-agent-protocolShared protocol types for Monarchic AI425LGPL-3.0-only monatqApproximate quantile tracking for tensors using T-Digest, with element-wise parallel updates67Apache-2.0MathematicsScience monavec-coreUltra-low resource embedded vector search kernel for edge AI17MIT OR Apache-2.0AlgorithmsData structures moncRead And Write Bedrock NBT1,544Apache-2.0Encoding