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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.

qualified_do_macroCore macro implementation for qualified_do13,465MIT qualified_do_proptestProptest integration for qualified_do, enabling alternative sytnax for prop_compose!1,616MIT qualifierDeterministic quality annotations for software artifacts124MIT OR Apache-2.0 Command line utilities Development tools qualifier_attrProcedural macro attributes for adding "qualifiers" (pub, async, unsafe, const, extern "C", ...) to various items.8,368,647MIT OR Apache-2.0 Rust patterns qualifiersConditionally add qualifiers to item definitions458BlueOak-1.0.0 Rust patterns qualify-deriveSimple utility for wrapping derive macros that do not qualify paths properly4,147Apache-2.0 qualinvestA cloud based tool for quantitative analysis and management of financial asset portfolios2,855MIT OR Apache-2.0 qualinvest_cliCommand line executable of the qualinvest project6,789MIT OR Apache-2.0 qualinvest_coreCore library of the qualinvest project9,321MIT OR Apache-2.0 qualirsStructural and architectural code smell detector for Rust44MIT qualisys_rust_sdkRust SDK foundation for the Qualisys QTM real-time protocol16MIT OR Apache-2.0 Network programming Science::Robotics quality-gateAggregates cargo/clippy/test/fmt/bench pass-fail into a single gate23MIT quality-timeCommand line tool to generate actionable metrics for priorizing refactors on your rust project1,544MIT OR Apache-2.0 Command line utilities Development tools qualnameSupport for XML Namespaces Qualified Name9,575Apache-2.0 Parser implementations qualomat_schemaRust bindings for the *Qual-O-Mat* open data format for the german voting advice tool *Wahl-O-Mat*1,483AGPL-3.0-or-later API bindings Data structures qualysxqualys serializer & deserializer1,523GPL-3.0-only quaminaFast pattern-matching library for filtering JSON events3,960Apache-2.0 Algorithms Text processing quancoms-coreThe high-performance core engine for Quancoms quantum simulator.54MIT Emulators Science quandlA rust library for calling the Quandl API.4,383MIT/Apache-2.0 quandl-v3Rust bindings for the Quandl v3 API.8,993MPL-2.0 quant(Not ready to use yet) A library that makes it easy to work w/ Dimensions, Units, and Physical Quantities.7,070MIT quant-codec-coreShared codec/profile/shape/eval traits and typed IDs for governed compression experiments38MIT OR Apache-2.0 quant-evalCompression and semantic search evaluation benchmark suite — codec admissibility, compression ratios, and retrieval quality43MIT Development tools quant-governorGovernance policy routing for governed compression — codec selection with admissibility classes and degradation receipts118MIT quant-indicatorsPure indicator math library for trading — MA, RSI, Bollinger, MACD, ATR, HRP53MIT Algorithms Finance quant-ironA high-performance, hardware-accelerated modular quantum computing library with a focus on physical applications. Quant-Iron…2,942MIT Science quant-mathemaLibrary of functions and primitives for quantative finance.813Apache-2.0 quant-metricsPure performance statistics library for trading — Sharpe, Sortino, drawdown, VaR, portfolio composition22MIT Algorithms Finance quant-optsHigh-performance Rust library for option pricing and risk80MIT quant-primitivesPure trading primitives — candles, intervals, symbols, currencies, asset taxonomy85MIT Algorithms Finance quant-rsLibrary for common quant math written in Rust1,619MIT quant-suiteA project aimed at creating tools for auto-trading, back-testing, and market analysis.1,571MIT quant-system-coreCore trading domain — execution, normalized intent, management policy, sizing, and currency conversion16MIT OR Apache-2.0 Finance quant1xCross-language standard library for quantitative trading5,088MIT quant_marketstat_wsA Rust-based CLI app for quantitative financial analysis (VWAP, STD, etc)2,985MIT Command line utilities Finance quantahigh-speed timing library129,383,069MIT quanta-userspaceUserspace for quanta1,585non-standard quanta-wasmWASM bindings for QuantaChain PQC wallet operations90Apache-2.0 quantacipher-coreZero-trust PQC (Kyber) encryption core18MIT quantacore-sdkRust bindings for the QUAC 100 Post-Quantum Cryptographic Accelerator29LicenseRef-Proprietary API bindings Cryptography quantalangDEPRECATED - renamed to `buildlang`. Install with `cargo install buildlang` (binary: buildc).64non-standard Compilers Development tools quantaxis-rsquantaxis in rust4,259MIT OR Apache-2.0 Algorithms Science QuantCryptLibrary for post-quantum cryptography and PKI2,236Apache-2.0 OR MIT Algorithms Cryptography quantedge-coreCore types shared across the quantedge crates703MIT OR Apache-2.0 Finance quantedge-strategyTrait surface and test harness for writing market-signal generators in the quantedge ecosystem20MIT OR Apache-2.0 Finance quantedge-taA streaming technical analysis library for Rust1,098MIT OR Apache-2.0 Algorithms Finance quantetteFast and high quality image quantization and palette generation.508,859MIT OR Apache-2.0 Multimedia::Images quantforgeDeterministic CLI-first market data ingestion, backtesting, and controlled live trading framework in Rust.39MIT Command line utilities Finance quantfreeA library for quant incargo Rust!1,578MIT OR Apache-2.0 quanticA game engine written in rust for rust and compiles to wasm1,590MIT OR Apache-2.0 quanticaPure-Rust post-quantum cryptography: FIPS 203 ML-KEM, FIPS 204 ML-DSA, and FIPS 205 SLH-DSA. First-order arithmetic masking,…15Apache-2.0 Cryptography Embedded development quanticsgridsQuantics grid structures for efficient conversion between quantics, grid indices, and original coordinates25MIT OR Apache-2.0 quantifiable-deriveThe derive macro of the quantifiable trait in the caminos-lib crate.3,879MIT/Apache-2.0 quantifiedSpecify the universe: None, Some, Excluding, and All2,896MIT No standard library Rust patterns quantifierPattern matching of generic types, similar to regex quantifiers37MIT quantifyOn hold for upcoming quantitative research project.1,584MIT quantifyspaceQuantitative analysis methods1,490MIT quantik-coreHigh-performance Quantik board game engine: bitboard state, QFEN notation, canonical symmetry-reduced keys, and…36MIT Algorithms Game development quantilesa collection of approximate quantile algorithms1,061,297MIT quantiquePragmatic geometric algebra core with runtime signatures.525MIT OR Apache-2.0 quantiseq-rustPure-Rust port of quanTIseq (Finotello et al. 2019) immune-cell deconvolution — constrained least squares against the TIL10…18GPL-3.0-or-later Science quantitiesUnit-safe computations with quantities.67,177non-standard Data structures Mathematics quantityRepresentation of quantites, i.e. of unit valued scalars and arrays.53,445MIT OR Apache-2.0 Data structures Science quantixA Rust library for quantitative finance, portfolio analysis, strategies, and backtesting.21MIT Finance Mathematics quantizeA simple quantization library.27MIT Mathematics Science quantize-rsNeural network quantization toolkit for ONNX models166MIT Command line utilities Compression quantize_paletteSnap images onto a fixed color palette in Oklab space, with optional dithering20MIT OR Apache-2.0 Command line utilities Graphics quantized-density-fieldsRust implementation of Quantized Density Fields data structure.18,841MIT Data structures Science quantized-meshEncoder and decoder for Cesium quantized-mesh-1.0 terrain format479MIT OR Apache-2.0 Encoding Graphics quantized-mesh-decoderRust decoder for the Quantized Mesh format1,588MIT quantized-pathfindingQuantization before pathfinding1,050BSD-3-Clause quantizerquantizer1,736MIT quantizrFast library for converting RGBA images to 8-bit palette images7,632non-standard quantleaf-query-sdkModel definitions for Quantleaf Query12,500MIT quantleaf-testModel definitions for Quantleaf Query4,495MIT quantletQuantLET is an open source, event-driven framework for rapid development and deployment of real-time analytical models intended…58non-standard Algorithms Data structures quantlet-agentsSynchronous and asynchronous agentic discrete-event simulation. This is related to the distribution and simulation facets defined…130non-standard Algorithms Data structures quantlet-bigdataSupport for reactive use cases that must reply on very large data: infinite reactive graphs (infinite spreadsheets) associated to…130non-standard Algorithms Data structures quantlet-reactivesA declarative paradigm that allows the definition of what has to be done through reactive relationships, letting the…130non-standard Algorithms Data structures quantlet-streamsQuantLET elements of stream processing (filtering, grouping, selection, functional operations) on canonical and data frames…132non-standard Algorithms Data structures quantlibThe quantitative finance libary for rust.3,164MIT quantmathA library of quantitative maths and a framework for quantitative valuation and risk1,958MIT quantogramApproximate quantiles using histograms with logarithmically sized bins to guarantee worst case absolute relative error.22,949non-standard Mathematics quantom_valueDeterministic, observer-relative post-quantum value and cryptographic primitives beyond classical consensus28MIT OR Apache-2.0 quantorDeclarative quantifiers for filtering, validation, and testing in Rust.2,512MIT OR Apache-2.0 Algorithms Data structures quantoxideRust framework for developing, backtesting, and deploying Bitcoin futures trading strategies.1,702Apache-2.0 Cryptography::Cryptocurrencies Finance quantpilerСompiler of classical algorithms into oracles for quantum computing1,552AGPL-3.0-or-later Compilers Science quantrCreate and simulate gate-based quantum circuits.19,992EUPL-1.2 Science Simulation quantreQuant wheels reinvented in Rust.79MIT Finance Simulation quantrsA tiny Rust library for quantitative finance6,374MIT OR Apache-2.0 Algorithms Finance quantrs2Comprehensive Rust quantum computing framework - unified entry point for quantum simulation, algorithm development, and hardware…1,378Apache-2.0 Science Simulation quantrs2-annealQuantum annealing support for the QuantRS2 framework3,778Apache-2.0 Algorithms Science quantrs2-circuitQuantum circuit representation and DSL for the QuantRS2 framework4,684Apache-2.0 Science Simulation quantrs2-coreCore types and traits for the QuantRS2 quantum computing framework5,064Apache-2.0 Science Simulation quantrs2-deviceQuantum device connectors for the QuantRS2 framework3,280Apache-2.0 Hardware support Science quantrs2-mlQuantum Machine Learning module for QuantRS22,676Apache-2.0 Algorithms Science quantrs2-simQuantum circuit simulators for the QuantRS2 framework3,897Apache-2.0 Science Simulation quantrs2-symengineSymbolic Computation in Rust via SymEngine1,309MIT OR Apache-2.0 Mathematics Science quantrs2-symengine-purePure Rust symbolic mathematics for quantum computing - a replacement for C++-based symengine671Apache-2.0 Mathematics Science quantrs2-symengine-sysLow level bindings to the symengine library (fixed for macOS)1,574MIT OR Apache-2.0 External FFI bindings Mathematics quantrs2-tytanHigh-level quantum annealing interface inspired by Tytan for the QuantRS2 framework3,162Apache-2.0 Algorithms Science quantsimA quantum circuit simulator ecosystem589MIT OR Apache-2.0 Science Simulation quantsim_coreA quantum circuit simulator949MIT OR Apache-2.0 Science Simulation quantsim_uiA web-based GUI for the quantsim quantum circuit simulator.788MIT OR Apache-2.0 GUI Science quantstats-rsRust implementation of QuantStats-style performance tear sheets with SVG charts and HTML reports.62MIT Data structures Finance quantsupportRust library for derivative pricing and risk analytics.74MIT Finance Science quanttide-agent量潮智能体工具箱 — 数据模型与 LLM 客户端483MIT quanttide-devopsQuantTide DevOps toolkit — 契约驱动的 DevOps 治理工具库663Apache-2.0 quanttide-think量潮认知工程Rust工具箱 — 数据模型（想法、意图、情境、图式）117MIT quantumAdvanced Rust quantum computer simulator.4,729MIT Quantum-DAWqs1,839CC-BY-NC-ND-4.0 quantum-entanglerRhythm as Code2,853MIT quantum-mcBlank Description2,299GPL-3.0 quantum-mechanicsQuantum mechanics1,469MIT quantum-pulseA lightweight, customizable profiling library for Rust with support for custom categories and percentile statistics3,871MIT OR Apache-2.0 Development tools::Debugging Development tools::Profiling quantum-pulse-macrosProcedural macros for the quantum-pulse profiling library1,681MIT OR Apache-2.0 Development tools Development tools::Profiling quantum-rsThis project is aimed at providing a quantum computing library written in Rust.1,513MIT quantum-sdkRust client SDK for the Quantum AI API167MIT API bindings Web programming::HTTP client quantum-shieldHybrid post-quantum cryptography: X25519 + ML-KEM-1024 encryption and Ed25519 + ML-DSA-87 signatures292MIT Cryptography quantum-signQuantum-Sign: post-quantum signatures, format, policy, and CLI in one crate1,667MIT OR Apache-2.0 Cryptography quantum-simSimple Quantum Simulator for Rust303MIT OR Apache-2.0 Science quantum-soft-keyboardSoftware keyboard remapper inspired by QMK.1,630MIT OR Apache-2.0 quantum-wormA quantum-resistant secure file transfer system.1,206MIT quantum2Advanced Rust quantum computer simulator, forked from "quantum".1,738MIT quantum_cryptographic_toolkitA toolkit for developing, testing, and deploying quantum-resistant cryptographic algorithms.3,286MIT Cryptography quantum_ledger_2026quantum_ledger_2026 - Rust utility tool8MIT OR Apache-2.0 quantum_ledger_2026_plusQuantum ledger with enhanced features10MIT OR Apache-2.0 quantum_libA Rust library for blockchain with quantum-enhanced properties.1,750MIT OR Apache-2.0 quantum_logHigh-performance asynchronous logging framework based on tracing ecosystem722Apache-2.0 Development tools::Debugging quantum_nutritionA quantum-inspired nutrition tracker13MIT OR Apache-2.0 quantum_randomThis is the rust implementation of the ANU Quantum Random Number System. You can easily generate an arbitrary number of u8's,…2,067AGPL-3.0-only Quantum_Soundq1,827CC-BY-NC-ND-4.0 quantum_state_simA quantum circuit simulator3,378MIT OR Apache-2.0 quantum_world_statein-ram database with relationships between elements inspired by quantum superposition and entanglement1,724MIT OR Apache-2.0 Algorithms Data structures quantumapiOfficial Rust SDK for QuantumAPI - European quantum-safe encryption and identity platform61MIT API bindings Authentication quantumclawSingle-crate public API for the QuantumClaw agent runtime built on ZeroClaw.19MIT quantumcryptlibPost-quantum secure communication primitives using Kyber KEM and AEAD29MIT Cryptography QuantumDAWqs1,831CC-BY-NC-ND-4.0 quantumgravityRust implementation of Gravity1,809AGPL-3.0 quantumlibquantumlib1,451BSD-3-Clause QuantumOfficialq1,857CC-BY-NC-ND-4.0 QuantumRandomThis is the rust implementation of the ANU Quantum Random Number System. You can easily generate an arbitrary number of u8's,…7,280AGPL-3.0-only QuantumSoundq1,902CC-BY-NC-ND-4.0 QuantumTimeSandwich-iteratorsIterators for tensor product matrix multiplication26MIT QuantumTimeSandwich-macrosA procedural macro for QuantumTimeSandwich25MIT quantus-cliCommand line interface and library for interacting with the Quantus Network2,499Apache-2.0 API bindings Command line utilities quantus-miner-apiAPI definitions for communication between Quantus node and external miners1,127MIT-0 API bindings Data structures quantus_plonky2Recursive SNARKs based on PLONK and FRI1,843MIT OR Apache-2.0 Cryptography quantus_plonky2_fieldFinite field arithmetic2,149MIT OR Apache-2.0 Cryptography quantwaveA high-performance, Polars-native technical analysis library for Rust.381MIT Mathematics Science quantwave-backtestVectorized portfolio simulation engine for QuantWave (Polars long-format, basic costs/slippage, rich signal struct support…119MIT Mathematics Science quantwave-coreA high-performance, Polars-native technical analysis library for Rust.770MIT Mathematics Science quantwave-pluginsPolars expression plugins for quantwave342MIT Mathematics Science quantwave-polarsA high-performance, Polars-native technical analysis library for Rust.536MIT Mathematics Science quantzPlaceholder crate for future use472MIT quantz-ml-dsaPlaceholder crate for future use474MIT quantz-ml-kemPlaceholder crate for future use476MIT quantz-sha3Placeholder crate for future use479MIT quantz-slh-dsaPlaceholder crate for future use476MIT quaoarAn interpreter for the quaoar programming language.1,750non-standard quarantinequarantine4,016MIT quarbQuery engine for arbors (tree-spanned graphs)803MIT OR Apache-2.0 Data structures Parser implementations quarb-ageApache AGE (openCypher in PostgreSQL) adapter for the Quarb query engine0MIT OR Apache-2.0 API bindings Database interfaces quarb-arangodbArangoDB adapter for the Quarb query engine0MIT OR Apache-2.0 API bindings Database interfaces quarb-archiveZip and tar archive adapter for the Quarb query engine209MIT OR Apache-2.0 Filesystem Parser implementations quarb-athenaAmazon Athena adapter for the Quarb query engine — the S3 datalake's query layer on the shared relational model8MIT OR Apache-2.0 API bindings Database interfaces quarb-atrepAtrep semantic-document adapter for the Quarb query engine95MIT OR Apache-2.0 Parser implementations Text processing quarb-awsShared AWS plumbing for the Quarb adapters: SigV4 signing and the credential chain12MIT OR Apache-2.0 API bindings Authentication quarb-bigqueryGoogle BigQuery adapter for the Quarb query engine172MIT OR Apache-2.0 API bindings Database interfaces quarb-cborCBOR adapter for the Quarb query engine61MIT OR Apache-2.0 Database interfaces Encoding quarb-codeSource-code AST adapter for the Quarb query engine (tree-sitter)236MIT OR Apache-2.0 Development tools Parsing tools quarb-composeAdapter composition: parseable leaf content grafts an inner arbor226MIT OR Apache-2.0 Data structures quarb-cosmosAzure Cosmos DB adapter for the Quarb query engine8MIT OR Apache-2.0 API bindings Database interfaces quarb-csvCSV adapter for the Quarb query engine223MIT OR Apache-2.0 Encoding Parser implementations quarb-datastoreGoogle Datastore adapter for the Quarb query engine152MIT OR Apache-2.0 API bindings Database interfaces quarb-duckdbDuckDB adapter for the Quarb query engine171MIT OR Apache-2.0 Database interfaces quarb-dynamodbAmazon DynamoDB adapter for the Quarb query engine8MIT OR Apache-2.0 API bindings Database interfaces quarb-falkordbFalkorDB graph adapter for the Quarb query engine0MIT OR Apache-2.0 API bindings Database interfaces quarb-firebaseFirebase Realtime Database adapter for the Quarb query engine151MIT OR Apache-2.0 API bindings Database interfaces quarb-firestoreGoogle Firestore adapter for the Quarb query engine151MIT OR Apache-2.0 API bindings Database interfaces quarb-fsFilesystem adapter for the Quarb query engine199MIT OR Apache-2.0 Filesystem Parser implementations quarb-gitGit repository adapter for the Quarb query engine197MIT OR Apache-2.0 Development tools Parser implementations quarb-githubGitHub API adapter for the Quarb query engine80MIT OR Apache-2.0 API bindings Database interfaces quarb-gitlabGitLab API adapter for the Quarb query engine82MIT OR Apache-2.0 API bindings Database interfaces quarb-gsheetGoogle Sheets adapter for the Quarb query engine152MIT OR Apache-2.0 API bindings quarb-htmlHTML adapter for the Quarb query engine259MIT OR Apache-2.0 Parser implementations Web programming quarb-imapIMAP mailbox adapter for the Quarb query engine156MIT OR Apache-2.0 Email quarb-jqjq importer: translate jq filters to Quarb queries154MIT OR Apache-2.0 Parser implementations quarb-jsonJSON adapter for the Quarb query engine319MIT OR Apache-2.0 Encoding Parser implementations quarb-kafkaApache Kafka adapter for the Quarb query engine8MIT OR Apache-2.0 API bindings Database interfaces quarb-kaivkaiv typed-data adapter for the Quarb query engine155MIT OR Apache-2.0 Encoding Parser implementations quarb-kubernetesKubernetes API adapter for the Quarb query engine82MIT OR Apache-2.0 API bindings Database interfaces quarb-kuzuKùzu embedded graph database adapter for the Quarb query engine0MIT OR Apache-2.0 API bindings Database interfaces quarb-ldapLDAP directory adapter for the Quarb query engine62MIT OR Apache-2.0 Database interfaces Network programming quarb-maildirMaildir and mbox adapter for the Quarb query engine149MIT OR Apache-2.0 Email quarb-markdownMarkdown adapter for the Quarb query engine225MIT OR Apache-2.0 Parser implementations Text processing quarb-memgraphMemgraph (Bolt) adapter for the Quarb query engine0MIT OR Apache-2.0 API bindings Database interfaces quarb-metathecaMetatheca vault adapter for the Quarb query engine114MIT OR Apache-2.0 Database interfaces Development tools quarb-mongodbMongoDB adapter for the Quarb query engine80MIT OR Apache-2.0 API bindings Database interfaces quarb-mountMount adapter for the Quarb query engine: compose adapters under one root208MIT OR Apache-2.0 Data structures