All 305,250 crates, alphabetically

qudag-cliCommand-line interface for QuDAG - Manage nodes, peers, dark addresses, rUv token exchange, and business plan payouts4,135MIT OR Apache-2.0Command line utilities qudag-cryptoQuantum-resistant cryptography library for QuDAG - includes ML-KEM-768, ML-DSA, HQC, and BLAKE36,467MIT OR Apache-2.0Cryptography qudag-dagDAG consensus implementation for QuDAG - QR-Avalanche algorithm with Byzantine fault tolerance5,173MIT OR Apache-2.0AlgorithmsData structures qudag-exchangeQuDAG Exchange: Quantum-resistant token exchange with rUv (Resource Utilization Voucher) system575MITCryptographyFinance qudag-exchange-coreCore QuDAG Exchange library with quantum-resistant rUv token system2,597MITCryptographyFinance qudag-exchange-standalone-cliStandalone command-line interface for QuDAG Exchange with rUv tokens1,252MIT OR Apache-2.0Command line utilitiesCryptography qudag-mcpModel Context Protocol (MCP) server for QuDAG - Integrates vault, exchange, and quantum-resistant operations2,593MIT OR Apache-2.0Development toolsNetwork programming qudag-networkP2P networking layer for QuDAG - LibP2P with onion routing, dark addressing, and quantum encryption4,690MIT OR Apache-2.0Network programming qudag-protocolProtocol implementation for QuDAG - Orchestrates crypto, DAG, and network components3,835MIT OR Apache-2.0Network programming qudag-vault-coreQuantum-resistant password vault library with post-quantum cryptography4,218MIT OR Apache-2.0AuthenticationCryptography qudag-wasmWASM bindings for QuDAG - Quantum Ultra-Fast Distributed Acyclic Graph533MIT OR Apache-2.0CryptographyNetwork programming qudit-circuitAccelerated and Extensible Quantum Library250BSD-3-ClauseCompilersData structures qudit-coreAccelerated and Extensible Quantum Library632BSD-3-ClauseCompilersData structures qudit-exprAccelerated and Extensible Quantum Library504BSD-3-ClauseCompilersData structures qudit-instAccelerated and Extensible Quantum Library111BSD-3-ClauseCompilersData structures qudit-macrosAccelerated and Extensible Quantum Library279BSD-3-ClauseCompilersData structures qudit-tensorAccelerated and Extensible Quantum Library381BSD-3-ClauseCompilersData structures qudokuShamir Secret Sharing implementation, including a novel nested threshold secret system to complement existing SSS groups.2,875Unlicense qudpHigh-performance UDP encapsulation for QUIC7,413Apache-2.0AsynchronousNetwork programming queA high performance channel with optional backpressure, interprocess capability, and a multiconsumer mode.9,474Apache-2.0 queca simple text editor7,419GPL-3.0-onlyText editors quectel-bg77Driver for Quectel's BG77 and BG770 eMTC and NB-IoT Modems5,152OLFL-1.3Embedded developmentHardware support quectel-bg9x-atatAsync, no_std atat driver for Quectel BG9x (BG95/BG96) cellular modems30MIT OR Apache-2.0AsynchronousEmbedded development quectel-bg9x-eh-driverRust embedded-hal driver for the Quectel BG9X cellular modems4,464MITEmbedded development quectoclawQuectoClaw — Ultra-efficient AI assistant in Rust25Apache-2.0Command line utilitiesDevelopment tools queeQuee is a contract-driven message queue for distributed system1,677GPL-3.0 queenmessage queue125,992MIT queen-cliChatGPT CLI1,502MITCommand line utilities queen-coreserver1,962MIT queen-ioI/O library for Rust34,300MIT queen-loglog17,531MIT queen_searchelasticsearch adpater for dramaverse queen4,008MIT queens-edictCLI tool to play the Queen's Edict in the Delubrum Reginae (Savage)2,855MIT OR Apache-2.0Command line utilities queens-rockQR codes scanner4,086MIT queequegI need this for reasons1,934Fair quefrencyComputing cepstrum675BSD-3-Clause OR Apache-2.0AlgorithmsScience quelchIngest data from Jira, Confluence, and more directly into Azure AI Search288MITCommand line utilities quelthalasFluent UI 2-styled reimplementations of classic Win32 controls, drawn with Direct2D/DirectWrite.92MITGUIOperating systems::Windows APIs quenchA programming language.11,435MITCommand line utilitiesCompilers quepaxaA Rust library for quepaxa, a fictional project.17Apache-2.0 querableQuer(y)able data structure implementation.3,093MITData structures quercusEasy to use CLI tree for your branchy info.965MIT OR Apache-2.0Command-line interfaceCommand line utilities querent-rsA rust bridge capable of handling and executing querent workflows and be able to respond to incoming events via callbacks27,580Apache-2.0 querent-synapseA rust bridge capable of handling and executing querent workflows and be able to respond to incoming events via callbacks. Acting…33,052Apache-2.0 queriable_storagequeriable_storage is a create that provides the QueriableDataStore that can be queried by multiple filters.3,133MIT queriesA library to make managing SQL queries easy1,113BSD-3-Clause queries-deriveA library to make managing SQL queries easy1,361BSD-3-Clause queries_for_sqlxcomposible sql query builder, with support of binding into query buffer2,314MIT querioStruct based string builder2,203MIT OR Apache-2.0 querio_deriveDerive macro for querio2,872MIT OR Apache-2.0 querio_redisgraphRedisGraph native io for querio2,264MIT OR Apache-2.0 querqleA small library made to perform sql queries thru the odbc-api library, and convert the results directly into data structures.1,239MIT querunRun querio structs on a redisgraph server2,803MIT OR Apache-2.0 querun_deriveDerive macros for querun2,207MIT OR Apache-2.0 queryquery is a simplistic single-table database library4,310GPL-3.0 query-curveA Rust library for querying custom Bezier curves, compatible with curves created at https://querycurve.com.1,078MITFinanceGame development query-flowA high-level query framework built on whale for incremental computation.2,507MIT OR Apache-2.0 query-flow-inspectorFlow Inspector: Tracing and observability for query-flow419MIT OR Apache-2.0 query-flow-macrosProcedural macros for query-flow.1,867MIT OR Apache-2.0Development tools::Procedural macro helpers query-fmtA formatter for tree-sitter queries1,584MIT OR Apache-2.0 query-forgeRun SQL queries and dataset diffs on XLSX/XML/CSV/JSON/JSONL/Markdown/HTML/Feather/Parquet inputs and export results as text,…122MITCommand line utilitiesDatabase interfaces query-fuseAn interactive SQL query engine for local columnar files (Parquet, Arrow, Feather)47MITCommand line utilitiesDatabase interfaces query-graphA concurrent incremental query dependency graph system.2,775non-standard query-keyboardSimple CLI tool to check which keys are pressed2,755UnlicenseCommand line utilities query-langQuery-based incremental compilation framework.33Apache-2.0 OR MITCachingCompilers query-liteA convenient SQL query builder for rusqlite with HTTP query parameter parsing support1,373MITDatabase interfacesWeb programming query-params-deriveRust macro to automatically implement the serialization to http query parameters for arbitrary structs.4,353MITDevelopment tools query-params-macroA procedural macro for easy use of arbitrary structs as query parameters in Hyper34,126MITNetwork programmingRust patterns query-params-serializeQuery parameters serde serializer.4,423GPL-3.0 query-params-traitQuery parameters trait.5,676GPL-3.0 query-parserA library to parse search queries8,0620BSDCommand-line interfaceParsing tools query-rangeThis package provides an iterator which finds all ranges of a query within the searched content.1,799GPL-2.0-or-later query-rds-dataQuery AWS RDS Data from the command line24,924Apache-2.0Command line utilitiesDatabase interfaces query-security-txtquery-security-txt is a tool that queries smart contracts on the Solana blockchain for security.txt information11,593MIT OR Apache-2.0 query-shellA simple library to get the user's shell.94,573MITCommand-line interfaceOperating systems query-string-builderA query string builder for percent encoding key-value pairs20,755EUPL-1.2Web programming::HTTP client query-wmiA crate to query WMI classes in Windows OS6,405AGPL-3.0-only query_builderEasy to use library for creating SQL-Statements9,534MITDatabase interfaces query_external_ipAsynchronous library for querying the system's external IPv4 and IPv63,228BSD-3-Clause query_interfaceDynamically query a type-erased object for any trait implementation214,526MIT OR Apache-2.0 query_macrosmacros for query crate1,924MIT query_mapVectorMap is a generic wrapper around HashMap<String, Vec<String>> to handle different transformations like URL query strings.11,413,079MITEncodingParser implementations query_param_groupQuery Param Groups for the Rocket framework4,424MIT/Apache-2.0 query_parametersProvides a macro to generate url query parameters.117MIT query_paramsRust macro to automatically implement the serialization to http query parameters for arbitrary structs.28,407MITDevelopment tools query_routerUnified query routing across relational, graph, and vector engines202MIT OR Apache-2.0Data structuresDatabase interfaces queryableQueryable in Rust.1,851Apache-2.0 querydownAn expressive DSL for writing relational database queries that compile to SQL2,042MIT querydown-cliA command line interface for the Querydown language1,551MIT queryerAllow query to data source (CLI output, local file, remote url) via SQL query.3,656MIT queryer-sql-polarsA useful tool for use SQL to query data from `url`, `file` and `comm`.1,743MIT querygraphAI Navigator semantic layer for governed dataset discovery and reuse20MIT querylibRust query language17,521Apache-2.0 querylizerSerialization library for OpenAPI parameter styles9,178Apache-2.0Encoding queryparseA bare bones http query string parser.4,247MPL-2.0 querypie-cliQuery QueryPie databases from the terminal with webview authentication.111MIT queryscriptQueryscript is a SQL-based language that allows you to use higher order abstractions like variables, functions, and modules…5,379Apache-2.0 queryshellCLI tool to consult AI models for how to execute shell commands789MIT querystRust query string parser with nesting support, forked to update Serde246,637MIT queryst-primeRust query string parser with nesting support, forked to update Serde3,132MIT querystrSimple querystring library for rust2,254MITWeb programming querystringSimple querystring library for rust1,694,179MITWeb programming querystring_tinyA super tiny library to parse a HTTP querystring4,181BSD-2-Clause OR MIT querystrongquery-params41,637MIT OR Apache-2.0Web programmingWeb programming::HTTP server quesoPackage Gleam apps into single native executables66Apache-2.0Command line utilitiesDevelopment tools::Build Utils questSimple command-line user input.2,591,363MIT quest-cliA cli for going on http fetch (re)quests. Requests can be templated and aliased for easier use.1,003MIT quest-rsSafe Rust wrapper around the Quantum Exact Simulation Toolkit (QuEST)7,658MITAPI bindingsScience quest-sysBindings to the QuEST quantum computer simulator C library113,184Apache-2.0 AND MIT AND BSD-3-ClauseScienceSimulation quest-tuiA crossplatform TUI todo list6,787MIT OR Apache-2.0Command line utilities quest_bindWrapper around the Quantum Exact Simulation Toolkit (QuEST)12,009MIT questaA keyboard-driven TUI for tracking your job applications, with PDF export via Typst.51MITCommand line utilities questdbConnector for questdb6,442MITDatabase interfaces questdb-confstrA parser for a configuration string format handling service names and parameters426,818Apache-2.0ConfigurationParser implementations questdb-confstr-ffiC FFI bindings for questdb-confstr93,670Apache-2.0ConfigurationParser implementations questdb-rsQuestDB Client Library for Rust211,845Apache-2.0Database interfaces questionAsk a question, what more could you want?394,809MITCommand-line interfaceCommand line utilities question_bank_creatorThis program is targeted at teachers & homeschool parents and is especially useful for teaching math. It allows the construction…722GPL-3.0-or-later question_cliInternal research tool for question classification and/or answering.10,354MIT OR Apache-2.0Command line utilities questionnaireA library for creating a series of interactive questions for data gathering1,663Apache-2.0 OR MIT questionThingpackage to make input question stuff easier1,007MIT questradeOxidized Questrade Client4,288MIT OR Apache-2.0Web programming::HTTP client questrade-clientAsync Rust client for the Questrade REST API76MITAPI bindingsFinance questrade-rsOxidized Questrade Client4,530MIT OR Apache-2.0Web programming::HTTP client quettaImmutable, reference-counted strings for rust1,659MITData structures quettyTerminal-based Azure Service Bus queue manager with intuitive TUI interface762MITCommand line utilitiesDevelopment tools quetty-serverCore Azure Service Bus client library for Quetty terminal application3,714MITAPI bindingsDevelopment tools quetzalA implementation of distributed hash table algorithms with several useful extensions1,590Apache-2.0 quetzal-uringLock-free multi-producer io_uring submission and multi-consumer completion, built on quetzalcoatl protocols and ququmatz syscalls43MITConcurrencyOperating systems::Linux APIs quetzalcoatlLock-free ring buffers (SPSC, MPSC, SPMC, MPMC, and broadcast) for high-performance concurrent communication565MITConcurrencyData structures queueSimple wrapper around Vec to provide a FIFO queue.62,769MITData structures queue-ast-hopStatic queue dependency graph for BullMQ and glide-mq137MIT queue-extThe extended feature of the queue can convert the pop() function of the queue to Stream and the push() function to Sender.82,197MIT OR Apache-2.0AlgorithmsConcurrency queue-filequeue-file is a lightning-fast, transactional, file-based FIFO339,118Apache-2.0Data structures queue-modelAbstraction of the concept of a queue8,962Apache-2.0 queue-queueA priority queue implementation based on Rust's BinaryHeap10,592MIT queue-rsA Rust crate for queue17,347MIT OR Apache-2.0Data structures queue-runtimeMulti-provider queue runtime for Queue-Keeper8,441Apache-2.0API bindingsWeb programming queue_timesClient for scraping the queue times website.5,176MIT OR Apache-2.0 queue_workersA Redis-backed job queue system for Rust applications6,178MITAsynchronousDatabase interfaces queuecheckA thread-safe queue testing and benchmarking library.5,638Apache-2.0 queuedFast zero-configuration single-binary simple queue service16,787SSPL-1.0Database implementationsWeb programming queued-client-rsRust client for queued2,944MIT queued-taskconcurrent queue task processing3,917MIT queued_animated_sprites_macroquadMacroquad animated sprite drawing library focused around a queue-based design1,369MIT queued_rustSimple implementation of a queue type for better privacy managment and data orginization24,192MIT queueing-theoryQueueing theory in Rust — M/M/1, M/M/c, Erlang, Jackson networks, priority queues. Model capacity before you build.22MIT OR Apache-2.0 queuemeSmall library for various queue related tasks288MIT OR Apache-2.0 queuepeekA TUI multi-broker message queue inspector for RabbitMQ, Kafka, and MQTT268MITCommand line utilitiesDevelopment tools queueriousRust SDK for Queuerious job queue observability platform422MIT OR Apache-2.0API bindingsDevelopment tools::Profiling queuerious-lapinQueuerious SDK adapter for lapin (RabbitMQ)328MIT OR Apache-2.0API bindingsDevelopment tools::Profiling queuesEfficient FIFO Queue data structures1,560,504MIT/Apache-2.0Data structures QueueTypeImplementation of queue type for better privacy managment1,260MIT queueueQueue-like data structures used in rCore5,353MIT queuexComing soon.1,528Apache-2.0 queuingtaskqueueingtask is a library for running different threads in order in Rust5,216MIT queulerA QUEUe cooLER (bouncer) to control SQS message routing1,540AGPL-3.0-or-later quewuigrepA simple grep-like tool written in Rust.2,302MIT quexA small async database facade for MariaDB/MySQL, Postgres, and SQLite.216MIT OR Apache-2.0AsynchronousDatabase interfaces quex-driverLow-level async database drivers used by quex.259MIT OR Apache-2.0AsynchronousDatabase interfaces quex-mariadb-sysRaw bindgen bindings to MariaDB Connector/C for quex.221MIT OR Apache-2.0Database interfacesExternal FFI bindings quex-pq-sysRaw bindgen bindings to libpq for quex.221MIT OR Apache-2.0Database interfacesExternal FFI bindings quex-sqlite3-sysRaw bindgen bindings to SQLite for quex.221MIT OR Apache-2.0Database interfacesExternal FFI bindings qui-viveA key-value store and url shortener that is always on alert1,968MIT/Apache-2.0 quibbleA container security tool written in Rust focusing on compose based configuration as code8,936MIT quicquic10MIT OR Apache-2.0 quic-dnsDNS to DNS-over-https proxy5,095MPL-2.0 OR AGPL-3.0Network programming quic-exfilCovert data exfiltration by mimicking QUIC server-side connection migrations.652GPL-2.0-or-later quic-p2pPeer-to-peer networking library using QUIC60,594MIT OR BSD-3-Clause quic-parserZero-copy QUIC Initial packet parser with optional payload decryption.157,012MITNetwork programmingParser implementations quic-probeLibrary and app to probe QUIC servers1,896MIT OR Apache-2.0Network programming quic-protowip20MIT OR Apache-2.0 quic-proto-rsState machine for the QUIC transport protocol18MIT OR Apache-2.0AsynchronousNetwork programming quic-ptptemp holding location for upcoming release1,788MIT OR BSD-3-Clause quic-reverseReverse-initiated, multiplexed services over QUIC59Apache-2.0AsynchronousNetwork programming quic-reverse-controlControl protocol implementation for quic-reverse167Apache-2.0AsynchronousNetwork programming quic-reverse-transportTransport abstraction layer for quic-reverse167Apache-2.0AsynchronousNetwork programming quic-rpcA streaming rpc system based on quic300,494Apache-2.0/MITNetwork programming quic-rpc-deriveMacros for quic-rpc94,521Apache-2.0/MITNetwork programming quic-rpc-macrosquic-rpc库的高级封装18,565Apache-2.0/MIT quic-rpc-utilsquic-rpc库的高级封装20,358Apache-2.0/MIT quic-rpc-wrapquic-rpc库的高级封装6,961Apache-2.0/MIT quic-rsVersatile QUIC transport protocol implementation15MIT OR Apache-2.0AsynchronousNetwork programming quic-socketSocket-esc wrapper on the quiche QUIC implementation47,494MIT quic-udp-rsUDP sockets with ECN information for the QUIC transport protocol17MIT OR Apache-2.0AsynchronousNetwork programming quic_rustA QUIC implementation in pure Rust.2,875MIT OR Apache-2.0 quicast-amtLightweight Automatic Multicast Tunneling (AMT) implementation.74BSD-2-ClauseNetwork programming quicburnA blazing fast QUIC implementation in Rust26MIT OR Apache-2.0AsynchronousNetwork programming quicburn-clientA blazing fast QUIC implementation in Rust21MIT OR Apache-2.0 quicburn-macrosA blazing fast QUIC implementation in Rust24MIT OR Apache-2.0 quicburn-serverA blazing fast QUIC implementation in Rust19MIT OR Apache-2.0 quicburn-sharedA blazing fast QUIC implementation in Rust24MIT OR Apache-2.0 quicehResearch implementation of QUIC VReverso82BSD-2-ClauseNetwork programming quichashHigh-performance cryptographic hash utility with SIMD optimization83MIT OR Apache-2.0Command line utilitiesCryptography quiche🥧 Savoury implementation of the QUIC transport protocol and HTTP/32,311,416BSD-2-ClauseNetwork programming quiche-asyncthin wrapper1,521BSD-2-ClauseNetwork programming quiche-h3An h3::quic bridge that runs hyperium h3 over Cloudflare quiche via tokio-quiche154MITAsynchronousNetwork programming quiche-mallard🥧 Savoury implementation of the QUIC transport protocol and HTTP/316,507BSD-2-ClauseNetwork programming quiche-tokioTokio async wrapper for Cloudflare Quiche2,066MIT quiciA quick connection interface written in Rust to send data over UDP with the ability to get an ack for some messages.1,554non-standard