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.

parser_kozachokA brief description of your crate186MIT parser_majo_1A brief description of your crate182MIT parser_of_jsonA parser for a JSON-type structure43MIT parser_of_logic_expressionsParser for propositional logic expressions37MIT parser_rickneeleeCode for parsing lists of integers.1,479MIT parser_silicatest push776MIT parser_solomennyi_group2A brief description229MIT parser_sydorchukmy parser for education purpose229MIT parser_yeremeievalist parser project1,482MIT parser_zvparser for a university project1,447MIT parsercParser combinator for `rust` language.14,830MIT parserc-deriveproc-macros for `parserc`6,950MIT ParserCalculatorIn the parser, we will parse a mathematical expression into its main components: numbers, signs, brackets. The result of the…105MIT parsercherParses and searches Tag documents. (e.g. HTML, XML)14,784MIT OR Apache-2.0Parser implementations parsersParser combinators library4,995MIT OR Apache-2.0 parsers_sv2Sv2 Message Parsers25,246MIT OR Apache-2.0 parserstA recursive-descent reST parser and renderer412non-standard parsetxOfficial Rust client SDK for the ParseTx Transaction Enrichment API.17MITAPI bindingsParser implementations parsevmPEG-like parser tool, grammar matching implemented in virtual machine style, for handwritten lexers58Apache-2.0 parsexSimplistically, quickly and efficiently parse and modify HTML documents2,632MIT parseyA simple parser-generator framework.10,375MIT OR Apache-2.0 parsey-deriveA simple parser-generator framework.1,189MIT OR Apache-2.0 parsey_rsA Rust library to analyze PE (Portable Executable) files.570MIT OR Apache-2.0 parsgCommand line parser1,477Apache-2.0Command-line interfaceConfiguration parsicleA little tool for parsing articles from the web and extracting useful data from them1,872non-standard parsidateA comprehensive library for working with the Persian (Jalali/Shamsi) calendar system in Rust.12,858Apache-2.0Date and timeInternationalization (i18n) parsideParser for Composable Event Streaming Representation (CESR)5,126Apache-2.0 parsimoniousParsimonious parser combinators21,508MPL-2.0 parsimonyA library for running particle simulations1,608MIT OR Apache-2.0MathematicsScience parsinA simple, minimalistic CLI (Command-Line Interface) parser for Rust.888MIT OR Apache-2.0 parsingParsing Techniques in rust.2,697GPL-3.0 parsing-codegenParsing Techniques in rust -- codegen.1,511GPL-3.0 parsing-macroParsing Techniques in rust -- macro.1,447GPL-3.0 parsing-techParsing Techniques4,027GPL-3.0 parsing-utilsCommon code for pest-based parsers.3,396AGPL-3.0-only parsioParser-related I/O utilities360MIT OR Apache-2.0Parsing toolsWebAssembly parsipA tiny, safe, speedy, zero-copy SIP parser. Uses nom.3,627MITNetwork programmingParser implementations parsiphaeA crate for parsing and analysing the scripting language Daedalus from the game Gothic (2).1,796MITParser implementations parsitvery simple lib, the parsing combinators, recursive descendent that uses logos as lexer23,711non-standardCompilersDevelopment tools parsitextHigh-performance Persian (Farsi) text processing engine for Rust — normalization, tokenization, entity recognition.134Apache-2.0Internationalization (i18n)Text processing parslersA Staged Selective Parser Combinator Library for the Rust Programming Language2,909MIT OR Apache-2.0Parsing toolsText processing parslers-macroA Staged Selective Parser Combinator Library for the Rust Programming Language2,058MIT OR Apache-2.0Parsing toolsText processing parsleyAn implementation of Scheme25,936MIT OR Apache-2.0 parsley-rsMy attempt at a Rust parsing and lexing library.45,286MIT parsley-rs-hackA hack for parsley-rs2,298MIT parsliParallel status lines for Rust9,752MITAsynchronousCommand-line interface parsmMulti-format data processor that understands structured text better than sed or awk. Supports JSON, CSV, YAML, TOML, logfmt, and…1,340MITCommand line utilitiesParsing tools parsnipData science metrics (presently categorical only) for Rust.24,244MITScience parsnip-cliCLI for Parsnip memory management platform30MIT OR Apache-2.0 parsnip-coreCore graph engine for Parsnip memory management platform401MIT OR Apache-2.0 parsnip-mcpMCP server for Parsnip memory management platform131MIT OR Apache-2.0 parsnip-searchSearch engines for Parsnip memory management platform224MIT OR Apache-2.0 parsnip-storageStorage backends for Parsnip memory management platform224MIT OR Apache-2.0 parsoidWrapper around Parsoid HTML that provides convenient accessors for processing and manipulation71,497GPL-3.0-or-laterWeb programming parsonA crate for parsing JSON into Rust types3,987GPL-3.0Parser implementationsParsing tools parsqlDeneyimsel bir sql yardımcı küfesidir. UYARI: bu bir ORM aracı değildir. Amaç sql yazımı ve kullanımında basit cümlecikler için…7,581MIT OR Apache-2.0 parsql-cliCommand-line interface for parsql database toolkit290MIT OR Apache-2.0AsynchronousDatabase interfaces parsql-coreParsql için temel trait'leri barındıran küfedir.1,948MIT OR Apache-2.0 parsql-deadpool-postgresDeneyimsel bir sql yardımcı küfesidir.3,474MIT OR Apache-2.0AsynchronousDatabase interfaces parsql-macrosParsql için yardımcı makroları barındıran küfedir.8,683MIT OR Apache-2.0 parsql-migrationsMigration system for parsql - type-safe database migrations460MIT OR Apache-2.0AsynchronousDatabase interfaces parsql-postgresParsql için postgresql entegrasyonunu sağlayan küfedir.6,856MIT OR Apache-2.0 parsql-sqliteParsql için sqlite entegrasyonunu sağlayan küfedir.6,813MIT OR Apache-2.0 parsql-tokio-postgresParsql için postgresql entegrasyonunu, tokio runtime ile birlikte sağlayan küfedir.6,439MIT OR Apache-2.0 parsra libary for simple parsing33,146MIT OR Apache-2.0 parsswdNative Rust passwd and group files parser20,898MIT/Apache-2.0 parstdeclarative parsing22,536MIT OR Apache-2.0 parst_derivederive macros for parst21,215MIT OR Apache-2.0 parst_extraextra structures for parst1,509MIT OR Apache-2.0 parstreamCrate for computing function over iterator in a streaming fashion using multi-threading while preserving order.4,600MIT OR Apache-2.0 parsunaParsuna: recoverable, pull-based parsers with precise errors18LGPL-3.0-or-later parsuna-rtRuntime for Rust parsers generated by the parsuna framework.51LGPL-3.0-or-later parsvRetrieve any subcomponent from a Verilog module.1,107Apache-2.0 parsyAn easy-to-use, efficient parser combinators library85,117Apache-2.0 parsyncParallel rsync-like pull sync over SSH with resume185MIT parsysA 2D particle system simulator library3,151MITScienceSimulation partSpan-aware async logger67Apache-2.0 partbootDisk-resident ISO boot manager prototype182MITCommand line utilities partermRemote control for your terminal2,649MITCommand line utilities partfun_deriveUsed by other partial-* crates2,235MIT parth10606_first_crateA test lib for publishing774MIT parthiaFire Emblem calculations in Rust4,465MIT OR Apache-2.0Mathematics parthia-libFire Emblem calculations in Rust1,634MIT OR Apache-2.0Mathematics parthia-serverFire Emblem calculations in Rust, the server edition1,628MIT OR Apache-2.0MathematicsWeb programming::HTTP server parthu_kttrying to create a package501MIT partiClustering and hierarchical structure primitives25MIT OR Apache-2.0AlgorithmsMathematics partialOptional monad with fake variant.20,836Apache-2.0Data structures partial-application-rsA macro to transform functions into partially applicable structs1,680MIT OR Apache-2.0 partial-arrayProvides potentially partially-filled arrays13,276MIT OR Apache-2.0Data structuresNo standard library partial-bindA simple proc-macro library that provides a macro to partial bind function arguments using closures.360MIT partial-borrowPartially borrow a struct6,621GPL-3.0-or-later partial-borrow-macrosproc-macros for partial-borrow7,537GPL-3.0-or-later partial-callgrindCallgrind client requests in Rust1,542MITDevelopment toolsDevelopment tools::Profiling partial-cmp-deriveDerive PartialEq, Eq, PartialOrd, Ord, and Hash with fine-grained control over field comparison257MITDevelopment tools::Procedural macro helpersRust patterns partial-contextPartial Context Types1,530MIT AND BSD-2-Clause partial-context-codegenPartial Context Types1,886MIT AND BSD-2-Clause partial-dateDeterministic partial date extraction from natural language text, with sensible defaults and extensive configurability.160MITDate and timeParsing tools partial-defaultProvides PartialDefault, a trait similar to Default but with fewer guarantees253,346AGPL-3.0-onlyNo standard library::No dynamic allocationRust patterns partial-default-deriveDerive-macro support for PartialDefault253,686AGPL-3.0-only partial-enumproc-macro generating partially inhabited enums5,060MIT partial-functionalA small collection of Semigroups and Monoids for rust1,545MIT partial-idl-parserA simple parser for anchor IDL without importing anchor types or causing build panics for WASM targets.1,735Apache-2.0 OR MITCryptography::Cryptocurrencies partial-ioHelpers to test partial, interrupted and would-block I/O operations, with support for property-based testing through proptest and…658,646MITAsynchronousDevelopment tools::Testing partial-json-fixerPartial JSON fixer fixes partial JSON236,182MITParsing toolsText processing partial-min-max`min` and `max` functions that work with `PartialOrd`.1,605,120MIT/Apache-2.0 partial-resultA library for results that return success for non-critical errors.2,142MITRust patterns partial-uninitA trait to construct partial uninitialized instances.1,665MIT OR Apache-2.0 partial_applicationpartial function application via the partial! macro98,339MIT/Apache-2.0No standard libraryRust patterns partial_configA Rust crate to implement layered partial configuration21,679Apache-2.0Command-line interfaceConfiguration partial_config_deriveDerive macros for `partial_config`: layered partial configuration13,927Apache-2.0Command-line interfaceConfiguration partial_constThis library provides a way to handle constant and non-constant values in a unified way.3,917MITData structuresNo standard library partial_derivemakes all the properties of a struct type an optional property2,815MITRust patterns partial_derive2makes all the properties of a struct type an optional property29,859MITRust patterns partial_derive2_derivemakes all the properties of a struct type an optional property26,013MITRust patterns partial_eq_dynTwo traits to enable PartialEq for types with trait objects as fields. Best used with the derives in partial_eq_dyn_derive2,031MIT OR Apache-2.0 partial_eq_dyn_deriveDerives for PartialEq on structs and enums with trait objects1,498MIT OR Apache-2.0 partial_fnConstruct a partial function from a series of match statements.1,494MIT partial_functionA clean way to define function as a set of subfunctions where each has defined start and end bounds.16,636AGPL-3.0-or-later partial_refType checked partial references7,362,074MIT/Apache-2.0 partial_ref_deriveDerives for partial_ref7,362,884MIT/Apache-2.0 partial_sortThis library provide a Rust version std::partial_sort6,150,367MIT OR Apache-2.0 partial_structA proc-macro crate that generates partial versions of Rust structs. Specify omitted fields and custom derives via attributes,…9,169MIT OR Apache-2.0 partialdebugDerive Debug partially15,858MIT OR Apache-2.0 partialdebug-derivemacros for partialdebug15,681MIT OR Apache-2.0 partializeGeneric partial application library.22MIT partiallyProvides the Partial trait, and an optional macro to mirror a struct, wrapping each field in an Option570,816MIT OR Apache-2.0Rust patterns partially_deriveMacros for the partially crate570,765MIT OR Apache-2.0Rust patterns partialzipDownload single files from online zip archives or list the content61,964MPL-2.0Command line utilitiesCompression particleThis package provides a simple component model for Rust libraries and tools.497MIT/Apache-2.0 particle-argonParticle Argon dev board support crate1,627MIT OR Apache-2.0 particle-xenonBoard support crate for the Particle Xenon device1,876MIT OR Apache-2.0Embedded developmentHardware support particle_acceleratorParticle Accelerator – a modular, ECS-ready physics engine for Rust.179Apache-2.0 particle_chromo3dCLI tool for 3D chromosome structure reconstruction from Hi-C contact matrices using Particle Swarm Optimization17MITCommand line utilitiesScience particle_idParticle IDs according to the Monte Carlo Particle Numbering Scheme10,708GPL-3.0-or-laterScience particle_libSimple particle system for Macroquad40MIT particlesParticles effects on the WebAssembly platform2,108MIT particula-rsA simple particle library2,669MIT OR Apache-2.0 particularN-body simulation library written in Rust featuring BarnesHut and GPU accelerated algorithms.24,312MIT OR Apache-2.0Game developmentSimulation particular_deriveDerive macro for the particular crate.13,700MIT OR Apache-2.0 partiqlPartiQL in Rust19,814Apache-2.0CompilersDatabase interfaces partiql-astPartiQL AST27,247Apache-2.0CompilersDatabase interfaces partiql-ast-macrosProcedural macros for PartiQL AST26,040Apache-2.0CompilersDatabase interfaces partiql-ast-passesA crate for PartiQL AST transformation passes13,959Apache-2.0CompilersDatabase interfaces partiql-catalogPartiQL Catalog Definitions19,777Apache-2.0CompilersDatabase interfaces partiql-cliPartiQL CLI1,559Apache-2.0CompilersDatabase interfaces partiql-commonPartiQL Core6,647Apache-2.0CompilersDatabase interfaces partiql-conformance-test-generatorPartiQL conformance test generator19,126Apache-2.0CompilersDatabase interfaces partiql-conformance-testsPartiQL conformance test runner18,826Apache-2.0CompilersDatabase interfaces partiql-evalPartiQL Expression Evaluator22,712Apache-2.0CompilersDatabase interfaces partiql-extension-csvPartiQL CSV extensions1,190Apache-2.0CompilersDatabase interfaces partiql-extension-ddlPartiQL DDL extensions7,699Apache-2.0CompilersDatabase interfaces partiql-extension-ionPartiQL Ion extensions20,162Apache-2.0CompilersDatabase interfaces partiql-extension-ion-functionsPartiQL Ion function extensions15,480Apache-2.0CompilersDatabase interfaces partiql-extension-value-functionsPartiQL Value function extensions2,437Apache-2.0CompilersDatabase interfaces partiql-extension-visualizeVisualize PartiQL AST and Logical Plan10,144Apache-2.0CompilersDatabase interfaces partiql-irPartiQL Intermediate Representation18,370Apache-2.0CompilersDatabase interfaces partiql-irgenPartiQL IR Generator19,660Apache-2.0CompilersDatabase interfaces partiql-logicalPartiQL Logical Model23,311Apache-2.0CompilersDatabase interfaces partiql-logical-plannerPartiQL Logical Planner20,263Apache-2.0CompilersDatabase interfaces partiql-parserPartiQL Parser26,664Apache-2.0CompilersDatabase interfaces partiql-playgroundPartiQL Playground1,529Apache-2.0CompilersDatabase interfaces partiql-rewriterPartiQL Rewriter Framework18,474Apache-2.0CompilersDatabase interfaces partiql-rsA implementation of PartiQL5,444MITDatabase interfacesParser implementations partiql-source-mapPartiQL Source Map22,051Apache-2.0CompilersDatabase interfaces partiql-typesPartiQL Type Definitions25,650Apache-2.0CompilersDatabase interfaces partiql-valuePartiQL Values26,850Apache-2.0CompilersDatabase interfaces partiri-cliPartiri CLI — Deploy and manage services on Partiri Cloud288MITCommand line utilities partitionpartition slices in-place by a predicate281,129MIT OR Apache-2.0Algorithms partition-identityFind the ID of a device by its path, or find a device path by its ID.1,477,299MITOperating systemsOperating systems::Unix APIs partition-iteratorIterator adaptors that enumerate all partitions or all k-partitions of an iterator's content.1,707MIT partition-point-veb-layoutpartition_point van Emde Boas layout3,047AGPL-3.0-or-laterAlgorithms partition-simSimulate network partitions in a docker cluster.1,526non-standardDevelopment tools::TestingSimulation partition_eithersports Haskell's `Data.Either.partitionEithers :: [Either a b] -> ([a], [b])` into Rust15,629MIT partition_treePartition Tree: conditional density estimation in general outcome spaces129MIT partitionsA disjoint-sets/union-find implementation that allows for efficient iteration over elements of a set.483,460Apache-2.0AlgorithmsData structures partly-claudyTerminal UI for the Claude status page37MIT OR Apache-2.0Command line utilities partner-pmPartner Process Monitor92ZlibCommand line utilitiesDevelopment tools partnersSwitch between multiple git authors7,474MIT partonsPartons library1,530GPL-3.0-or-laterScience partopoFunctions to execute work described by a dependency graph1,552Apache-2.0AlgorithmsData structures partout🧊 Iced desktop app for pass3,275GPL-3.0-onlyAuthentication partqlPartQL — spatial graph database query language and engine. Under active development by Rebel Software.20LicenseRef-ProprietaryDatabase interfaces partsong[WIP] 3D audio.2,282MIT/Apache-2.0 parttyA fast, cross-platform, GPU-accelerated terminal emulator16MIT OR Apache-2.0 partyA command execution automator7,228MIT OR Apache-2.0Command line utilitiesDevelopment tools party-runA command execution automator1,531MIT OR Apache-2.0Command line utilitiesDevelopment tools party-typesImplementation of endpoint types suitable for hosting multi-party session type projections1,618MIT OR Apache-2.0 partymixCombines filesystem images into a disk image with MBR806MITCommand line utilitiesFilesystem partymodeKeeps your system awake while playing media1,106AGPL-3.0Command line utilities paruFeature packed AUR helper34,923GPL-3.0 paruiSimple TUI frontend for paru or yay.50,441MIT parvalValidation pattern compatible with concurrency models653MIT parvatiParvati: Indeed, an ORM library, not a framework, written in Rust5,499non-standardDatabase interfaces parvati_deriveDerive for Parvati3,922non-standardDatabase interfaces parvioculaA simple ASGI server aimed at helping the transition from python ASGI applications to an Axum application4,498MIT parx-cliCLI tool for building and inspecting PARX sidecar files18Apache-2.0 parx-rsParx format Rust library67Apache-2.0Data structuresDatabase interfaces parzSmall parser combinator library1,595MIT OR Apache-2.0 parzeA clean, efficient parser combinator17,548MITNo standard libraryParsing tools parze-declareA clean, efficient parser combinator4,171MITNo standard libraryParsing tools