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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.

colorparser-cssCSS color parser library9,413MIT OR Apache-2.0GraphicsParser implementations colorrsA Rust CLI for outputting terminal colour test images2,431MIT colorsA library that helps you color and style your text3,845MIT colors-by-examplePick ansi-256 colors by examples58,033MIT OR Apache-2.0Graphics colors-transformModule for convert and transform colors716,026MITGraphics colorscapeA small lightweight library ment to make it easier to use ANSI colors4,523MIT colorscheme-transformerA tool for manipulating colorschemes1,127MITCommand line utilities colorseqA library that manages the VT color sequences.1,552MITCommand-line interfaceData structures ColorShellA small crate for coloring text for rust16,751MIT OR Apache-2.0 colorskillSome useful color manipulation functions14,628MITGraphics colorsnamedNames for a large set of widely understood color sets, like HTML/CSS or xkcd211MITMultimediaVisualization colorsnamed-basicColor list: Basic color names107MITMultimediaVisualization colorsnamed-best-ofColor list: Best-of color names89MITMultimediaVisualization colorsnamed-chinese-traditionalColor list: Chinese traditional color names88MITMultimediaVisualization colorsnamed-completeColor list: Complete color names90MITMultimediaVisualization colorsnamed-coreColor list: Build support for colorsnamed workspace160MITMultimediaVisualization colorsnamed-frenchColor list: French color names88MITMultimediaVisualization colorsnamed-germanColor list: German color names88MITMultimediaVisualization colorsnamed-hindiColor list: Hindi color names93MITMultimediaVisualization colorsnamed-htmlColor list: HTML/CSS color names91MITMultimediaVisualization colorsnamed-japanese-traditionalColor list: Japanese traditional color names90MITMultimediaVisualization colorsnamed-le-corbusierColor list: Le Corbusier color names93MITMultimediaVisualization colorsnamed-nbs-isccColor list: NBS-ISCC color names94MITMultimediaVisualization colorsnamed-ntcColor list: NTC color names94MITMultimediaVisualization colorsnamed-osxcrayonsColor list: OS X Crayons color names93MITMultimediaVisualization colorsnamed-ralColor list: RAL color names93MITMultimediaVisualization colorsnamed-ridgwayColor list: Ridgway color names92MITMultimediaVisualization colorsnamed-risographColor list: Risograph color names89MITMultimediaVisualization colorsnamed-sanzo-wada-iColor list: Sanzo Wada I color names98MITMultimediaVisualization colorsnamed-shortColor list: Short color names96MITMultimediaVisualization colorsnamed-spanishColor list: Spanish color names94MITMultimediaVisualization colorsnamed-thesaurusColor list: Thesaurus color names99MITMultimediaVisualization colorsnamed-wernerColor list: Werner color names100MITMultimediaVisualization colorsnamed-wikipediaColor list: Wikipedia color names96MITMultimediaVisualization colorsnamed-windowsColor list: Windows color names98MITMultimediaVisualization colorsnamed-x11Color list: X11 color names90MITMultimediaVisualization colorsnamed-xkcdColor list: XKCD color names99MITMultimediaVisualization colorspaceA crate for colorimetry covering spectral, RGB, XYZ, L*a'b' and conversions thereof2,108Apache-2.0Computer visionGraphics colorstringRust's implementation of colorstring.go2,278MIT colorstyleColorStyle is a library of styles for command-line text.ColorStyle 是一个用于命令行文本的样式库。2,934GPL-3.0AccessibilityCommand-line interface colorsysA module for color conversion and mutation. Works with RGB(a)( as hexadecimal too), HSL(a), CMYK color models and with ANSI color…1,132,730MITGraphics colortempSimple functions to calculate color temperatures and RGB values3,930MIT/X11 colorthiefDominant-color extraction (MMCQ) and human-vocabulary naming for packed-RGB video keyframes — CIEDE2000 (default, scalar), CIE94…20MIT OR Apache-2.0AlgorithmsMultimedia::Images colorthief-datasetStatic xkcd color-hierarchy table with pre-computed LAB used by `colorthief` for human-vocabulary color naming.49MIT OR Apache-2.0AlgorithmsData structures colorthisMeta macros that aid macro authors to create colors from a generalized syntax.3,321MIT OR Apache-2.0 colorttyA utility to generate color schemes for alacritty13,208MITCommand line utilities colortypesAn abstract, safe, and concise color conversion library for rust nightly21,972MITGraphicsMathematics colorutils-rsHigh performance utilities for color format handling and conversion.183,850BSD-3-Clause OR Apache-2.0Multimedia::ImagesMultimedia::Video colorverseColor vision diversity (色覚多様性) convertor - not only simulate but also daltonize (色の補正)4,495Apache-2.0AccessibilityCommand line utilities coloryA simple library to make your command line application more colorful!10,659Apache-2.0 colorzA terminal text-coloring library702,614MIT OR Apache-2.0Command-line interface colossalColossal Cave Adventure8,367AGPL-3.0-or-later colosseumA variety of arena allocators for Rust, including thread-safe arenas.386,000MIT/Apache-2.0ConcurrencyMemory management colossusColossus is a powerful tool for AI-driven text processing and analysis.14,606MIT colourMacros for creating coloured console output.307,186MIT OR Apache-2.0Command-line interface colour-lovers🎨 Tools for interacting with COLOURlovers1,990CC0-1.0 colour-scienceRust implementation of the colour-science library.1,686MIT colouradoA small and minimalistic library to generate a random color palette18,807MIT colourado-iterA small and minimalistic library to generate a random color palette of infinite size6,711MIT colouredA simple library for working with colours.854MIT coloured-stringsCrate that makes colouring strings easy and lightweight (< 3.0 kb)!13,694MIT colourfulA lightweight, fast, and easy-to-use library for creating coloured strings with ANSI1,562MIT colourful-loggerA minimal colourful logger for Rust6,152MITDevelopment tools::DebuggingDevelopment tools::Testing colourizerEasily colourize command output7,524non-standard coloursColor types for different color models with conversions between it.3,610MITData structuresGraphics colourssA Rust library for parsing CSS color strings into RGB values.83MIT coloursum🎨 Colourise your checksum output4,642MIT colpettoAsync libinput wrapper25,188Apache-2.0 colporteurCLI tool for converting newsletter emails to web-friendly formats338AGPL-3.0-or-later colprintA lightweight macro for neatly printing data in aligned columns with automatic width calculation and customisable separators.836MITCommand line utilitiesDevelopment tools colrA general purpose, extensible color type unifying color models and their operations at the type level.93MIT OR Apache-2.0GraphicsMultimedia colr-typesColor model ZSTs and marker traits for colr.110MIT OR Apache-2.0GraphicsMultimedia colsSmart adaptive formatting of columnar data596MIT OR Apache-2.0 cols-deriveDerive macro for the cols table formatting library590MIT OR Apache-2.0 colsolFunctions for direct solution of matrix equations for compact form matrices.8,596MIT OR Apache-2.0 colstodianAn opinionated, practical color management library for games and graphics.8,219MIT OR Apache-2.0 OR Zlib coltPlaceholder19MIT OR Apache-2.0 columboAsync SSR streaming suspense — render placeholders, stream HTML replacements as futures resolve.247MIT OR Apache-2.0 columbusA TUI file explorer written in RUST with Ratatui92GPL-2.0-or-laterCommand line utilitiesFilesystem columnColumnar data format in memory2,074MIT OR Apache-2.0 column_deriveColumnar data format in memory (Derive)2,966MIT OR Apache-2.0 column_storeColumn-oriented database management system.1,717ISC column_store_proc_macrosProcedural macros for crate column_store.2,436ISC columnarConversion from arrays of complex structs to simple structs of arrays278,076MIT columnar_deriveDerive macros for columnar crate233,592MIT columnationUnsafe columnar containers for native Rust types216,153MIT columnation-masterAn experimental columnar arena117,163MIT columnedA single, contiguous, allocation for multiple arrays287MITMemory management columnqPlace holder1,783Apache-2.0 columnrsA command-line tool for formatting tabular data into columns table2,122MITCommand line utilities columnsA text manipulation library for displaying separate text in columns.8,605MITNo standard library columnstoreTypo.1,681ISC colvecStruct-of-arrays column vec like Zig's MultiArrayList1,336MIT OR Apache-2.0 colvec-deriveDerive macros for colvec.1,555MIT OR Apache-2.0 colxExtract the specified columns from FILES or stdin.2,091Apache-2.0Command line utilities comUtilities for implementing COM Client and Servers3,553,930MITOperating systems::Windows APIs com-comSmart Arduino/microcontroller COM port manager with real-time monitoring, nicknames, and history39MITCommand line utilitiesHardware support com-croftsoftRe-export of com-croftsoft-* crates8,660MIT com-croftsoft-coreA core library of highly reusable code19,404MITMathematics com-croftsoft-libRe-export of com-croftsoft-lib-* crates3,431MIT com-croftsoft-lib-animationCroftSoft Library for Animation13,872MITGame developmentGraphics com-croftsoft-lib-roleCroftSoft Library for Roles17,551MIT com-croftsoft-lib-stringCroftSoft String Library2,540MIT com-implAutomatically implement Win32 COM interfaces from Rust, along with some useful helper types for getting it done.19,698MIT com-policy-configRust bindings to IPolicyConfig COM API10,143MITAPI bindingsOperating systems::Windows APIs com-rsDeprecated. Use the `com` crate instead.1,608,878MIT/Apache-2.0 com-scrapeAutomatically generates Rust bindings for COM interfaces9,927MIT OR Apache-2.0 com-scrape-typesSupport code for bindings generated with com-scrape38,147MIT OR Apache-2.0 com-shimCreate safe Rusty shims for COM classes.18,885MIT com-shim-macroMacros for com-shim.20,773MIT com-wrapperAn interface for types which are a wrapper around a `wio::com::ComPtr`.12,955MIT com_gd_rastizer_arttest for uploading crate1,584Apache-2.0 com_goldsrc_formatsSome common Valve BinRW types2,401MIT OR Apache-2.0 com_local_timeImplementation of My Country time and each country's clock with a computer clock컴퓨터 시계만으로 우리나라 시간과 각 나라별 시계 구현하기2,501MIT com_loggerSerial port logger through COM ports9,622MIT com_macrosCOM crate macros3,528,828MIT com_macros_supportSupport library for COM crate macros3,523,142MIT com_ptrA smart pointer for Windows COM Interfaces11,808MIT/Apache-2.0 comaComa is a lightweight command-line tool designed for crawling websites4,349MITWeb programming comacroDeclarative Rust static analysis with macro-like syntax1,931MIT/Apache-2.0Development tools comanEasily run and test your programming contest solutions7,175GPL-3.0-or-later coman-cliComan is a simple API manager designed to streamline API management and request sending. Can be used as a library or CLI.128MIT OR Apache-2.0Command line utilitiesWeb programming comandareTCP Command Execution4,320MIT comata better coloring crate8,046MIT comate-agentCo-mate is an AI-powered architecture copilot, design and governance tools.1,606MPL-2.0Command-line interfaceDevelopment tools combCLI for the Handlebars templating engine4,214GPL-3.0-or-laterCommand line utilitiesTemplate engine comb-iterIterate over combinations, with allocating1,719MIT comb-tuiA tiny native terminal-UI engine — surfaces, layers, widgets.39MITCommand-line interfaceGUI combadgeCombadge makes Rust Web Workers easy618MITAsynchronousConcurrency combadge-macrosMacros for Combadge855MIT combarcCopy-on-mutable-borrow reference counter type provider250GPL-3.0-only combeeCombee is a flexible data analysis library written in pure Rust inspired by pandas (python).8,654non-standard combiA combinators library with an included rust token parsing implementation2,545non-standardCompilersParser implementations combidGenerate numeric identifiers8,951MPL-2.0 combin-iteratorSome usefull facilities for combining iterators6,501MIT OR Apache-2.0 combinadicsProvides methods to de- and encode numbers in the combinatorial number system3,080MIT combinationA lib to do math jobs like permutate and combinate data from vec.263,519MIT/Apache-2.0 combination-errprocedural macro for combined error enums4,331MIT combination_testsRust macro for generating tests by permutations1,376MPL-2.0Development tools::Testing combinationsThis crate give you all the combinations of values in a vec196,899MIT OR Apache-2.0 combinatorCombinator inspired by APL/J4,166MIT combinatorialCombinatorial tools, functions, and generators.5,874MITAlgorithmsMathematics combinatorial_patternsRust implmementations of combinatronic concepts1,686non-standardAlgorithmsMathematics combinatoricsreserved5,400MIT combinatoryCreate every combination possible of values of 2D collections / iterators.1,058non-standardNo standard library combineFast parser combinators on arbitrary streams with zero-copy support.217,871,293MITNo standard libraryParsing tools combine-elastic-buffered-streamContains ElasticBufferedReadStream, a combine stream buffering a Read input, adapting its size to the checkpoints still alive.2,743Unlicense combine-languageExtra parser combinators, useful for parsing programming languages.71,122MIT combine-latestCombines two or more streams into a new stream which yields tuples with the latest values from each input stream12,029MITAsynchronous combine-proc-macroSupport for using `combine` parser combinators with the `proc_macro` API.12,315MIT/Apache-2.0Parsing tools combine-regex-1Re-export of regex 1.0 letting combine use both 0.2 and 1.06,396MIT/Apache-2.0 combine-structsProc macros for compile-time struct field merging.4,965Apache-2.0Development tools::Procedural macro helpers combine_codeCLI tool to merge source files by extension while respecting .gitignore rules24MITCommand line utilitiesFilesystem combine_rustcombine for rust (only the client)6,682MIT combine_traitsA Macro to create Traits wich are just a combination of existing ones.3,998MITDevelopment tools combine_wasiFast parser combinators on arbitrary streams with zero-copy support.2,677MITNo standard libraryParsing tools combined_strZero-copy, const-generic string combinator for no_std environments119MIT combinedfunA little `nom`-like parser combinator library which stays away from macros, while trying to achieve at least part of the…6,129MITParsing tools combinediff-rsRust combinediff implementation4,620MIT combinerCombiner is a Rust-based command-line tool that processes text files in a given directory, combining their contents into a single…13,548MITCommand line utilities combo...1,586MIT combo_derive...1,576MIT combo_vecA blazingly fast no-std vector-like ADT using the stack (and optionally heap for overflow)20,977MITData structures comboiosUnofficial Rust client for Comboios de Portugal (CP) APIs to search stations, get timetables, and retrieve train information522MIT OR Apache-2.0API bindingsWeb programming::HTTP client combomatic🩺 Enumerate safe combinations1,821CC0-1.0 combosPrint all permutations of a word list4,018non-standardCommand-line interfaceCommand line utilities combostewCombostew is an intermediate layer between the image crate and the 'sic' and 'stew' image tool front-ends.9,934MITCommand line utilitiesMultimedia::Images combostew_cliShared cli skeleton for the 'sic' and 'stew' crates.2,911MIT combotA utility to parse server access logs and detect bots based on URI paths and User Agents.2,938GPL-3.0-or-laterCommand line utilitiesParser implementations combpA generic parser combinator library20MITParsing tools combpopType-based parser combinator5,045Apache-2.0/MITParsing tools combuCombu is a yet another mini cli framework.120,149MITCommand-line interface combupdwote based ComPtr wapper.11,239MPL-2.0 combustAI-driven local pull request workflow where Claude is the only contributor20AGPL-3.0-only combustionA static site generator that renders templates per request1,589MIT comby-searchStructural Code Search using Comby6,803BSD-3-ClauseCommand line utilitiesDevelopment tools combycode-dpeDPE framework for building streaming pipeline tools in Rust133AGPL-3.0-or-later comcartCommon Cartridge file summarization library2,988MIT comchanA Blazingly Fast and Minimal Serial Monitor for Embedded Applications7,395MITCommand line utilitiesEmbedded development comcigan-rscomcigan web api parsing library21,434MIT OR Apache-2.0 comcomA tool designed to make it easier to compose complex commands3,881MIT comctl32-sysContains function definitions for the Windows API library comctl32. See winapi for types and constants.20,112MIT comdeCompression/decompression akin to serde28,617Apache-2.0 OR MIT comde_codegenCompression/decompression akin to serde (codegen)3,267Apache-2.0 OR MIT comdirect-rest-apiHigh-availability Rust client for the comdirect REST API218MIT OR Apache-2.0 comdlg32-sysContains function definitions for the Windows API library comdlg32. See winapi for types and constants.11,637MIT comedyWindows error handling, COM, and handles281,013MIT/Apache-2.0API bindingsOperating systems::Windows APIs comembertA tool to remember commands, search them, and write them to the command line to use3,270MITCommand line utilities comemoIncremental computation through constrained memoization.2,116,589MIT OR Apache-2.0Caching comemo-macrosProcedural macros for comemo.2,118,709MIT OR Apache-2.0Caching cometLocal continuous integration7,737MIT comet-apiWrapper over comet-gc to simplity usage1,695MIT comet-cliComet CLI3,981MIT comet-eventbusAn implementation of strong-typed sync and asynchronous eventbus.5,028MIT OR Apache-2.0AsynchronousConcurrency comet-gcGarbage collection library for implementing VMs in Rust3,742MIT comet-rsRust eDSL for COMET: domain specific COMpiler for Extreme Targets5,253non-standardCompilersHardware support comet-rs-implRust eDSL for COMET: domain specific COMpiler for Extreme Targets4,840non-standardCompilersHardware support comet-webReactive Isomorphic Web Framework6,521MIT comet_macro_procsMacros for Comet5,907MIT cometbftCometBFT is a high-performance blockchain consensus engine that powers Byzantine fault tolerant applications written in any…7,264Apache-2.0CryptographyCryptography::Cryptocurrencies