BROWSE A-Z
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-2.0
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-2.0
colors-transformModule for convert and transform colors716,026MIT
colorscapeA small lightweight library ment to make it easier to use ANSI colors4,523MIT
colorscheme-transformerA tool for manipulating colorschemes1,127MIT
colorseqA library that manages the VT color sequences.1,552MIT
ColorShellA small crate for coloring text for rust16,751MIT OR Apache-2.0
colorskillSome useful color manipulation functions14,628MIT
colorsnamedNames for a large set of widely understood color sets, like HTML/CSS or xkcd211MIT
colorsnamed-basicColor list: Basic color names107MIT
colorsnamed-best-ofColor list: Best-of color names89MIT
colorsnamed-chinese-traditionalColor list: Chinese traditional color names88MIT
colorsnamed-completeColor list: Complete color names90MIT
colorsnamed-coreColor list: Build support for colorsnamed workspace160MIT
colorsnamed-frenchColor list: French color names88MIT
colorsnamed-germanColor list: German color names88MIT
colorsnamed-hindiColor list: Hindi color names93MIT
colorsnamed-htmlColor list: HTML/CSS color names91MIT
colorsnamed-japanese-traditionalColor list: Japanese traditional color names90MIT
colorsnamed-le-corbusierColor list: Le Corbusier color names93MIT
colorsnamed-nbs-isccColor list: NBS-ISCC color names94MIT
colorsnamed-ntcColor list: NTC color names94MIT
colorsnamed-osxcrayonsColor list: OS X Crayons color names93MIT
colorsnamed-ralColor list: RAL color names93MIT
colorsnamed-ridgwayColor list: Ridgway color names92MIT
colorsnamed-risographColor list: Risograph color names89MIT
colorsnamed-sanzo-wada-iColor list: Sanzo Wada I color names98MIT
colorsnamed-shortColor list: Short color names96MIT
colorsnamed-spanishColor list: Spanish color names94MIT
colorsnamed-thesaurusColor list: Thesaurus color names99MIT
colorsnamed-wernerColor list: Werner color names100MIT
colorsnamed-wikipediaColor list: Wikipedia color names96MIT
colorsnamed-windowsColor list: Windows color names98MIT
colorsnamed-x11Color list: X11 color names90MIT
colorsnamed-xkcdColor list: XKCD color names99MIT
colorspaceA crate for colorimetry covering spectral, RGB, XYZ, L*a'b' and conversions thereof2,108Apache-2.0
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-3.0
colorsysA module for color conversion and mutation. Works with RGB(a)( as hexadecimal too), HSL(a), CMYK color models and with ANSI color…1,132,730MIT
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-2.0
colorthief-datasetStatic xkcd color-hierarchy table with pre-computed LAB used by `colorthief` for human-vocabulary color naming.49MIT OR Apache-2.0
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 alacritty13,208MIT
colortypesAn abstract, safe, and concise color conversion library for rust nightly21,972MIT
colorutils-rsHigh performance utilities for color format handling and conversion.183,850BSD-3-Clause OR Apache-2.0
colorverseColor vision diversity (色覚多様性) convertor - not only simulate but also daltonize (色の補正)4,495Apache-2.0
coloryA simple library to make your command line application more colorful!10,659Apache-2.0
colorzA terminal text-coloring library702,614MIT OR Apache-2.0
colossalColossal Cave Adventure8,367AGPL-3.0-or-later
colosseumA variety of arena allocators for Rust, including thread-safe arenas.386,000MIT/Apache-2.0
colossusColossus is a powerful tool for AI-driven text processing and analysis.14,606MIT
colourMacros for creating coloured console output.307,186MIT OR Apache-2.0
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 Rust6,152MIT
colourizerEasily colourize command output7,524non-standard
coloursColor types for different color models with conversions between it.3,610MIT
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.836MIT
colrA general purpose, extensible color type unifying color models and their operations at the type level.93MIT OR Apache-2.0
colr-typesColor model ZSTs and marker traits for colr.110MIT OR Apache-2.0
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-later
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 arrays287MIT
columnqPlace holder1,783Apache-2.0
columnrsA command-line tool for formatting tabular data into columns table2,122MIT
columnsA text manipulation library for displaying separate text in columns.8,605MIT
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-2.0
comUtilities for implementing COM Client and Servers3,553,930MIT
com-comSmart Arduino/microcontroller COM port manager with real-time monitoring, nicknames, and history39MIT
com-croftsoftRe-export of com-croftsoft-* crates8,660MIT
com-croftsoft-coreA core library of highly reusable code19,404MIT
com-croftsoft-libRe-export of com-croftsoft-lib-* crates3,431MIT
com-croftsoft-lib-animationCroftSoft Library for Animation13,872MIT
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 API10,143MIT
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 websites4,349MIT
comacroDeclarative Rust static analysis with macro-like syntax1,931MIT/Apache-2.0
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-2.0
comandareTCP Command Execution4,320MIT
comata better coloring crate8,046MIT
comate-agentCo-mate is an AI-powered architecture copilot, design and governance tools.1,606MPL-2.0
combCLI for the Handlebars templating engine4,214GPL-3.0-or-later
comb-iterIterate over combinations, with allocating1,719MIT
comb-tuiA tiny native terminal-UI engine — surfaces, layers, widgets.39MIT
combadgeCombadge makes Rust Web Workers easy618MIT
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-standard
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-2.0
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.5,874MIT
combinatorial_patternsRust implmementations of combinatronic concepts1,686non-standard
combinatoricsreserved5,400MIT
combinatoryCreate every combination possible of values of 2D collections / iterators.1,058non-standard
combineFast parser combinators on arbitrary streams with zero-copy support.217,871,293MIT
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 stream12,029MIT
combine-proc-macroSupport for using `combine` parser combinators with the `proc_macro` API.12,315MIT/Apache-2.0
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-2.0
combine_codeCLI tool to merge source files by extension while respecting .gitignore rules24MIT
combine_rustcombine for rust (only the client)6,682MIT
combine_traitsA Macro to create Traits wich are just a combination of existing ones.3,998MIT
combine_wasiFast parser combinators on arbitrary streams with zero-copy support.2,677MIT
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…6,129MIT
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…13,548MIT
combo...1,586MIT
combo_derive...1,576MIT
combo_vecA blazingly fast no-std vector-like ADT using the stack (and optionally heap for overflow)20,977MIT
comboiosUnofficial Rust client for Comboios de Portugal (CP) APIs to search stations, get timetables, and retrieve train information522MIT OR Apache-2.0
combomatic🩺 Enumerate safe combinations1,821CC0-1.0
combosPrint all permutations of a word list4,018non-standard
combostewCombostew is an intermediate layer between the image crate and the 'sic' and 'stew' image tool front-ends.9,934MIT
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-later
combpA generic parser combinator library20MIT
combpopType-based parser combinator5,045Apache-2.0/MIT
combuCombu is a yet another mini cli framework.120,149MIT
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-Clause
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 Applications7,395MIT
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-2.0
comembertA tool to remember commands, search them, and write them to the command line to use3,270MIT
comemoIncremental computation through constrained memoization.2,116,589MIT OR Apache-2.0
comemo-macrosProcedural macros for comemo.2,118,709MIT OR Apache-2.0
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-2.0
comet-gcGarbage collection library for implementing VMs in Rust3,742MIT
comet-rsRust eDSL for COMET: domain specific COMpiler for Extreme Targets5,253non-standard
comet-rs-implRust eDSL for COMET: domain specific COMpiler for Extreme Targets4,840non-standard
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-2.0