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.

chainspecTetsy Vapory Chain Specification1,722GPL-3.0 chainspec-builderchainspec-builder is a lib1,300MIT chainstateCLI utility to examine the health of EVM-compatible nodes via JSON-RPC API2,885MIT chainstream-sdkSDK for interacting with the ChainStream API579MITAPI bindings chaintableSwissTable-style hash map with O(1) random sampling for Redis-style eviction58MITData structures chaintesterchain tester for rust smart contracts4,923Apache-2.0Embedded developmentNo standard library chainthruEVM Indexer1,303MIT chainthru-clientEthereum Indexer2,386MIT chainthru-indexEVM Indexer1,518MIT chainthru-middlewareEthereum Indexer2,443MIT OR Apache-2.0 chainthru-primitivesEVM Indexer1,801MIT chainthru-serverEVM Indexer1,499MIT chaintoolswork with .chain files in Rust1,908MIT chainvaultReusable Rust crates for Chainvault projects1,419MIT chainviewTerminal UI for option chains, Greeks and volatility - real-time market data and backtest replay in your terminal.12MITCommand line utilitiesFinance chainythingA Rust-based DAG pipeline execution engine with strong typing and automatic topological sorting99MITDevelopment tools chainything-uiVisual node editor for Chainything DAG pipeline engine79MITDevelopment toolsGraphics chainzCLI for managing EVM chain configurations, RPC endpoints, and private keys15MITCommand line utilitiesCryptography::Cryptocurrencies chairAn efficient binary mesh format which is both small and extremely fast to read.12,088GPL-3.0-or-laterGraphics chair-rbCrate containing a Rust port of the ring buffers from the Aeron and compatible with the ring buffers in the…2,010Apache-2.0 chairmarkbenchmarking library without unstable stuff1,561MIT chaissAn intelligent, AI-assisted chessboard built from the ground up natively in Egui.114Apache-2.0GamesGUI chaiss-coreIntelligent backend AI Core mapping chess geometry organically.187Apache-2.0AlgorithmsGames chaiwalaService Layer for Kucoin Arbitrage, along with Continuous Deployment6,454MIT chakaName reserved for tawasuyu's legacy bridge. Not distributed via crates.io yet — source lives in the tawasuyu monorepo.17MIT OR Apache-2.0 chakraA WebAssembly Runtime5,999MITCommand line utilitiesDevelopment tools chakracoreHigh-level bindings to JRST, the ChakraCore API5,091MIT chakracore-sysLow-level bindings to JSRT, the ChakraCore API14,404MIT chalamet_pirSimple, Stateful, Single-Server Private Information Retrieval for Key-Value Databases4,591MPL-2.0ConcurrencyCryptography chalametpir_clientClient Implementation of ChalametPIR: Simple, Stateful, Single-Server Private Information Retrieval for Key-Value Databases1,016BSD-3-ClauseConcurrencyCryptography chalametpir_commonCommon Utilities for ChalametPIR: Private Information Retrieval for Key-Value Databases1,421BSD-3-ClauseConcurrencyCryptography chalametpir_serverServer Implementation of ChalametPIR: Simple, Stateful, Single-Server Private Information Retrieval for Key-Value Databases1,000BSD-3-ClauseConcurrencyCryptography chalkTerminal styling library for rust4,512 chalk-clientRust client SDK for the Chalk feature store6,166Apache-2.0API bindings chalk-deriveA helper crate for use by chalk crates for `derive` macros.5,174,026MIT OR Apache-2.0 chalk-engineCore trait engine from Chalk project2,093,692MIT OR Apache-2.0 chalk-irChalk's internal representation of types, goals, and clauses5,145,685MIT OR Apache-2.0 chalk-macrosMacros for Chalk643,682Apache-2.0/MIT chalk-metricsFast composable metrics defined in JSON and built at compile time22Apache-2.0 chalk-plusa simple chalk.js port to rust878MIT chalk-recursiveRecursive solver for the Chalk project3,639,649MIT OR Apache-2.0 chalk-rust-irA library that defines the IR for Rust concepts like traits and impls.68,287Apache-2.0/MIT chalk-solveCombines the chalk-engine with chalk-ir5,003,622MIT OR Apache-2.0 chalk_rsA crate which adds colors and styles to your terminal program13,425non-standardCommand-line interface chalkboardA tool to draw things1,644MIT challengeA lightweight CLI for ALTCHA Proof-of-Work v2 challenges.18MITAuthenticationCommand line utilities challenge-bypass-ristrettoA rust implemention of the privacy pass cryptographic protocol using the Ristretto group (WIP)113,320MPL-2.0 challenge-promptchallenge-prompt makes the user pause before doing something dangerous6,894Apache-2.0Command line utilities challenge_responsePerform HMAC-SHA1 and OTP challenges with YubiKey, OnlyKey and NitroKey, in pure Rust.109,420MIT OR Apache-2.0Authentication challongeClient library for the Challonge REST API13,867MIT chamberA CLI tool that listens to audio input, saves it to a WAV file, and plays it back1,749MITCommand-line interfaceMultimedia::Audio chamber-apiREST API server for Chamber secrets manager1,186MITCommand line utilitiesFilesystem chamber-backupBackup functionality for Chamber secrets manager1,164MITCommand line utilitiesFilesystem chamber-cliThe CLI for Chamber, the self-hostable SecretOps service.2,720MIT chamber-coreThe core for Chamber, the self-hostable SecretOps service.6,109MIT chamber-import-exportImport/export functionality for Chamber secrets manager1,702MITCommand line utilitiesFilesystem chamber-password-genPassword generation utilities for Chamber secrets manager1,540MITCommand line utilitiesFilesystem chamber-secret-manager-cliCLI interface for Chamber secrets manager990MITCommand line utilitiesFilesystem chamber-tuiA secure, local-first secrets manager with encrypted storage and zero-knowledge architecture773MITCommand line utilitiesCryptography chamber-uiTUI interface for Chamber secrets manager972MITCommand line utilitiesFilesystem chamber-vaultCore vault functionality for Chamber secrets manager1,892MITCommand line utilitiesFilesystem chamberlain-coreChamberlain framework core: heartbeat tick, trigger discovery, JS runtime host, state store, OS notification, tray15MIT OR Apache-2.0Development toolsGUI chameleonA simple library for use one Rust code in multi platforms such as WebAssembly, Android and iOS39,490MIT chameleon-pqExperimental hybrid post-quantum VPN (ML-KEM-768 + X25519 key agreement, hybrid Ed25519 + ML-DSA-65 peer auth). UNAUDITED — for…352Apache-2.0Command line utilitiesCryptography chameleon-thA universal theme switcher for unix systems2,435MIT chameleosScreen annotation tool for niri and Hyprland132MIT chamkhoKhmer, Lao, Myanmar, and Thai word segmentation/breaking library and command line86,464Apache-2.0 chamomileAnother P2P Library. Support IoT devices.35,550MIT/Apache-2.0Network programmingWeb programming chamomile_typesAnother P2P Library. Support IoT devices.30,736MIT/Apache-2.0Network programmingWeb programming chamoxA Rust procedural macro to inject obfuscated, meaningless code to increase reverse engineering complexity.4,003MIT OR Apache-2.0CompilersCryptography champCommand-line Hero for the Ampersand Metadata Protocol1,073EUPL-1.2 champ-triePersistent hash map based on CHAMP — canonical form, O(1) structural equality via AdHash, COW structural sharing4,390Apache-2.0Data structures championshipGenerate championship fixtures using the round-robin tournament algorithm1,595MITAccessibilityAlgorithms chanDEPRECATED. Use crossbeam-channel instead.609,056Unlicense/MIT chan-downloaderCLI to download all images/webms of a 4chan thread15,296MITCommand line utilities chan-langChan Programming Language1,636GPL-3.0 chan-rsEfficiently Interact with an LSP process3,685non-standard chan-runtimeRuntime system for the Chan Programming Language1,646GPL-3.0 chan-signalDEPRECATED. Use crossbeam-channel and signal-hook instead.190,043Unlicense/MIT chance[WIP] Random number generation2,186MIT OR Apache-2.0AlgorithmsNo standard library chandelierFinancial charting widgets for Ratatui.138MIT OR Apache-2.0Command-line interfaceFinance chandeliers-errInternal error message generators for the Chandeliers project27,117MIT OR Apache-2.0 chandeliers-lusProcedural macros for the Chandeliers project, implementing a deep embedding of Lustre in Rust25,385MIT OR Apache-2.0 chandeliers-sanAST definition and static analysis procedures of Candle30,872MIT OR Apache-2.0 chandeliers-semSemantics of Candle, a shallow embedding of Lustre in Rust38,663MIT OR Apache-2.0 chandeliers-stdA standard library for the Chandeliers suite24,443MIT OR Apache-2.0 chandeliers-synSyntax of the Lustre language, to be parsed by procedural macros25,822MIT OR Apache-2.0 chandlerGNU tar normalizer3,301BSD-2-Clause chandraWill contain more information soon2,038MIT OR Apache-2.0 chandra-kernelWill contain more information soon2,521MIT OR Apache-2.0 changPostgres utilities1,559MPL-2.0 changescan dir find changed files, ignore files in .gitignore13,742MulanPSL-2.0 change-a-changelogchange-a-changelog helps you mantain your changelog respecting "keep-a-changelog" format.1,586MITCommand line utilitiesParser implementations change-caseTransform a string between camelCase, PascalCase, Capital Case, snake_case, param-case, CONSTANT_CASE and others.120,431MITText processing change-case-rsConvert strings between camelCase, snake_case, PascalCase, kebab-case, and more23MITText processing change-detectionA library to generate change detection instructions during build time.1,072,185Unlicense OR MITDevelopment tools::Build Utils change-git-log-authorChange git log author1,510MIT change-git-userManage multiple git configurations10,566MITCommand line utilities change-scribeA tool that validates that commit messages follow the conventional commit format, and lints them according to a configuration…1,196GPL-3.0Command line utilitiesDevelopment tools change-user-runRun commands as other users and create users13,438Apache-2.0 OR MIT change_streamA Stream that only emits if the value is different.1,584MIT OR Apache-2.0AsynchronousRust patterns changebaseLight CLI tool to convert numbers from one base to another.1,647GPL-3.0 changecaseA trait and implementation for changing the case of Strings and &str. It currently supports uppercase, lowercase, alternating…15,360MIT changedSimple change detection4,313MIT OR Apache-2.0Data structures changed-files-rsRust port jest-changed-files8,280MIT changeforestRandom Forests for Change Point Detection25,213BSD-3-Clause changelogChangelog generator24,637MIT OR Apache-2.0 changelog-builderCreate changelogs (compatible with towncrier)70AGPL-3.0-or-laterCommand line utilities changelog-genHelper program to manage a changelog15,980GPL-3.0Development tools changelog-harvesterHarvest your changelog44MPL-2.0Command line utilitiesDevelopment tools changelog-itgithub releases based on milestones, including merged pull requests, contributors and organized by topics.884Apache-2.0 changelog-mdDeveloper-friendly Changelog generation3,399MITCommand line utilitiesDevelopment tools changelog-rsGenerates CHANGELOG.md files based on git commit and tag information.7,343MIT changelog-rustA tool to generate release changelogs3,041non-standardCommand line utilities changelog-yamlgenerate a changelog from a yaml file1,551MIT changelog_documentFeature-rich changelog format. Include a parser and serializer.12,882GPL-3.0Parsing tools changeloggera cli tool in the making6,248MIT changeloggingBuilding changelogs from fragments.15,392MITCommand line utilitiesDevelopment tools changelogsManage versioning and changelogs for Cargo workspaces459MIT OR Apache-2.0Command line utilitiesDevelopment tools changenHelper program to manage a changelog3,346GPL-3.0Development tools changennIntuitive, good-defaults changelog generation.408MIT changenogZero-config changelog generator with monorepo support.2,269ISCCommand line utilitiesDevelopment tools changenog-stagingZero-config changelog generator with monorepo support.1,321ISCCommand line utilitiesDevelopment tools changepacksA unified version management and changelog tool for multi-language projects804Apache-2.0 changepacks-cliCLI interface and commands for changepacks1,049Apache-2.0 changepacks-coreCore types and traits for changepacks workspace and package management2,049Apache-2.0 changepacks-csharpC# (.NET) project support for changepacks (NuGet)441Apache-2.0 changepacks-dartDart project support for changepacks (pub)1,138Apache-2.0 changepacks-javaJava/Gradle project support for changepacks469Apache-2.0 changepacks-nodeNode.js project support for changepacks (npm, pnpm, yarn)1,141Apache-2.0 changepacks-pythonPython project support for changepacks (pip, uv)1,139Apache-2.0 changepacks-rustRust project support for changepacks (Cargo)1,134Apache-2.0 changepacks-utilsShared utilities for changepacks (path handling, version calculation, git operations)1,919Apache-2.0 changepointChange Point Detection in Rust136,889MITScience changesCompute the differences between two states1,997MIT OR Apache-2.0 changes-streamcouchdb follower2,517MIT changes-stream2couchdb follower25,151MIT changesetA small library to generate changeset3,625MIT changeset-changelogChangelog generation and management for changesets389MITDevelopment tools::Cargo plugins changeset-coreCore types and traits for cargo-changeset638MITDevelopment tools::Cargo plugins changeset-gitGit operations for cargo-changeset363MITDevelopment tools::Cargo plugins changeset-manifestFormat-preserving Cargo.toml read/write operations319MITDevelopment tools::Cargo plugins changeset-operationsCore operations and business logic for cargo-changeset245MITDevelopment tools::Cargo plugins changeset-parseParser for changeset files307MITDevelopment tools::Cargo pluginsParser implementations changeset-projectCargo project discovery and management for changesets337MITDevelopment tools::Cargo plugins changeset-sagaSaga pattern for atomic multi-step operations273MITRust patterns changeset-versionVersion bumping logic for cargo-changeset306MITDevelopment tools::Cargo plugins changesetsA library for parsing and creating changeset files1,436,041MIT OR Apache-2.0Development tools changxiTUI EPUB Reader87non-standard chanlun基于缠论(缠中说禅)理论的量化技术分析核心库,支持流式数据处理和多周期联立分析。613MITAlgorithmsFinance channelRust advanced queue library14,596MITAlgorithmsConcurrency channel-access-token-lineThis document describes Channel Access Token API.1,202Unlicense channel-asyncAsync/Stream Extensions for crossbeam-channel13,183MITAsynchronousNetwork programming channel-bridgeBlocking and async Sender and Receiver traits and implementations.16,510MIT OR Apache-2.0Embedded development channel-capacityShannon channel capacity, discrete memoryless channels (BSC, BEC, Z-channel), mutual information, capacity with cost constraints,…15MITAlgorithmsMathematics channel-drainDrain channels with simple syntax1,643ZlibConcurrency channel-protocolEnable function-based communication instead of enum message sending. All based on channels.413MIT channel-receiverChannel Receiver7,790Apache-2.0 OR MIT channel-senderChannel Sender9,076Apache-2.0 OR MIT channel-servercrate request/response topic-publish/subject by channels in multithreads1,695MIT channel-server-derivederive lib for channel-server crate2,390MIT channel_ioReader implementation on channel of bytes5,508Unlicense/MITAsynchronousConcurrency channel_pipesPerform operations on broadcast queues.2,974MITConcurrency channel_pluginThe fastest, most secure and extendable digital workforce platform2,114MIT channellibtools for enriching communication between threads15MITConcurrency channelmapA DashMap wrapper over Tokio channels2,535MITAsynchronousConcurrency channelsBidirectional channel-like communication over generic Read/Write streams.38,409MITNetwork programming channels-console⚠ DEPRECATED: merged into the hotpath crate.1,130MITDevelopment tools channels-ioAsync agnostic/Sync IO & buffer management abstractions.7,305MITAsynchronousNetwork programming channels-macrosProcedural macros for channels.3,349MITDevelopment tools channels-packetUtilities to parse channels packets.6,381MITNo standard libraryParser implementations channels-rsIt is low latency channels for inter-thread messaging211MIT channels-serdesUtilities to serialize/deserialize types.7,927MITParser implementationsParsing tools channels_sv2Sv2 Channel Primitives26,021MIT OR Apache-2.0 channelz_brotliBrotli (C) compression for ChannelZ.16,282WTFPL chanomachanoma is Characters Normalization library. 文字列正規化処理用のライブラリです。4,201MITAlgorithmsCommand line utilities chantShell glamour - beautiful prompts and output for scripts 🪄239MIT OR Apache-2.0Command-line interface chanveseAn implementation of Chan-Vese level-sets.2,000MIT/Apache-2.0 chaoA simple lisp repl1,940MIT chaogrepA mini grep1,364MIT chaosPassword metadata storage and xsalsa20 hasher16,195Unlicense chaos-clock-skewLD_PRELOAD shim that skews clock_gettime() for chaos-engineering of DDS clock-sync invariants (WP 5.F.2).109Apache-2.0Development tools::TestingOperating systems::Unix APIs chaos-engineA rust crate to develop text-based games for terminals.750MIT chaos-engine-containA crate that helps with the development of chaos-engine projects.765MIT chaos-frameworkGame framework for creating games!5,571MIT OR Apache-2.0 chaos-gameA simple command-line application for generating fractals using the 'Chaos Game' algorithm.2,406MIT chaos-game-macrosProcedural macros for the chaos-game crate.1,051MIT chaos-rsMinimal library for chaos testing1,472MITDevelopment tools::Testing chaos-sdkA lightweight IPFS client designed for an optimized, end-user experience1,658MIT chaos-type-clientClient for Chaos Type, a typing game.419MIT chaos-type-serverA WebSocket server for Chaos Type, a typing game.413MIT chaos-vkGraphics framework tuned for chaos framework3,889MIT OR Apache-2.0 chaos_theoryModern property-based testing and structure-aware fuzzing library4,509MPL-2.0Development tools::TestingRust patterns chaos_theory_deriveDerive macro for chaos_theory::Arbitrary172MPL-2.0Development tools::TestingRust patterns chaosguitest for trait1,735MIT chaotestchaotic testing proxy4,115MIT chaotic-tempest-testbedLibrary for automating workflows and testing NEAR smart contracts.1,719MIT OR Apache-2.0 chaotic_networksDiscrete Graphs for Indiscrete Researchers - Networks with Grothendieck Topology.1,140CC-BY-NC-4.0 chaotic_semantic_memoryAI memory systems with hyperdimensional vectors and chaotic reservoirs11,788MITAlgorithmsData structures chapChap is an easy to learn, interpretive, scripting language written in Rust4,083GPL-3.0Command-line interfaceCompilers