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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.

debugitDebug-print any value without trait bounds using specialization (Rust nightly channel)223,054Apache-2.0 OR MIT debugless-unwrapUnwrap Result<!Debug, !Debug> and Option<!Debug>930,630MIT OR Apache-2.0Rust patterns debuglnprintln!() in debug, noop in release.3,240MIT debugoffLinux anti-analysis and anti-debugging Rust library43,586GPL-3.0 OR MITDevelopment tools debugprotectorAdvanced antidebugger using assembly calls and winapi functions5,706MIT debugrsA simple Rust logger that mimics the npm debug module.3,356MIT debugs_toolsA Dict tool4,246MIT debugserver-typesType definitions for Visual Code's debug server.5,439,220MIT debugtoolsDebugging tools and implementations for Rust to make debugging easier!23MITDevelopment tools debugtraceEnables backtraces to be attached to values in debug and test builds without incurring a cost in release or bench builds150,774MIT debuguiAdd a gui window to your program to view and manipulate values at runtime1,546MIT/Apache-2.0 debversionDebian version parsing, manipulation and comparison234,845Apache-2.0Parser implementations decA decimal arithmetic library providing high-level, safe bindings to libdecnumber.670,767Apache-2.0API bindings dec-cryptorA high-performance file encryption tool using AES-256-CTR and Argon2id.23MITCommand line utilitiesCryptography dec-numberDecimal Floating Point Arithmetic for Rust4,140MIT dec-number-sysRust bindings for The decNumber C library by IBM Fellow Mike Cowlishaw39,334MIT OR Apache-2.0API bindings dec-sixbitImplementation of DEC SIXBIT encoding3,754MIT OR Apache-2.0EncodingText processing dec64DEC64 implementation in Rust2,647MIT dec64-rsDEC64 decimal floating point with 16 digits of precision39MITMathematicsScience dec_from_charSmall library for converting unicode decimal into numbers66,141MIT OR Apache-2.0Text processing dec_from_char_genGen package for dec_from_char library65,950MIT OR Apache-2.0 decaCHIP-8 interpreter backend13,678MITEmulators decaf-modDebouncing proxy for ACP - coalesces agent message chunks24MIT OR Apache-2.0Development tools decaf377A prime-order group designed for use in SNARKs over BLS12-377306,772MIT OR Apache-2.0 decaf377-fmdAn implementation of Fuzzy Message Detection (FMD).51,669MIT OR Apache-2.0 decaf377-frostAn implementation of FROST built on top of Decaf37736,805MIT OR Apache-2.0 decaf377-kaKey-agreement over Decaf37747,602MIT OR Apache-2.0 decaf377-rdsadecaf377-rdsa is a randomizable signature scheme using the decaf377 group.234,692MIT OR Apache-2.0 decaf377_plusA prime-order group designed for use in SNARKs over BLS12-3773,007MIT OR Apache-2.0 decalDeclarative DSL for describing scenes and rendering them to SVG or PNG735MIT OR Apache-2.0GraphicsMultimedia::Images decal-macrosMacros for constructing Decal nodes861MIT OR Apache-2.0Development tools::Procedural macro helpers decamelizeConvert a camelCase string to a separated lower-case string (e.g. fooBar -> foo_bar). A faithful, zero-dependency port of the…98MIT OR Apache-2.0No standard libraryText processing decamelize-keysRecursively convert the keys of a JSON object from camelCase to a separated lower-case (e.g. fooBar -> foo_bar). A faithful port…16MIT OR Apache-2.0Text processingValue formatting decancerA library that removes common unicode confusables/homoglyphs from strings.710,545MITParsing toolsText processing decantCLI binary for decant — mirrors websites and extracts design systems for AI agents46MIT decant-analysisBackend-agnostic Decant analysis primitives: AOB scanner, pointer-chain resolver, snapshot model.26MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-backendThe MemoryBackend seam: the one trait everything reads/writes guest memory through, plus the scriptable MockBackend/MockGuest…31MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-cliHost-side CLI to drive the daemon: processes, modules, read, write, scan, resolve, diagnostics.16MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-clientClient for the Decant daemon over decant-protocol. Builds for host and windows-gnu.26MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-coreFetch engine, URL frontier, rate limiter, robots.txt, and file writer for decant79MIT decant-daemonThe cellar: native Linux TCP daemon serving decant-protocol over a MemoryBackend.24MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-extractHTML/CSS parsing, link rewriting, design-token and manifest extraction for decant62MIT decant-injectThe injection contract: an Injector trait plus a method-agnostic load request, and the standard public-exports-only injector.…30MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-interposeThe carafe: the Windows interposer DLL. Implements a few Win32/NT exports against the daemon, forwards the rest to the real Wine…16MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-memflowMemflowBackend: the connector over guest physical RAM. Feature-gated (memflow). Connectors load at runtime as plugins, so this…26MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-protocolDecant RPC wire protocol, the funnel. Shared by the Linux daemon and the windows-gnu interposer DLL.38MIT OR Apache-2.0Command line utilitiesDevelopment tools decant-renderHeadless-Chrome SPA rendering for decant (feature-gated)64MIT decant-tuiRatatui 0.30 live dashboard and indicatif fallback for decant63MIT decant-vmiRead and write a Windows VM guest's memory from Linux via memflow. Library facade over the memory backend, the scanner and…20MIT OR Apache-2.0Command line utilitiesDevelopment tools decanterThis crate implements basic cryptographic primitives native to the ecosystem36,387Apache-2.0 decanter-cryptoThis crate implements basic cryptographic primitives native to the ecosystem35,574Apache-2.0 decanter-deriveThis crate implements basic cryptographic primitives native to the ecosystem35,496Apache-2.0 decanter-macrosThis crate implements basic cryptographic primitives native to the ecosystem3,465Apache-2.0 decap_oauthOAuth server for Decap CMS for GitHub.2,836MIT decapodDecapod is a Rust-built governance runtime for AI agents: repo-native state, enforced workflow, proof gates, safe coordination.8,616MITArtificial intelligenceCommand line utilities decartOcto cartridge encoder/decoder11,705MITCommand line utilitiesEncoding decasifyA CLI utility and library to cast strings to title-case according to locale specific style guides including Turkish support39,755LGPL-3.0-only decasmOcto assembler5,680MITCommand line utilitiesCompilers decayZero-dependency TUI framework163Apache-2.0Command-line interfaceCommand line utilities decay-cacheA Redis-like file cache library1,535MITAsynchronousCaching decay_typeMacro for decaying Rust types to their simplest value type form4,078MITDevelopment tools::Procedural macro helpers decayfmtA file format where decay is a first-class property. Every open permanently corrupts the file.39MITCommand line utilitiesFilesystem decdnnf_rsA library for Decision-DNNFs.1,789GPL-3.0-or-laterCommand line utilitiesScience decdsA CLI for Distributed Erasure-Coded Data Storage System916BSD-3-ClauseCompressionCryptography decds-libA Library for Distributed Erasure-Coded Data Storage System1,081BSD-3-ClauseCompressionCryptography decentAn implementation of libdesync2,302LGPL-3.0-or-laterCommand-line interfaceText processing decent-cliA cli of decent1,591LGPL-3.0-or-laterCommand line utilitiesText processing decent-schema-commsAuto-generated types from decent-schema CUE definitions (comms)18MIT OR Apache-2.0 decent-schema-comms-networkAuto-generated types from decent-schema CUE definitions (comms/network)18MIT OR Apache-2.0 decent-schema-comms-sharedAuto-generated types from decent-schema CUE definitions (comms/shared)17MIT OR Apache-2.0 decent-schema-coreAuto-generated types from decent-schema CUE definitions (core)19MIT OR Apache-2.0 decent-schema-core-docsAuto-generated types from decent-schema CUE definitions (core/docs)17MIT OR Apache-2.0 decent-serde-json-alternativeThis crate builds on the json crate to provide the FromJson and ToJson traits. You can pair it with the…9,543MIT decent-serde-json-derive-alternativeA derive proc-macro for the FromJson and ToJson traits defined by the decent-serde-json-alternative crate. It compiles quickly…8,949MIT decent-serde-toml-derive-alternativeA derive proc-macro for the FromToml and ToToml traits defined by the decent-toml-rs-alternative crate. It compiles quickly but…13,574MIT decent-synquote-alternativeAn alternative to the syn and quote crates for when you want to write your own derive proc-macro. It was originally based on the…25,233MITDevelopment tools::Procedural macro helpers decent-toml-rs-alternativeA fork of the toml-rs crate (by Alex Crichton) that does not depend on serde. It is much less powerful, less documented, and not…12,792MITParser implementations decentralized-internetA library to create decentralized and grid computing applications via Rust18,332MITDevelopment tools decentralized_governance_libA library for decentralized decision making, fair division algorithms, and governance mathematics302MITAlgorithmsMathematics decentralized_idDecentralized Identification3,147non-standardCommand line utilities dechdev_restA Rust library for REST by DECHDEV.47MIT OR Apache-2.0 dechdev_rsA Rust library by DECHDEV.6,990MIT OR Apache-2.0 dechodeDechoder to ASCII1,845non-standard decibelQuick conversion utilities for decibel values9,425Apache-2.0 decibriCross-platform audio capture, playback, and voice activity detection for Rust588Apache-2.0Multimedia::Audio decibri-cliCross-platform CLI for audio capture, playback, and device management99Apache-2.0Command line utilitiesMultimedia::Audio decibri-resamplerStreaming sample-rate resampler for mono f32 audio.1,039Apache-2.0Multimedia::Audio decibri-rsOfficial alias crate for Decibri. Prefer using the decibri crate directly.20Apache-2.0Multimedia::Audio decidea cli tool, aimed to help you to decide, wich project to work on3,161MIT OR Apache-2.0 decide-coreA fast, lightweight permission engine for Rust and TypeScript with condition support.900MITAuthenticationConfiguration decidera package for AB-testing and dynamic config10,269MIT decider-distroDistribution package for the decider spell including all services, configs and scripts used by it58,061Apache-2.0 decider-distro-testDistribution package for the decider spell including all services, configs and scripts used by it5,211Apache-2.0 deciduousDecision graph tooling for AI-assisted development. Track every goal, decision, and outcome. Survive context loss. Query your…2,136Apache-2.0Command line utilitiesDevelopment tools decimalDecimal floating point arithmetic for Rust1,780,184Apache-2.0 decimal-bytesArbitrary precision decimals with lexicographically sortable byte encoding34,944MITData structuresEncoding decimal-coreOraichain Labs1,115MIT decimal-percentagePercentage type with rust_decimal554,036MIT decimal-rsHigh precision decimal implementation for Rust990,734Apache-2.0 decimal-scaledConst-generic base-10 fixed-point decimals (D18/D38/D76/D153/D307 and the half-width tiers up to D1232) with integer-only…406MIT OR Apache-2.0FinanceMathematics decimal-scaled-goldenLibrary-agnostic golden value set, validator, and comparison harness for decimal libraries17MIT OR Apache-2.0Development tools::TestingMathematics decimal-wadMath for preserving precision floats up to 18 decimal places.122,025MIT decimal64Fast fixed point arithmetic that only uses u64 as internal representation.6,159MITData structuresFinance decimal_fixes_mirrorDecimal floating point arithmetic for Rust2,113Apache-2.0 decimal_scaled_macrosCompile-time decimal literal proc-macros for the decimal-scaled crate — one per width tier (`d18!`, `d38!`, `d57!`, `d76!`,…313MIT OR Apache-2.0MathematicsNo standard library decimalsA Rust library for rounding to a number of decimal places1,664MIT OR Apache-2.0 decimalx/types/ 十进制数值类型(ADR-006/007,spec §4.2)69MIT decimateSimple decimal library in pure Rust7,732MIT decimaxFast, fixed-size, floating-point decimal types.54MITData structuresFinance decimusDecimal Floating-Point Math Library for Rust2,934MIT OR Apache-2.0Mathematics decisionc4.5和cart分类算法5,878MIT OR Apache-2.0 decision-driftDetect drift between your DECISIONS.md / ADR log and your actual code and git history. Installs the `govctl` command.37MITCommand line utilitiesDevelopment tools decision-tree-rsDecision tree implementation: ID3 algorithm, information gain, Gini impurity, pruning, and prediction17MIT OR Apache-2.0AlgorithmsMathematics decision_cockpitLayer — product decision memory with MCP tools and an embedded review dashboard16MITDevelopment toolsWeb programming decision_tableData structure for storing and validating decision tables3,042MITData structures decision_transformer_dfdxA fast, extensible implementation of Decision Transformers in Rust using dfdx. Based on the paper Decision Transformer:…954MIT decision_treeTiny decision tree library2,274MIT decisiongraphText-based knowledge graph for company-level decision making. Track architecture decisions, incidents, processes, and company…76AGPL-3.0Command line utilitiesDevelopment tools deckA command line tool to generate HTML presentations from Markdown documents4,908MIT deck-coreShared domain types, traits, and config for ono-sendai200MIT OR Apache-2.0 deck-farfalleGeneric Farfalle construction and Kravatte and Xoofff instantiations in the `crypto-permutation` framework1,602MIT OR Apache-2.0No standard library deck-llmLLM backend trait + Ollama HTTP implementation for ono-sendai90MIT OR Apache-2.0 deck-mcpMCP (Model Context Protocol) client with stdio transport for ono-sendai90MIT OR Apache-2.0 deck-orchestratorCentral mpsc hub coordinating LLM/MCP/store/sandbox tasks (ono-sendai)68MIT OR Apache-2.0 deck-pluginWASM plugin host trait + manifest types (ono-sendai). Loader is wired in 0.2.43MIT OR Apache-2.0 deck-rsPresentations in the terminal1,607MIT OR Apache-2.0Command-line interfaceCommand line utilities deck-sandboxseccomp + landlock sandbox host for untrusted MCP servers (ono-sendai)90MIT OR Apache-2.0 deck-storeSQLite session store for ono-sendai (age encryption planned for 0.2)91MIT OR Apache-2.0 deck-tuiratatui-based TUI for ono-sendai43MIT OR Apache-2.0 deck_codesA library for decoding and encoding Hearthstone's deck code format7,146MIT deck_of_cardsA deck of 52 playing cards1,610MIT deckardA crate to represent and manipulate standard playing cards16MIT OR Apache-2.0GamesNo standard library deckbuilder_engA modular engine for deck-builder games with egui UI, audio, and card/deck/game logic.1,177MIT OR Apache-2.0Game enginesGUI deckhandPresent markdown slide decks as a TUI — live embedded terminals, a 2-D slide grid, presenter notes, and a wasm presenter for the…44MITCommand line utilitiesText processing deckhidrawSteam Deck gamepad raw input160BSD deckle-desktopDeckle — open-source UI design tool with MCP server for AI agents88MITGUI decklinkBlackmagic Decklink NDI bindings for rust8,472MIT/Apache-2.0 decklistA tool to check if you can build a deck based on your Magic: the Gathering collection.2,721UnlicenseGames deckmintCreate PowerPoint presentations programmatically in Rust309MITEncodingParser implementations deckmint-mathLaTeX/MathML to PowerPoint OMML equation converter388MIT deckmint-wasmWASM bindings for deckmint137MIT deckofcardsAn API to implement a deck of cards17,498LGPL-2.1 decksterTui to study flashcards in the terminal3,043MIT deckyfx-dioxus-ipc-bridgeHTTP-like IPC bridge for Dioxus desktop/web/mobile apps with bidirectional JS-Rust communication224MIT OR Apache-2.0GUIWeb programming deckyfx-dioxus-ipc-bridge-macrosProc macros for deckyfx-dioxus-ipc-bridge372MIT OR Apache-2.0 deckyfx-dioxus-react-integrationServe React apps with Dioxus runtime and IPC bridge80MIT OR Apache-2.0GUIWeb programming declDeclarations for Rust. (placeholder)1,663Apache-2.0 declarationA simple crate for parsing mathematical terms1,570MIT declaration_siteIterate through the debug info associated with currently loaded functions2,995MIT OR Apache-2.0Visualization declarativeGeneric DSL macros for easy view code manipulation16,741Apache-2.0 OR MITGUI declarative-dataflowA reactive query engine built on Differential Dataflow.3,463MIT declarative-envThis crate parses and populates a struct with the environmental variables defined in a file, for having the documentation and the…603MPL-2.0 declarative-gpuiDeclarative ui! macro for building GPUI element trees with Tailwind-style tokens at zero runtime cost44MIT OR Apache-2.0Development tools::Procedural macro helpersGUI declarative-gpui-coreParsing and expansion core for the declarative-gpui ui! GPUI macro53MIT OR Apache-2.0 declarative-macrosGeneric DSL macros for easy view code manipulation18,523Apache-2.0 OR MITGUI declarative-postgres-migrateDeclarative, ORM-agnostic PostgreSQL and CockroachDB schema migration: introspect two databases (or SQL files / saved catalogs),…32MITCommand line utilitiesDatabase interfaces declarative_enum_dispatchDeclarative macro generating boilerplate for enum dispatch8,660MIT OR Apache-2.0Rust patterns declarative_lockA thread-aware resource locking manager for Rust that enforces declaration-before-locking, guaranteeing deadlock freedom and…432MIT declarative_type_stateA collection of declarative macros to reduce boilerplate code when implementing type-state patterns26,569MITData structuresRust patterns declareProvides macros for reducing boilerplate around common Rust patterns - newtype variants, common accessors, field traits, etc.1,076Apache-2.0 declare-macrosMacros for the declare crate96Apache-2.0 declare_implImplementation of the proc macro for the error_set crate.978Apache-2.0 declare_schemaCLI / Library for Postgres schema migrations27,475Apache-2.0 declart-cliDeclart CLI — render declarative prose diagrams to SVG/PNG (binary name: declart)40MITCommand line utilitiesVisualization declart-coreDeclarative prose-diagram engine — parse TOML/JSON declarations and render SVG63MITRenderingVisualization declawedTelegram bridge for controlling Codex on a remote machine23MIT OR Apache-2.0Command line utilitiesDevelopment tools declerrorDeclarative macros to "derive" Error.83MITDevelopment tools::Procedural macro helpersNo standard library decline-curve-analysisUtilities for decline curve analysis (e.g., Arps equations)1,896MIT OR Apache-2.0 decline-wordChoose word form based on given number4,055MIT OR Apache-2.0Text processing declioA declarative I/O serialization library.11,104MITEncodingParsing tools declio_deriveDerive macros for declio11,940MITEncodingParsing tools declusterIteratively declusters and replaces a randomised set of 2D points until a set is discovered where each point is separated by at…23,033MITAlgorithms declutterdeclutter url lists1,642non-standardWeb programming declxml`declxml` is a Rust crate that lets you **declare XML trees at compile time** with macros and provides deserializers with derive…275MITEncodingParser implementations declxml-macros`declxml-macros` Used By `declxml` Crate360MITEncodingParser implementations decmathlib-rsPort of the Intel Decimal Floating-Point Math Library decimal128 type to Rust.9,472MIT decmpfsApply OS-level transparent filesystem compression (APFS decmpfs / btrfs / NTFS) to a file in place.5,287MITFilesystem decnumber-sysLow-level bindings for libdecnumber.651,264ICUExternal FFI bindings decoEasy macros to make terminal output colorful and decorative5,240MIT OR Apache-2.0 deco-rsDECO: Liberating Web Data Using Decentralized Oracles for TLS1,509MIT/Apache-2.0 decoctdecoct1,831BSD-3-Clause decodalParser, evaluator, and embedding API for the Decodal data description language.64MIT OR Apache-2.0ConfigurationParser implementations decodal-deriveDerive macro for generating Decodal schemas and typed decoders from Rust structs.29MIT OR Apache-2.0ConfigurationDevelopment tools::Procedural macro helpers decodeA High-Performance Query Tool for JSON, YAML and TOML731MITCommand line utilitiesDevelopment tools decode-starknet-calldataDecode Starknet calldata4,097MIT decode1090Companion application to rs1090 to decode Mode S and ADS-B signals28,328MIT decode_kyma_vcs_eventA Rust crate to decode optimised Symbolic Sound Kyma '/vcs,b' OSC messages into EventID-value pairs.7,859MIT OR Apache-2.0EncodingParsing tools decode_rawA protobuf debugging tool – `protoc --decode_raw` on steroids.8,306Apache-2.0 decoded-charSimple wrapper to keep track of the original byte length of a decoded character in the encoded source file.3,077,448MIT/Apache-2.0Data structures decodemeDecoding definitions of the profiling event data from `measureme`931,996MIT OR Apache-2.0 decoderA decoder library for your types4,009MIT decoder_valueA generic decoder value4,245MIT decodexRepo-native orchestration for autonomous coding agents.20GPL-3.0 decoherePlaceholder — under active development.16MIT decollCommand-line interface for blazing-fast locale-aware sorting using decollate380MITCommand line utilitiesText processing decollateBlazing-fast, locale-aware, context-free string collation566MITInternationalization (i18n)Text processing decolorAsynchronous runtime abstractions for implicit function decoloring.3,977MITAsynchronousDevelopment tools::Procedural macro helpers decomDecompress streams with codec defined by the stream itself50MITCompression decommerceDecentralized Ecommerce3,072non-standard decompComponents of a decompilation pipeline.4,484UnlicenseCompilersData structures