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.
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-2.0
debuglnprintln!() in debug, noop in release.3,240MIT
debugoffLinux anti-analysis and anti-debugging Rust library43,586GPL-3.0 OR MIT
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!23MIT
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-2.0
decA decimal arithmetic library providing high-level, safe bindings to libdecnumber.670,767Apache-2.0
dec-cryptorA high-performance file encryption tool using AES-256-CTR and Argon2id.23MIT
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-2.0
dec-sixbitImplementation of DEC SIXBIT encoding3,754MIT OR Apache-2.0
dec64DEC64 implementation in Rust2,647MIT
dec64-rsDEC64 decimal floating point with 16 digits of precision39MIT
dec_from_charSmall library for converting unicode decimal into numbers66,141MIT OR Apache-2.0
dec_from_char_genGen package for dec_from_char library65,950MIT OR Apache-2.0
decaCHIP-8 interpreter backend13,678MIT
decaf-modDebouncing proxy for ACP - coalesces agent message chunks24MIT OR Apache-2.0
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-2.0
decal-macrosMacros for constructing Decal nodes861MIT OR Apache-2.0
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-2.0
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-2.0
decancerA library that removes common unicode confusables/homoglyphs from strings.710,545MIT
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-2.0
decant-backendThe MemoryBackend seam: the one trait everything reads/writes guest memory through, plus the scriptable MockBackend/MockGuest…31MIT OR Apache-2.0
decant-cliHost-side CLI to drive the daemon: processes, modules, read, write, scan, resolve, diagnostics.16MIT OR Apache-2.0
decant-clientClient for the Decant daemon over decant-protocol. Builds for host and windows-gnu.26MIT OR Apache-2.0
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-2.0
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-2.0
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-2.0
decant-memflowMemflowBackend: the connector over guest physical RAM. Feature-gated (memflow). Connectors load at runtime as plugins, so this…26MIT OR Apache-2.0
decant-protocolDecant RPC wire protocol, the funnel. Shared by the Linux daemon and the windows-gnu interposer DLL.38MIT OR Apache-2.0
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-2.0
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.8,616MIT
decartOcto cartridge encoder/decoder11,705MIT
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 assembler5,680MIT
decayZero-dependency TUI framework163Apache-2.0
decay-cacheA Redis-like file cache library1,535MIT
decay_typeMacro for decaying Rust types to their simplest value type form4,078MIT
decayfmtA file format where decay is a first-class property. Every open permanently corrupts the file.39MIT
decdnnf_rsA library for Decision-DNNFs.1,789GPL-3.0-or-later
decdsA CLI for Distributed Erasure-Coded Data Storage System916BSD-3-Clause
decds-libA Library for Distributed Erasure-Coded Data Storage System1,081BSD-3-Clause
decentAn implementation of libdesync2,302LGPL-3.0-or-later
decent-cliA cli of decent1,591LGPL-3.0-or-later
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…25,233MIT
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…12,792MIT
decentralized-internetA library to create decentralized and grid computing applications via Rust18,332MIT
decentralized_governance_libA library for decentralized decision making, fair division algorithms, and governance mathematics302MIT
decentralized_idDecentralized Identification3,147non-standard
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-2.0
decibri-cliCross-platform CLI for audio capture, playback, and device management99Apache-2.0
decibri-resamplerStreaming sample-rate resampler for mono f32 audio.1,039Apache-2.0
decibri-rsOfficial alias crate for Decibri. Prefer using the decibri crate directly.20Apache-2.0
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.900MIT
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-2.0
decimalDecimal floating point arithmetic for Rust1,780,184Apache-2.0
decimal-bytesArbitrary precision decimals with lexicographically sortable byte encoding34,944MIT
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-2.0
decimal-scaled-goldenLibrary-agnostic golden value set, validator, and comparison harness for decimal libraries17MIT OR Apache-2.0
decimal-wadMath for preserving precision floats up to 18 decimal places.122,025MIT
decimal64Fast fixed point arithmetic that only uses u64 as internal representation.6,159MIT
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-2.0
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.54MIT
decimusDecimal Floating-Point Math Library for Rust2,934MIT OR Apache-2.0
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.37MIT
decision-tree-rsDecision tree implementation: ID3 algorithm, information gain, Gini impurity, pruning, and prediction17MIT OR Apache-2.0
decision_cockpitLayer — product decision memory with MCP tools and an embedded review dashboard16MIT
decision_tableData structure for storing and validating decision tables3,042MIT
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-3.0
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-2.0
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-2.0
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-2.0
deckbuilder_engA modular engine for deck-builder games with egui UI, audio, and card/deck/game logic.1,177MIT OR Apache-2.0
deckhandPresent markdown slide decks as a TUI — live embedded terminals, a 2-D slide grid, presenter notes, and a wasm presenter for the…44MIT
deckhidrawSteam Deck gamepad raw input160BSD
deckle-desktopDeckle — open-source UI design tool with MCP server for AI agents88MIT
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.2,721Unlicense
deckmintCreate PowerPoint presentations programmatically in Rust309MIT
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-2.0
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-2.0
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-2.0
declarativeGeneric DSL macros for easy view code manipulation16,741Apache-2.0 OR MIT
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-2.0
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 MIT
declarative-postgres-migrateDeclarative, ORM-agnostic PostgreSQL and CockroachDB schema migration: introspect two databases (or SQL files / saved catalogs),…32MIT
declarative_enum_dispatchDeclarative macro generating boilerplate for enum dispatch8,660MIT OR Apache-2.0
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 patterns26,569MIT
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)40MIT
declart-coreDeclarative prose-diagram engine — parse TOML/JSON declarations and render SVG63MIT
declawedTelegram bridge for controlling Codex on a remote machine23MIT OR Apache-2.0
declerrorDeclarative macros to "derive" Error.83MIT
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-2.0
declioA declarative I/O serialization library.11,104MIT
declio_deriveDerive macros for declio11,940MIT
declusterIteratively declusters and replaces a randomised set of 2D points until a set is discovered where each point is separated by at…23,033MIT
declutterdeclutter url lists1,642non-standard
declxml`declxml` is a Rust crate that lets you **declare XML trees at compile time** with macros and provides deserializers with derive…275MIT
declxml-macros`declxml-macros` Used By `declxml` Crate360MIT
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.5,287MIT
decnumber-sysLow-level bindings for libdecnumber.651,264ICU
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-2.0
decodal-deriveDerive macro for generating Decodal schemas and typed decoders from Rust structs.29MIT OR Apache-2.0
decodeA High-Performance Query Tool for JSON, YAML and TOML731MIT
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-2.0
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-2.0
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 decollate380MIT
decollateBlazing-fast, locale-aware, context-free string collation566MIT
decolorAsynchronous runtime abstractions for implicit function decoloring.3,977MIT
decomDecompress streams with codec defined by the stream itself50MIT
decommerceDecentralized Ecommerce3,072non-standard
decompComponents of a decompilation pipeline.4,484Unlicense