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.

fieldworkderivable accessors for struct fields24,294MIT OR Apache-2.0Development tools fieldwork-borrowField-level borrow splitting for Rust41MITDevelopment toolsRust patterns fieldwork-deriveProcedural macro implementation for fieldwork14,215MIT OR Apache-2.0Development tools fieldwork-macroProc-macro implementation for fieldwork crate152MITDevelopment toolsRust patterns fieldworks-adapter-coreShared types, VQT envelope, and error taxonomy for FieldWorks industrial protocol adapters14Apache-2.0Hardware supportNetwork programming fieldxProcedural macro for constructing structs with lazily initialized fields, builder pattern, and serde support with a focus on…21,256non-standardConcurrencyDevelopment tools::Procedural macro helpers fieldx_auxVarious types and tools useful for fieldx crates and, potentially, to users of fieldx18,561non-standardConcurrencyDevelopment tools::Procedural macro helpers fieldx_coreVarious types and tools useful implementing fieldx_derive core functionality. May provide useful APIs for 3rd-party crates.6,081non-standardConcurrencyDevelopment tools::Procedural macro helpers fieldx_deriveDerive proc macros for fieldx crate21,577non-standardConcurrencyDevelopment tools::Procedural macro helpers fieldx_derive_supportDerive proc macros for fieldx_derive crate23,718non-standardConcurrencyDevelopment tools::Procedural macro helpers fieldx_plusDesign patterns built on top of fieldx crate8,247non-standardDevelopment tools::Procedural macro helpersRust patterns fieldx_plus_macrosHeler macros for fieldx_plus crate8,554non-standardDevelopment tools::Procedural macro helpersRust patterns fiemapcall ioctl FIEMAP on files with ease1,120,241BSD-2-Clause fienderA CLI tool to retreive DnD 5e spells and monsters stats3,050non-standard fierceplaceholder1,479MIT OR Apache-2.0 fieriUnofficial Rust client for OpenAI.11,572MITAPI bindings fierros-cliCLI workflows for Fierros agentic RAG tooling67Unlicense fierros-coreProvider-neutral core primitives for Fierros251Unlicense fierros-evalsEvaluation, reporting, and production-gate primitives for Fierros95Unlicense fierros-graphTyped graph runtime primitives for Fierros127Unlicense fierros-guardrailsFail-closed guardrail and runtime policy primitives for Fierros153Unlicense fierros-ragRAG, retrieval, and connector primitives for Fierros125Unlicense fierros-sdkStable extension contracts and compatibility harness for Fierros97Unlicense fierros-serverHTTP service runtime for Fierros multi-user APIs and async job execution35Unlicense fierros-toolsTool runtime and MCP integration primitives for Fierros123Unlicense fiersA fuzzy inference engine library2,296MIT fiestafiesta - a simple binary for creating new projects with rust, htmx, tailwindcss, actix, and sqlx1,504MITAPI bindingsAsynchronous fievarProc macrs to generate functions that return static slices of struct field names or enum variant names.5,834MIT fifA command-line tool for detecting and optionally correcting files with incorrect extensions.38,288GPL-3.0-or-laterCommand line utilities fifd-rsThis is a Rust implementation of the Go library [IncSW/fifd](https://github.com/IncSW/fifd). `fifd` is used to find file…2,657MITCommand line utilities fiffPure Rust implementation of the FIFF (Functional Imaging File Format) parser for MEG/EEG data533MIT OR Apache-2.0Parser implementationsScience fiffiRust bindings for libffi, alternative to libffi-rs48MIT OR Apache-2.0Development tools::FFINo standard library fiffyA Rust library intended for simple file processing15,437MIT fifiFind identical files in subdirectories160GPL-3.0-or-laterCommand line utilitiesFilesystem fifoFirst-in-first-out lock-free ring-buffer like kfifo in Linux8,381MIT fifo-cacheA minimalist FIFO cache with TTL (Time To Live) support2,342MITCaching fifo-setFIFO queue with unique elements6,858GPL-3.0-onlyAlgorithmsData structures fiftRust implementation of the Fift esoteric language27,699MIT OR Apache-2.0 fift-cliA CLI for the Fift esoteric language interpreter26,349LGPL-2.1-or-later fift-libsA maintained collection of default Fift libraries6,427LGPL-2.1-or-later fift-procProc-macro helpers for fift6,590MIT OR Apache-2.0 fifthtry-mdbookfork of mdbook, only for ft-cli2,778MPL-2.0 fifthtry-serde_sqlite_jsonbA Serializer and Deserializer for SQLite jsonb binary format (FifthTry fork, till PR is merged)1,525MIT OR Apache-2.0Encoding fifty-shadesGraylog REST API client written in Rust3,166Apache-2.0Command line utilities fiftyone-cachingSharded-LRU cache trait and default implementation for the 51Degrees pipeline.316EUPL-1.2 fiftyone-cloud-request-engineCloud HTTP engine with lazy evidence-keys and accessible-properties discovery and recovery mode for the 51Degrees pipeline.121EUPL-1.2 fiftyone-common-sysRaw FFI bindings to common-cxx: ResourceManager, Evidence, Exception, StatusCode and result buffers.183EUPL-1.2 fiftyone-device-detectionDevice-detection facade re-exporting the engines plus a builder that selects the cloud or on-premise deployment.117EUPL-1.2 fiftyone-device-detection-cloudCloud device-detection engine that maps the cloud JSON response to DeviceData.66EUPL-1.2 fiftyone-device-detection-onpremiseOn-premise Hash device-detection engine built over the safe fiftyone-native wrapper.135EUPL-1.2 fiftyone-device-detection-sharedDeviceData trait with typed accessors, the device-detection property model and the UACH high-entropy decoder element.164EUPL-1.2 fiftyone-device-detection-sysRaw FFI bindings to the Hash device-detection ABI in device-detection-cxx, built on fiftyone-common-sys.166EUPL-1.2 fiftyone-fodid-cloudCloud engine that unpacks the 51Degrees identifier (51Did / FODid) block from the cloud JSON response into typed data.34EUPL-1.2 fiftyone-ip-intelligenceIP-intelligence facade re-exporting the engines plus a builder that selects the cloud or on-premise deployment.61EUPL-1.2 fiftyone-ip-intelligence-cloudCloud IP-intelligence engine that maps the cloud JSON response to IpIntelligenceData.78EUPL-1.2 fiftyone-ip-intelligence-onpremiseOn-premise IP-intelligence engine built over the safe fiftyone-native wrapper.78EUPL-1.2 fiftyone-ip-intelligence-sharedIpIntelligenceData trait with weighted property accessors shared by the cloud and on-premise IP-intelligence engines.101EUPL-1.2 fiftyone-ip-intelligence-sysRaw FFI bindings to the Ipi IP-intelligence ABI in ip-intelligence-cxx, including the weighted getters. Builds and statically…101EUPL-1.2 fiftyone-javascript-builderJavaScript snippet builder element with bundled Mustache asset for the 51Degrees pipeline.87EUPL-1.2 fiftyone-json-builderJSON serialization element for the 51Degrees pipeline.100EUPL-1.2 fiftyone-nativeSafe RAII wrapper over the native manager, results, evidence and exception types shared by Device Detection and IP Intelligence.177EUPL-1.2 fiftyone-pipeline-coreFlowData, FlowElement/Pipeline traits, Evidence, ElementData, TypedKey, errors and constants for the 51Degrees pipeline.333EUPL-1.2 fiftyone-pipeline-enginesAspectEngine/AspectData, AspectPropertyValue, missing-property and data-update services, and cache wiring for the 51Degrees…308EUPL-1.2 fiftyone-pipeline-engines-fiftyoneShareUsage, SetHeaders and Sequence elements plus the FiftyOne metadata model for the 51Degrees pipeline.186EUPL-1.2 fiftyone-pipeline-webFramework-neutral web elements, client-side endpoint logic and the JavaScript/Mustache assets for the 51Degrees pipeline.68EUPL-1.2 fiftyone-pipeline-web-axumaxum extractor and tower middleware adapter that wires the 51Degrees web pipeline into an axum application.48EUPL-1.2 fiftyonedegreesA wrapper around the 51Degrees device detection C library.29,309MIT figParse, edit, and convert config files while preserving comments. Supports JSON, YAML, TOML, and more.324MIT OR Apache-2.0 fig-macrosDerive macros (ToValue/FromValue) for the `fig` crate.303MIT OR Apache-2.0 fig-schemaA generic, prov-agnostic schema layer over fig's value tree: field types, controlled vocabularies, and a reusable rule-matching…12MIT OR Apache-2.0ConfigurationData structures fig-sysFFI bindings and native library for fig (the comment-preserving JSON/YAML/TOML/… config engine). Used by the `fig` crate.71MIT OR Apache-2.0ConfigurationExternal FFI bindings fig-sys-linux-arm64-gnuPrebuilt libfig.a (default features) for aarch64-unknown-linux-gnu. Support crate for fig-sys; not for direct use.45MIT OR Apache-2.0 fig-sys-linux-x64-gnuPrebuilt libfig.a (default features) for x86_64-unknown-linux-gnu. Support crate for fig-sys; not for direct use.74MIT OR Apache-2.0 fig-sys-macos-arm64Prebuilt libfig.a (default features) for aarch64-apple-darwin. Support crate for fig-sys; not for direct use.50MIT OR Apache-2.0 fig-sys-wasm32Prebuilt libfig.a (default features) for wasm32-unknown-unknown. Support crate for fig-sys; not for direct use.52MIT OR Apache-2.0 fig-sys-windows-x64-msvcPrebuilt libfig.a (default features) for x86_64-pc-windows-msvc. Support crate for fig-sys; not for direct use.51MIT OR Apache-2.0 fig2jsonCLI tool to convert Figma .fig files to LLM-friendly JSON format2,375MITCommand line utilitiesEncoding fig_clifig is a cli finance tracker3,822MIT figaA layered configuration library for Rust4,199MIT OR Apache-2.0ConfigurationNo standard library figa-procProc-macro for 'figa' crate2,013MIT OR Apache-2.0ConfigurationNo standard library figcliA command line tool that provides utility functions for developing at Figure.11,417Apache-2.0 figconA small stupid-simple synchronous serde_json config manager117non-standard figdriverRender text as ASCII-art banners153MITCommand line utilitiesText processing figenStrongly typed configuration bindings and registries generated from a declarative schema16MIT OR Apache-2.0ConfigurationEmbedded development figen-proc-macrosProcedural macro implementation for the figen configuration library20MIT OR Apache-2.0Configuration figfontRead and parse a FIGlet font in plain or zipped format.4,004WTFPLAlgorithmsCommand-line interface figgyA small library for managing config files which supports heirarchical directories, defaults, and writing initial files3,943MIT fighorseFigma data Swiss Army knife, shaped for AI consumption15non-standardCommand line utilitiesDevelopment tools fight-rust-demoFight rust demo35MIT fight_porn_addictionTool to help overcome pornography addiction15MIT OR Apache-2.0 fighting_daisyLibrary for fighting daisies1,486MIT figifInteractive TUI for GIF manipulation22MIT OR Apache-2.0 figif-cliCLI for GIF frame analysis and optimization20MIT OR Apache-2.0 figif-coreGIF frame analysis and manipulation library with plugin architecture138MIT OR Apache-2.0 figletFiglet font parser in Rust1,393MIT figlet-commentSimple tool to quickly create banner to use as comments.6,293MIT figlet-rsRust implementation of FIGlet to create ascii art562,634Apache-2.0No standard library figleterRust implementation of FIGlet to create ascii art. With kerning.4,262Apache-2.0No standard library figma-agentLocal font helper for Figma, Linux and macOS120MIT figma-apiThis is the OpenAPI specification for the [Figma REST API](https://www.figma.com/developers/api). Note: we are releasing the…9,230MITAPI bindingsWeb programming figma-asset-downloaderSmall utility to help you download Figma assets directly to your computer.28,017MITNetwork programming figma-htmlFigma to CSS and HTML toolkit1,582MIT figma-mcpModel Context Protocol (MCP) server for accessing Figma files and exporting images as resources2,210MITDevelopment tools figma-mcp-exportExport icons from Figma frames via MCP (talk-to-figma) — no REST API, no rate limits49MITCommand line utilitiesGraphics figma-schemaFigma REST API schema3,379MIT figma-token-parsertakes Figma Tokens JSON and outputs CSS1,554MIT figma-tokens-parsertakes Figma Tokens JSON and outputs CSS1,558MIT figma_squirclesquircle svg path generator.1,548MIT figmentA configuration library so con-free, it's unreal.31,622,498MIT OR Apache-2.0Configuration figment-directoryFigment provider for config values split into multiple files in a directory, working with any format.2,745BSD-3-ClauseConfiguration figment-json5This crate provides a Figment provider for JSON5 format45,791MITConfiguration figment-keyringFigment2 provider for fetching secrets from system keyrings23MIT OR Apache-2.0 figment-winregWindows registry provider for figment.6,9700BSDConfiguration figment2Remaintained fork of figment: A configuration library so con-free, it's unreal.148,128MIT OR Apache-2.0Configuration figment2-cloudflare-workersA figment2 configuration provider for Cloudflare Workers' environment bindings31Apache-2.0ConfigurationWebAssembly figment_file_env_providerA Figment provider to read from env or files3,752MITCommand-line interfaceConfiguration figment_file_provider_adapterA Figment provider wrapper to load config values from files101,365MITCommand-line interfaceConfiguration figment_stringForces figment config types to be parsed as strings2,093Apache-2.0Configuration figmentsA high performance graphics API for microcontrollers1,993LGPL-2.1-or-laterEmbedded developmentGraphics figments-esp32-idf-examplesExamples and demos of using Figments on the ESP32 with the IDF SDK25LGPL-2.1-or-later figments-renderA high performance graphics hardware control layer for microcontrollers using the Figments rendering API131LGPL-2.1-or-laterEmbedded developmentGraphics figments-sample-shadersSample graphics shaders for usage with Figments41LGPL-2.1-or-laterEmbedded developmentGraphics figoA Rust-based ASCII art generator for documentation, RFC-style diagrams, flowcharts, tables, trees, banners, and more26Apache-2.0 OR MITCommand line utilitiesText processing figratFIGlet with color vibes254MIT figrid-boardA library for the Five-in-a-Row (Gomoku) game, powered by noru (Rust NNUE library).759MIT OR Apache-2.0Data structuresGame development figrsAscii art, Support SMUSHING, includes 200+ fonts5,355MIT figsSimple 2D game framework using MiniFB2,418MITGame developmentGame engines figshare-rsRust client for Figshare article workflows, public article lookup, and file uploads/downloads.37MITAPI bindingsScience figtokTakes Figma Tokens JSON output and converts it to valid composable CSS.8,728MIT figtok_tokensUtility for handling different token types for Figtok1,961MIT figtreeFigtree is a file format for human-useable configuration13,845MIT figueType-safe CLI arguments, config files, and environment variables powered by Facet reflection18,319MIT OR Apache-2.0Command-line interface figue-attrsAttribute macros for figue CLI argument parsing18,609MIT OR Apache-2.0Command-line interface figuraA flexible string template formatting crate4,834MIT figureLibrary for runtime configuration management9,691Apache-2.0 figure_skating_element_parserA parser for recognizing and structuring figure skating elements according to ISU standards.990MIT figureheadA Rust library to convert Mermaid.js diagram markup into ASCII diagrams496MITGraphicsParsing tools figurehead-cliCLI tool to convert Mermaid.js diagram markup into ASCII diagrams114MITCommand line utilitiesGraphics figuresA math library specialized for 2d screen graphics.28,468MIT OR Apache-2.0Mathematics figures-rsUnicode symbols with Windows CMD fallbacks5,281MIT figyel_grrs_0001Grrs - example program - figyel00011,626MIT fii-idGénérateur d'ID FII6,758MIT fiit_crates_testTest package743MIT OR Apache-2.0 fijiJust a small, very simple SDL-like renderer1,579MIT fil-blstA library to accelerate SNARK verification for the Filecoin network using the blst BLS12-381 performance library.21,269Apache-2.0 fil-oclOpenCL bindings and interfaces for Rust.116,935MIT/Apache-2.0API bindingsAsynchronous fil-ocl-coreA low-level OpenCL API.117,147MIT/Apache-2.0API bindingsAsynchronous fil-proofs-paramFilecoin parameter cli tools.33,063MIT OR Apache-2.0 fil-rustacudaCUDA Driver API Wrapper135,738Apache-2.0 OR MITAPI bindingsConcurrency fil-sapling-cryptoCryptographic library for Zcash Sapling68,413MIT/Apache-2.0 fil_actor_accountBuiltin account actor for Filecoin82,147MIT OR Apache-2.0 fil_actor_account_stateBuiltin account actor for Filecoin229,866MIT OR Apache-2.0 fil_actor_account_v10Builtin account actor for Filecoin6,547MIT OR Apache-2.0 fil_actor_account_v11Builtin account actor for Filecoin3,104MIT OR Apache-2.0 fil_actor_account_v8Builtin account actor for Filecoin4,277MIT OR Apache-2.0 fil_actor_account_v9Builtin account actor for Filecoin4,272MIT OR Apache-2.0 fil_actor_bundlerAn IPLD CAR bundling tool for Wasm bytecode216,419MIT OR Apache-2.0 fil_actor_cronBuiltin cron actor for Filecoin86,532MIT OR Apache-2.0 fil_actor_cron_stateBuiltin cron actor for Filecoin229,204MIT OR Apache-2.0 fil_actor_cron_v10Builtin cron actor for Filecoin6,624MIT OR Apache-2.0 fil_actor_cron_v11Builtin cron actor for Filecoin4,749MIT OR Apache-2.0 fil_actor_cron_v8Builtin cron actor for Filecoin4,290MIT OR Apache-2.0 fil_actor_cron_v9Builtin cron actor for Filecoin4,320MIT OR Apache-2.0 fil_actor_datacapBuiltin data cap actor for Filecoin2,134MIT OR Apache-2.0 fil_actor_datacap_stateBuiltin data cap actor for Filecoin243,205MIT OR Apache-2.0 fil_actor_datacap_v10Builtin data cap actor for Filecoin6,549MIT OR Apache-2.0 fil_actor_datacap_v11Builtin data cap actor for Filecoin3,104MIT OR Apache-2.0 fil_actor_eam_stateBuiltin Ethereum address manager actor for Filecoin131,952MIT OR Apache-2.0 fil_actor_eam_v10Builtin Ethereum address manager actor for Filecoin2,679MIT OR Apache-2.0 fil_actor_eam_v11Builtin Ethereum address manager actor for Filecoin1,529MIT OR Apache-2.0 fil_actor_ethaccount_stateBuiltin Ethereum Externally Owned Address actor for Filecoin100,881MIT OR Apache-2.0 fil_actor_ethaccount_v10Builtin Ethereum Externally Owned Address actor for Filecoin5,000MIT OR Apache-2.0 fil_actor_ethaccount_v11Builtin Ethereum Externally Owned Address actor for Filecoin1,522MIT OR Apache-2.0 fil_actor_evm_shared_stateShared libraries for the built-in EVM actor for Filecoin34,750MIT OR Apache-2.0 fil_actor_evm_shared_v10Shared libraries for the built-in EVM actor for Filecoin4,779MIT OR Apache-2.0 fil_actor_evm_shared_v11Shared libraries for the built-in EVM actor for Filecoin3,580MIT OR Apache-2.0 fil_actor_evm_stateBuiltin EVM actor for Filecoin229,696MIT OR Apache-2.0 fil_actor_evm_v10Builtin EVM actor for Filecoin4,263MIT OR Apache-2.0 fil_actor_evm_v11Builtin EVM actor for Filecoin3,106MIT OR Apache-2.0 fil_actor_initBuiltin init actor for Filecoin86,263MIT OR Apache-2.0 fil_actor_init_stateBuiltin init actor for Filecoin230,248MIT OR Apache-2.0 fil_actor_init_v10Builtin init actor for Filecoin6,565MIT OR Apache-2.0 fil_actor_init_v11Builtin init actor for Filecoin4,764MIT OR Apache-2.0 fil_actor_init_v8Builtin init actor for Filecoin4,321MIT OR Apache-2.0 fil_actor_init_v9Builtin init actor for Filecoin4,296MIT OR Apache-2.0 fil_actor_interfaceBackward compatibility layer for all versions of builtin actor released v8 onwards.146,568MIT OR Apache-2.0 fil_actor_marketBuiltin market actor for Filecoin82,652MIT OR Apache-2.0 fil_actor_market_stateBuiltin market actor for Filecoin229,094MIT OR Apache-2.0 fil_actor_market_v10Builtin market actor for Filecoin6,564MIT OR Apache-2.0 fil_actor_market_v11Builtin market actor for Filecoin3,125MIT OR Apache-2.0 fil_actor_market_v8Builtin market actor for Filecoin4,303MIT OR Apache-2.0 fil_actor_market_v9Builtin market actor for Filecoin4,294MIT OR Apache-2.0 fil_actor_minerBuiltin miner actor for Filecoin86,113MIT OR Apache-2.0 fil_actor_miner_stateBuiltin miner actor for Filecoin247,156MIT OR Apache-2.0 fil_actor_miner_v10Builtin miner actor for Filecoin6,587MIT OR Apache-2.0 fil_actor_miner_v11Builtin miner actor for Filecoin4,803MIT OR Apache-2.0 fil_actor_miner_v8Builtin miner actor for Filecoin4,358MIT OR Apache-2.0 fil_actor_miner_v9Builtin miner actor for Filecoin4,263MIT OR Apache-2.0 fil_actor_multisigBuiltin multisig actor for Filecoin86,157MIT OR Apache-2.0 fil_actor_multisig_stateBuiltin multisig actor for Filecoin228,905MIT OR Apache-2.0