All 305,250 crates, alphabetically

fletFlet1,548MIT fletchHigh-throughput, data logger for test engineering and HIL platforms.42MIT OR Apache-2.0Database interfacesEmbedded development fletch-ormLightweight database toolkit built on SQLx19MITDatabase interfaces fletch-orm-macrosProcedural macros for the Fletch ORM database toolkit21MITDatabase interfacesDevelopment tools::Procedural macro helpers fletcherA dependency free implementation of the Fletcher's checksum algorithm228,426MITAlgorithmsNo standard library fletcher-simdA SIMD implementation of the Fletcher's checksum algorithm.6,559BSD-2-ClauseAlgorithms flexFlexible borrowing and ownership for Rust58MITData structuresNo standard library flex-algoRust commonly used data structure and algorithms9,643MITAlgorithmsData structures flex-allocData structures with extra flexible storage5,384MIT OR Apache-2.0Data structuresMemory management flex-alloc-secureSecured allocations for flex-alloc1,484MIT OR Apache-2.0Data structuresMemory management flex-dbRust SDK for the Flex DB API — async, typed, minimal dependencies46Apache-2.0API bindingsDatabase interfaces flex-dnsA no alloc no std DNS parser and serializer written in Rust.4,352MIT flex-errorFlexible error definitions using macros and traits5,431,119Apache-2.0 flex-growallocate a size between children34,628MITGUI flex-loggerSimple logger implementing the log crate interface. Multi thread and buffered.669MIT flex-pageDatabase storage system19,461Apache-2.0 flex-rsTokenizer and parser for creating coding languages2,354non-standard flex-versionA crate for flexible version numbers, mostly inspired by Ruby's Gem::Version9,482MITDevelopment toolsParsing tools flex_arrayA `#[no_std]` flexible array much like std::Vec but with custom indices and length and capacity types.4,137MITData structuresNo standard library flex_processcli tool in order to edit flex process.edn file using JSON and JSON Schema1,528MIT FlexAPI⚡API library used for fast development⚡1,127MIT flexarAn extremely flexible lexer/parser (get it?) for writing your own programming language40,876MIT OR Apache-2.0Parsing toolsText processing flexaudioFlexible cross-platform audio capture (microphone, system loopback, per-process) for Linux, Windows, and macOS with a unified API.71MITMultimedia::Audio flexaudio-coreSource-agnostic audio capture engine, types, and resampling/normalization core for flexaudio.112MITMultimedia::Audio flexaudio-denoiseOffline noise suppression (RNNoise via nnnoiseless, model weights embedded) for flexaudio.20MITMultimedia::Audio flexaudio-encodeStreaming FLAC encoding sink for recorded audio (pure Rust, fully offline).57MITCompressionMultimedia::Audio flexaudio-micCross-platform microphone capture backend (cpal) for flexaudio.75MITMultimedia::Audio flexaudio-os-linuxLinux system and per-process audio capture backend (PipeWire) for flexaudio.67MITMultimedia::AudioOperating systems::Unix APIs flexaudio-os-macosmacOS system and per-process audio capture backend (Core Audio process taps) for flexaudio.46MITMultimedia::AudioOperating systems::macOS APIs flexaudio-os-windowsWindows system and per-process audio capture backend (WASAPI loopback) for flexaudio.48MITMultimedia::AudioOperating systems::Windows APIs flexaudio-vadOffline Voice Activity Detection (Silero VAD on ONNX Runtime, model embedded) for flexaudio.20MITMultimedia::AudioScience flexboxLayout engine1,630MIT flexbuffersOfficial FlexBuffers Rust runtime library.4,050,162Apache-2.0Data structuresEncoding flexcellA flexible cell that allows safe circumvention of double borrow issues.734MIT OR Apache-2.0Data structuresNo standard library flexdHardened web server and reverse proxy: TLS/HTTP3, ACME, rate limiting, host policy, GeoIP, A/B splitting, privilege dropping52AGPL-3.0-onlyNetwork programmingWeb programming::HTTP server flexerSimple flexible lexer2,991MIT flexfloatA Rust library for arbitrary-precision floating-point arithmetic with growable exponents and fixed-size fractions, extending IEEE…555MITData structuresFinance flexflowYet another workflow engine1,507MIT flexflow-coreYet another workflow engine1,964MIT flexflow-serverFlexflow server2,631MIT flexgenA flexible, yet simple quote-based code generator for creating beautiful Rust code12,340MIT OR Apache-2.0Development tools flexgridA simple bidirectional flex and grid layout system.2,781MIT flexiA minimal CLI tool for tracking your flexi-time balance314MITCommand line utilities flexi-parseSimple, flexible parsing21,186MIT OR Apache-2.0Parsing tools flexi_configProvides configuration for flex_config via a file.4,290AML/Apache-2.0 flexi_funca Rust crate designed to supercharge your Rust programming experience with two powerful macros: ff (Flexi Func) and fb (Flexi…11,099MITAsynchronousDevelopment tools::Procedural macro helpers flexi_func_declarativeThis crate exposes the fb! macro to create a function with a flexible signature.8,356MITAsynchronousParsing tools flexi_loggerAn easy-to-configure and flexible logger that writes logs to stderr or stdout and/or to files. It allows custom logline formats,…21,770,847MIT OR Apache-2.0Development tools::Debugging flexi_logger_datadogA `flexi_logger` compatible logger that sends to DataDog8,471MIT flexi_logger_rotate_writerA custom log writer for emabee's flexi_logger. It is just a simplified version of flexi_logger's FileLogWriter. Simply rotates…1,655MITDevelopment tools::Debugging flexi_syslogA syslog writer for flexi_logger15,613MIT OR Apache-2.0Development tools::Debugging flexiargsA flexible, rule-based command dispatcher and argument parser with strict level control.77MITCommand-line interfaceParsing tools flexiberEncoding and decoding of BER-TLV as described in ISO 7816-4, without allocations.54,302Apache-2.0 OR MITCryptographyData structures flexiber_deriveProcedural macros to derive `Decodable` and `Encodable` from `flexiber`.33,405Apache-2.0 OR MITCryptographyData structures flexible-hyper-server-tlsEasily choose between HTTP or HTTPS when using hyper30,010MIT OR Apache-2.0Network programming flexible-ioWraps values such that dyn-safe IO traits need not appear as static bounds6,912EUPL-1.2 flexible-locksFlexible Locks2,270Apache-2.0/MIT flexible-locks_deriveCustom Derive for Flexible Locks3,232Apache-2.0/MIT flexible-projectFlexible Project server1,497MIT OR Apache-2.0 flexible-project-coreFlexible Project core library2,255MIT OR Apache-2.0 flexible-project-dataFlexible Project data layer library1,531MIT OR Apache-2.0 flexible-stringA stack heap flexible string designed to improve performance22,840MIT OR Apache-2.0Data structures flexible-timeA library to parse timestamps in a flexible format45,165Apache-2.0Command-line interfaceDate and time flexible-transcriptA simple transcript trait definition, along with viable options116,864MIT flexible-transcript-mirrorA simple transcript trait definition, along with viable options. Mirrored by sneurlax from serai for downstream crate-publishing…5,121MIT flexible_inspect_rsLibrary for creating a custom validator1,543MIT flexiconAdaptive configuration toolkit: let your data structures adapt to the user, not the other way around.1,169MIT OR Apache-2.0ConfigurationData structures flexiglobFlexible wildcard globbing engine with user-definable pipeline operators, no_std compatible176MITNo standard libraryParser implementations flexihashConsistent hashing following the API and compatible with flexihash-php and flexihash-py12,726MIT fleximl-modelsMachine learning models available for FlexiML framework3,269MIT flexintBig integer types, optimized for small values1,525MITMathematics flexitimeA flexible time parsing library for Rust307MIT flexitime-cliA command-line tool for flexible time parsing49MIT flexlintA flexible linter with rules defined by regular expression14,996MITCommand line utilitiesDevelopment tools flexmeshMutable mesh structure with persistent adjacency data and n-gon support7,582Apache-2.0 flexmlQuickly and easily define namespaced XML serialization8,938MIT flexml_macroMacro feature dependency for flexml6,065MIT flexml_rootQuickly and easily define namespaced XML serialization612MIT flexonSIMD accelerated JSON parser6,329MITEncodingNo standard library flexpdfPDF generation from XML or Rust structures with flexbox layout148MIT OR Apache-2.0Template engineText processing flexpect#[flexpect::e(...)] compiles to #[expect(...)] for newer versions of Rust and to #[allow(...)] when not supported.97,842MIT OR Apache-2.0 flexpilerDeserialiser aiming at high customizability5,288MIT OR Apache-2.0 flexpiler_deriveDerive macro project for main crate 'flexpiler'6,078MIT OR Apache-2.0 flexpolylineFlexible Polyline encoding: a lossy compressed representation of a list of coordinate pairs or triples782,784MIT flexprice-cliA beautiful terminal CLI for the FlexPrice billing platform36MIT flexqA flexible command-line QR code generator with SVG, PNG, WiFi, and vCard support124MIT OR Apache-2.0Command line utilitiesGraphics flexrcA flexible/modular alternative to Rust Rc/Arc with unique hybrid capabilities1,664MIT OR Apache-2.0 flexstrA flexible, simple to use, clone-efficient string type for Rust1,253,278MIT OR Apache-2.0Data structuresMemory management flexstr_supportSupport crate for 'flexstr' and 'inline_flexstr'2,171MIT OR Apache-2.0Data structuresMemory management flextrekA super-easy, windows-only crate to get focused explorer location or selected files path using hotkey!4,272AGPL-3.0 flexver-rsComparer for FlexVer-spec versions5,275CC0-1.0 flexvgCreate SVG diagrams with flexbox2,297MIT OR Apache-2.0 flexvg-cliflexvg command-line tool1,542MIT OR Apache-2.0 flexweaveFlexible gameplay mechanics framework for Rust36MIT OR Apache-2.0Game development flfFind largest files in directory trees.5,361MIT/Apache-2.0Command line utilitiesDevelopment tools flgA linux profiling utility33MIT fliThe commander.js like CLI Parser for rust13,011MITCommand line utilitiesDevelopment tools fli-toolA tiny tool that lists information about files40MITCommand line utilities flibcFortalp, LIBC Crate1,323MIT OR Apache-2.0 flicAutodesk Animator FLI and Autodesk Animator Pro FLC file encoder and decoder.15,328MITMultimedia::Video flic-rust-clientFlic 2 Button Client Library written in Rust7,939MIT flicbtnFlic 2 Button Client Library written in Rust3,735MIT flicenseCLI for printing license information of rust cargo projects to the terminal.5,501BSL-1.0Command line utilitiesDevelopment tools flickFlick time constant library2,957GPL-2.0+ flickerflicker1,546MIT/Apache-2.0 flickersA crate for calculating Allan-like deviations and other time and frequency stability statistics functions.372MITMathematics flickrRust binding to Flickr API6,472Apache-2.0API bindings flickr-apiEasy interface to the Flickr API4,908GPL-3.0-or-laterAPI bindings flickr_deriveMacros needed by Flickr-Rust API binding4,463Apache-2.0Development tools::Procedural macro helpers flickzeugA fork of diffy: diff, patch, and merge library featuring Myers' algorithm, unified diff format parsing, fuzzy patch application,…123,617MIT OR Apache-2.0Text processing flifFLIF decoder written in pure Rust10,306MIT OR Apache-2.0 flightA tool to scaffold projects quickly and easily30non-standard flight-computerA GPS/Barometric skydiving flight computer1,454non-standard flight-network-plannerMinecart Rapid Transit Flight Network Planner for airlines1,611GPL-3.0-onlyGames flight-solverReal-time solvers for flight controllers76MITAerospaceNo standard library flight-sql-clientA Rust client library for Arrow Flight SQL servers270MITAPI bindingsDatabase interfaces flight-trackerADSB flight tracker4,232MIT/Apache-2.0 flight_scribeA simple VFR navigation log for flight simulation422GPL-3.0-or-laterGUI flight_tracking_erau_se300An app that displays the path of planes through the country of United States10,131GPL-3.0 flightdataExpose data from openflights.org1,941MIT AND ODbL-1.0 flighthookflighthook event bus types and schemas261MIT OR Apache-2.0Data structures flightmathProvides basic calculations commonly used for flight planning1,774MIT flightradar24-apiAPI Wrapper for FlightRadar24 data1,449MIT OR Apache-2.0 flightradarapiA modern async Rust SDK for the FlightRadar24 API19MITAPI bindingsAsynchronous flightrecGit-like filesystem observability for AI agents58Apache-2.0Command line utilitiesDevelopment tools flightrecorderCross-platform system recorder23MIT OR Apache-2.0Development tools flightrecorder-linuxLinux-specific implementation for flightrecorder117MIT OR Apache-2.0Development tools flightrecorder-macmacOS-specific implementation for flightrecorder116MIT OR Apache-2.0Development tools flightrelayFlight Relay Protocol (FRP) — golf launch monitor event streaming over WebSocket582MIT OR Apache-2.0 flightsflights1,513MIT flinchflinch in-memory database12,371Apache-2.0CachingDatabase implementations flingSecure, ephemeral secret sharing for developers22MITCommand line utilitiesCryptography flinn_engdahlFlinn-Engdahl Seismic And Geographic Regionalization - Rust Implementation4,495BSD-2-Clause flinnengdahlFlinn-Engdahl Seismic And Geographic Regionalization - Rust Implementation1,441BSD-2-Clause flintThe filesystem linter7,892Apache-2.0 flint-aiA lightweight embedded AI runtime for every device17non-standard flint-sysBindings to the FLINT C library34,985MIT OR Apache-2.0AlgorithmsCryptography flint3-sysRust bindings to the FLINT C library3,733MITExternal FFI bindingsMathematics flintbaseGoogle / Firebase API key analyzer and APK secret scanner — tests keys against 20+ endpoints and extracts hardcoded credentials…127MITCommand line utilitiesDevelopment tools flintdbA lighter database104AGPL-3.0-onlyDatabase interfaces flintec_lppCLI apps for logging, processing, and plotting load time series from Flintec load cells - DAD 141.132,867GPL-3.0 flintnsteelAn arena allocator49MITMemory management flip˙ʇxǝʇ ɹnoʎ sı os puɐ ˙uʍop ǝpısdn sı p|ɹoʍ ǝɥʇ sǝɯıʇǝɯos2,134MIT flip-flopThis library implements the flip-flop operator from Perl and Ruby as a Rust macro.1,581MIT OR Apache-2.0 flip-linkFlips the memory layout of embedded programs to protect against stack overflows351,556MIT OR Apache-2.0Command line utilitiesDevelopment tools flip-uiRust integration for handling and compiling the UI built via the UI Flip UI Builder5,259MITEmbedded developmentGUI flip-ui-macroProcedural macros for flip-ui5,676MIT flipacoinSmall binary to flip a coin, either heads or tails.1,607MPL-2.0Command line utilities flipbook…1,647MIT flipbook-rsConvert JPG pages in a directory (sorted by timestamp) into a single GIF flipbook693MIT flipdfMerge duplex-scanned PDFs into proper page order - for home scanners without auto-duplex25MITCommand line utilities flipdotA library for interacting with Luminator flip-dot and LED signs over RS-4856,239MITHardware support flipdot-coreCore types for describing communication with Luminator flip-dot and LED signs8,307MITHardware support flipdot-graphicsAn implementation of the embedded-graphics DrawTarget trait using the flipdot crate1,069MITHardware support flipdot-serialTools for communicating with Luminator signs over serial7,749MITHardware support flipdot-testingTools for testing and debugging Luminator sign communications7,071MITDevelopment tools::TestingHardware support flipfileFlip the bytes in multiple files11,213MITCommand line utilities flipflopStress-tester for double-ended iterators.1,258non-standard fliphashA constant-time consistent range-hashing algorithm6,530non-standard flipkart_scraperScrape Flipkart product details22,886GPL-3.0 fliplruA LRU cache that shows effectiveness of cache capacity29,875MITCachingData structures flipperink! flipper contract1,657MIT flipper-rpcRust bindings and serial transport helpers for the Flipper Zero RPC protocol.8,561MITAPI bindingsDevelopment tools flipperbitCorrupted files generator. Random bits flipper.19,386GPL-3.0-onlyCommand line utilities flipperzeroRust for Flipper Zero25,739MIT flipperzero-allocRust for Flipper Zero23,116MIT flipperzero-rtRust for Flipper Zero22,976MIT flipperzero-sysRust for Flipper Zero28,449MIT flipperzero-testRust test harness for Flipper Zero11,265MIT flipperzero-test-macrosProcedural macros for flipperzero-test11,785MIT flipperzero-toolsRust for Flipper Zero (tools)2,784MIT flippico-cacheFlippico cache adapter2,806MIT flippyAutomates upgrades and pulls remote databases, files, and firmware for the Flipper Zero3,173MIT flipsRust bindings to Flips, the Floating IPS patcher.6,637GPL-3.0API bindingsEmulators flips-sysRaw FFI bindings to Flips, the Floating IPS patcher.7,363GPL-3.0External FFI bindingsNo standard library fliptFlipt Server SDK36,707MIT flir_rsProcess images from FLIR cameras2,755MITDevelopment tools flirtFiLe InteRacT, the file interaction tool for your command line4,190BSD-3-ClauseCommand line utilities flitBloom filter backed by xxHash5,477MITData structures fliteAPI bindings for flite4,143MIT OR Apache-2.0Multimedia::Audio flite-sysFFI bindings to flite4,688MIT OR Apache-2.0Multimedia::Audio flitersbasic rust bindings for flite c library10,611MIT flixMechanisms for interacting with flix media5,403non-standard flix-cliCLI for interacting with a flix database5,093non-standardCommand line utilities flix-dbTypes for storing persistent data about media1,499non-standard flix-fsFilesystem scanner for flix media1,291non-standard flix-modelCore types for flix data2,018non-standard flix-muxCLI for bulk media muxing18non-standardCommand line utilities flix-tmdbClients and models for fetching data from TMDB5,808non-standard flixbus-gtfs-realtimeFlixbus API conversion to GTFS Realtime2,017MIT flizenon global, configurable and fast concurrent resource reclamation27,147MITAlgorithmsConcurrency flkA CLI tool for managing flake.nix devShell environments906MITCommand line utilitiesDevelopment tools fll-rsMovement and ui apis for lego ev3 robots intended for use in the FIRST Lego League competition6,230MIT OR Apache-2.0Embedded developmentScience::Robotics fll-scoringSet of core utilities for the FLL-Scoring project1,766GPL-3.0-only flltrFormats text by longest line, by inserting characters at the end of the string1,532GPL-3.0-or-laterCommand line utilities flmacroMacros for fledger3,779MIT OR Apache-2.0 flmodulesModules used in fledger9,658MIT OR Apache-2.0 flnetNetwork setup and communication8,483MIT OR Apache-2.0Network programming flnet-libcNetwork implementation for libc3,424MIT OR Apache-2.0Network programming flnet-wasmNetwork implementation for wasm2,840MIT OR Apache-2.0Network programmingWebAssembly