All 305,250 crates, alphabetically

fixedstepSimple macro to create a fixed timestep loop for a game11,482MIT OR Apache-2.0 fixedstrstrings of constant maximum size that can be copied and stack allocated using const generics6,156,319MIT fixedstr-extA fork of fixedstr, which add more const functions to it.1,618MIT fixedvecA heapless version of the Rust vector type.446,134MIT fixerA full featured messaging engine for the FIX protocol implemented in Rust1,878Apache-2.0Finance fixer-fixGenerated FIX protocol types for fixer129Apache-2.0Finance fixer-genCode generator for fixer FIX protocol types90Apache-2.0Finance fixerioAn API wrapper for Fixerio.6,621MIT fixitConverts infix (human-readable) expression tokens into postfix (Reverse Polish Notation) order2,732MIT OR Apache-2.0 fixit-cliA utility to fix mistakes in your commands.9,718MITCommand line utilities fixityStorage for structured and unstructured data backed by an immutable storage engine1,622non-standard fixlibTBA25MIT OR Apache-2.0 fixlitefixlite FIX parser core library18,554MIT OR Apache-2.0 fixlite_derivefixlite FIX parser derive macro library17,675MIT OR Apache-2.0 fixmeA friendly linter and lsp interface1,441MIT fixme-rouletteSpin the wheel, get a task!20,848MITCommand line utilities fixnite-libA library crate for the fixnite project.2,919non-standard fixnumFixed-point numbers with explicit rounding528,610MIT OR Apache-2.0No standard library fixnum-approx-eqApproximate equality checks & asserts for fixed-point precision numbers1,506non-standard fixpFixed-point numbers612Zlib OR MIT OR Apache-2.0MathematicsNo standard library fixparserA Rust/WASM library to parse FIX messages.8,327MIT fixpointFixpoint functions4,627MIT fixproveName reservation. Real crate coming soon.19MIT fixredCommand line tool to fix outdated URLs in files with redirected ones9,134MITCommand line utilities fixshaA utility to automatically update Nix cargoHash values by building derivations and parsing the output.257MIT OR Apache-2.0Command line utilitiesDevelopment tools fixstrA simple library for fixing strings13,788MITData structuresMemory management fixtminimum viable fixtures229,833Apache-2.0Development tools::Testing fixturaDeclarative fake data injection for Rust tests. Built on fake-rs.326MITDevelopment tools::Testing fixtura-macrosProc-macro internals for fixtura — do not depend on this crate directly430MITDevelopment tools::Testing fixtureThe package provides auxiliary routines for testing.37,983Apache-2.0/MIT fixture-treeGenerate Rust source that mirrors a directory tree, providing compile-time accessors for fixture file paths and contents.19MITDevelopment tools::Build UtilsDevelopment tools::Testing fixture3Install stub for the fixture3 CLI; use cargo binstall for the real binary105MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing fixture3-ddminSequential DDMin reducer for ordered candidate lists36MIT OR Apache-2.0AlgorithmsDevelopment tools::Testing fixture_deriveFixture derive macro for Type Driven Development826MIT OR Apache-2.0Development toolsDevelopment tools::Procedural macro helpers fixture_rsFixture derive macro for Type Driven Development623MIT OR Apache-2.0Development toolsDevelopment tools::Procedural macro helpers fixturesRun tests against fixtures12,230MIT OR Apache-2.0Development tools::Testing fixtures_procRun tests against fixtures9,728MIT OR Apache-2.0Development tools::Testing fixurjavainstallA JVM & Kotlin management utility52MIT OR Apache-2.0Command line utilitiesConfiguration fixztA tool to fix ZIP file offset issues caused by prepended data (e.g., image seeds)43Apache-2.0Command line utilitiesCompression fizFiz: Game Engine & Graphics Toolkit15,880BSD-3-Clause fiz-mathGame & graphics math in two and three dimensions.11,308BSD-3-Clause fizerfizer is a tool for making specific size files1,499MITFilesystem fizixCompile-time checked SI units via typenum type-level integers19MIT OR Apache-2.0MathematicsNo standard library fizyr-rpcNative Rust implementation of the Fizyr RPC protocol36,224BSD-2-Clause OR Apache-2.0AsynchronousNetwork programming fizyr-rpc-macrosprocedural macros for the fizyr-rpc crate21,066BSD-2-Clause OR Apache-2.0 fizzreserved1,558MIT fizzbee-mbtFizzBee Model Based Testing (MBT) Rust binding113Apache-2.0Development toolsDevelopment tools::Testing fizzbuzzThe ultimate FizzBuzz implementation2,101MIT/Apache-2.0 fizzyBindings to Fizzy, a fast, deterministic, and pedantic WebAssembly interpreter.5,683Apache-2.0External FFI bindingsWebAssembly fizzy-rsa directory fuzzy finder3,796Apache-2.0Command line utilities fizzyxSafe, ergonomic Rust bindings for the Fizzy WebAssembly interpreter.110MIT OR Apache-2.0API bindingsWebAssembly fizzyx-sysLow-level FFI bindings to the Fizzy WebAssembly interpreter.115MIT OR Apache-2.0External FFI bindingsWebAssembly fjEarly-stage b-rep CAD kernel.82,2740BSDEncodingMathematics fj-appEarly-stage, next-generation, code-first CAD application. Because the world needs another CAD program.49,6510BSDEncodingMathematics fj-coreEarly-stage b-rep CAD kernel.6,7710BSDEncodingMathematics fj-exportEarly-stage b-rep CAD kernel.54,5810BSDEncodingMathematics fj-hostEarly-stage, next-generation, code-first CAD application. Because the world needs another CAD program.53,0990BSDEncodingMathematics fj-interopEarly-stage b-rep CAD kernel.63,8050BSDEncodingMathematics fj-kernelEarly-stage, next-generation, code-first CAD application. Because the world needs another CAD program.53,7520BSDEncodingMathematics fj-mathEarly-stage b-rep CAD kernel.64,5280BSDEncodingMathematics fj-operationsEarly-stage, next-generation, code-first CAD application. Because the world needs another CAD program.54,4240BSDEncodingMathematics fj-procEarly-stage, next-generation, code-first CAD application. Because the world needs another CAD program.56,7100BSDEncodingMathematics fj-textA crate for creating text in fornjot.2,617MIT OR Apache-2.0 fj-viewerEarly-stage b-rep CAD kernel.59,7770BSDEncodingMathematics fj-windowEarly-stage b-rep CAD kernel.54,9430BSDEncodingMathematics fjadraLibrary for simulating physical forces on particles1,020,712MIT OR Apache-2.0 fjallLog-structured, embeddable key-value storage engine1,257,288MIT OR Apache-2.0AlgorithmsData structures fjall-cliCLI for Fjall database66Apache-2.0 OR MIT fjfA simple CLI for GitHub check runs4,329MIT fjordA library that parses and evaluates Fjord code.24,803MIT OR Apache-2.0 fjord-replA REPL for Fjord code.8,166MIT OR Apache-2.0 fjsonA library for parsing and formatting json with C-style comments and trailing commas15,993MITCompilersDevelopment tools fjson-corefjson is a zero-dependency JSON Parser and Fixer. It takes any input and produces valid JSON. No AI involved.567MITParsing tools fjtYet another proxy server.1,372MIT fk-lis3dshembedded-hal driver for LIS3D-SH Accelerometer2,664MITEmbedded developmentHardware support fk-zyreHigh-level abstraction around the Zyre library.729MITAPI bindings fk-zyre-sysLow-level bindings for the Zyre library.950MITExternal FFI bindings fk_cliCLI utility for killing running processes with the fuzzy finder and convenience.1,601MIT fk_stdremoved8,677MIT fkgetA simple file downloader written in Rust9,633MIT fklFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.1,691MPL-2.0Command-line interfaceParsing tools fkl-dotFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.2,226MPL-2.0 fkl-parserFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.9,531MPL-2.0Command-line interfaceParsing tools fkl-wasmFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.2,850MPL-2.0 fkl_cliFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.7,596MPL-2.0Command-line interfaceParsing tools fkl_codegen_javaFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.8,438MPL-2.0Command-line interfaceParsing tools fkl_ext_apiFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.2,208MPL-2.0Command-line interfaceParsing tools fkl_ext_loaderFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.1,620MPL-2.0Command-line interfaceParsing tools fkl_mirFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.2,744MPL-2.0Command-line interfaceParsing tools fklangFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.1,556MPL-2.0Command-line interfaceParsing tools fkm-proxyFkm proxy client & server2,231MIT fksainetworkA simple neural network.6,448MIT fkys-rsF*cking Kill Yourself lang interpreter written in Rust14,447WTFPL flA FIG Driver written in Rust which aims to fully implement the FIGfont spec to create ascii art (figlets).2,105MIT fl-wasm-rsRuntime library for FunLess functions2,801Apache-2.0 fl-wasm-rs-macrosderive macros to build Rust FunLess functions2,165Apache-2.0 fl0rian_s_lesson_grrsLearning project for a simplified grep clone1,625MIT fl2rustA fluid (fltk ui designer) file to Rust transpiler102,526MITGUI fl2rust-macroA fluid (fltk ui designer) file to Rust transpiler25,147MITGUI fl8Lightweight cloud-agnostic Infrastructure as Code (IaC) library in Rust254Apache-2.0Command-line interfaceDevelopment tools fl_uidHuman readable UIDs1,923MIT flabildA fast Markov chain-based fake word generator that produces pronounceable pseudo-words23MITAlgorithmsCommand line utilities flacAn implementation of FLAC (free lossless audio codec)14,844BSD-3-Clause flac-boundFLAC encoding via libflac FFI29,303MITAPI bindings flac-codecA comprehensive library for handling FLAC files11,111MIT/Apache-2.0 flac-encoderRust Flac encoder that uses libflac.1,412MIT flac-ioPure-Rust FLAC decoder and encoder for reading and writing lossless audio samples191MIT OR Apache-2.0EncodingMultimedia::Audio flac-reencodertool to keep your flacs reencoded1,004BSD-3-ClauseCommand line utilities flac-rsA rust wrap for libflac-sys for both encoding and decoding and metadata4,377non-standard flac-sysBindings for FLAC 1.3.215,487BSD-3-Clause-Attribution flac-tracksplitSplit FLAC+CUE (embedded) into multiple tracks1,662MIT flac_musicMusic player based on druid GUI. 支持本地音乐文件 .flac, .mp3, .wav, .m4a 格式的播放器6,225MITAccessibilityMultimedia flaccyLossless music player for Linux15GPL-3.0-only flacencPure rust library for embedding FLAC encoder in your application.554,116Apache-2.0CompressionMultimedia::Audio flacenc-binFLAC encoder written in pure Rust. An example application for flacenc crate.8,344Apache-2.0CompressionMultimedia::Audio flackTiny file locking utilities3,180MIT flacserA fast CLI tool to convert lossless FLAC, AIFF, and WAV files using ffmpeg110MITCommand line utilities flacsharkA FLAC encoder (wip) and decoder written in safe Rust74UnlicenseEncodingMultimedia::Audio flacxConvert supported PCM containers to FLAC, decode FLAC back to PCM containers, and recompress existing FLAC streams.319MITCompressionMultimedia::Audio flagSelf-resetting flags2,398MIT OR Apache-2.0 flag-algebraAn implementation of Razborov's flag algebras21,744GPL-3.0 flag-bearerGeneric async semaphores5,050Apache-2.0 OR MIT flag-bearer-coreGeneric async semaphores1,998Apache-2.0 OR MIT flag-bearer-mutexGeneric async semaphores1,801Apache-2.0 OR MIT flag-bearer-queueGeneric async semaphores1,789Apache-2.0 OR MIT flag-cellAn alternative to Rust Rc<RefCell> with exclusive & resurrectable ownership .37Apache-2.0 flag-mastErgonomic Rust bit flags7,636MIT OR Apache-2.0 flag-mast-deriveErgonomic Rust bit flags8,380MIT OR Apache-2.0 flag-parserParses flags like "-a" or "--long-flag" in a given string2,698MIT flag-rsA Cobra-inspired CLI framework with dynamic completions3,952MITCommand-line interfaceCommand line utilities flag_by_codeEasiest way to get an emoji flag from BCP-47 language tags2,922Unlicense flag_setFlagSet can process operations of the infinite complementary sets and the origin sets.9,075MIT/Apache-2.0Data structures flagaFlag management engine with support for binary, hex, and enum flags, event triggering, and persistent flag schemas.42MIT OR Apache-2.0ConfigurationData structures flagbyteA small extension to the u8 datatype to get and set single bits.1,249Apache-2.0 flagcdnA simple library for generating CDN links to country flag images in various sizes and formats.814MIT flagd-evaluation-engineEvaluation engine for flagd - JSONLogic-based targeting rules2,691Apache-2.0 flagdash-cliFlagDash TUI — Interactive terminal UI for feature flag management159MIT flagdban in-memory database in Rust for rows queried using bit (flag) columns1,550MIT flagerUltra lightweight library to parse flags8,262MIT OR Apache-2.0Command-line interfaceDevelopment tools flagfy-build-engineBuild engine for the Flagfy ecosystem, focused on performance and WebAssembly.63MIT flaggedBitflag-based warning type1,557MIT OR Apache-2.0 flagged_cl_argsCommand line argument parsing61MIT OR Apache-2.0Command-line interfaceData structures flagged_pointerA safe abstraction for tagged pointers using unused bits for flags998MITData structuresMemory management flaggerEnum flag generator8,173MIT flagger-macrosEnum flag generator proc macros8,740MIT flaggerpsResponse flagger1,554MIT flaggyA library for parsing command-line flags.7,731Apache-2.0 flaggy-codegenproc-macro code generation for flaggy.6,086Apache-2.0 flaggy-valuesTypes for representing parsed command-line flag values.7,416Apache-2.0 flagkitOfficial Rust SDK for FlagKit feature flag management157MITAPI bindingsConfiguration flagletBitflag API from a plain enum — no DSL, no wrapper type you don't own5,189GPL-3.0-or-later OR BSD-2-Clause flagliteOfficial Rust SDK for FlagLite - Simple, fast feature flags15MITDevelopment toolsWeb programming flagrantCLI powered feature-flagging1,702MIT flagrant-apiCLI powered feature-flagging1,396MIT flagrant-clientCLI powered feature-flagging1,443MIT flagrant-macrosCLI powered feature-flagging1,957MIT flagrant-typesCLI powered feature-flagging2,206MIT flagsA macro to generate structures which behave like bitflags.28,909MIT/Apache-2.0No standard library flags-macroProvides a helper macro for writing bitflags.13,854CC0-1.0No standard library flags-rsRust Library for Flags.gg4,484MIT flags_deriveDerive for the easy flags tool893non-standard flags_rstA lightweight library for parsing command-line flags.0MIT flagsetData types and a macro for generating enumeration-based bit flags38,884,735Apache-2.0 flagshipFlagship game engine. WIP.1,656MIT flagsmithFlagsmith SDK for Rust15,103BSD-3-ClauseAPI bindingsConfiguration flagsmith-asyncFlagsmith SDK for Rust4,397BSD-3-ClauseAPI bindingsConfiguration flagsmith-flag-engineThis project is the rust clone of flagsmith flag engine: https://github.com/Flagsmith/flagsmith-engine21,126BSD-3-ClauseAPI bindingsConfiguration flagtorya simple library to make command line flags.3,908MITCommand line utilities flailflail makes filesystems tolerable.48,257Apache-2.0 flairFlair is an augmentation for Lemmy, adding user flairs like Reddit3,851MIT flair-rsWasm-compilable implement of time series forecasting algorithm FLAIR.51Apache-2.0No standard libraryScience flakA project that will (hopefully) become a usable Game Engine1,188MIT flak-coreCore of the flak game engine1,296MIT flak-ecsEntity Component System for use in the flak game engine1,283MIT flak-gfxRendering engine for use in the flak game engine1,311MIT flak-guiA semi-immediate mode gui library1,201MITGUI flak-gui-coreThe core of the flak-gui package1,298MIT flak-macrosMacros used in the flak game engine1,291MIT flakeGenerator of unique ID numbers at high scale. Basically a twitter' snowflake clone2,655MIT flake-editEdit your flake inputs with ease.3,582MITCommand line utilities flake-inputsParse flake lockfiles1,517non-standard flake-schemasA library for inspecting the contents of a flake249MIT or Apache-2.0 flake-toolsUtilities for working with nix flakes1,515MIT OR Apache-2.0 flake-watcherA simple tool to watch for changes in a nix flake and run a command when it changes2,721MITCommand line utilitiesDevelopment tools flakebi-ringA fork of ring to make some private functionality public.9,737non-standard flakenConfigurable bitwidth snowflake id generator, encoder, decoder8,814MIT flakerA flake implementation for Rust. Flaker generates 128-bit ordered IDs that can be generated across multiple machines/processes…4,329Apache-2.0/MIT flakery-clientapi client for flakery server1,517MIT flakesnix alternativ1,215MIT flakreateEnriched Nix flake templates1,299Apache-2.0 flaky-finderCLI tool meant to find flaky test by running multiple times a test harness until it fails.35,295AGPL-3.0-or-later flaky_testatttribute macro for running a flaky test multiple times596,543MIT flaky_test_implimplementation detail of the `flaky_test` macro202,452MIT flakysedClean CircleCI log files. Processes the input file to extract and clean log lines related to a specific worker, stopping at the…903MITCommand line utilities flambergeCommand-line DRM removal for ebooks (Flamberge, reimplemented in Rust)18MITCommand line utilitiesCryptography flamberge-cryptoShared cryptographic primitives for Flamberge (PC1, Topaz, AES, DES, RC4, CRC-32, digests, PBKDF2)38MITCryptography flamberge-formatsContainer parsers for Flamberge (PalmDB, Topaz TPZ0, KFX-ZIP, Amazon ION, EPUB/OCF, PDF)33MITEncodingParser implementations flamberge-keysKey acquisition for Flamberge: PID generation, offline name+CC keygen, and platform key extraction32MITCryptography flamberge-schemesPer-scheme DRM removal for Flamberge, composing formats + keys + crypto25MITCryptography flambrew-json-rsSimple handmade ASCII JSON parser using Rust36GPL-3.0-only