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.
feventbuseventbus is implemented using nats,kafaka and rabbitmq client6,186Apache-2.0
feverInitialize project using templates.7,872MIT OR Apache-2.0
fever_apirust implementation of the FEVER-API53,100GPL-3.0-or-later
fewA generalization of `std::Option` allowing for up to two optional values11,681MIT OR Apache-2.0
few_special_functionsA few special mathematical functions18MIT
fexA universal interactive package search TUI292MIT
fexbluffersAllocation optimized FlexBuffer implementation (Rust).6,600Apache-2.0
fexonA simple file upload and download server in Rust using Actix5,096MPL-2.0
fexplibA simple lower-house syntax for programming language experimentation5,268MIT
fexprSimple filter query language parser so that you can build SQL, Elasticsearch, etc. queries safely from user input.3,956BSD-3-Clause
fexpr-utf8Simple filter query language parser so that you can build SQL, Elasticsearch, etc. queries safely from user input.82BSD-3-Clause
fexpressoA minimal Kernel/vau-calculus Lisp with first-class operatives and environment-based IO24MIT
fexrREST Client for Fexr1,735MIT
feyfey is a fast and reliable username scanner3,774GPL-3.0-only
fey_aseAseprite file parser.149MIT
fey_colorTypes for working with colors.527MIT
fey_fontFont loading and glyph rasterization.297MIT
fey_grid2D grid data structure and related traits.428MIT
fey_guidA 128-bit globally unique identifier.309MIT
fey_imgImage encoding, decoding, and manipulation.386MIT
fey_luaTemp types and helpers for Lua integration.618MIT
fey_mathVectors, matrices, directions, and geometry.894MIT
fey_packerA 2D rectangle packer.256MIT
fey_randRandom number generation.230MIT
fezA pure rust library for building and parsing RPMs4,737Apache-2.0
ffLibrary for building and interfacing with finite fields195,428,966MIT/Apache-2.0
ff-arcium-forkLibrary for building and interfacing with finite fields (Arcium fork)10,133MIT/Apache-2.0
ff-backend-postgresFlowFabric EngineBackend impl — Postgres backend (RFC-v0.7, Wave 0 scaffold)2,257Apache-2.0
ff-backend-sqliteFlowFabric EngineBackend impl — SQLite dev-only backend (RFC-023, Phase 1a scaffold)157Apache-2.0
ff-backend-valkeyFlowFabric EngineBackend impl — Valkey FCALL backend3,208Apache-2.0
ff-carlA simple utility library to automate Firefox' mTLS host:certificate assignment (ClientAuthRememberList.bin) file.5,505MPL-2.0
ff-cl-genOpenCL code generator for prime-fields111,462MIT/Apache-2.0
ff-cliA pluggable command-line framework for extensible CLI applications34MIT OR Apache-2.0
ff-commonCommon types and utilities for FFmpeg-based media processing1,568MIT OR Apache-2.0
ff-coreFlowFabric core types, partition math, key builders, error codes3,634Apache-2.0
ff-decodeVideo and audio decoding - the Rust way1,187MIT OR Apache-2.0
ff-derive-arcium-forkProcedural macro library used to build custom prime field implementations (Arcium fork)10,283MIT/Apache-2.0
ff-derive-numProcedural macro library to add the Num trait to Field implementations for ff15,415MIT/Apache-2.0
ff-encodeVideo and audio encoding - the Rust way1,067MIT OR Apache-2.0
ff-engineFlowFabric cross-partition dispatch and background scanners3,143Apache-2.0
ff-filterVideo and audio filter graph operations - the Rust way867MIT OR Apache-2.0
ff-findff is a simple and fast utility for finding files on Unix commandline. It also supports complex filters like GNU find.89,538MIT/Apache-2.0
ff-formatCommon types for video/audio processing - the Rust way1,507MIT OR Apache-2.0
ff-group-testsA collection of sanity tests for implementors of ff/group APIs12,127MIT
ff-group-tests-mirrorA collection of sanity tests for implementors of ff/group APIs. Mirrored by sneurlax from serai for downstream crate-publishing…1,956MIT
ff-observabilityFlowFabric observability — OTEL metrics registry + typed handles + no-op shim3,450Apache-2.0
ff-observability-httpFlowFabric consumer-side Prometheus /metrics HTTP endpoint — bridges ff-observability's registry to an axum Router for consumers…196Apache-2.0
ff-particlesA fork of macroquad-particles with serde support9,510MIT/Apache-2.0
ff-pipelineUnified decode-filter-encode pipeline for the ff-* crate family684MIT OR Apache-2.0
ff-previewReal-time video/audio preview and proxy workflow372MIT OR Apache-2.0
ff-probeMedia file metadata extraction - the Rust way1,026MIT OR Apache-2.0
ff-profilePrints path to your default Firefox profile1,835GPL-3.0-or-later
ff-rdp-cliCLI for Firefox Remote Debugging Protocol53MIT
ff-rdp-coreCore library for Firefox Remote Debugging Protocol over TCP92MIT
ff-renderGPU compositing pipeline for real-time preview (wgpu-based)138MIT OR Apache-2.0
ff-schedulerFlowFabric claim-grant scheduler3,323Apache-2.0
ff-scriptFlowFabric typed FCALL wrappers and Lua library loader3,458Apache-2.0
ff-sdkFlowFabric worker SDK — public API for worker authors3,079Apache-2.0
ff-serverFlowFabric server library and HTTP binary307Apache-2.0
ff-streamHLS and DASH adaptive streaming output for the ff-* crate family499MIT OR Apache-2.0
ff-sysLow-level FFmpeg FFI bindings for Rust1,507MIT OR Apache-2.0
ff-uintLibrary for building and interfacing with fixed-sized integers and finite fields24,132MIT/Apache-2.0
ff-uint_deriveLibrary for building and interfacing with fixed-sized integers and finite fields23,492MIT/Apache-2.0
ff-utilA command line utility to search for files and file extensions in a given directory2,979GPL-2.0-or-later
ff-zeroizeLibrary for building and interfacing with finite fields546,236MIT/Apache-2.0
ff13Operations library for the FFXIII modding suite — every UI builds on this.31MIT
ff13-cliCommand-line interface for the FFXIII modding suite (game discovery, 4GB patch, proxy install, mod tooling).18MIT
ff13-formatsFinal Fantasy XIII file-format readers and writers (White archive, WPD, IMGB, TRB, ZTR, WDB).55MIT
ff13-hdguiTurn Dendonflo's FF13 'HD Fonts and GUI' texture pack into a LayeredFS mods tree for the ff13-suite proxy (mod-specific tool).18MIT
ff13-patch4GB Large Address Aware PE patch for Final Fantasy XIII.41MIT
ff14_avatara tool to get avatar image from lodestone10,703MIT
ff7Rust 🦀 library returning general information about the Final Fantasy 7 (FF7) game (locations, materia, etc.).4,304MIT
ff_bufferA fork of ff_buffer that provides FastFlow channels on Rust.2,624MIT
ff_ceLibrary for building and interfacing with finite fields983,537MIT/Apache-2.0
ff_deriveProcedural macro library used to build custom prime field implementations5,725,617MIT/Apache-2.0
ff_derive-zeroizeProcedural macro library used to build custom prime field implementations540,172MIT/Apache-2.0
ff_derive_ceProcedural macro library used to build custom prime field implementations932,276MIT/Apache-2.0
ff_derive_wasm_unknown_unknownIndependent adaptation of the open-sourced ff_derive library that removes features incompatible with wasm32-unknown-unknown…3,015MIT/Apache-2.0
ff_energyfuzzyfold's nearest neighbor free energy evaluations.1,046MIT
ff_exporterTool for exporting Firefox bookmarks to JSON818non-standard
ff_k_centerA linear-time k-center algorithm with fairness conditions and worst-case guarantees that is very fast in practice. Includes…1,562MIT
ff_kineticsfuzzyfold's stochastic secondary structure simulations.876MIT
ff_macroTryFrom impl HashMap<String,String> -> Struct2,179MIT
ff_rithmic_apiRithmic api for easy connection to rithmic RProtocol servers13,470MIT
ff_structurefuzzyfold's secondary structure representations.1,147MIT
ff_wasm_unknown_unknownIndependent adaptation of the open-sourced ff library that removes features incompatible with wasm32-unknown-unknown architecture4,839MIT/Apache-2.0
ffactorA very minimal number theory utilities4,685MIT
ffavSafe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg-next crate)15,709WTFPL
ffav-sysFFI bindings to FFmpeg13,401WTFPL
ffbins-rsanother ffmpeg wrapper117MIT OR Apache-2.0
ffcA Rust replacement for the fortune CLI356MIT
ffchargeA lightweight pure Rust library for fast, residue-based force field charge assignment (AMBER/CHARMM) in molecular modeling…620MIT
ffcliA ffmpeg cli args builder11,612AGPL-3.0-or-later
ffcntFast file counting on HDDs15,990GPL-3.0
ffcutterCuts mp4 or mp3 to 30 seconds to be given as a melody source to audiocraft1,492MIT OR Apache-2.0
ffcvFirefox Configuration Viewer - Parse and query Firefox preference files114MIT OR Apache-2.0
ffdFast Function Dispatch: Improving the performance of Rust's dynamic function calls3,019MIT
ffdashFFMPEG video encoder with live dashboard, hardware acceleration, and batch processing91MIT
ffdbTrying to build a better code execution environment on a database1,445GPL-3.0
fferrisYet another FFmpeg wrapper for Rust1,199MIT OR Apache-2.0
fferris-sysDO NOT USE THIS1,238GPL-3.0
fferris_macrosMacros for FFerris1,250MIT OR Apache-2.0
fferyA file manipulation cli. Made for me by me.5,198MIT
ffetchFast, minimal & Rust-powered system fetcher3,024GPL-3.0-or-later
fffLibrary for building and interfacing with finite fields187,138MIT/Apache-2.0
fff-grepFile grepping logic for fff85,997MIT
fff-notify-debouncer-fullnotify event debouncer optimized for ease of use118,983MIT OR Apache-2.0
fff-query-parserQuery parser for fff file finder - includes specific syntax for various constraints like globs, extensions, regex etc85,058MIT
fff-searchFaboulous & Fast File Finder - a fast and extremely correct file finder SDK with typo resistance, SIMD, prefiltering, and more83,495MIT
fff_deriveProcedural macro library used to build custom prime field implementations140,743MIT/Apache-2.0
fffftNumber theoretic transform for PrimeField types (from ff crate)12,748Apache-2.0
ffflA contiguous First-fit Freelist3,530MIT
ffflowFFmpeg workflow automation CLI/TUI with real-time progress tracking66MIT
ffforfAnother fasta/q/x file format parser. Well fuzzed.4,137MIT OR Apache-2.0
fffxAnother fasta/q/x file format parser. Well fuzzed.10,153MIT OR Apache-2.0
ffga golang version manager tool3,697MIT
ffgaff这是一个小工具集。21MIT
ffgenA fast fake feature generator8,016MIT/Apache-2.0
ffgl-coreFFGL plugin framework11,630 GPL-3.0-or-later
ffgl-gliumFFGL plugin utilities for using glium4,160 GPL-3.0-or-later
ffhffh makes it easy to read and write files1,332MIT OR Apache-2.0
ffiMacro for routing C FFI callbacks to struct methods39,739Apache-2.0
ffi-bridgeMemory-safe Go↔Rust FFI boundary helpers: buffer management, error propagation, and callback registration20MIT
ffi-cellLend objects across ffi boundaries400MIT OR Apache-2.0
ffi-closureSend and recevie closures through FFI2,909MIT
ffi-convertA collection of utilities to ease conversion between Rust and C-compatible data structures.757,006MIT OR Apache-2.0
ffi-convert-deriveMacros implementations of CReprOf, AsRust, CDrop traits from ffi-convert761,938MIT OR Apache-2.0
ffi-convert-extra-ctypesExtra C-compatible utility types for ffi-convert mirroring std types.16MIT OR Apache-2.0
ffi-destructGenerates destructors for structures that contain raw pointers in the FFI.5,745Apache-2.0
ffi-enumSimply write and use `enum`s like rust native enums, freely passing through ffi4,507MIT OR Apache-2.0
ffi-enum-macrosSimply write and use `enum`s like rust native enums, freely passing through ffi4,675MIT OR Apache-2.0
ffi-exportA proc macro attribute to export Rust functions to FFI more easily3,335MIT
ffi-export-proc-macroA proc macro attribute to export Rust functions to FFI more easily4,206MIT
ffi-genCall rust from any language.19,922MIT
ffi-gen-macroffi-gen macro5,624MIT
ffi-guardAI-native Rust FFI safety auditor — catches what clippy misses across C/C++ boundaries15MIT
ffi-guyAn attribute macro to automatically make functions FFI safe.39MIT
ffi-opaqueA simple macro to create correct opaque pointers.2,243,980MIT
ffi-poolObject pool types useful for FFI code.8,116MPL-2.0
ffi-resultFFI-compatibe and ABI-stable analogue for core::result::Result.565non-standard
ffi-stdFFI-safe versions of some std datastructures.1,735MIT
ffi-stringA small crate for moving strings across `extern "C"`4,209MIT
ffi-supportA crate to help expose Rust functions over the FFI.1,730,869Apache-2.0 / MIT
ffi-toolkitA collection of functions useful for working with the Rust FFI.98,815MIT OR Apache-2.0
ffi2Macro for routing C FFI callbacks to struct methods4,818Apache-2.0
ffi_11One-to-one FFI types for C++/Rust interop.1,545non-standard
ffi_helpersA crate to help make working with FFI easier.17,645,453MIT
ffi_reflectProvides a derive macro that genreates a reflection method for C-comaptible types4,490MIT
ffi_reflect_csharpC# code generator for the `ffi_reflect` package3,879MIT
ffi_reflect_deriveA derive proc macro counterpart of the `ffi_reflect`3,802MIT
ffi_rpcUse FFI with RPC.10,324GPL-3.0
ffi_rpc_macroProc macros for ffi_rpc.14,655MIT
ffi_structThe proc-macro crate for the Rust programming language to create structs with FFI compatibility. Also allows the members of the…524non-standard
ffi_struct_deriveThis crate is a supporting library for the `ffi_struct` crate. It provides the proc macro `FFIStruct` which is used in…954non-standard
ffi_struct_traitThe trait bounds for `ffi_struct`700non-standard
ffi_timeFFI assistant for Rust time types64,016BSD-2-Clause
ffi_traitFFI-safe trait vtables4,454MIT
ffi_typesC ABI compatible wrappers for cbindgen/bindgen.83,652BSD-2-Clause
ffi_utilsFFI utilities70,419MIT OR BSD-3-Clause
ffi_wrapper_nounwindAutomatically generate FFI wrappers that catch unwinding from FFI into Rust.3,212MIT OR Apache-2.0
ffiberEnable FFI for calling Rust from C by translating Rust-y library interfaces to extern C functions.1,576non-standard
ffigenCode generation of FFI buildings for other languages to call Rust3,145
ffilterSimple dsp library930MIT OR Apache-2.0
ffimageForeign function image handling31,129MIT
ffimage_yuvYUV (aka YCbCr) pixel types for ffimage12,576MIT
ffindffind is a command line utility that performs the core functionality of Linux's find command, with the ability for "fuzzy"…1,712Unlicense OR MIT
ffindexrsA Rust implementation of FFindex, a simple index/database for huge amounts of small files.34Apache-2.0
ffishimLibrary behind ffishim_derive6,309MIT OR Apache-2.0
ffishim_deriveProcedural macros for generating ffi-compatible stubs4,541MIT OR Apache-2.0
ffizerffizer is a files and folders initializer / generator.
It creates or updates any kind (or part) of project from template(s)94,716CC0-1.0
ffizzA library of utilities for exporting Rust libs for use in other languages2,747MIT
ffizz-headerFFI helpers to generate a C header for your library29,218MIT
ffizz-macrosFFI helper macros (typically not depended on directly)29,822MIT
ffizz-passbyFFI helpers for implementing pass-by-value and pass-by-pointer14,316MIT
ffizz-stringFFI string implementation8,785MIT
fflazyLazily-written bindings for FFmpeg1,571MIT
fflibProsta biblioteka Rust z funkcjami geometrycznymi i matematycznymi529MIT
fflonkReference implementation of fflonk prover and verifier234,270MIT OR Apache-2.0
fflonk-cudaCUDA implementation of the fflonk prover87,930MIT OR Apache-2.0
fflyA "blazingly" fast key-value pair database without bloat written in rust.6,183MIT
ffly-rsA rust utility library for the Firefly key-value pair database.10,554MIT
ffmA blazing-fast terminal file manager with three-panel layout, fuzzy search, multi-select, and full keyboard control43MIT
ffmetadataA simple parser for ffmpeg's ffmetadata format4,443BSD-3-Clause
ffmmlFamicon (a.k.a. NES) Flavored Music Macro Language5,857MIT OR Apache-2.0
ffmmlcFFMML command-line compiler1,595MIT OR Apache-2.0
ffmpegSafe FFmpeg wrapper21,364WTFPL
ffmpeg-cliWraps the ffpmeg cli, using `-progress` to report progress7,765GPL-2.0-or-later
ffmpeg-commonCommon library for FFmpeg Suite RS3,055MIT OR Apache-2.0
ffmpeg-common-s4mCommon library for FFmpeg Suite RS254MIT OR Apache-2.0
ffmpeg-decoderDecodes audio files using ffmpeg with rust. Can be used as a rodio source.5,809MIT
ffmpeg-devSelf contained (no net/sys deps) static rust bindings to ffmpeg.39,012MIT
ffmpeg-dev-sysffmpeg sys crate966MIT
ffmpeg-diSafe FFmpeg wrapper (FFmpeg 4 5 6 compatible fork of the ffmpeg crate)3,304MIT
ffmpeg-frame-grabberProvides a frame iterator for videos by using ffmpeg. Decodes images using the image crate.17,377MIT
ffmpeg-lightA small Rust crate that wraps a few common FFmpeg tasks226Apache-2.0
ffmpeg-nextSafe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)5,964,840WTFPL
ffmpeg-next-crossfixSafe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)1,724WTFPL
ffmpeg-next-ioIO Extensions for ffmpeg-next1,330MIT
ffmpeg-next-rkSafe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)947WTFPL
ffmpeg-pipelineComposable FFmpeg decoding, encoding, remuxing, and media I/O for Rust37AGPL-3.0-only