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.
flyllmA Rust library for unifying LLM backends as an abstraction layer with load balancing.4,476MIT
flymarkA super-duper-fast CLI imark client12,238MIT OR Apache-2.0
flynn-openaiRust library for OpenAI1,859MIT
flynt-modelsCore data types for Flynt — Task, Board, Engagement, and task file serialization. Minimal deps for reuse by omegon and ecosystem…1,935MIT
flyptoSimplified cryptography library309GPL-3.0-only
flyrFlyr is a library for extracting the thermal data from FLIR thermograms.6,630EUPL-1.2
flyr-cliSearch Google Flights from the terminal241GPL-3.0
flyradarManage your Fly.io resources in style2,602MIT
flyslice_minigrepmy test.2,787MIT
flysystemA filesystem abstraction layer for Rust.6,966MIT
flyteidlRust bindings and utilities for FlyteIDL protobufs.3,315non-standard
flyteidl2Rust bindings and utilities for FlyteIDL protobufs.3,842Apache-2.0
flyteidl_newRust bindings and utilities for FlyteIDL protobufs.1,652Apache-2.0
flytrapQuery the Fly.io runtime environment10,644MIT
flywayFlyway-rs project, Database change control,similar to flyway in Java10,206MIT
flyway-codegenFlyway-rs project, Database change control,similar to flyway in Java9,624MIT
flyway-rbatisFlyway-rs project, Database change control,similar to flyway in Java8,488MIT
flyway-sql-changelogFlyway-rs project, Database change control,similar to flyway in Java10,128MIT
flyweightsInterned strings & bytestrings for client-controlled values in long-lived programs.2,740BSD-2-Clause
flywheelOpen-source, cross-platform 2.5D game engine built on SDL3.2,430Zlib
flywheel-compositorA zero-flicker terminal compositor for Agentic CLIs148MIT OR Apache-2.0
fmNon-backtracking fuzzy text matcher655,106Apache-2.0/MIT
fm-bindingsRust bindings for Apple's Foundation Models framework415MIT OR Apache-2.0
fm-clicross-platform Rust command-line tool for browsing your filesystem2,696MIT
fm-indexFM index and its variant implementations for Rust.91,338MIT OR Apache-2.0
fm-index-versFM index and its variant implementations for Rust, backed by vers-vecs.745MIT OR Apache-2.0
fm-rsRust bindings for Apple's FoundationModels.framework2,488MIT
fm-rs-deriveProc-macro derive for fm-rs Generable schema244MIT
fm-script-clientAsync client to execute scripts on FileMaker servers through Data- and OData API4,154MIT
fm-tuiFM : a file manager inspired by ranger and dired{n}{n}Config files ~/.config/fm/{n}Documentation https://github.com/qkzk/fm{n}37,311non-standard
fm24v10fm24v10 f-ram embedded-hal-async driver4,458MIT OR Apache-2.0
fm_mod_synthA simple package for fm synthesis7,233MIT
fm_pluginBuild plug-ins for use with FileMaker Pro and FileMaker Server.26,033MIT
fm_treeFormat YAML/JSON to file system like structure.1,933MIT
fmaTiny crate to use FMA(Fused Multiply-Add) instruction easily.4,751MIT
fmamsgencode and decode illumos Fault Management Architecture (FMA) diagnostic codes2,819Apache-2.0
fmanA simple file manager TUI10,895MIT OR Apache-2.0
fmapFunctors in Rust66,377MIT OR Apache-2.0
fmathA math library for my personal projects7,182MIT-0
fmcLibrary for creating fmc servers5,132MIT OR Apache-2.0
fmc_173fmc 173742MIT OR Apache-2.0
fmc_client_apiLibrary for creating fmc client plugins3,296MIT OR Apache-2.0
fmc_example_modfmc example mod1,568MIT OR Apache-2.0
fmc_noiseSIMD gradient noise library5,540MIT OR Apache-2.0
fmc_noise_macrosImplementation crate for fmc_noise2,269MIT OR Apache-2.0
fmc_noise_multiversionEasy function multiversioning2,358MIT OR Apache-2.0
fmc_noise_multiversion-macrosImplementation crate for multiversion1,624MIT OR Apache-2.0
fmc_protocolThe fmc protocol4,528MIT OR Apache-2.0
fmc_protocol_deriveDerive macros for fmc_protocol2,538MIT OR Apache-2.0
fmc_vanillaBare-bones implementation of an fmc server4,283MIT OR Apache-2.0
fmdFind Markdown files by metadata - Search by tags, frontmatter, and custom fields72MIT
fmd-admIdiomatic Rust bindings for illumos libfmd_adm50MPL-2.0
fmd-adm-sysRaw FFI bindings to illumos libfmd_adm98MPL-2.0
fmd-fontClean-room TrueType/OpenType font reader and glyf outline decoder (franken_markdown's font subsystem)14non-standard
fmeA command-line program for modeling a SBLOC-based investment strategy.4,354MIT
fmecaDeterministic, offline kernel for structured FMECA (Failure Modes, Effects & Criticality Analysis): an event-sourced failure-mode…28Apache-2.0
fmeca-mcpStdio MCP server wrapping the fmeca kernel: a deterministic, offline structured-FMECA engine exposed as a command/query MCP tool…18Apache-2.0
fmediaGet file media type or suffix3,059MIT
fmemoryMemory library for the fiddlesticks agent harness framework342MIT
fmergeMerging files recursively.10,815MIT
fmerkMerkle key/value store6,544MIT
fmetaFind alternative that emits files with rich metadata (mime, encoding) - AI-friendly144Apache-2.0
fmiA Rust interface to FMUs (Functional Mockup Units) that follow the FMI Standard. See http://www.fmi-standard.org/61,450MIT OR Apache-2.0
fmi-exportFMU export support for FMI 3.0356MIT OR Apache-2.0
fmi-export-deriveProc-macro support for fmi-export435MIT OR Apache-2.0
fmi-ls-busrust-fmi implementation for ls-bus55MIT OR Apache-2.0
fmi-schemaXML schema support for FMI 2.0 and 3.062,599MIT OR Apache-2.0
fmi-simA pure Rust FMI simulator2,810MIT OR Apache-2.0
fmi-sysRaw bindgen bindings to FMI 2.0 and 3.062,711MIT OR Apache-2.0
fmi-test-dataUtilities for fetching test data from Modelica's Reference-FMUs repository.2,285MIT OR Apache-2.0
fmi-xtaskShared helpers for FMI xtasks and tooling23MIT OR Apache-2.0
fmlMore to come.1,625MIT
fmlmpegAnother ffmpeg wrapper329MIT
fmlrcFM-index Long Read Corrector - Rust implementation12,135MIT OR Apache-2.0
fmmManage your Factorio mods.9,029MIT
fmmapA flexible and convenient high-level mmap for zero-copy file I/O.321,049MIT OR Apache-2.0
fmnlFormats newlines of input with a given string1,595MIT
fmodA rust binding for the FMOD library54,442non-standard
fmod-audio-sysffi bindings to FMOD and FMOD Studio6,789MPL-2.0
fmod-build-helperBuild helper for FMOD Engine bindings275MIT OR Apache-2.0
fmod-core-sysFMOD Core bindings1,725non-standard
fmod-fsbank-sysFMOD FSBank bindings1,656non-standard
fmod-oxideZero cost bindings to FMOD and FMOD Studio7,813MPL-2.0
fmod-rsReserved for ongoing project1,589MIT OR Apache-2.0
fmod-rs-sys-for-docpregenerated FMOD SDK bindings (for documentation builds only)26non-standard
fmod-studio-sysFMOD Studio bindings1,624non-standard
fmod-sysBindgen wrappers around the FMOD Core and Studio libraries2,978non-standard
fmod1Rust wrapper for FMOD low-level API1,450Apache-2.0
fmod1-sysGenerated bindings for FMOD low-level API1,372Apache-2.0
fmodelA Library for Automated Financial Modelling1,550MIT
fmodel-decider-rustPure, type-safe, event-driven decision engine with progressive type refinement for event-sourced and state-stored systems48Apache-2.0
fmodel-rustAccelerate development of compositional, safe, and ergonomic applications/information systems by effectively implementing Event…15,134Apache-2.0
fmodeparserA tool to parse the file permission into a unix-like text representation1,389GPL-3.0
fmodsilo_interface_stdioDefines an stdio interface for FModSilo language server.2,724MIT OR Apache-2.0
fmodsilo_serverFModSilo language server provides language features for Factorio mod development.3,397MIT OR Apache-2.0
fmopsThe FMOps Rust SDK1,474Apache-2.0
fmorency-release-testRelease test1,502MIT OR Apache-2.0
fmpFinancial Modeling Prep API Wrapper7,532MIT
fmp-rsProduction-grade Rust client for Financial Modeling Prep API with intelligent caching, rate limiting, and comprehensive endpoint…551MIT OR Apache-2.0
fmqFrontMatter querying made easy3,005MIT
fmqlA fast and feature-rich file manager written in Rust3,783MIT
fmradioAn FM radio demodulator and RDS decoder in pure Rust207MIT
fmriImplementation of IPS package identifier - FMRI11,048MIT
fmsample_testsomething something something dark side1,937AFL-3.0
fmtFormat373,850MIT OR Apache-2.0
fmt-cmpTraits and utilities for lexicographically comparing values in their `Display` representations74,013MIT OR Apache-2.0
fmt-deriveA more robust and versatile derive macro for Debug and Display.37,736MIT OR Apache-2.0
fmt-derive-procA more robust and versatile derive macro for Debug and Display.38,421MIT OR Apache-2.0
fmt-durStrict human-readable Duration parser/formatter: '2d3h4m', '90s', '1.5h'. Enforces unit order, no duplicates, and precise decimal…369MIT OR Apache-2.0
fmt-extraExtra formaters not shipped in the standard library43,708Apache-2.0 OR MIT
fmt-interspersedA crate to write an iterator's items, interspersed with a separator, to a destination11,559MIT
fmt-iterPrint all items from an iterator85,489MIT
fmt-logMacros for logging to the console, but also returning the formatted string2,916MIT
fmt-rsA tiny dependency-free Bash command formatter for the Claude Code permission dialog21MIT
fmt-toolsProvides various tools for creating objects that implement `Debug` and `Display` traits.3,102MIT
fmt-utilsVarious utilities for use with std::fmt::Display and fast_fmt::Fmt1,706CC0-1.0
fmt2traits, structs and macros for formatting4,293MIT
fmt2ioA bridge between std::io::Write and std::fmt::Write.746,800MITNFA
fmt_adapterProvides newtype adaptors to and from any formatting trait4,083CC0-1.0
fmt_commaFormat Comma library5,768MIT
fmt_compare_nostdLibrary for comparing Display and Debug traits against &str without allocation. No_std compatible.2,734MIT
fmt_extA simple interface for extending external types with custom implementations of `Debug` and
`Display` traits.4,408MIT
fmtasticFormat numbers using the unicode characters via the Display trait.8,198Unlicense OR MIT OR Apache-2.0
fmtbufUtilities for formatting to a fixed-size buffer8,737Apache-2.0
fmtcalcA calculator that can be used like the println! macro of the Rust language.1,700MIT
fmtcnvCross-convert bson, csv, hjson, hocon, json, json5, jsonl, plist, ron, toml, toon, xml, yaml311Apache-2.0
fmterrSane error reporting that just works.44,526MIT
fmtlogA simple configurable logger with format specification.9,589MIT
fmtmA diff-friendly Markdown formatter that breaks lines on sensible punctuations and words to fit a line width.6,012MIT
fmtm_ytmimi_markdown_fmtFork of @ytmimi's Markdown formatter; powers FMTM.5,241MIT
fmtnaA CLI app to format filenames according to a chosen naming convention.3,226GPL-3.0
fmtoolsFast, minimal, feature-rich, extended formatting syntax for Rust!113,658MIT
fmtorFormatting combinators for Options4,579MIT OR Apache-2.0
fmtparseParse format!-like strings2,765EPL-2.0
fmtronA simple tool for autoformatting RON files.210MIT
fmtsizeHuman-readable formatting for memory sizes, etc.21,202MIT OR Apache-2.0
fmtstructFormat-agnostic configuration loader supporting no_std, alloc, and std.423MIT
fmttA diff-friendly text formatter that breaks lines on sensible punctuations and words to fit a line width.16,333MIT
fmttoolsTools for modifying text without allocating any intermediate buffers or unsafe code8,166MIT OR Apache-2.0
fmtviewFast CLI viewer for highlighting, search, and diffs across JSON, JSONL, HTML/XML, Markdown, TOML, text, and Jinja525MIT
fmtview-coreHeadless viewer engine for fmtview84MIT
fmtxTerminal formatting utilities: ANSI colors, badges, bars, and section headers32MIT OR Apache-2.0
fmtyComposable `core::fmt` utilities.3,868MIT OR Apache-2.0
fmu-runnerA high level Rust wrapper for executing FMU's that follow the FMI 2.0 standard.442,595MIT OR Apache-2.0
fmu_from_structA derive macro for automatically setting up FMU models in Rust3,248MIT
fmu_from_struct_deriveA derive crate for automatically setting up FMU models in Rust3,721MIT
fmul-to-intFloat multiplication to integer part.9,090MIT/Apache-2.0
fmutexCross-platform mutual exclusion across processes on a file or path87,627MIT OR Apache-2.0
fnA tool for evaluating a JavaScript function and printing the result.15,888MIT
fn-bnfA parsing grammar generator that lets you use arbitrary Rust items as rules.3,726MIT OR Apache-2.0
fn-bnf-macroProc macro for fn-bnf2,300MIT OR Apache-2.0
fn-cacheA copy-less and clone-less function caching library23,252MIT
fn-coerceHelper for fn pointer coercing.61MIT
fn-composeA small macro for function composition1,715MIT
fn-decoratorThe crate contains macros for implementing wrapper functions around member or static functions.12,428MIT
fn-dsaFN-DSA signature scheme40,488Unlicense
fn-dsa-commFN-DSA signature scheme43,833Unlicense
fn-dsa-kgenFN-DSA signature scheme42,134Unlicense
fn-dsa-signFN-DSA signature scheme42,399Unlicense
fn-dsa-vrfyFN-DSA signature scheme42,835Unlicense
fn-error-contextAn attribute macro to add context to errors from a function.1,128,200MIT/Apache-2.0
fn-fixtureProcedural macro designed to quickly generate snapshots of a fixture8,661MIT
fn-fixture-libInternal library for fn-fixture9,504MIT
fn-formatsFormat trait wrappers for Fn(&mut Formatter) -> fmt::Result10,395MIT OR Apache-2.0
fn-itemHelpers for working with closures that don’t capture any variables.1,344MIT
fn-macroslib to allow composition of sync and async rust functions1,080MIT
fn-mapAbstraction around HashMap. Uses closure to compute and store value.2,695MIT
fn-memoA library for creating the memoization of a function.28,707MIT OR Apache-2.0
fn-ptrA utility crate for introspecting and rewriting function pointer types at compile time.14,379MIT
fn-sdkFleek Network SDK1,507GPL-3.0
fn-sdk-macrosFleek Network SDK Macros1,526GPL-3.0
fn-storeA dynamic persistent value store using closure type as key and storing its return value.16,087MIT
fn-traitsProvides function traits like the standard library ones, but can be used in stable Rust.32,427MIT
fn-utilA proc macro contains utilities for rust functions17,838MIT
fn0FaaS platform powered by wasmtime1,404AGPL-3.0-only
fn0-adapt-cacheAdaptive caching layer with S3 backend support510AGPL-3.0-only
fn0-cliCLI for fn0 cloud138AGPL-3.0-only
fn0-deno-fetchFetch API implementation (fn0 fork of deno_fetch without deno_net dependency)966MIT
fn0-deno-webCollection of Web APIs (fn0 fork of deno_web with MessagePort support)963MIT
fn0-deployDeploy client for fn0 cloud494AGPL-3.0-only
fn0-doc-dbDocument-oriented Turso/libSQL DB (works in both WASI components and native binaries)278AGPL-3.0-only
fn0-host-hq-protocolProtocol definitions for fn0 host-HQ communication71AGPL-3.0-only
fn0-object-storageUser-facing S3-compatible object storage for fn0/Forte apps (works in both WASI components and native binaries)91AGPL-3.0-only
fn0-shared-schemaShared doc schemas consumed by fn0-control, fn0-worker and fn0-worker-agent244AGPL-3.0-only
fn0-skiMinimal Winter CG Compatible Runtime995AGPL-3.0-only
fn0-wasmtimeWasmtime wrapper for fn0574AGPL-3.0-only
fn0-workerWorker binary for the fn0 FaaS platform828AGPL-3.0-only
fn0-worker-agentPer-instance agent that supervises fn0-worker containers (lifecycle, blue-green, in-host proxy, DNS register).93AGPL-3.0-only
fn0-worker-proxyTiny, rarely-changing TCP forwarder fronting fn0-worker containers on :443. Polls a target file the worker-agent writes, so agent…19AGPL-3.0-only
fn0rdA Discordian calendar and chaos utility. Contains 5 tons of flax.106WTFPL
fn6Fast, efficient and scalable SNP distance calculation from disk.68non-standard
fn_abiA proc attribute macro that sets the ABI/calling convention for the attributed function18,336MIT
fn_blockCrate defining macros for calling blocks or expressions in a closure.23,286Apache-2.0/MIT
fn_boxBox up your FnOnces8,675CC0-1.0
fn_chainHelper macro/function to create function chaining4,336BSD-3-Clause
fn_derA trait for functions that have a derivative5,055MIT
fn_gradA trait for functions that have a gradient5,788MIT
fn_graphRuns interdependent logic concurrently, starting each function when predecessors have completed.65,837MIT OR Apache-2.0
fn_has_thisA proc attribute macro that allows you to specify whether a function has a `this` argument (for conditional compilation)12,792MIT
fn_loggerA wrapper over a function which logs every call to it.4,724MIT OR Apache-2.0