All 305,250 crates, alphabetically

feo-oop-engineAn Object Oriented game engine for rust.3,023MITAsynchronousData structures feo-oop-engine-proc-macrosThe proc macros for feo-oop-engine.5,093MITAccessibilityAsynchronous feo3boyEmulator core for the gameboy2,131MITEmulators feo3boy-executor-generatorProvides code generation for microcode executors for the `feo3boy` gameboy.2,694MITEmulators feo3boy-memdev-deriveMacros for defining Game Boy memory bus mappings for the `feo3boy` gameboy.2,706MITEmulators feo3boy-microcode-generatorProcedural macro for defining microcode instructions for the `feo3boy` gameboy.3,631MITEmulators feo3boy-opcodesDefines the opcodes for the `feo3boy` gameboy.3,184MITEmulators feo3boy-playerCross-platform frontend for the `feo3boy` emulator core.1,530MITEmulators feofetchYet another (x)fetch tool, written in rust with cross-platform in mind.2,819MIT OR Apache-2.0Command line utilities feomFramework for evolutionary optimization methods1,890GPL-3.0 feonThe unsung coder sings none for himself407non-standard feophantA SQL database server written in Rust and inspired by PostreSQL9,234AGPL-3.0-or-laterDatabase implementations feosFeOs - A framework for equations of state and classical density functional theory.19,421MIT OR Apache-2.0Science feos-adFeOs-AD - Implicit automatic differentiation of equations of state and phase equilibria.4,322MIT OR Apache-2.0Science feos-campdComputer-aided molecular and process design using the FeOs framework.7,020MIT OR Apache-2.0Science feos-coreCore traits and functionalities for the `feos` project.29,389MIT OR Apache-2.0Science feos-deriveMacros for the automatic implementation of traits in FeOs10,985MIT OR Apache-2.0Science feos-dftGeneric classical DFT implementations for the `feos` project.20,902MIT OR Apache-2.0Science feos-gc-pcsaftImplementation of the (heterosegmented) gc-PC-SAFT equation of state and corresponding Helmholtz energy functional.2,908MIT OR Apache-2.0Science feos-pcsaftImplementation of PC-SAFT EoS and corresponding Helmholtz energy functional.3,201MIT OR Apache-2.0Science feos-petsImplementation of PeTS equation of state and corresponding Helmholtz energy functional.1,744MIT OR Apache-2.0Science feotestProbabilistic testing framework for stochastic services119Apache-2.0Development tools::Testing feotest-macrosProc-macros for the feotest probabilistic testing framework95non-standardDevelopment tools::Testing feox-annDependency-free HNSW approximate nearest neighbor index with deterministic, reproducible builds51Apache-2.0AlgorithmsData structures feox-serverHigh-performance Redis-compatible server for Feox DB2,978Apache-2.0Database interfacesNetwork programming feox-vectorEmbedded vector store on FeOxDB - exact and ANN cosine search with metadata filtering40Apache-2.0AlgorithmsData structures feoxdbIron-oxide fast embedded database - nanosecond-level key-value storage5,926Apache-2.0CachingData structures feqA message queue library1,992MIT ferLibrary for fast image resizing with using of SIMD instructions, slim version7,566MIT OR Apache-2.0 feraAn aggregation of algorithms, data structures and supporting crates.4,624MPL-2.0AlgorithmsData structures fera-arrayArrays traits and implementations (prefixed, copy on write, nested, etc)2,898MPL-2.0 fera-extExtensions traits for std types.5,457MPL-2.0 fera-funFree functions for fun programming.5,289MPL-2.0 fera-graphGraph data structures and algorithms.7,026MPL-2.0 fera-optionalAn optional value trait and some implementations.7,810MPL-2.0 fera-unionfindUnion-find (disjoint-set) data structure implementation.5,452MPL-2.0 feralSparse symmetric indefinite direct solver in pure Rust, with certified inertia counts.8,026MITMathematicsScience feral-amdApproximate Minimum Degree (AMD) fill-reducing ordering, quotient-graph algorithm (Amestoy, Davis & Duff 1996, 2004). Pure Rust,…7,970MITMathematicsScience feral-amfApproximate Minimum Fill (AMF / HAMF4) fill-reducing ordering, quotient-graph algorithm (Amestoy 1999). Pure Rust, standalone.7,761MITMathematicsScience feral-kahipKaHIP-style flow-based nested-dissection fill-reducing ordering (Sanders & Schulz 2011; data reduction per Ost, Schulz & Strash…7,763MITMathematicsScience feral-metisMultilevel nested-dissection fill-reducing ordering (Karypis & Kumar 1998). Pure Rust, clean-room, standalone. Implements the…7,824MITMathematicsScience feral-ordering-coreShared input/output types for FERAL's fill-reducing ordering crates (feral-amd, feral-metis, feral-scotch, feral-kahip). Defines…8,023MITMathematicsScience feral-scotchSCOTCH-style nested-dissection fill-reducing ordering (Pellegrini 1996). Pure Rust, clean-room, standalone. Implements the FERAL…7,758MITMathematicsScience fercordA Discord bot written in Rust.2,680GPL-3.0-or-later fercord_botA Discord bot written in Rust, for personal use7,959GPL-3.0-or-later fercord_commonCrate with common types used by the Fercord bot3,548GPL-3.0-or-later fercord_storageStorage crate for Fercord9,621GPL-3.0-or-later fereA 3D rendering engine focused on simple use and realtime global illumination.1,699MITGraphicsRendering fere-commonCommon, essential data types and utilities for Fere.3,055MITGraphicsRendering fere-resourcesVarious graphical resources for Fere.2,471MITGraphicsMultimedia ferinthA simple Rust wrapper for the official Modrinth API59,329MITAPI bindings ferioEveryday is a holiday!1,597MIT ferionA Rust library18Apache-2.0 feriumFast CLI program for managing Minecraft mods and modpacks from Modrinth, CurseForge, and Github Releases84,454MPL-2.0Command line utilities ferivonus-macrosProcedural macros for the Ferivonus documentation engine.179MIT ferivonus-swagger-genAutomated, zero-configuration Swagger and OpenAPI documentation engine for Actix-web.141MIT ferlRust reinforcement learning1,513MIT ferletPrint text as ASCII art with Unicode support and customizable colors and filters.1,507GPL-3.0-or-laterCommand line utilities fermahFermah network.1,269MITCommand line utilities fermah-avsFermah AVS.3,059MIT OR Apache-2.0Command line utilities fermah-commonFermah common utilities and types.4,683MIT OR Apache-2.0Command line utilities fermah-configFermah configuration profiles utility.4,403MIT OR Apache-2.0Command line utilities fermah-databaseFermah database for AVS.3,605MIT OR Apache-2.0Command line utilities fermah-rpcFermah RPC client/server.2,489MIT OR Apache-2.0Command line utilities fermah-seekFermah ZK proof seeking.2,251MIT OR Apache-2.0Command line utilities fermah-telemetryFermah telemetry tracing and metrics.4,134MIT OR Apache-2.0Command line utilities fermat-core128-bit fixed-point arithmetic for Solana sBPF — no_std, zero dependencies115MIT OR Apache-2.0 fermat-solanaSolana/Anchor integration for fermat-core (Borsh, SPL tokens)39MIT OR Apache-2.0 fermataAn S-expression DSL for working with MusicXML42MIT OR Apache-2.0CompilersMultimedia::Audio fermentTraits for FFI conversions and some helper methods10,142MIT ferment-constraintsConstraint satisfaction as fermentation — sourdough starters and server fleets solve the same class of problem17MITAlgorithmsMathematics ferment-interfacesTraits for FFI conversions and some helper methods3,947MIT ferment-macroMacros for boilerplate9,444MIT ferment-sysSyntax tree morphing of FFI-compatible stuff6,699MIT fermentationThe good kind of decay; forward decay.9,934Apache-2.0 fermiGlobal state management for Dioxus47,764MIT OR Apache-2.0 fermioProactive IO & runtime system29Apache-2.0/MITAsynchronousConcurrency fermionA super-compact binary encoding format ideal for constrained no_std environments.3,340MPL-2.0 fermiumAn opinionated crate of SDL2 bindings.222,514Zlib OR Apache-2.0 OR MITExternal FFI bindingsNo standard library fermsForm input and validation using Yew hooks1,512MITGUIWebAssembly fernSimple, efficient logging42,398,124MITDevelopment tools::Debugging fern-authorizationEmpty crate, used only to reserve the name.1,580Apache-2.0AuthenticationData structures fern-authorization-opaEmpty crate, used only to reserve the name.1,648Apache-2.0AuthenticationData structures fern-controllerEmpty crate, used only to reserve the name.1,628Apache-2.0 fern-dashboardEmpty crate, used only to reserve the name.1,633Apache-2.0 fern-encryptionEmpty crate, used only to reserve the name.1,584Apache-2.0CryptographyData structures fern-encryption-vaultEmpty crate, used only to reserve the name.1,639Apache-2.0CryptographyData structures fern-enum-tagsVariant tags for enums with fields too1,162non-standard fern-jitJIT compiler for the fern bytecode runtime948non-standard fern-journalFern logger for Systemd Journal logging3,752MIT fern-loggerConvenient and configurable multi-output logger146,298Apache-2.0 fern-maskingEmbedded data masking handlers for Fern proxy.10,501Apache-2.0CryptographyData structures fern-operatorEmpty crate, used only to reserve the name.1,634Apache-2.0 fern-policy-engineEmpty crate, used only to reserve the name.1,660Apache-2.0AuthenticationData structures fern-protocol-arangodbEmpty crate, used only to reserve the name.1,591Apache-2.0Data structuresEncoding fern-protocol-bigqueryEmpty crate, used only to reserve the name.1,657Apache-2.0Data structuresEncoding fern-protocol-boltEmpty crate, used only to reserve the name.1,617Apache-2.0Data structuresEncoding fern-protocol-dgraphEmpty crate, used only to reserve the name.1,631Apache-2.0Data structuresEncoding fern-protocol-druidsqlEmpty crate, used only to reserve the name.1,591Apache-2.0Data structuresEncoding fern-protocol-dynamodbEmpty crate, used only to reserve the name.1,596Apache-2.0Data structuresEncoding fern-protocol-firestoreEmpty crate, used only to reserve the name.1,660Apache-2.0Data structuresEncoding fern-protocol-foundationdbEmpty crate, used only to reserve the name.1,614Apache-2.0Data structuresEncoding fern-protocol-graphqlEmpty crate, used only to reserve the name.1,675Apache-2.0Data structuresEncoding fern-protocol-memcachedEmpty crate, used only to reserve the name.1,641Apache-2.0Data structuresEncoding fern-protocol-mongodbEmpty crate, used only to reserve the name.1,585Apache-2.0Data structuresEncoding fern-protocol-mysqlEmpty crate, used only to reserve the name.1,615Apache-2.0Data structuresEncoding fern-protocol-ngqlEmpty crate, used only to reserve the name.1,615Apache-2.0Data structuresEncoding fern-protocol-postgresqlPostgreSQL wire protocol implementation as needed by Fern proxy.9,821Apache-2.0Data structuresEncoding fern-protocol-redisEmpty crate, used only to reserve the name.1,600Apache-2.0Data structuresEncoding fern-protocol-reqlEmpty crate, used only to reserve the name.1,597Apache-2.0Data structuresEncoding fern-protocol-s3Empty crate, used only to reserve the name.1,651Apache-2.0Data structuresEncoding fern-protocol-snowflakeEmpty crate, used only to reserve the name.1,634Apache-2.0Data structuresEncoding fern-protocol-trinoEmpty crate, used only to reserve the name.1,650Apache-2.0Data structuresEncoding fern-proxyCloud Native high performance security and privacy SQL proxy.1,608Apache-2.0Network programming fern-proxy-interfacesInterfaces definitions used by Fern proxy components.10,409Apache-2.0 fern-recipesPlaceholder crate. When prepared, will be ready to use logging recipes for fern.2,182MITCommand-line interfaceDevelopment tools::Debugging fern-runA command runner. Its gives different parts of your mono-repo a unified interface to run certain tasks.3,082MITCommand-line interfaceCommand line utilities fern-simFern simulation, from the cellular level up.1,768MIT fern-telemetryEmpty crate, used only to reserve the name.1,614Apache-2.0Data structuresDevelopment tools::Profiling fern-tokenizationEmpty crate, used only to reserve the name.1,670Apache-2.0CryptographyData structures fern-vmThe fern bytecode runtime930non-standard fern_coloredSimple, efficient logging (with true color support)8,608MITDevelopment tools::Debugging fern_macrosDeprecated crate which used to accompany the `fern` (`fern` has been independent since version 0.2).16,530MIT fern_sim_caoxin测试1,300MIT fern_sim_eojinFern simulation, from the cellular level up.1,597MIT fern_sim_testSample package from Programming Rust 2nd Edition1,725MIT fernetAn implementation of fernet in Rust.1,107,841MPL-2.0 fernfsA Rust NFS Server implementation276BSD-3-Clause fernglasBGP & BMP looking glass4,089EUPL-1.2 fernlink-coreCore cryptographic primitives and protocol implementation for the Fernlink mesh verification network88Apache-2.0CryptographyNetwork programming ferntreeConcurrent in-memory B+ Tree featuring optimistic lock coupling14,354MIT OR Apache-2.0ConcurrencyData structures fernwehA tiny, flexible helper for chunk-based procedural generation in Bevy.27MIT OR Apache-2.0Game development fernwright-mcpAn open-source browser automation MCP server that controls your real browser tabs through a local extension25MIT OR Apache-2.0 ferobotA fully-featured, auto-generated Telegram Bot API library for Rust. All 285 types and 165 methods - strongly typed, fully async.142MITAPI bindingsAsynchronous ferogramProduction-grade async Telegram MTProto client: updates, bots, flood-wait, dialogs, messages1,142MIT OR Apache-2.0API bindingsAsynchronous ferogram-connectRaw TCP connection, MTProto framing and transport for ferogram1,007MIT OR Apache-2.0 ferogram-cryptoCryptographic primitives for Telegram MTProto: AES-IGE, RSA, SHA-1/256, auth key derivation1,452MIT OR Apache-2.0API bindingsCryptography ferogram-deriveProcedural macros for ferogram - #[derive(FsmState)]338MIT OR Apache-2.0API bindings ferogram-e2eTelegram Secret Chat end-to-end encryption implementation for Ferogram20MIT OR Apache-2.0CryptographyNetwork programming ferogram-fsmFSM state management for ferogram bots734MIT OR Apache-2.0 ferogram-macrosFerogram-macros is a Rust library providing procedural macros for the Ferogram framework. These macros simplify the creation and…956MIT OR Apache-2.0 ferogram-mtprotoMTProto 2.0 session management, message framing, DH key exchange and transport abstractions1,386MIT OR Apache-2.0API bindingsNetwork programming ferogram-mtsenderMTProto sender pool and retry policy for ferogram950MIT OR Apache-2.0 ferogram-parsersTelegram HTML and Markdown entity parsers for ferogram1,157MIT OR Apache-2.0API bindingsText processing ferogram-pyPython bindings for the Ferogram MTProto framework21MIT OR Apache-2.0API bindingsNetwork programming ferogram-sessionSession persistence types and storage backends for ferogram1,267MIT OR Apache-2.0API bindingsData structures ferogram-tl-genBuild-time code generator: Telegram TL schema → Rust source1,633MIT OR Apache-2.0Development toolsDevelopment tools::Build Utils ferogram-tl-parserParser for Telegram's Type Language (.tl) schema files1,716MIT OR Apache-2.0Development toolsParser implementations ferogram-tl-typesAuto-generated Telegram TL types: constructors, functions, enums1,573MIT OR Apache-2.0API bindingsEncoding feroxFerox is a ray-tracing renderer written in Rust.8,806CC0-1.0 ferox-pgBlazing-fast lightweight PostgreSQL client built in Rust21MITDatabase interfacesGUI feroxbusterA fast, simple, recursive content discovery tool.135,991MITCommand line utilities feroxfuzzStructure-aware, black box HTTP fuzzing library17,352Apache-2.0Development tools::Testing feroxideA basic chemistry simulator13,519non-standardCommand-line interfaceScience feroxide-guiA basic chemistry simulator (GUI)2,051non-standardGUIScience ferraPlaceholder/redirect crate for Ferra. The real binaries are ferra-server (HTTP + SSE configuration server) and ferra-agent…20MITConfiguration ferra-agentSidecar agent for Ferra: holds an in-memory cache + SSE watch and exposes a localhost HTTP API to nearby service containers20MITCommand line utilitiesConfiguration ferra-anvilCLI tooling for the Ferra API framework — scaffolding, migrations, and dev server. Coming soon.19MIT OR Apache-2.0Command line utilitiesWeb programming ferra-authAuthentication providers for the Ferra API framework — JWT Bearer, JWKS, API keys, and composite strategies. Coming soon.20MIT OR Apache-2.0AuthenticationWeb programming ferra-coreCore traits and types for the Ferra API framework — zero I/O, the stable contract layer. Coming soon.19MIT OR Apache-2.0Web programmingWeb programming::HTTP server ferra-dbSQLx query builder and FromRow derivation for the Ferra API framework — parameterized SQL by construction. Coming soon.20MIT OR Apache-2.0Database interfacesWeb programming ferra-forgeThe #[model] proc-macro for the Ferra API framework — transforms Rust structs into routes, SQL, and OpenAPI schemas. Coming soon.21MIT OR Apache-2.0Development tools::Procedural macro helpersWeb programming ferra-httpAxum-based HTTP handlers, router, and HAL hypermedia responses for the Ferra API framework. Coming soon.19MIT OR Apache-2.0Web programmingWeb programming::HTTP server ferra-openapiOpenAPI 3.1 spec generation and Scalar interactive docs for the Ferra API framework — derived from #[model]. Coming soon.19MIT OR Apache-2.0Web programmingWeb programming::HTTP server ferra-rsModel-driven API framework for Rust — derive routes, SQL, OpenAPI, and hypermedia from a single #[model]. Coming soon.19MIT OR Apache-2.0Web programmingWeb programming::HTTP server ferra-serverHTTP + SSE configuration server for Ferra, a lightweight Postgres-backed configuration center130MITConfigurationDatabase interfaces ferragentA type-safe, composable framework for building AI agents in Rust.17MIT ferralloyFerralloy CLI — build, sign, verify, and deploy verified-behavior packs12MIT OR Apache-2.0 ferralloy-agentferralloyd — the Ferralloy device agent: discover, deploy, verify behavior, run21MIT OR Apache-2.0 ferralloy-bridgeWire-protocol codecs + target registry for the sim-to-real hardware bridge20MIT OR Apache-2.0Embedded developmentEncoding ferralloy-fleetferralloy-fleet — the open, self-hostable fleet plane: channels, signed releases, device reports21MIT OR Apache-2.0 ferralloy-packThe signed, verified-behavior artifact format for physical-AI fleets22MIT OR Apache-2.0CryptographyEmbedded development ferralloy-runtimeSandboxed wasi-cmd execution + verified-behavior eval for ferralloy packs18MIT OR Apache-2.0 ferramentumEndothermic fusion is the way for supernovae to have their day.1,525MIT ferranetA modern, async-first, zero-copy datalink-layer (L2) networking library40MIT OR Apache-2.0Network programmingOperating systems::Linux APIs ferrantA lightweight, multi-provider AI agent framework in pure Rust (Agno-style).64non-standard ferrateA Rust Math Library2,663non-standard ferraxAn opinionated, batteries-included framework for APIs and server-rendered views in Rust, built on top of Axum.259MIT ferrayA NumPy-equivalent library for Rust — N-dimensional arrays with SIMD acceleration929MIT OR Apache-2.0MathematicsScience ferray-autodiffForward-mode automatic differentiation for ferray397MIT OR Apache-2.0MathematicsScience ferray-coreN-dimensional array type and foundational primitives for ferray4,929MIT OR Apache-2.0MathematicsScience ferray-core-macrosProcedural macros for ferray-core (FerrayRecord, s![], promoted_type!)5,001MIT OR Apache-2.0MathematicsScience ferray-fftFFT operations (fft, ifft, rfft, fftfreq, plan caching) for ferray2,432MIT OR Apache-2.0MathematicsScience ferray-ioNumPy-compatible file I/O (.npy, .npz, memory-mapped) for ferray818MIT OR Apache-2.0MathematicsScience ferray-linalgLinear algebra operations (decompositions, solvers, einsum) for ferray3,699MIT OR Apache-2.0MathematicsScience ferray-maMasked arrays with mask propagation for ferray2,464MIT OR Apache-2.0MathematicsScience ferray-numpy-interopPython/NumPy interop via PyO3 and Arrow/Polars for ferray825MIT OR Apache-2.0MathematicsScience ferray-polynomialPolynomial operations (evaluation, fitting, roots, arithmetic) for ferray424MIT OR Apache-2.0MathematicsScience ferray-randomRandom number generation and distributions for ferray3,282MIT OR Apache-2.0MathematicsScience ferray-statsStatistical functions, reductions, sorting, and histograms for ferray1,134MIT OR Apache-2.0MathematicsScience ferray-stride-tricksStride manipulation (as_strided, sliding_window_view) for ferray2,371MIT OR Apache-2.0MathematicsScience ferray-stringsString operations on character arrays for ferray736MIT OR Apache-2.0MathematicsScience ferray-ufuncUniversal functions and SIMD-accelerated elementwise operations for ferray4,123MIT OR Apache-2.0MathematicsScience ferray-windowWindow functions, vectorize, piecewise, and apply_along_axis for ferray2,452MIT OR Apache-2.0MathematicsScience ferreiroA Django-inspired web framework for Rust, built on hexagonal architecture28Apache-2.0Web programming::HTTP server ferreiro_adapters_adminAdmin interface for Ferreiro - auto-generated CRUD and model introspection128Apache-2.0 ferreiro_adapters_dbDatabase adapters for Ferreiro - in-memory, PostgreSQL, and SQLite implementations220Apache-2.0 ferreiro_adapters_httpHTTP adapters for Ferreiro - Axum-based web server and routing128Apache-2.0 ferreiro_adapters_sessionSession management adapters for Ferreiro - cookie, memory, and database sessions223Apache-2.0 ferreiro_adapters_templatesTemplate engine adapters for Ferreiro - Tera and MiniJinja support222Apache-2.0