All 305,250 crates, alphabetically

flamea profiling / flamegraph library290,898MIT/Apache-2.0 flame-clusteringFuzzy clustering by Local Approximation of MEmberships (FLAME)4,983BSD-3-ClauseAlgorithms flame-rsThe Rust SDK of Flame1,556non-standard flame-rs-macrosProc macros for the Flame Rust SDK54non-standard flame-warA flame graph generator for Reddit threads. See the depths that a flame-war can go2,829MIT flamegraphA simple cargo subcommand for generating flamegraphs, using inferno under the hood932,259MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins flamelensFlamegraph viewer in the terminal6,928MIT flamera procedural macro to insert `flame::start_guard(_)` calls190,183Apache-2.0 flamescopeExport flame data to speedscopes profile format68,161MIT flameshot-rsEasily integrate flameshot in your project, optionally using the image crate features.6,291GPL-3.0-only flamethrowerDeterministic cognition ledger using power_house (and optional pent_house).211MITCryptography flamewire-bittensor-indexerRust Flamewire Indexer for Bittensor1,663Apache-2.0 flamingoAn ALM compiler for reactive systems.1,741MIT flamingosPlaceholder for the Flamingos project685MIT/Apache-2.0 flamme-rougea place to test out flamme rouge strategies1,878MIT flammkuchenSome data structures for fun and flammkuchen (e.g. a 2d grid which permits negative indices)1,623MIT OR Apache-2.0Data structures flanSimple static file server19MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP server flandresfltk widgets adapted for Android6,685MITGUI flangeExperimental ECS-based language.1,957MIT/Apache-2.0 flange-flat-treeA tree that can be expanded by attaching new values to the node without mutability of the old ones11,133MIT flankerµ-libraries for Rust.7,313MIT flanker-assert-floatAssertions for floating-point numbers.6,311MIT flanker-assert-strAssertions for strings.4,629MIT flanker-tempHelper for working with temporary files.9,191MIT flannBindings for the FLANN library9,559MIT flann-sysFFI bindings for the FLANN library7,507MIT flantermBindings to flanterm terminal2,034Apache-2.0 flanterm_bindingsflanterm bindings16,609non-standard flantermbindingsflanterm bindings766non-standard flaprust implementation of Functional Layer Application Paradigm4,684MPL-2.0+ flapigenTool for connecting libraries written in Rust with other languages182,027BSD-3-Clause flappya rust version of a game that is definetly not flappy bird using the piston engine8,374MIT flappy-tuiA Flappy Bird clone that runs in your terminal, with pixel graphics and sound61MIT OR Apache-2.0Command line utilitiesGames flappyspaceA small game about a little UFO dodging asteroids built in Bevy1,188GPL-3.0Games flaqA simple CLI tool for modifying and querying metadata tags for `.flac` files.5,146MIT flarchCommon implementations for libc and wasm186,306MIT OR Apache-2.0 flarch_macroArch-dependant macros1,372MIT OR Apache-2.0 flareA lightweight library to perform basic astronomical calculations, inspired by Python's Astropy syntax.4,745MIT flare-cliCLI to run/interact with flare-dht.3,885Apache-2.0 flare-coreA high-performance, reliable long-connection communication toolkit for Rust, supporting WebSocket and QUIC protocols with…2,054MITAsynchronousNetwork programming flare-core-baseShared server primitives for Flare services: context, errors, configuration, IDs, and common types.130Apache-2.0 flare-core-infraInfrastructure adapters for Flare server applications: KV, auth, metrics, and telemetry.89Apache-2.0 flare-core-messagingEvent bus and MQ primitives for Flare server applications, including NATS and Kafka support.80Apache-2.0 flare-core-runtimeService runtime, task orchestration, health, shutdown, plugin, and state tracking primitives.105Apache-2.0 flare-core-transportHTTP, gRPC, service discovery, and transport middleware primitives for Flare server applications.77Apache-2.0 flare-dhtThe library to create distributed data management. (Not ready to be used in production.)18,520Apache-2.0 flare-grpc-protoFlare IM gRPC 服务 proto 生成（tonic client/server + 消息），依赖 flare-proto 基础类型101MIT flare-im-coreA high performance instant messaging core library for Flare framework1,451MITNetwork programming flare-im-core-sdkFlare IM Client SDK - Event-stream driven cross-platform IM client library88Apache-2.0 flare-im-core-sdk-bindings-runtimeContract-driven shared binding runtime for Flare IM Core SDK71Apache-2.0 flare-im-core-sdk-ffiFlare IM Core SDK - C FFI Bindings40Apache-2.0 flare-im-core-sdk-storage-indexeddbFlare IM Core SDK - browser IndexedDB-backed WASM storage adapter44Apache-2.0 flare-im-core-sdk-storage-sqliteFlare IM Core SDK - SQLite 连接与运行时（pool + schema 注册69Apache-2.0 flare-im-core-sdk-tauriFlare IM Core SDK - Tauri Plugin35Apache-2.0 flare-im-core-sdk-wasmFlare IM Core SDK WebAssembly binding35Apache-2.0 flare-pbThe protobuf data types for flare-dht17,920Apache-2.0 flare-protoFlare IM gRPC Protocol Definitions - Shared protocol definitions for both client and server143MIT flare-server-coreServer-side infrastructure toolkit for Flare IM services: runtime, transport, messaging, auth, telemetry, and context propagation.58Apache-2.0 flare-zrpcThe RPC library on top of Zenoh with support for serialization library of choice.11,836Apache-2.0 flaredAlways-on cross-platform supervisor for AI-agent workload hygiene.13MIT flaredbApache Beam native streaming database19Apache-2.0 flaregunTracing and monitoring tools for Linux18,905LGPL-2.1 OR BSD-2-ClauseAsynchronousCommand-line interface flareioExperimental and incomplete client for Flare's API441Apache-2.0 flarellmA WASM-first LLM inference engine with WebGPU acceleration19MIT OR Apache-2.0ScienceWebAssembly flarelogflarelog is an ergonomic logging library for Rust with a focus on simplicity and speed.15,901MIT flaremail-rsRust SDK for Cloudflare Email Service108MITAPI bindingsEmail flareonModern web framework focused on speed and ease of use.1,391MIT OR Apache-2.0 flarerRust client and CLI for Cloudflare's Browser Rendering REST API (content, screenshot, PDF, snapshot, markdown, scrape, JSON…13MIT OR Apache-2.0API bindingsCommand line utilities flaresolverr-rsCloudflare bypass library and FlareSolverr-compatible HTTP proxy314MITWeb programmingWeb programming::HTTP client flarieFramework for running on cloudflare workers1,665MIT flarie_macrosproc macros for Flarie1,662MIT flarmnetFlarmNet file decoder/encoder12,499MIT/Apache-2.0 flaron-sdkOfficial Rust SDK for writing Flaron edge flares - WebAssembly modules that run on the Flaron CDN edge runtime.52MITAPI bindingsWebAssembly flarrow-apiflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.5,687Apache-2.0 flarrow-api-deriveflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.5,788Apache-2.0 flarrow-builtinsflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.4,480Apache-2.0 flarrow-file-extflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,597Apache-2.0 flarrow-file-ext-deriveflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,254Apache-2.0 flarrow-flowsflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,399Apache-2.0 flarrow-layoutflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.5,814Apache-2.0 flarrow-messageflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.5,836Apache-2.0 flarrow-message-deriveflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.5,993Apache-2.0 flarrow-runtimeflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.3,972Apache-2.0 flarrow-runtime-coreflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,811Apache-2.0 flarrow-runtime-planflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.687Apache-2.0 flarrow-urlflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.3,183Apache-2.0 flarrow-url-defaultflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.2,954Apache-2.0 flarrow-url-schemeflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,412Apache-2.0 flarrow-url-scheme-deriveflarrow (flow + arrow) is a rust runtime/framework for building dataflow applications.1,064Apache-2.0 flarumdownFlarum down - read Markdown!108MITCommand line utilitiesParsing tools flaryA CLI for managing Domains and DNS records on cloudflare.3,159MIT OR Apache-2.0Command-line interface flashShell parser, formatter, and interpreter with Bash support3,256GPL-3.0-or-later flash-algorithmA crate to write CMSIS-DAP flash algorithms for flashing embedded targets.12,951MIT OR Apache-2.0 flash-attention-cpuPure-Rust, CPU-optimized Flash Attention: tiled online-softmax, AVX-512/AVX2/NEON/WASM-SIMD128 with scalar fallback, Rayon…18MIT OR Apache-2.0AlgorithmsScience flash-cliCommand-line interface for the FLASH read merging algorithm293MITCommand line utilitiesScience flash-clientA TUI application for studying with flash cards.1,551MIT flash-embedded-halA set of experimental traits for NVM/Flash access7,8050BSDEmbedded developmentHardware support flash-evalexprA powerful arithmetic and boolean expression evaluator34AGPL-3.0-onlyGame enginesParsing tools flash-fontCache fonts in sqlite127MIT OR Apache-2.0 flash-font-assA command-line tool for loading ASS subtitle fonts.82MIT OR Apache-2.0 flash-font-injectorA font loading library.203MIT OR Apache-2.0 flash-fuzzy-coreHigh-performance fuzzy search using Bitap algorithm with bloom filter pre-filtering. Zero dependencies, no_std compatible.29MITAlgorithmsNo standard library flash-kvA simple k/v store API inspired by bitcask648MIT flash-lcr-p1Flash firmware to the Fnirsi LCR-P1 LCR meter over USB serial (CH340/CH341)33MIT OR Apache-2.0Command line utilities flash-libRust port of the FLASH read merging algorithm466MITAlgorithmsScience flash-lsoFast and safe SOL/AMF0/AMF3 parsing. Supports serde, Adobe flex and cyclic references10,871MITData structuresEncoding flash-mapGPU-native concurrent hash map with bulk-only API. Robin Hood hashing, SoA layout, CUDA kernels. Designed for blockchain state,…2,677MIT OR Apache-2.0ConcurrencyData structures flash-mockstreama mockstream for testing3,419MIT flash-rerank-benchmarksBenchmark suite for Flash-Rerank109AGPL-3.0-or-later flash-rerank-cliCLI for Flash-Rerank — compile, benchmark, serve, and download models53AGPL-3.0-or-later flash-rerank-serverHTTP server for Flash-Rerank inference110AGPL-3.0-or-later flash-watcherA blazingly fast file watcher that executes commands when files change1,590MITCommand line utilitiesDevelopment tools flash_loan_receiverGemachain Program Library Token1,645Apache-2.0 flash_rerankCore reranking engine — cross-encoder and ColBERT inference via ONNX Runtime435AGPL-3.0-or-laterAlgorithmsScience flash_rowanBiome's custom Rowan definition (forked from biome_rowan)0MIT OR Apache-2.0 flash_rust_wsGeneral purpose Webserver with TLS, File, FCGI, DAV and Websocket support9,793AGPL-3.0 flash_sdkCross-platform SDK1,572Apache-2.0 flash_text_editUtilities to edit text (forked from biome_text_edit)0MIT OR Apache-2.0 flash_text_sizeUtilities to treat text sizes/ranges in a more type-safe manner (forked from biome_text_size)0MIT OR Apache-2.0 flash_tmuxA tmux plugin inspired by folke/flash.nvim and Kristijan/flash-copy.tmux to quickly copy text from your tmux pane.320MITCommand line utilities flashapiA lightweight webserver.1,905MITWeb programmingWeb programming::HTTP server flashbackAdobe Flash / SWF preservation tools.1,911MIT/Apache-2.0 flashbangA Rust crate for the STUN/TURN protocol.1,497MIT OR Apache-2.0 flashbotsA Flashbots API client for Rust1,647MIT OR Apache-2.0 flashbots-rsA Flashbots API client for Rust1,575MIT OR Apache-2.0 flashbots-sdkA Rust SDK for interacting with the Flashbots relay, providing functionality for building, signing, sending, and monitoring…65GPL-3.0 flashcardsFlashcards is a powerful application for memorization cards management.2,875MIT OR Apache-2.0 flashcards-rsA terminal-based flashcard app written in Rust using ratatui.561MITCommand line utilities FlashCardsForWiednerIt's a flashcard quiz taker. Takes in a .txt48AFL-3.0 flashcargoA zero-config wrapper that forces cargo build and cargo install to execute inside Linux shared memory (/dev/shm).31MIT flashcronA lightning-fast, ultra-efficient cron daemon written in Rust - Schedule tasks at the speed of light44MITCommand line utilitiesDevelopment tools flashdbA simple key-value store in Rust1,015MITData structuresDatabase interfaces flashdb-rsA safe, high-performance Rust binding for FlashDB, an ultra-lightweight database for embedded products. Provides KVDB and TSDB…232Apache-2.0Database interfacesEmbedded development flashedA flashcard TUI18,448GPL-3.0Command line utilitiesGames flasherFlash firmware onto Teensy 4.x microcontrollers via HalfKay bootloader43MIT flashkickWrapper for GNU Guile Scheme.2,665LGPL-3.0-only flashkraftFlashKraft — OS image writer desktop application (Iced GUI)2,686MITCommand line utilitiesFilesystem flashkraft-coreShared core logic for FlashKraft — domain models, flash pipeline, drive detection928MITCommand line utilitiesFilesystem flashkraft-tuiFlashKraft — OS image writer terminal application (Ratatui TUI)552MITCommand line utilitiesFilesystem flashkvA high-performance, in-memory Key-Value database built in Rust42MITCachingData structures flashlightneural network library3,414MIT OR Apache-2.0 flashlight_tensorgpu/cpu tensor library focused around matrix and neural network operations8,074MIT OR Apache-2.0 flashloan-rsMinimal Multicall3 Flashloan Module8,068MIT flashlogA fast logging library for Rust16,161MIT OR Apache-2.0 flashmapA lock-free eventually consistent concurrent hash map.37,955MITConcurrencyData structures flashnetFlashnet15MIT OR Apache-2.0 flashpoint-archiveLibrary to access Flashpoint Archive's database and misc related functions46,371MIT flashqHigh-performance Rust client for flashQ job queue22MITAsynchronousNetwork programming flashsieveStorage-level pre-filtering for pattern matching — skip blocks that can't contain matches58,730MITAlgorithmsData structures flashtextRust implementation of flashtext algorithm to search and replace keywords in given text42,832MITData structures flashtext2The FlashText algorithm implemented in Rust10,233GPL-3.0-only flashthingtool for flashing your Spotify Car Thing2,127MIT flashthing-clicli for flashthing1,546MIT flashxtremeReserved for FlashXtreme388Apache-2.0 flashyA TUI to write and use flashcards2,295non-standard flashy64CLI tool for interfacing with N64 flashcarts.1,491MITCommand line utilitiesDevelopment tools flashy64-backendSupport library for interfacing with N64 flashcarts.2,109MITCommand line utilitiesDevelopment tools flaskcreate http Request/Response objects from a raw TcpStream14,016MITNetwork programmingWeb programming flaskritolflaskritol1,667MIT flaskyCreate boilerplate code for a new flask app7,296MITCommand-line interface flatProject multi-dimensional data onto the **flat** textual plane.11,644MIT OR Apache-2.0Visualization flat-bytesA simple serialization format which converts enums and structs from and to bytes4,835Apache-2.0 flat-bytes-deriveDerive macro for flat-bytes5,611Apache-2.0 flat-cliFlatten codebases into AI-friendly format27MITCommand line utilitiesDevelopment tools flat-dropWrapper that drops recursive objects iteratively to avoid stack overflows.1,739MIT OR Apache-2.0Memory managementRust patterns flat-jsonTurn every JSON document into a flat, greppable list of items2,426MIT flat-knnSimple and efficient SIMD-accelerated library for k-nearest neighbors search.84MIT flat-multimapA multimap and multiset implementation using a flattened hash table3,207MIT OR Apache-2.0Data structures flat-rsFlat codec61,031Apache-2.0 flat-tokenImplements flat tokens produced from token streams through a "flatten" operation. Useful for proc macros that use token trees.3,223MIT/Apache-2.0 flat-treeSeries of functions to map a binary tree to a list67,401MIT OR Apache-2.0 flat-vebFast implementation of vEB trees without internal allocation.3,794MIT flat-zipAn iterator adaptor to help traverse two-level collections1,527MIT OR Apache-2.0 flat_bit_set有序、稀疏、节省空间的 bitset，适用于小数据量1,021MIT OR Apache-2.0Data structures flat_collectionsLightweight and memory-efficient associative data structures.2,197Apache-2.0 flat_commandsbevy ecs extension traits5,268MIT OR Apache-2.0Game development flat_dbFlat file database7,910AGPL-3.0-only flat_device_treeA pure-Rust `#![no_std]` crate for parsing Flattened Devicetrees13,522MPL-2.0Embedded developmentNo standard library flat_enumExpand nested enum into flattened enum2,586MITData structures flat_enum_macroExpand nested enum into flattened enum2,938MITData structures flat_errorSimple Error wrapper to ensure Clone, Debug, and PartialEq.1,346MIT/Apache-2.0 flat_iterPolyfill for https://github.com/rust-lang/rust/issues/148441 for stable-only code.36MIT flat_mapA compact map stored as a vector of key, value pairs.325,399Apache-2.0 flat_matrixa crate that adds flat matrices2,615MIT flat_messageZero-copy, schema-less serialization and deserialization fast library for Rust.5,593MITEncoding flat_message_proc_macroProcedural macros for the FlatMessage serialization library.5,823MITDevelopment tools::Procedural macro helpers flat_projectionFast geodesic distance approximations via flat surface projection.29,811MIT flat_rbtreeA flat, index-based Red-Black Tree with no heap allocations. Ideal for performance-critical or memory-constrained environments.4,589MITData structuresEmbedded development flat_spatialFlat spatial partitionning algorithms and data structures30,568MITAlgorithmsData structures flat_stringFlatString is a fixed-size String that can be created directly on the stack.6,204MITData structuresNo standard library flat_vecflat_vec provides a macro to flatten nested Vecs. Particularly useful when you want to write a rules of egg which contains rules…3,135MIT flatarchiveA archive utility (à la tar) in rust2,004GPL-3.0 flatarrayImplementation of a flattened iterator, that acts as if it still was an iterator of iterator6,903MIT flatarrowArrow schema DSL with codegen and simple wire format102MITDevelopment tools::Procedural macro helpersEncoding flatbedRust HTTP framework with FlatBuffer codegen, built on Hyper869MIT OR Apache-2.0Network programmingWeb programming::HTTP server flatbed_buildBuild-time FlatBuffer codegen and the flatbed CLI tool886MIT OR Apache-2.0Command line utilitiesDevelopment tools::Build Utils flatbed_macrosProcedural macros for the flatbed HTTP framework885MIT OR Apache-2.0Network programmingWeb programming::HTTP server flatboatFlatboat is a CLI tool that integrates Docker and Kubernetes tooling into the ROS workspace workflow.9,969Apache-2.0 flatboxRust ECS game engine with editor written in C#1,872UnlicenseGame enginesRendering flatbox_assetsProvides assets management functionality for Flatbox engine2,896UnlicenseGame enginesRendering