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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.

rewrit-coreParity engine for validating observable behavior during rewrites.19MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rewrit-macrosProc macros for the Rewrit Rust SDK.20MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rewrit-modelParity engine for validating observable behavior during rewrites.48MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rewrit-protocolParity engine for validating observable behavior during rewrites.19MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rewrit-reportParity engine for validating observable behavior during rewrites.19MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rewriteSafely rewrite file contents from stdin, even when file is open as an input.5,515MITCommand line utilitiesOperating systems rewrite-impl-traitRewrites impl Trait as method generics5,417MITRust patterns rewriterRust utilities for rewriting files325,868MIT OR Apache-2.0 rewrkA simple HTTP benchmarking tool2,508MIT rewrk-coreHTTP benchmarking as a library made simple.5,339MITAsynchronousConcurrency rewsA binary client for Usenet.11,599GPL-3.0-or-later rexRex: A strongly-typed, pure, implicitly parallel functional programming language3,446MIT rex-appCore functionality for Rex1,341MIT rex-astRex: A strongly-typed, pure, implicitly parallel functional programming language286MIT rex-cedar-authCedar-based authorization engine for REX trusted remote execution1,800Apache-2.0 rex-cliCLI for Rust project harness management825MITCommand line utilitiesDevelopment tools rex-dbRex database models using diesel1,475MIT rex-engineRex: A strongly-typed, pure, implicitly parallel functional programming language186MIT rex-fmA fast terminal file manager with undo, search, and multi-select234MITCommand line utilities rex-lexerRex: A strongly-typed, pure, implicitly parallel functional programming language99MIT rex-loggerStructured logging with tracing and in-memory log capture for REX1,823Apache-2.0 rex-lspRex: A strongly-typed, pure, implicitly parallel functional programming language98MIT rex-machinaThe King Machine2,354MIT rex-mdbookRex: A strongly-typed, pure, implicitly parallel functional programming language52MIT rex-metrics-and-alarmsMetrics collection and alarm management for REX98Apache-2.0 rex-parserRex: A strongly-typed, pure, implicitly parallel functional programming language248MIT rex-policy-schemaCedar policy schema definitions for REX authorization1,523Apache-2.0 rex-proc-macroRex: A strongly-typed, pure, implicitly parallel functional programming language144MIT rex-redactionSensitive data redaction utilities for REX369Apache-2.0 rex-regexA pedestrian library for regular expressions: Slow, but easy to understand6,453MIT rex-regextractextracts key value pairs out of text2,944MIT OR Apache-2.0Command line utilitiesText processing rex-runnerREX trusted remote execution runner — executes policy-authorized Rhai scripts43Apache-2.0 rex-runner-registrarRhai script engine registrar for REX runner with Cedar-based authorization68Apache-2.0 rex-runner-registrar-utilsBuild-time and runtime utilities for REX runner registrar crates315Apache-2.0 rex-sdkSDK for Ethereum and ethrex L2 development: accounts, transactions, signing, and RPC clients136MIT rex-sdk-registrySDK module registry for REX Rhai script engine100Apache-2.0 rex-sharedShared code for Rex1,211MIT rex-smHierarchical state machine28,471MIT rex-test-utilsShared test utilities and fixtures for REX crates16Apache-2.0 rex-tuiA TUI app for managing Incomes and Expenses17,900MITCommand line utilities rex-typesystemRex: A strongly-typed, pure, implicitly parallel functional programming language224MIT rex-ucphThis is a library for the ARLO robots in use in the REX course at UCPH6,316ISC rex-utilRex: A strongly-typed, pure, implicitly parallel functional programming language287MIT rex-wasmRex: A strongly-typed, pure, implicitly parallel functional programming language56MIT rex11A rust implementation of the x11 protocol1,197MIT OR Apache-2.0API bindingsGraphics rex_coreCore types and configuration for the Rex framework370MIT rex_imageImage optimization and processing for the Rex framework200MIT rex_routerFile-system router with trie-based matching for the Rex framework203MIT rex_v8V8 isolate pool and SSR engine for the Rex framework175MIT rexcliReplix admin CLI tool61,566MIT OR Apache-2.0 rexdnaRegular Expressions optimized for DNA.1,223Unlicense/MIT rexecCommand execution aggregator for AI agents: a per-user host that runs commands in fresh PTYs, serialises their output to a shared…114Apache-2.0 OR MPL-2.0Command line utilitiesDevelopment tools rexecutorA robust job processing library1,769MIT OR Apache-2.0Asynchronous rexecutor-sqlxA robust job processing library1,465MIT OR Apache-2.0Asynchronous rexerAsync I/O multiplexing library for rust3,873non-standard rexgenA fast CLI to generate text that matches regex-like patterns.289MIT rexieRexie is an easy-to-use, futures based wrapper around IndexedDB that compiles to webassembly461,964MIT/Apache-2.0AsynchronousDatabase interfaces rexifRExif is a native Rust crate, written to extract EXIF data from JPEG and TIFF images.9,510,082MITMultimedia::ImagesParser implementations rexiftoolPretty-print EXIF and video/audio track metadata for image/video/audio files. Companion CLI to the nom-exif library.112MITCommand line utilitiesMultimedia rexifytrait based matcher alternative to Regex669MITText processing rexileA blazing-fast regex engine with 22x faster compilation and optimized case-insensitive matching7,506MIT OR Apache-2.0AlgorithmsParsing tools rexisRexis - Agentic AI Framework for Rust with memory-first agents, RAG, and graph orchestration39MITAPI bindingsScience rexis-graphRexis Graph - Graph-based agent orchestration with hybrid state management and memory integration168MITAlgorithmsData structures rexis-llmRexis LLM - Multi-provider LLM client with streaming, tool calling, and JSON schema support293MITAPI bindingsNetwork programming rexis-macrosProcedural macros for Rexis LLM tool calling425MIT rexis-ragRexis RAG - High-performance Retrieval-Augmented Generation framework with memory-first agents, vector search, and LLM integration301MITAPI bindingsAsynchronous rexitExport your Reddit Chats10,170GPL-3.0 rexiv2This library provides a Rust wrapper around the gexiv2 library, which is a GObject-based wrapper around the Exiv2 library, which…109,621GPL-3.0-or-laterMultimedia::Images rexlCommon Library for Rust6,924Apache-2.0AlgorithmsData structures rexl_macrosprocedural macros for the rexl crate55Apache-2.0 rexl_mathA simple mathematics library for Rust1,647GPL-2.0-or-laterAlgorithmsMathematics rexl_matrixA simple matrix library for Rust1,622GPL-2.0-or-laterAlgorithmsMathematics rexlangRex: A strongly-typed, pure, implicitly parallel functional programming language219MIT rexlang-astRex: A strongly-typed, pure, implicitly parallel functional programming language497MIT rexlang-cliRex: A strongly-typed, pure, implicitly parallel functional programming language193MIT rexlang-coreRex: A strongly-typed, pure, implicitly parallel functional programming language340MIT rexlang-engineRex: A strongly-typed, pure, implicitly parallel functional programming language408MIT rexlang-lexerRex: A strongly-typed, pure, implicitly parallel functional programming language513MIT rexlang-lspRex: A strongly-typed, pure, implicitly parallel functional programming language234MIT rexlang-mdbookRex: A strongly-typed, pure, implicitly parallel functional programming language187MIT rexlang-parserRex: A strongly-typed, pure, implicitly parallel functional programming language474MIT rexlang-proc-macroRex: A strongly-typed, pure, implicitly parallel functional programming language376MIT rexlang-typesystemRex: A strongly-typed, pure, implicitly parallel functional programming language446MIT rexlang-utilRex: A strongly-typed, pure, implicitly parallel functional programming language513MIT rexlang-wasmRex: A strongly-typed, pure, implicitly parallel functional programming language195MIT rexmlA pure rust xml implementation, based-on event stream api.808MIT ReXORCross-platform library with CLI app for encoding and decoding files using XOR encryption212MITCommand-line interfaceCryptography rexpaintThis crate provides functionality for reading and writing .xp files of the Grid Sage Games REXPaint ASCII art editor5,081WTFPL rexpectInteract with unix processes/bash the same way as pexpect or Don libes expect does1,718,431MIT OR Apache-2.0Operating systems::Unix APIs rexplodeGenerate strings from the given regular expression2,790MIT rexplorerHandle your project files in your terminal with a simple, yet pretty UI!3,725MIT OR Apache-2.0 rexposeA reverse proxy to expose TCP and UDP services behind any NAT via a public server.517MITDevelopment toolsNetwork programming rexprRust Json Object access Runtime48,112Apache-2.0 rexrocksdbFork of rust wrapper for Facebook's RocksDB embeddable database.7,356Apache-2.0 rexsgdataScatter-Gather Data Descriptors90,008Apache-2.0 OR MITData structures rextWORK IN PROGRESS1,767MIT rext-coreCore for Rext, batteries included fullstack Rust framework778MITDevelopment toolsWeb programming rext-tuiThe Rext TUI for building Fullstack Web Apps454MITDevelopment tools rextcLike the 'tree' command, but recursively shows file number and file sizes on a per-extension basis.5,257MITCommand line utilities rextioThe core engine for Rextio framework.28MIT rexturlA simple tool to split urls in their protocol, host, port, path and query parts.11,409MITCommand line utilities rexupPolyglot runtime and tool version manager19MIT rexup-coreCore library for the rex polyglot runtime and tool version manager63MIT reyanreyan.1,538non-standard reydenxImplementation of the Reyden-X API. Reyden-X is an automated service for promoting live broadcasts on external sites with…7,542MIT OR Apache-2.0Games reyesA comprehensive computer-use CLI built on rustautogui - giving AI vision and control over your computer26MITCommand line utilitiesDevelopment tools reynaReyna1,649MIT reynolds-pipeReynolds number, laminar/turbulent regime classification, Darcy friction factor (Swamee-Jain and Colebrook) and Darcy-Weisbach…19ISC reywenA fast and simple framework for creating bots for revolt.chat35,583GPL-3.0-only reywen_httpA simple and easy to use HTTPv2 library for Rust (based on tokio/reqwest)22,383GPL-3.0-only reyzell-netlink-packet-netfilternetlink packet types for the netfilter subprotocol3,352MIT rezA convention for libraries to bundle resource files alongside binaries.64,799MIT OR Apache-2.0Development tools rez-lsp-serverA Language Server Protocol implementation for Rez package manager with intelligent code completion, validation, and navigation977Apache-2.0Development toolsText editors rez-nextNext-generation Rez package manager written in Rust19Apache-2.0Development tools rez-next-bindrez bind implementation for rez-next - bind system tools as rez packages80Apache-2.0 rez-next-buildBuild system for Rez Core574Apache-2.0Development tools rez-next-cacheIntelligent caching system for rez-next with multi-level cache and predictive preheating592Apache-2.0CachingDevelopment tools rez-next-commonCommon utilities and types for Rez Core2,077Apache-2.0Development tools rez-next-configConfiguration management for Rez package manager15Apache-2.0 rez-next-contextContext management and environment generation for Rez Core845Apache-2.0Development tools rez-next-packageAdvanced package management with complete package.py parsing and 100% Rez compatibility1,524Apache-2.0Development toolsFilesystem rez-next-package-cachePackage caching for rez-next15Apache-2.0 rez-next-package-filterPackage filtering for rez-next15Apache-2.0 rez-next-repositoryRepository scanning and caching for Rez Core1,275Apache-2.0Development tools rez-next-rexRex command language implementation for rez-next211Apache-2.0 rez-next-searchPackage search functionality for rez-next61Apache-2.0 rez-next-serialisePackage serialisation for rez-next15Apache-2.0 rez-next-solverIntelligent dependency resolution with A* heuristic algorithms and 3-5x performance improvement1,062Apache-2.0AlgorithmsData structures rez-next-suitesSuite management for Rez Next - manages collections of resolved contexts63Apache-2.0Development tools rez-next-utilUtility functions for rez-next15Apache-2.0 rez-next-versionUltra-fast version parsing and comparison with 117x performance improvement - core component of Rez-Next1,737Apache-2.0Data structuresDevelopment tools rezcraftMinecraft like game written in rust using wgpu, supporting both native and wasm2,737GPL-3.0-or-laterGame enginesGames rezidenturaa simple thread registry for use in EBR and IO1,612GPL-3.0 rezinHigh-performance audio tools - FLAC codec, LPC analysis, and WAV parsing51MITMultimedia::Audio rezin-cliUnified CLI dispatcher for the rezin audio toolkit34MIT rezin-flacA high-performance parallel FLAC audio codec79MITMultimedia::AudioParser implementations rezin-lpcLinear predictive coding (LPC) library for audio signal analysis and compression92MITAlgorithmsMultimedia::Audio rezin-playAudio playback tool37MITAlgorithmsMultimedia::Audio rezin-wavA Rust library for parsing and streaming RIFF/WAV audio files144MITMultimedia::AudioParser implementations rezipMerges ZIP/NPZ archives recompressed or aligned and stacks NPY arrays8,323MIT OR Apache-2.0Command line utilities rezisNestJS-inspired Rust backend framework for clean, modular APIs.13MIT rezis-cliCLI for the Rezis framework — project and code generators.14MIT reznezThe high accuracy NES Emulator1,355GPL-2.0-onlyEmulatorsGames rezolusHigh resolution systems performance telemetry agent5,444MIT OR Apache-2.0 rezon-cliHost your AI models and get explanations13,760MIT rezvrh_scraperBakalari scraper7,696MIT-0 rezzyLightweight and formally verified: State Res v1, v2, and v2.1 reference implementations in Rust.404MIT OR Apache-2.0 rf-agentRavenFabric — Agent binary117AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-auditRavenFabric — Structured audit logging326AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-bitkitA collection of analysis functions for reverse engineering RF protocols52MIT OR Apache-2.0AlgorithmsCommand line utilities rf-bootstrapRavenFabric — OTP enrollment flow173AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-cliRavenFabric — CLI client (rf)121AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-coreThe core library for the RuFi framework19,894Apache-2.0 rf-cryptoRavenFabric — Noise XX handshake, SecureChannel, key management394AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-detr-ortHigh-performance RF-DETR object detection inference via ONNX Runtime (TensorRT / CUDA / CPU)50GPL-3.0Computer visionScience rf-distributedDistributed abstractions for the RuFi project13,306Apache-2.0 rf-distributed-implStandard implementations for the rf-distributed crate10,156Apache-2.0 rf-executorRavenFabric — Command execution under policy control241AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-fetchHorribly written fetch4,030non-standardCommand line utilities rf-ingressRavenFabric — HTTP ingress gateway with reverse-proxy and agent routing102AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-mcp-clientRavenFabric MCP client SDK — library for building MCP-aware applications102AGPL-3.0-or-laterAPI bindingsNetwork programming rf-mcp-serverRavenFabric MCP (Model Context Protocol) server — policy-controlled AI agent access149AGPL-3.0-or-later rf-policyRavenFabric — Policy loading and enforcement283AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-relayRavenFabric — Stateless encrypted relay broker170AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-rpcRavenFabric — RPC message types, multiplexer, codec298AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf-sqlfmtA fast SQL formatter and minifier58MITCommand line utilitiesDevelopment tools rf-transportRavenFabric — Transport drivers, negotiator, monitor360AGPL-3.0-or-laterCommand line utilitiesNetwork programming rf1F1 statistics1,664MIT rf24-rsA pure-rust driver for the nRF24L01 wireless transceiver4,587MITEmbedded developmentNo standard library rf24ble-rsA fake BLE implementation for the nRF24L012,823MITEmbedded developmentNo standard library rf4463A simple, no-std library for interfacing with the SI4463 transceiver IC1,538MITEmbedded developmentHardware support rf_loggerA logging implementation for `log` which can log to rotated files.1,565MITDevelopment tools::Debugging rfaA port ERFA to Rust.9,213LGPL-3.0-or-laterAerospaceScience rfangA tool to refang IOCs.7,346MITCommand line utilities rfannA pure Rust implementation of the Fast Artificial Neural Network (FANN) library453MITAlgorithmsMathematics rfastRun Rust files like scripts — instant caching, inline dependencies, zero boilerplate36MITCommand line utilitiesDevelopment tools::Build Utils rfbImplementation of the RFB protocol (RFC 6143), including a server implementation.2,559MPL-2.0 rfb-encodingsRFB (Remote Framebuffer) protocol encoding implementations for VNC2,669Apache-2.0CompressionEncoding rfb2Implementation of the RFB protocol (RFC 6143), including a server implementation.1,426MPL-2.0 rfbclientVNC client892MIT OR Apache-2.0 rfbprotoRFB protocol used by VNC1,344MIT OR Apache-2.0 rfbserverVNC server896MIT OR Apache-2.0 rfbuttonA library for decoding 433 MHz RF remote codes.4,718MIT OR Apache-2.0Hardware supportParser implementations rfcA lil helper tool to automate some of the tedium in mimicking Rust's RFC process5,773Apache-2.0 rfc-4226Implementation of IETF RFC 4226 (HOTP).3,164MIT OR Apache-2.0AlgorithmsAuthentication rfc-4648Implementation of RFC 4648.1,865MIT OR Apache-2.0AlgorithmsCompression rfc-graphHow the rfc are referencing each other34,380MITDevelopment tools rfc-managerRust RFC manager26,443Apache-2.0 rfc1700Constants defined in RFC 17008,822MIT rfc1751Implementation of the human-readable binary-to-text system RFC 17515,550MIT rfc1939Parsing RFC 1939 (i.e. POP3) data streams2,654MIT OR Apache-2.0 rfc2047A simple encoder for RFC2047 encoded words19,335MIT rfc2047-decoderRust library for decoding RFC 2047 MIME Message Headers.6,137,090MITEmailEncoding rfc2217-rsIETF RFC2217 implementation in Rust1,718MIT OR Apache-2.0 rfc2253A RFC2253 parser written in Rust Edit24,034MirOS rfc2289-otpOne Time Passwords (OTP) per IETF RFC 22892,866MITCryptographyEncoding rfc2396A library for validating strings as RFC2396-compliant URIs30,528MITParsing tools rfc2580An (enhanced) implementation of RFC 25805,363MIT OR Apache-2.0No standard library rfc3339A Portable RFC3339 Timestamp Formatter.966MPL-2.0 rfc3339-fastHigh-performance ISO8601/RFC3339 timestamp parsing and formatting for JSON, with optional SIMD acceleration.40BSD-2-ClauseDate and timeEncoding