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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.

rfc5444Implementation of the RFC 5444 standard1,667MIT/Apache-2.0 rfc5545-typesiCalendar (RFC 5545) recurrence rule and component types173MIT Date and time rfc6052Rust functions for interacting with RFC6052 IPv4-Embedded IPv6 Addresses1,941GPL-3.0 Algorithms Encoding rfc6381-codecParser and generator for codec-string values, as specified in RFC 6381, section 31,365,596MIT/Apache-2.0 Multimedia::Video Parser implementations rfc6570-level-2A library for validating and processing strings as RFC6570-compliant URIs (up to level 2)5,671MIT Parsing tools rfc6979Pure Rust implementation of RFC6979: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital…180,041,449Apache-2.0 OR MIT Cryptography No standard library rfc7239Parser for rfc7239 formatted Forwarded headers4,949,816MIT OR Apache-2.0 rfc7693A simple blake2s & blake2b implementation following RFC-76931,876MIT Algorithms rfc7807RFC7807 implementation14MIT rfc822-likeRFC822-like encoding used in control files implemented for serde48,995MITNFA Encoding Parser implementations rfc822_sanitizerrfc822/2822 sanitizer/normalizer.69,637GPL-3.0+Date and time rfc9457rfc9457 implementation13MIT rfc9839Implementation of the RFC 9839 specification6,618Apache-2.0 Text processing rfc9839-rsA rust implementation of RFC9839 to test for problematic Unicode code points981MIT OR Apache-2.0 Text processing rfc_6265Reusable, thoroughly tested primitives from RFC 6265 (HTTP State Management): grammar byte-classes, cookie-date parsing, and…321MIT Date and time Parser implementations rfc_8805Simple RFC 8805 library166MIT rfcalcA tool to calculate things11,248MIT Command line utilities Mathematics rfcalcsRadio Frequency equations and calculations3,566MIT rfcapRust library to parse and read an rfcap format file60MIT rfcfetchSmall script to fetch RFCs1,611MIT rfclibRust library for querying IETF RFCs1,633GPL-3.0 rfconversionsCommon Radio Frequency conversion equations for RF Modeling9,625MIT rfcpReplacement for cp8,216MIT/Apache-2.0 rfdRusty File Dialog22,764,172MIT rfdupsa program for find duplicate files quick and simple1,577MIT OR Apache-2.0 Command line utilities rfdxRusty File Dialog5,235MIT rfeCommunicate with RF Explorer spectrum analyzers and signal generators over USB serial16MIT OR Apache-2.0 Hardware support rfe-typesShared types for the Rust Fintech Ecosystem (RFE): newtype IDs, hashing, Decimal utilities169Apache-2.0 rfeignA declarative HTTP client for Rust, inspired by OpenFeign93MIT OR Apache-2.0 Asynchronous Web programming::HTTP client rfeign-coreCore traits and types for rfeign declarative HTTP client188MIT OR Apache-2.0 Asynchronous Web programming::HTTP client rfeign-macrosProcedural macros for rfeign declarative HTTP client138MIT OR Apache-2.0 Asynchronous Web programming::HTTP client rfeign-reqwestReqwest transport implementation for rfeign153MIT OR Apache-2.0 Asynchronous Web programming::HTTP client rfesiRust API for EVE Online's ESI65,293MIT OR Apache-2.0 API bindings rfetchFetch system and user information with no dependancies9,304MIT Command-line interface rfetch-rsMinimal POSIX-compliant system information tool - like neofetch but simpler48MIT Command line utilities rffrff is a fast, simple fuzzy text selector for the terminal.7,340MIT Command line utilities rffmpegSafe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)600WTFPL Multimedia rfgenProgram to create large file consisting of random data2,672MIT rfgrepAdvanced recursive file grep utility with comprehensive file type classification - search, list, and analyze 153+ file formats…2,519BSD-3-Clause Command line utilities Filesystem rfguiAn innovative gui framework103MIT rfgui-rsxrsx support for rfgui124MIT rfgui-segmenterCross-platform text segmentation for rfgui — wraps OS-native text services where available, falls back to Unicode rules.45MIT rfhamCombined 'prelude'-like interface for rfham.18MIT OR Apache-2.0 rfham-antennasData types to represent antennas.99MIT OR Apache-2.0 rfham-bandsData types to represent band plans.170MIT OR Apache-2.0 rfham-cliCLI for accessing RF-Ham tools.34MIT OR Apache-2.0 rfham-configShared configuration data for RF-Ham libraries and tools.99MIT OR Apache-2.0 rfham-coreCore data types for RF-Ham libraries.285MIT OR Apache-2.0 rfham-geoCore locator data type and lookup functions for location intormation.165MIT OR Apache-2.0 rfham-ituData Types representing ITU standards underlying Ham operations.222MIT OR Apache-2.0 rfham-maidenheadImplementation of Grid traits for Maidenhead locator system.106MIT OR Apache-2.0 rfham-markdownMarkdown writer (utility) for RF-Ham libraries.231MIT OR Apache-2.0 rfheadlessA headless browsing engine API for Rust67MIT OR Apache-2.0 API bindings Web programming rfiRust Foreign Interface (Rust Integration with other languages). Work in progress.3,024MIT API bindings rfi_codegenCode generation for the RFI.1,957MIT rfidrfid1,842MIT rfid-debugRFID reader utilities to encode and decode H10301 26bit Wiegand format8,867MIT rfid-rsMFRC522 library for embedded use11,721MIT OR Apache-2.0 Embedded development rfid-silion-compatAsync Rust library for Silion RFID readers with serial and Web Serial support17MIT OR Apache-2.0 API bindings Asynchronous rfidfyiRFID tag and reader reference, EPC standard lookup, and frequency band encyclopedia -- async API client for rfidfyi.com.54MIT API bindings Data structures rfinancialA financial crate mimicking `numpy_financial` in Python10,743MIT Finance Mathematics rfindA simple clone of the `find` command2,792MIT rfind_urlParser to search strings for URLs in reverse order44,226MIT/Apache-2.0 Parsing tools rfingerPlaceholder for future implementation of the finger protocol1,605MIT rfioThis is a rust version for fio.1,661GPL-3.0-or-later rfirebirdProvide a raw access to firebird database file1,558MIT Database interfaces rfitsioRust native library to read/write FITS files120GPL-3.0-or-later rfkillrA Rust library for interacting with the rfkill subsystem on Linux1,769MIT rfl-templateA CLI tool to scaffold Rust for Linux kernel modules187MIT OR Apache-2.0 Command line utilities Development tools rflattenFlatten subdirectories by moving all files to the root directory107GPL-3.0 rflexFast lexer code generator for Rust15,382MIT rflog-parserlightweight .rflog parser931 AGPL-3.0-or-later rflowText protocol for embedded apps14,822Apache-2.0 rflow-chatText protocol for embedded apps4,420Apache-2.0 rfluids🦀 Rusty CoolProp wrapper2,964MIT API bindings Science rfmExpanded options for interacting with files and directories. Creating/copying/moving etc. File manager, only inside Rust 🦀12,643MIT rfm-binA super fast file-manager written in rust7,590GPL-3.0 Command line utilities Filesystem rfm69A generic rust driver to support RFM69 family wireless chips14,824MIT OR Apache-2.0 Embedded development Hardware support rfm69-asyncasync driver for the rfm69 radio transceiver2,779AGPL-3.0-only Asynchronous Embedded development rfm9Rfm9 radios684MIT rfm9xRFM9x LoRa/FSK transceiver driver for Raspberry Pi in native Rust5,314MIT Embedded development Hardware support rfmpA program to pack and install Factorio mods from source code quickly15,690MIT rfmtAnother Rust source code formatter.2,722Apache-2.0/MIT rfnd-hello-worldThis module exports a "Hello world!" string.4,649Apache-2.0 rformatRuntime formatting library1,226GPL-3.0 rfortuneA Rust-based clone of the classic UNIX 'fortune' command1,744MIT Command line utilities rfpA Rust rewrite of [fpp](https://github.com/facebook/PathPicker) that lets you interactively select files from piped input and…2,302MIT Command line utilities rfpmBuild deb, rpm, and Arch Linux packages from Rust362GPL-3.0-or-later Command line utilities Operating systems::Linux APIs rfrA flight recorder for Rust.1,410MIT Development tools::Debugging rframeA lightweight framework implemented in Rust844MIT rfsBreadth first search of directories5,866MIT rfs-runnerA simple UI Progress2,483MIT Command line utilities rfs-webservera small Rust webserver built with axum that serves a seeded randomly generated virtual filesystem.13MIT rfs_brRust File System1,501MIT rfs_test_macroThis package provides macro to simplify usage of rfs_tester crate.5,020MIT OR Apache-2.0 Development tools::Procedural macro helpers Development tools::Testing rfs_testerThis package allows you to create a temporary directory for testing purposes. You can use it to perform tests related to file…21,328MIT Development tools::Testing Filesystem rfsapiRaw Filesystem API -- enable simpler browsing with ease15,167MIT Web programming rfseeSearch and view RFCs in Neovim and from the terminal.905MIT Command line utilities rfsee-tf-idfTF-IDF implementation for rfsee1,166MIT rfsignupxxA test package for RFsignup functionality.2,334MIT OR Apache-2.0 Algorithms Development tools rfsystemsRF Systems Develoment Tooling (gainlineups, linkbudgets, touchstone, etc.)23non-standard rftFFT handling library.3,183WTFPL rft-cliZero-config Docker Compose isolation for git worktrees197MIT Command line utilities Development tools rftapParser and serializer for RFTap protocol535MIT rftpDownload and upload files from a server via sftp.10,891MIT rftraceFunction tracer backend. Logs all functions entries and exits. Works on all software compiled with mcount() instrumentation.25,807MIT OR Apache-2.0 Development tools::Profiling No standard library rftrace-frontendRftracer frontend for writing uftrace compatible traces.24,312MIT OR Apache-2.0 Development tools::Profiling rftrace-frontend-ffiDefault rftracer frontend as a static library so it can be called from C code.6,588MIT OR Apache-2.0 Development tools::Profiling rfuiA fast, interactive file finder with live preview built in Rust3,823MIT Command line utilities Filesystem rfunctionAn internal tool for the r-series of computational crates. It handles defining expressions at build time with a macro.1,424MIT rfuse3FUSE user-space library async version implementation.20,950MIT API bindings Filesystem rfvpA Non-Official Rust cross-platform implementation of the FVP engine1,759Apache-2.0 rfwRendering framework for implementing new rendering algorithms and creating graphics applications.3,547Apache-2.0 rfw-backendBackend API for rfw framework.2,064Apache-2.0 rfw-backend-wgpuA wgpu-based backend for rfw.2,953Apache-2.0 rfw-fontFont rendering plugin for rfw.1,646Apache-2.0 rfw-mathMath utilities used in rfw.2,113Apache-2.0 rfw-sceneScene implementation used in rfw.1,968Apache-2.0 rfw-utilsUtils for the rfw framework.2,027Apache-2.0 rfxYour command line currency converter1,824Apache-2.0 Command line utilities rfylA dice roller accepting dice notation.8,271CC0-1.0 Games Parsing tools rfzAn indexer and metadata viewer for repositories of IETF documents synced to the local file system.3,263MIT rgYou don't want this crate - you want the `ripgrep` crate20,811Unlicense rg-chessChess Game with graphical interface.6,949MIT rg-policyPolicy engine for Railguard: secret scanning, dangerous command detection, path protection103MIT OR Apache-2.0 Development tools rg-typesShared types for Railguard: Config, Verdict, BlockReason, HookInput177MIT OR Apache-2.0 Development tools rg3d3D Game engine33,421MIT Game engines Graphics rg3d-coreShared core for the rg3d engine and its external crates.58,389MIT Game development Graphics rg3d-core-deriveProc-macro for the Visit trait14,420MIT rg3d-physicsPhysics library for rg3d-engine.13,562MIT rg3d-resourceAsset management crate for the rg3d engine10,927MIT Game development rg3d-soundSound library for games.60,434MIT Game development Multimedia::Audio rg3d-sound-sdlUse rg3d-sound with SDL's audio subsystem2,811MIT Game development Multimedia rg3d-uiExtendable UI library25,458MIT Game development GUI rg_formatsParsers and Serializers for various rhythm game formats.3,738MIT rg_records_rsA Rust library for management of rhytm game records633MIT rg_soundmapA Rust library for managing a sound map format.3,358non-standard rgaOld version! Please see [ripgrep_all](https://crates.io/crates/ripgrep_all)11,011AGPL-3.0-or-later rgaussian16Interface for the Gaussian16 quantum chemical package. This structure provides functions for auto generating input, and running…5,700MIT rgb`struct RGB/RGBA/etc.` for sharing pixels between crates + convenience methods for color manipulation. Allows no-copy high-level…99,947,609MIT Graphics Multimedia::Images rgb-a-coreIdentity, reputation, and validation for programmable economic actors on Bitcoin36MIT rgb-aluvmFunctional registry-based RISC virtual machine20,488Apache-2.0 Compilers Cryptography rgb-apiRGB smart contracts wallet runtime3,274Apache-2.0 Cryptography::Cryptocurrencies rgb-ascii-armorASCII Armor: binary to text encoding library and command-line utility20,856Apache-2.0 Command line utilities Encoding rgb-cliRGB node command-line interface11,927MIT Command line utilities Network programming rgb-cmdCommand-line wallet for RGB smart contracts on Bitcoin2,415Apache-2.0 Cryptography::Cryptocurrencies rgb-colorA library to work with rgb color2,808MIT rgb-consensusRGB Consensus Library: confidential & scalable smart contracts on Bitcoin & Lightning (consensus layer)28,787Apache-2.0 Cryptography::Cryptocurrencies rgb-contractsRGB: scalable & confidential smart contracts for Bitcoin & Lightning network14,189Apache-2.0 Cryptography::Cryptocurrencies rgb-coreRGB Core Library: confidential & scalable smart contracts on Bitcoin & Lightning (consensus layer)149,238Apache-2.0 Cryptography::Cryptocurrencies rgb-descriptorsBitcoin wallet descriptors for RGB protocol2,716Apache-2.0 Cryptography::Cryptocurrencies rgb-emuRust Game Boy emulator2,791MIT rgb-interfacesCollection of the standard RGB smart contract interface20,917Apache-2.0 Cryptography::Cryptocurrencies rgb-invoiceInvoice Library for RGB smart contracts34,926Apache-2.0 Cryptography::Cryptocurrencies rgb-invoicingInvoicing library for RGB smart contracts27,610Apache-2.0 Cryptography::Cryptocurrencies rgb-ioTakes input RGB codes, prints colors to stdout.3,015non-standard Command line utilities rgb-led-pwm-dma-makerUsed for creating a PWM waveform using the DMA to control RGB LEDs such as WS2812, WS2812B, SK6812, SK6812-RGBW.1,632MIT OR Apache-2.0 Data structures Embedded development rgb-libRGB wallet library45,061MIT rgb-lib-migrationRGB wallet library migrations29,946MIT rgb-lightningA Bitcoin Lightning library in Rust. Does most of the hard work, without implying a specific runtime, requiring clients implement…1,968MIT OR Apache-2.0 rgb-lightning-sampleRGB fork of ldk-sample1,476MIT OR Apache-2.0 rgb-opsRGB ops library for working with smart contracts on Bitcoin & Lightning27,421Apache-2.0 Cryptography::Cryptocurrencies rgb-persist-fsFilesystem persistence for RGB smart contracts14,524Apache-2.0 Algorithms Cryptography rgb-psbtPartially-signed transaction support for RGB protocol22,263Apache-2.0 Cryptography::Cryptocurrencies rgb-psbt-utilsPartially signed bitcoin transaction RGB extensions27,279Apache-2.0 Cryptography::Cryptocurrencies rgb-runtimeRGB smart contracts wallet runtime22,759Apache-2.0 Cryptography::Cryptocurrencies rgb-schemasCollection of the official RGB smart contract schemata27,024Apache-2.0 Cryptography::Cryptocurrencies rgb-schemataCollection of the official RGB smart contract schemata29,290Apache-2.0 Cryptography::Cryptocurrencies rgb-sequencerA no_std-compatible Rust library for controlling RGB LEDs through timed color sequences on embedded systems110MIT OR Apache-2.0 Embedded development No standard library rgb-stdStandard Library for RGB smart contracts81,994Apache-2.0 Cryptography::Cryptocurrencies rgb-stlRGB strict type libraries1,434Apache-2.0 Cryptography::Cryptocurrencies rgb-strict-encodingStrict encoding: deterministic & confined binary serialization for strict types19,428Apache-2.0 Encoding Parsing tools rgb-strict-encoding-deriveStrict encoding derivation macros19,609Apache-2.0 Development tools Encoding rgb-strict-typesStrict types: confined generalized algebraic data types (GADT)20,683Apache-2.0 Compilers Data structures rgb-walletRGB smart contracts command-line wallet35,909Apache-2.0 rgb121RGB-121 Library: fungible digital assets for bitcoin & lightning4,423MIT Cryptography::Cryptocurrencies rgb20RGB-20 Library: fungible digital assets for bitcoin & lightning34,559MIT Cryptography::Cryptocurrencies rgb21RGB-21 Library: non-fungible tokens (collectibles) for bitcoin & lightning1,642MIT Cryptography::Cryptocurrencies rgb22RGB-22 Library: digital identity for bitcoin & lightning1,642MIT Cryptography::Cryptocurrencies rgb23RGB-23 Library: verifiable audit logs for bitcoin & lightning1,632MIT Cryptography::Cryptocurrencies rgb24Basic 24-bit colour representation and manipulation50,674MIT rgb2ansi256Convert RGB 24-bit colors into ANSI 256 (8-bit) color codes with zero dependencies and `const fn`12,276non-standard Graphics rgb2hexConvert RGB color to hexadecimal color4,049MIT rgb2slopeA Rust library for converting Mapbox RGB tiles to slope maps.387MIT rgb2specConverts RGB colors to reflectance spectra3,973BSD-3-Clause Command line utilities Graphics rgb2vgaAn RGB pixel to VGA color converter implemented in rust1,337GPL-3.0 rgb2xyConversion function from RGB to XY for Hue lights1,962MIT rgb2yuv420Simple RGB to YUV420 converter14,564MIT OR Apache-2.0 rgb565Contains routines for working with RGB565 and converting it to RGB and sRGB31,226MIT Embedded development Graphics rgb_derivationRoutines for calculation XYZ-RGB conversion matrices from white point and primaries33,045LGPL-3.0-or-later Graphics Multimedia::Images rgb_hsvEasyly convert rgb to hsv and hsv to rgb4,798AGPL-1.0-or-later rgb_intInteger representations and manipulations of rgb colours25,762MIT rgb_nodeRGB node46,134MIT Network programming rgb_rpcRGB node RPC API15,955MIT Network programming rgba32Basic 32-bit colour representation and manipulation13,618MIT rgba8888-to-rgb332A cli tool that will process all files found in an input folder, transforming them from a file format containing full 16 million…1,424MIT rgba_simpleSimple RGBA and Hex color representation401,407BSD-2-Clause Graphics Multimedia::Images rgbcx-sysRust bindings to the rgbcx (BC1-BC5 decoder/encoder) from Rich Geldreich's bc7enc_rdo project.4,044MIT OR Unlicense rgbdUnofficial Rust client for GBD Benchmark Database4,915MIT OR Apache-2.0 rgbds-objA library for working with RGBDS object files.8,310MIT Development tools Game development