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.

rtwtime tracker command line tool32,333MIT OR Apache-2.0Command line utilities rtw-tuiA TUI using my raytracing library rtwlib3,102GPL-3.0Command line utilitiesRendering rtwiTwitter Command Line Tool for people who hope real twitter6,552MITCommand-line interface rtwlibRaytracing library built in rust5,488MITRendering rtwoCLI interface for Ollama written in Rust4,770GPL-3.0Command line utilities rtxRTx is a zero-cost runtime-abstraction intended for use by Rust libraries to enable the Freedom of Choice between asynchronous…2,813MIT OR Apache-2.0Asynchronous rtx-cliPolyglot runtime manager (asdf rust clone)270,697MITCommand line utilities rtxmail腾讯企业邮箱rust版本sdk8,417MIT OR Apache-2.0 rtxonSimple raytracer built as a learning exercise in Rust5,191Apache-2.0 rtxtarrust implementation of the txtar format924MITCommand line utilitiesDevelopment tools rtyA simple command line retry tool.4,699MITCommand-line interfaceCommand line utilities rtzA tool to easily work with geo lookups via a binary, a library, or a server.19,527MITCommand line utilities rtz-buildThe build crate for `rtz`.9,587MITCommand line utilities rtz-coreThe core functionality for `rtz`.7,966MITCommand line utilities rtzxTZX / CDT tape file parsing and conversion / playback230MITCommand line utilitiesParser implementations ruA simple and easy-to-use cli tool inspired by du to find out the disk usage of files/directories.1,882MITCommand line utilities ru-cpjA Rust-based command-line tool for creating new projects from templates708MITCommand line utilitiesDevelopment tools ru-diA simple and lightweight dependency injection container for Rust2,661MITDevelopment tools ru-html-extractorA universal web page main content extractor based on line block density distribution.1,126MIT ru-openairu-openai is a rust library for openai api.5,010MIT ru-openapi-cgA powerful OpenAPI 3.0 code generator written in Rust that supports multiple programming languages and frameworks2,078MITDevelopment toolsWeb programming ru-yscsomething help code for rust web project.34MIT ru5102Library for the CF-RU5102 UHF RFID reader5,486LGPL-3.0-or-later ru_annoyA rust implementation of annoy(https://github.com/spotify/annoy) (Index serving only). Providing C api as well5,546MIT ru_fetchSimple Fetch written in Rust.10,371GPL-3.0Command line utilities ru_historyA hisstory manager for shells, specifically ru_shell3,192MIT ru_shellA Shell built around a semantic grammar5,423MIT ruaSecure jailed AUR helper for Arch Linux174,940GPL-3.0-or-later rua-rsA file format for handle image or sprite in terminal36MIT ruakeA modern cross-platform build tool similar to Make38MIT rualA slim, embeddable language4,313MIT rual-coreA slim, embeddable language3,666MIT rualdiRust Aliasing Directory13,194AGPL-3.0-or-laterCommand line utilitiesFilesystem rualdlibRust Aliasing Directory6,503AGPL-3.0-or-laterCommand line utilitiesFilesystem ruamengadget1,292MIT/Apache-2.0 ruantA crate for stock factor calculation basing on tick data1,066MIT OR Apache-2.0 ruapcA high-performance Rust RPC library supporting TCP, WebSocket, HTTP/2, and RDMA transports1,147MIT OR Apache-2.0 ruapc-bufpoolA high-performance Rust RPC library supporting TCP, WebSocket, HTTP/2, and RDMA transports23MIT OR Apache-2.0AsynchronousNetwork programming ruapc-macromacro for ruapc service1,073MIT OR Apache-2.0 ruapc-rdmaLow-level FFI bindings to libibverbs with type-safe device management for RDMA operations600MIT OR Apache-2.0 ruarangoArangoDB Client Implementation32,358MIT OR Apache-2.0AsynchronousDatabase interfaces ruastA printable & modifiable Rust AST15,677MIT OR Apache-2.0Parsing tools ruatomChemical information tools.1,566MIT ruauPure Rust implementation of Luau and its analyzer.124MIT ruau-analysisPure Rust Luau static analysis and module graph infrastructure for Ruau.204MIT ruau-astPure Rust Luau AST and parser-facing syntax structures for Ruau.239MIT ruau-bytecodeLuau bytecode codec and compiler substrate for Ruau.194MIT ruau-declTyped Luau declaration authoring model for Ruau host surfaces.205MIT ruau-embed-deriveDerive macros for Ruau's scoped embedding conversion traits.72MIT ruau-fsFilesystem-backed module source and analysis config adapters for Ruau.138MIT ruau-hostRetained source-eval host over a validated Ruau surface.138MIT ruau-runnerBounded multi-tenant request runner for Ruau.133MIT ruau-sourceAsync-first module source model shared by Ruau analysis and runtime.228MIT ruau-surfaceValidated runtime and checker surface configuration for Ruau.170MIT ruau-typecheckPure Rust Luau type checking and type inference for Ruau.186MIT ruau-vmThe Ruau VM: a pure-Rust, async, sandboxed executor for Luau bytecode.183MIT ruau-vm-apiStable low-level API for the Ruau VM: value model, host traits, and extension boundary.197MIT ruautd-frameworkA basic API framework for running AUTD from Rust1,253MIT ruaxLua interpreter implemented in Rust.1,234Apache-2.0 rubamPure-Rust BAM/VCF/BCF depth, pileup, variants and stats with Python bindings — Windows / Linux / macOS native. CRAM is…34MITCommand line utilitiesScience::Bioinformatics::Genomics rubanA CLI tool to input, start and finish your todos without leaving the terminal.6,857MIT OR Apache-2.0Command line utilities rubar-coreBarcode encoding and rendering — pure Rust core (no Python bindings)57MIT rubashA Rust implementation of the GNU Bash shell32GPL-3.0-or-laterCommand line utilitiesDevelopment tools rubatoAsynchronous resampling library intended for audio data8,247,661MIT OR Apache-2.0Multimedia::Audio rubberA capistrano/rails plugin that makes it easy to deploy/manage/scale to various service providers, including EC2, DigitalOcean,…1,798Apache-2.0 rubber-stampRubber stamp document system1,849AGPL-3.0-or-later rubber_duckEnables building functions that can be called with named arg syntax6,298MIT rubber_duck_macroThe proc macros for the rubber-duck crate (macros for building named-arg functions)4,278MIT rubberduckA rubber duck for your agent. It listens, quacks, and produces a structured log.21MITCommand line utilitiesDevelopment tools::Debugging rubbishRubbish - Sort of like Chubby, but in Rust .. Rubbish.2,364MPL-2.0 rubblFacade crate and CLI interface for the Rubbl astrophysics data analysis framework.6,075MIT rubbl_casatablesInterfacing to the CASA table format within the Rubbl framework.34,978MIT rubbl_casatables_implA bundle of C++ code that can read the CASA table format for Rubbl.32,744LGPL-2.0+ rubbl_coreCore types and traits for Rubbl, a Rust package for astrophysics.32,350MIT rubbl_fitsCore support for the FITS container format in the Rubbl framework.7,402MIT rubbl_miriadInterfacing to MIRIAD radio astronomy data formats within the Rubbl framework.8,167MIT rubbl_visdataPreliminary work on generic data structures for radio interferometric visibility data.6,497MIT rubbleAn embedded BLE stack11,1590BSDEmbedded developmentNo standard library rubble-nrf52Rubble driver for the nRF52-series radios1,9120BSDEmbedded developmentNo standard library rubble-nrf52810DEPRECATED - use `rubble-nrf52` instead4,7010BSDEmbedded developmentNo standard library rubble-nrf5xRubble driver for the nRF51/nRF52-series radios2,1570BSDEmbedded developmentNo standard library rubble-rsA template engine to compile text and evaluate code from template files1,259non-standard rubble-templatesA template engine to compile text and evaluate code from template files7,848MIT rubble-templates-coreCore traits and structs that are needed for text template evaluation.3,408MIT rubble-templates-evaluatorsA set of parsers, evaluators and compilers for text templates.4,089MIT rubble_teaA tui library that follows the MVC pattern13,486GPL-3.0-or-laterCommand-line interface rubblerRubbler is a RISC-V assembler written in Rust 🦀. This library was written with the main purpose of embedding a simple RISC-V…4,167MIT OR Apache-2.0 rubboRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.117MITAsynchronousNetwork programming rubbo-clusterRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.204MITAsynchronousNetwork programming rubbo-coreRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.519MITAsynchronousNetwork programming rubbo-jsonbRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.186MITAsynchronousNetwork programming rubbo-macroRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.285MITAsynchronousNetwork programming rubbo-registryRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.285MITAsynchronousNetwork programming rubbo-rpcRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.204MITAsynchronousNetwork programming rubbo-serializationRust implementation of Apache Dubbo 3. High-performance RPC framework with Triple protocol.286MITAsynchronousNetwork programming rubchevA Rust utility library for strings780MIT OR Apache-2.0 Rubchev_DRust liberary1,433MIT OR Apache-2.0 rubeUnreleased project1,527MIT rubeculaCore library for now-playing metadata, lyric lookup, LRC parsing, synchronization, and render models.45MIT rubecula-cliTerminal UI for live synced lyrics using rubecula.17MIT rubedoLibrary of useful functionality and extensions52,500MITDevelopment tools rubedo-macrosProc macros for Rubedo50,617MITDevelopment tools rubedo-ssgThe final stage in the alchemical process of building a static website5,778AGPL-3.0-or-laterCommand line utilitiesWeb programming rubefunge-93A simple toy Befunge interpreter.6,059MIT rubenvySupport for Ruby-style dotenv loading priorities utilizing dotenvy.3,061MIT OR Apache-2.0 rubertRubert1,611AGPL-3.0-only rubert-tokenizerRubert tokenizer1,613Apache-2.0 rubiAn SDK for rubicon.finance2,794non-standard rubicRuby parser and compiler3,835MIT rubiconDeduplicate globals across shared objects to enable a dangerous form of dynamic linking25,710MIT OR Apache-2.0Development tools::FFI rubidiumRb3723,109Zlib rubifyAdd ruby characters to fonts.22Apache-2.0 OR MIT rubikA Rubik's cube library2,746non-standard rubikmasterTools to implement Rubik's cube applications.13,973MITMathematics rubiksRubik's library in Rust1,500MIT rubiks-cube-representationA mathematical library for representing and analyzing Rubik's cubes using group theory and tile permutations296MITAlgorithmsMathematics rubiks-movesA library focusing on processing moves for 3x3 Rubiks cube5,211MITData structuresMathematics rubinIn-memory key-value store with the option for persistence9,803MIT OR Apache-2.0CachingData structures rubin-cliCLI for the Rubin lib3,886MIT OR Apache-2.0CachingCommand-line interface rubitThe bencoding decoding package for rubit Bittorrent client1,453non-standard rubit-bencodeThe rubit Bittorrent client core lib for all its functions1,716non-standard rubit-cliThe rubit Bittorrent client cli binary1,189non-standard rubitimerA stopwatch with a random generated cube scramble in terminal.1,470MIT rubleBird API MCP server — Model Context Protocol server for eBird hotspots, regions, and rare bird data176MITAPI bindingsDevelopment tools rublebluetooth low energy API1,897Apache-2.0 rublkRust ublk generic targets20,103GPL-2.0-or-later rubocredit to rubo8,957MIT OR Apache-2.0 rubo4eRust implementation of the BO4E energy-market data standard800MIT OR Apache-2.0Data structuresEncoding rubo_engineA pure Rust core runtime framework for source-device-function-sink pipelines.87MIT OR Apache-2.0Asynchronous rubo_engine_macrosAttribute macros for rubo_engine registration annotations.89MIT OR Apache-2.0 rubotA generic game bot written in Rust6,875MITAlgorithmsGame engines ruboyA gameboy emulator for desktop, based on ruboy_lib9,476MPL-2.0Emulators ruboy_binutilsA collection of utilities for working with Gameboy binaries, based on ruboy_lib8,075MPL-2.0Emulators ruboy_libA easy-to-integrate gameboy emulation library10,063MPL-2.0Emulators ruboy_proc_macroThe proc-macro support crate for Ruboy7,732MPL-2.0Emulators rubrailRubrail is a Rust library for interfacing with the Mac Touch Bar28,373Apache-2.0GUIHardware support rubricA crate to help grade labs and assignments12,132MITCommand line utilities rubric-attrAttribute macros for requirements traceability — #[satisfies(...)] and #[verifies(...)]32MIT OR Apache-2.0Development tools::Cargo pluginsDevelopment tools::Testing rubric-coreShared types and build-time drift detection for the rubric traceability toolchain32MIT OR Apache-2.0Development tools::Cargo pluginsDevelopment tools::Testing rubric-traceShared types and build-time drift detection for the rubric requirements-tracking toolchain165MIT OR Apache-2.0Development tools::Cargo pluginsDevelopment tools::Testing rubric-trace-macrosAttribute macros for requirements tracking — #[satisfies(...)] and #[verifies(...)]137MIT OR Apache-2.0Development tools::Cargo pluginsDevelopment tools::Testing rubroDirectory grouping and organization for backups2,797MITCommand line utilitiesFilesystem rubrumStrongly typed astological primitives14AGPL-3.0-or-later rubulletRust interface to the Bullet Physics SDK simmilar to PyBullet6,894MITScience::RoboticsSimulation rubullet-sysCompiles bullet3 and exposes rust bindings to the C API7,260MITScience::RoboticsSimulation rubundZero-copy Gemfile.lock parser library, with a placeholder CLI ahead of full bundle commands.403MIT OR Apache-2.0Command line utilitiesParser implementations rubusRust implementation of uBus1,502MIT rubxRubx (Rust Basic Toolbox) is a library for command programs that features a toolbox with a series of basic functionalities.3,546LGPL-3.0-only rubyPure Rust implementation of Ruby runtime environment65MIT OR Apache-2.0Development tools ruby-irIntermediate Representation for Ruby code102MIT OR Apache-2.0 ruby-lexerA parser for the Ruby language1,162MIT ruby-lspRuby Language Server Protocol implementation for Rusty Ruby37MIT OR Apache-2.0Development tools ruby-macrosProcedural macros for the Rusty Ruby ecosystem53MIT OR Apache-2.0Development tools ruby-marshal`ruby-marshal` is a Serde crate for parsing Ruby Dumped Object Format called "Marshal".1,581GPL-3.0Parser implementations ruby-mathA simple 3D math library for games and graphics13,324GPL-3.0 ruby-mergeRuby syntax merge helpers for Structured Merge44AGPL-3.0-only OR PolyForm-Small-Business-1.0.0 ruby-mriHigh-level bindings to the MRI Ruby C API.5,842MIT ruby-parserA parser for the Ruby language1,553MIT ruby-prismRustified version of Ruby's prism parsing library124,015MITAPI bindingsDevelopment tools::FFI ruby-prism-sysRust bindings to Ruby's prism parsing library127,738MITAPI bindingsDevelopment tools::FFI ruby-rbsRust bindings for RBS -- the type signature language for Ruby programs26,659BSD-2-Clause ruby-rbs-sysLow-level FFI bindings for RBS -- the type signature language for Ruby programs27,374BSD-2-Clause ruby-stringA string type that tracks Ruby glosses attached to parts of it.1,650Apache-2.0Data structuresText processing ruby-sysLow level bindings to MRI, Matz's Ruby Interpreter.71,548MIT ruby-toolsRuby language tools for Rusty Ruby19MIT OR Apache-2.0Development tools ruby-types📦 Ruby value and error types for Rusty Ruby221MIT OR Apache-2.0Development tools ruby_inflectorAdds String based inflections for Rust. Snake, kebab, camel, sentence, class, title and table cases as well as ordinalize,…191,488BSD-2-ClauseText processingValue formatting rubydexHigh-performance Ruby code indexing and static analysis library.87MITDevelopment tools rubydex-mcpMCP server exposing Rubydex semantic Ruby code intelligence tools.18MITDevelopment tools rubydex-sysC FFI bindings for the Rubydex Ruby code indexing engine.15MITDevelopment toolsExternal FFI bindings rubyfastAn ultra-fast Ruby performance linter rewritten in Rust — detects 19 common anti-patterns179MITCommand line utilitiesDevelopment tools rubyfmtA Ruby code formatter1,327MIT rubygems_apiQuery the rubygems.org API12,396GPL-3.0-or-later rubylangRuby as a fusevm frontend: a lexer/parser and compiler to fusevm::Chunk on a RubyHost object heap, with no bespoke VM or JIT —…28MITCommand line utilitiesCompilers rubyrsA tiny Ruby-subset interpreter in Rust, built on top of Prism72MIT OR Apache-2.0Command line utilitiesCompilers rubyrs-cextCRuby-shape C ABI for hosting C extensions inside rubyrs (spike: Level 0)95MIT OR Apache-2.0API bindingsExternal FFI bindings rubyrs-gapscanScans Ruby codebases for AST features rubyrs cannot translate, to quantify and prioritise the subset gap.16MIT OR Apache-2.0Command line utilitiesDevelopment tools rubyrs-spec-extractMechanically rewrites ruby/spec files into the assert_eq / assert_raises shape rubyrs's micro-runner understands.17MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing rucRust Util Collections5,771,863MITDevelopment tools::Debugging rucajaRust Calls Java - via JNI32,708MIT/Apache-2.0 rucashread Gnucash file19,294MIT OR Apache-2.0Database interfaces ruccoCommon Lisp implementation1,508Apache-2.0 ruceneRucene is a Rust port of the popular Apache Lucene project. Rucene is not a complete application, but rather a code library and…3,551non-standard rucentCentrifugo HTTP API client3,080MIT OR Apache-2.0 ruchRuch is library for rich text and beautiful formatting in the terminal.1,365non-standardCommand-line interface ruchatollama/chroma command-line AI chat tool1,776MIT rucheA git-backed store for cross-cutting work items16MIT OR Apache-2.0Command line utilitiesDevelopment tools ruche-coreCore library for ruche, a git-backed store for cross-cutting work items39MIT OR Apache-2.0Command line utilitiesDevelopment tools ruche-mcpMCP server for ruche, a git-backed store for cross-cutting work items17MIT OR Apache-2.0Command line utilitiesDevelopment tools rucheiUtilities for working with many streams31,389MIT OR Apache-2.0AsynchronousConcurrency ruchei-callbackCallback traits for ruchei4,064MIT OR Apache-2.0Asynchronous ruchei-collectionsCollections to support the implementation of ruchei2,480MIT OR Apache-2.0Data structures ruchei-connectionReadiness queues used in the implementation of ruchei for managing multiple connections1,660MIT OR Apache-2.0 ruchei-extendExtendPinned utilities for ruchei1,662MIT OR Apache-2.0Asynchronous ruchei-extraStream/Sink wrapper with extra data, as used by ruchei6,038MIT OR Apache-2.0Asynchronous ruchei-itertoolsasync itertools, subproject of ruchei963MIT OR Apache-2.0Asynchronous ruchei-routeSinks with routes7,545MIT OR Apache-2.0Asynchronous ruchei-wakelistintrusive doubly-linked lists with wake queues46MIT OR Apache-2.0 ruchessrust chess229Unlicense ruchyA systems scripting language that transpiles to idiomatic Rust with extreme quality engineering114,375MIT OR Apache-2.0CompilersDevelopment tools