All 305,250 crates, alphabetically

rate-commonInternal modules for rate9,907MIT rate-configUtils for configuration files.50,044Apache-2.0Development tools::Debugging rate-coreThe RillRate embedded HTTP server.68,379Apache-2.0Development tools::Debugging rate-distortionRate-distortion theory: R(D) function calculation, distortion measures, Blahut-Arimoto algorithm, and Lloyd-Max quantizer design18MITAlgorithmsMathematics rate-gateEasy and thread-safe rate limiter4,566MIT rate-guardThread-safe rate limiting library with multiple algorithms and Duration-based configuration752MIT OR Apache-2.0AlgorithmsConcurrency rate-guard-coreRate limiting library with multiple thread-safe algorithms5,294MIT OR Apache-2.0AlgorithmsConcurrency rate-limit-coreThis is a companion crate to `rate-limit-macro` with primary purpose to provide tests.4,961MIT rate-limit-guardCross-session rate limit guard for LLM providers.18Apache-2.0CachingConcurrency rate-limit-macroProcedural macro that provides a simple way to rate-limit blocks of code.6,283MIT rate-limit-queueA rate limited queue7,370MIT OR Apache-2.0 rate-limit-testingIntended to be used for testing rate-limiting6,754MIT rate-limitsA parser for HTTP rate limit headers10,731Apache-2.0/MIT rate-logA Rust library for rate-limited logging that prevents spam by tracking message frequency and duration.140MIT rate-macrosInternal macros for rate11,541MIT rate-netA powerful, lock-free rate limiter for Rust: multiple algorithms behind one trait, sharded per-key state, bounded-memory…66Apache-2.0 OR MITAlgorithmsConcurrency rate-proof-utilsUtilities for clausal proofs (DRAT, DPR)7,050MIT rate-sick-checkVerify SICK certificates of proof incorrectness produced by rate6,999MIT rate-uiRillRate UI: extension for Yew7,224Apache-2.0Development tools::Debugging rate_limitA simple token-bucket style rate limiter8,2390BSD rate_limit_clientA rate-limiter http client55MITWeb programming::HTTP client rate_limit_wrapperAsync rate limit wrapper to easily manage resources36,627WTFPLAsynchronousConcurrency rate_limiterA RateLimit library come from redis-cell1,984Apache-2.0 rate_limiter_aimdA Rust library for adaptive concurrency control based on network service feedback (forked from vector.dev)1,076MITAlgorithmsConcurrency rate_limitersFlexible and easy-to-use Rust library for implementing rate limits.2,438MITAlgorithmsAsynchronous rate_my_professor_api_rsA cargo package that serves as an API wrapper over Rate My Professor. Users can get information about a particular college, get…3,749MIT OR Apache-2.0 rate_rsA Universal Rate Limiting Library for Rust Web Frameworks189Apache-2.0 rateflowA declarative, flexible, and high-performance rate limiting library for Rust25MITAsynchronousWeb programming rateioUm CLI para dividir contas de forma justa.118MIT ratelJavaScript transpiler in Rust28,462MIT/Apache-2.0 ratel-ai-coreTool and skill retrieval for AI agents — selectable BM25, dense (semantic), or hybrid search over catalogs. Core of the Ratel…380Apache-2.0AlgorithmsText processing ratel-ai-telemetryRatel telemetry conventions — the ratel.* overlay on OpenTelemetry gen_ai spans. Constants and helpers for the Ratel context…70MITDevelopment tools::Profiling ratel-rustA Rust implementation of Ratel the landlord game client.123MIT ratel_banditRust Implementation of a Muti-armed Bandit Simulator8,427MIT OR Apache-2.0 ratelimSimplistic rate limiter7,235MITDate and time ratelimitA lock-free token bucket ratelimiter21,271,802MIT OR Apache-2.0AlgorithmsConcurrency ratelimit_futuresRate-limit requests using futures3,142MIT ratelimit_meterA leaky-bucket-as-a-meter rate-limiting implementation in Rust398,955MITAlgorithmsConcurrency ratelimit_rsThe ratelimit package provides an efficient token bucket implementation5,964MIT ratelimiterRate limiter for Rust.4,838MIT ratelimiter-rsa lite ratelimit utils for rust16,225MIT/Apache-2.0 ratelockZero-dependency, zero-allocation, lock-free token bucket rate limiter for Rust (std + no_std).411Apache-2.0AlgorithmsConcurrency raterHigh-performance, lock-free, thread-safe rate limiter using token bucket algorithm with per-IP rate limiting support1,276MIT OR Apache-2.0AlgorithmsAsynchronous ratesCLI tool to get currency exchange rates in your terminal9,747Apache-2.0Command-line interface ratexRaTeX - placeholder60MIT ratex-cairoCairo renderer for RaTeX DisplayList62MIT ratex-ffiC ABI FFI exports for RaTeX310MIT ratex-fontFont metrics and symbol tables for RaTeX12,911MIT ratex-font-loaderShared lazy font loading and caching for RaTeX renderers10,614MIT ratex-gtk4GTK4 widget for native RaTeX rendering40MIT ratex-katex-fontsKaTeX TTF fonts embedded for RaTeX (optional embed-fonts support)11,885MIT ratex-layoutLayout engine for RaTeX12,573MIT ratex-lexerLaTeX lexer for RaTeX12,774MIT ratex-parserLaTeX parser for RaTeX12,697MIT ratex-pdfPDF export for RaTeX DisplayList using pdf-writer221MIT ratex-renderRaster and image rendering for RaTeX math typesetting5,153MIT ratex-svgSVG export for RaTeX DisplayList (vector output, optional KaTeX webfonts)7,040MIT ratex-typesShared types for the RaTeX math typesetting engine13,118MIT ratex-unicode-fontSystem Unicode font discovery for RaTeX fallback rendering11,070MIT ratex-wasmRaTeX WASM bindings for browser331MIT ratflowDEPRECATED91MIT ratflow-channelDEPRECATED53MIT ratflow-coreDEPRECATED36MIT ratframeDEPRECATED GO TO 'egui_ratatui24,891MIT OR Apache-2.0 rathHigh-performance WASM-based LLM client791Apache-2.0 rath-rsProvider-agnostic Rust clients and wire types for agentic AI APIs192MIT OR Apache-2.0API bindingsAsynchronous rathe-storage-cliA CLI utility for the Rathe Storage program1,523MIT rathe-storage-programRathe Storage program for the Solana blockchain2,266MIT ratherapiaA calming Rust/Ratatui ambient synth with rain, sound textures, and Ratty inline 3D.62MIT ratholeA reverse proxy for NAT traversal40,802Apache-2.0 raticaleA TUI for radicale397GPL-2.0-only raticleA TUI for radicale396GPL-2.0-only ratifyUtility for signing and verifying files and directories6,799MIT ratify-cC/C++ bindings for the Ratify Protocol — static and shared libraries for embedded, IoT, and native targets.54Apache-2.0CryptographyExternal FFI bindings ratify-protocolDelegated-authority proofs for human-agent and agent-agent interactions — Rust reference SDK for the Ratify Protocol.223Apache-2.0AuthenticationCryptography ratinCustom input field component for Ratatui TUI applications74MITCommand-line interface ratingA library that implements multiple rating systems and utilities for multiplayer games2,690MIT rating-graph-processorConverts the specified image to an image that fits the X (formerly Twitter) header.2,242CC0-1.0 ratioCompile-time rational arithmetic2,090MIT ratio-busRatio bus detection algorithms and heuristics.3,250MPL-2.0AlgorithmsMathematics ratio-cloneA library for cheap-to-clone types and wrappers for expensive to clone and compare datatypes.88MPL-2.0Data structuresEncoding ratio-colorRatio's color palette management in Rust, built on 'palette' and 'enterpolation'.14,932MPL-2.0Graphics ratio-defDefine newtypes for unit ratios9,526MIT OR Apache-2.0 ratio-dsmRatio's DSM plotting library.16,199MPL-2.0MathematicsScience ratio-geneticRatio's genetic algorithms library.7,720MPL-2.0AlgorithmsMathematics ratio-graphRatio's graph manipulation library.52,990MPL-2.0AlgorithmsMathematics ratio-internerRatio's value interner library.41MPL-2.0Data structuresRust patterns ratio-markovMarkov chain steady-state calculations with applications in graph clustering and sequencing.2,577MPL-2.0AlgorithmsMathematics ratio-matrixRatio's matrix data library.10,784MPL-2.0MathematicsScience ratio-metadataRatio's metadata model.834MPL-2.0AlgorithmsMathematics ratio-reactorSetup WebWorkers as queueing job shop reactors in WASM applications with different strategies.8,326MPL-2.0AsynchronousWebAssembly ratio-schemaRatio's versioned serializable data formats.531MPL-2.0ConfigurationEncoding rationA shared memory library2,098MIT rationalMinimalistic library for rational numbers26,716MITMathematicsScience rational_deductionRust implementation of the rational deduction algorithm.7,868ISC rational_extensionsExtensions for rational numbers.7,515MIT OR Apache-2.0AlgorithmsNo standard library rationalizerationalize float to ratio4,303MPL-2.0 ratiosCli tool to quickly adjust the ratio of a recipe.1,604MIT OR Apache-2.0 RatioUpCLI tool to fake your torrent upload in order to increase your ratio.18MIT ratiscatrat is cat reimplemented in rust with some new features8,010MITCommand line utilities ratkitA comprehensive collection of reusable TUI components for ratatui including resizable splits, tree views, markdown rendering,…666MITCommand-line interface ratmanRatman types, client, and interface library11,416GPL-3.0-or-later ratman-clientIPC library to interact with a Ratman daemon5,146GPL-3.0-or-later ratman-configureA configuration wrapper to create and manage ratman interface hubs1,612AGPL-3.0-or-later ratman-harnessA testing harness for applications that use ratman networks in memory1,618AGPL-3.0-or-later ratman-identityNetwork identity abstraction for Ratman routers and drivers21,801AGPL-3.0-or-later ratman-netmodInterface and framing abstraction for Ratman network drivers12,584AGPL-3.0 ratman-tuiA keyboard-driven TUI HTTP/API client (Ratatui + Postman = ratman)23AGPL-3.0-or-laterCommand line utilities ratman-typesEncoding types for the Ratman API3,544GPL-3.0-or-later ratmomSensible, async, curl-based HTTP client2,716MITWeb programming::HTTP client ratnestRathole panel210non-standard ratoRedis protocol parsing library4,647non-standard ratonratón is a tiny, modular, embeddable scripting language1,044MIT OR Apache-2.0Parser implementations ratpA generic ActivityPub server1,732GPL-3.0 ratpackratpack is a HTTP framework designed around simplicity and ease-of-use56,072BSD-3-Clause ratprotoA library for working with atproto.39MIT OR Apache-2.0 ratproto-didA highly-optimized library for atproto DIDs.119MIT OR Apache-2.0Parsing tools ratpubA simple and deterministic Pub/Sub implementation with Minot primitives.1,716MIT OR Apache-2.0Science::Robotics ratrideMarkdown slide presenter for TUI & Web221MITCommand line utilities ratrodA TCP / UDP tunneler that uses public / private key authentication with encryption.6,674MIT RatRod-rsAn FEM implementation written in Rust3,944MIT ratsAn experiemental functional programming library for Rust. WIP.2,531MIT rats-rsRapid Augmentations for Time Series23Apache-2.0 ratsatMiniSat reimplemented in Rust2,846MITAlgorithms ratsat-binMiniSat reimplemented in Rust1,904MITAlgorithmsCommand line utilities ratscadCAD for the terminal113MITCommand line utilitiesGraphics ratsioRatsio is a Rust client library for NATS messaging system and NATS Event Streaming.47,805MITAsynchronousNetwork programming ratsio_fork_040Fork of ratsio to avoid duplicate error conversion. Ratsio is a Rust client library for NATS messaging system and NATS Event…9,683MITAsynchronousNetwork programming ratskinA wrapper around termimad that produces ratatui widgets from markdown8,280MIT ratslangA minimal and extensible configuration language for fallible humans working with physical systems.2,606MIT OR Apache-2.0Parser implementationsScience::Robotics ratsnakeSnake game in Rust+Ratatui2,089MITGames ratspatcherA TUI for dispatching GitHub Actions workflows24MITCommand line utilities rattanAn Extensible and Scalable Modular Internet Path Emulator75Apache-2.0Command line utilitiesDevelopment tools rattan-coreAn Extensible and Scalable Modular Internet Path Emulator142Apache-2.0Command line utilitiesDevelopment tools rattan-envAn Extensible and Scalable Modular Internet Path Emulator218Apache-2.0Command line utilitiesDevelopment tools rattan-logAn Extensible and Scalable Modular Internet Path Emulator218Apache-2.0Command line utilitiesDevelopment tools ratticeA media viewer for web browsers.22,434MIT OR Apache-2.0Multimedia::ImagesMultimedia::Video rattishCast between trait objects.16,541Apache-2.0Data structuresMemory management rattleA terminal log viewer1,438MIT OR Apache-2.0 rattle_items_matchMatching is not limited to character strings. I'm trying to make a game AI.17,326MITParsing tools rattlebeaverManage rolling backups1,220Unlicense rattlerRust library to install conda environments447,513BSD-3-ClauseDevelopment tools rattler-binRust binary for common Conda operations630BSD-3-ClauseDevelopment tools rattler-buildA fast CLI tool to build conda packages on Windows, macOS and Linux3,661BSD-3-Clause rattler-serverA server to solve conda environments with rattler1,499Apache-2.0 rattler_build_allocatorPlatform-optimized memory allocator for rattler-build, using jemalloc on Unix and mimalloc on Windows381BSD-3-Clause rattler_build_coreThe core engine of rattler-build, providing recipe rendering, source fetching, script execution, package building, testing, and…10,971BSD-3-Clause rattler_build_jinjaJinja template engine integration for rattler-build, powered by minijinja11,346BSD-3-Clause rattler_build_networkingNetworking utilities for rattler-build, providing shared HTTP client functionality with retry middleware10,952BSD-3-Clause rattler_build_packageA library for creating conda packages from files and metadata, supporting .tar.bz2 and .conda formats539BSD-3-Clause rattler_build_recipeRecipe data model and parsing for rattler-build, including multi-stage evaluation and variant rendering11,110BSD-3-Clause rattler_build_recipe_generatorAutomatic recipe generation for Python (PyPI), R (CRAN), Perl (CPAN), and Lua (LuaRocks) packages496BSD-3-Clause rattler_build_scriptScript execution and sandbox configuration for rattler-build, supporting bash, cmd, python, and other interpreters10,972BSD-3-Clause rattler_build_source_cacheSource cache management for rattler-build10,891BSD-3-Clause rattler_build_typesCommon types shared across rattler-build crates, including glob matching, version pinning, and variant configuration keys11,404BSD-3-Clause rattler_build_variant_configVariant configuration system for rattler-build, handling build matrices, zip keys, and loading of variant YAML files11,199BSD-3-Clause rattler_build_yaml_parserYAML parser with Jinja2 template support for rattler-build, providing shared parsing infrastructure for conditional structures…11,274BSD-3-Clause rattler_cacheA crate to manage the caching of data in rattler368,721BSD-3-ClauseDevelopment tools rattler_conda_typesRust data types for common types used within the Conda ecosystem576,451BSD-3-ClauseDevelopment tools rattler_configA crate to configure rattler and derived tools.89,260BSD-3-ClauseDevelopment tools rattler_digestAn simple crate used by rattler crates to compute different hashes from different sources717,522BSD-3-ClauseDevelopment tools rattler_gitGit operations support for rattler based crates34,782BSD-3-Clause rattler_indexA crate to index conda channels and create a repodata.json file.223,272BSD-3-ClauseDevelopment tools rattler_installs_packagesDatastructures and algorithms to interact with Python packaging ecosystem31,145BSD-3-ClauseDevelopment tools rattler_libsolv_cBindings for libsolv46,687BSD-3-ClauseDevelopment tools rattler_libsolv_rsSAT solving library for dependency resolution5,987BSD-3-Clause rattler_lockRust data types for conda lock248,060BSD-3-ClauseDevelopment tools rattler_macrosA crate that provideds some procedural macros for the rattler project504,886BSD-3-ClauseDevelopment tools rattler_menuinstInstall menu entries for a Conda package267,898BSD-3-ClauseDevelopment tools rattler_networkingAuthenticated requests in the conda ecosystem454,515BSD-3-ClauseDevelopment tools rattler_package_streamingExtract and stream of Conda package archives471,805BSD-3-ClauseDevelopment tools rattler_prefix_guardA prefix guard (file lock) for rattler34,568BSD-3-Clause rattler_ptyA crate to create pty244,476BSD-3-ClauseDevelopment tools rattler_redactionRedact sensitive information from URLs (ie. conda tokens)424,316BSD-3-ClauseDevelopment tools rattler_repodata_gatewayA crate to interact with Conda repodata425,954BSD-3-ClauseDevelopment tools rattler_s3A crate to streamline interaction with S3 storage for rattler75,218BSD-3-ClauseDevelopment tools rattler_sandboxA crate to run executables in a sandbox47,957GPL-3.0-or-laterDevelopment tools rattler_shellA crate to help with activation and deactivation of a conda environment430,362BSD-3-ClauseDevelopment tools rattler_solveA crate to solve conda environments425,960BSD-3-ClauseDevelopment tools rattler_uploadA crate to Upload conda packages to various channels.74,773BSD-3-ClauseDevelopment tools rattler_virtual_packagesLibrary to work with and detect Conda virtual packages399,572BSD-3-ClauseDevelopment tools rattlesMinimal terminal spinners for Rust20,912MITCommand-line interfaceNo standard library rattyA GPU-rendered terminal emulator that supports inline 3D graphics3,368MITCommand line utilitiesGraphics ratuneA terminal music player for Subsonic-compatible servers350MITCommand line utilitiesMultimedia::Audio ratune-playerAudio playback engine for ratune210MITMultimedia::Audio ratune-scrobbleAudioscrobbler / Last.fm scrobbling for ratune136MITAPI bindingsMultimedia::Audio ratune-subsonicSubsonic API client for ratune312MITAPI bindingsMultimedia::Audio ratwenturea simple atventure clone2,621MIT ratwrapratatui wrapper24MITCommand-line interface ratwrap-macrosmacros for ratwrap27MITCommand-line interface ratzPerformant, convenient and idiomatic FP for Rust.1,634MIT OR Apache-2.0 ratzillaBuild terminal-themed web applications with Ratatui and WebAssembly312,468MIT OR Apache-2.0WebAssembly raudientipmsg rewrite by rust.11,759MIT RAufbauThat program calculates the electron configuration of element that you typed.3,016GPL-3.0 raugraug - Rusty Audio Graphs4,525MIT OR Apache-2.0 raug-macrosProcedural macros for Raug, a Rusty Audio Graph crate1,389MIT OR Apache-2.0 raugeasAugeas bindings for Rust99,664MIT raugeas_sysLow level bindings for augeas97,010MIT rauiRenderer Agnostic User Interface132,157MIT OR Apache-2.0GUIRendering::Graphics APIs raui-appRAUI application layer to focus only on making UI63,622MIT OR Apache-2.0GUIRendering::Graphics APIs