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.
rufutexUlrich Drepper's mutex using futex implementation in Rust3,873MIT OR Apache-2.0
rugArbitrary-precision integers, rational, floating-point and complex numbers based
on GMP, MPFR and MPC.5,093,437LGPL-3.0+
rug-binserialA very simple crate to serialize rug integers as strings of bytes (for use in efficient binary serialization)7,112MIT
rug-fftFFT implementations for rug integers9,618MIT OR Apache-2.0
rug-gmpmeeRust FFI bindings for GMPMEE4,557LGPL-3.0+
rug-mathsrug wrapper implementing maths-traits9,695AGPL-3.0
rug-miller-rabinA multi-threaded, arbitrary precision implementation of the Miller-Rabin primality test using rug (GMP).5,978LGPL-3.0+
rug-polynomialPolynomial arithmetic, built on Rug & FLINT18,262MIT OR Apache-2.0
rug2dOpenGL-backed library for creating GUIs and other 2d graphical applications3,382Apache-2.0
rug_calcA Rug-powered scientific computing engine featuring high-performance, arbitrary-precision numerical evaluation.226MIT
ruga_guessing_gameadd doc1,778MIT OR Apache-2.0
rugbyCycle-accurate Game Boy emulation829MIT OR Apache-2.0
rugcovA tool that runs gcov on your project and generates summarized coverage reports.36GPL-3.0-or-later
rugenA library for generating random data based on a data description written in Rune.581non-standard
rugen-cliA command-line tool for generating random data based on a data description written in Rune.296non-standard
rugenereVigenère cipher tool written in rust that can encode, decode and store and read from files.3,873LGPL-3.0-or-later
rugetAlternative to wget written in Rust110,778non-standard
rugfieldA Rust library for generating Gaussian Random Fields using the circulant embedding method6,133MIT
rugfloReplaced by rug: arbitrary-precision integers, rational, floating-point and complex numbers18,852LGPL-3.0+
ruggedA Rust L2TP client.1,486GPL-2.0
ruggersimple and flexible logging crate32MIT
ruggine_ulidCommand line utility to generate and parse a ULID. (https://github.com/ulid/spec)4,648MIT/Apache-2.0
ruggle-engineStructural search for Rust272MIT OR Apache-2.0
ruggle-serverStructural search for Rust121MIT OR Apache-2.0
ruggle-utilUtilities for Ruggle275MIT OR Apache-2.0
rugintReplaced by rug: arbitrary-precision integers, rational, floating-point and complex numbers18,875LGPL-3.0+
rugistryRusty registry for developers1,519Apache-2.0
rugitAn elementary Git implementation in Rust2,319MIT
rugoA command line tool that wraps the hugo command.2,860non-standard
rugpiThis crate has been reserved for Rugpi.1,537MIT OR Apache-2.0
rugpi-adminThis crate has been reserved for Rugpi.1,504MIT OR Apache-2.0
rugpi-bakeryThis crate has been reserved for Rugpi.1,463MIT OR Apache-2.0
rugpi-coreThis crate has been reserved for Rugpi.1,466MIT OR Apache-2.0
rugpi-ctrlThis crate has been reserved for Rugpi.1,494MIT OR Apache-2.0
rugraSmall and simple graphics library.2,510MIT
rugraphSimple undirected, directed and multidirected graph library.12,298non-standard
rugratReplaced by rug: arbitrary-precision integers, rational, floating-point and complex numbers18,471LGPL-3.0+
rugrepgrep implemented in Rust1,317MIT
rugsA WIP Haskell implementation1,553ISC
ruguiReal-time GUI library for games2,267MIT
ruhearA library for capturing audio from the system.2,316Apache-2.0
ruhrA command line world clock7,563MIT
ruhsFind largest files and directories47MIT
ruhvroFast, multi-threaded deserialization of schema-less avro encoded messages2,394MIT
ruiExperimental Declarative UI library34,956MIT
ruicLoad Qt Designer .ui files into Rust code at compile time1,673MIT
ruiceRuntime based dependency injection for Rust.6,346MIT
ruice-axumInjects services in a ruice container into axum controllers.5,821MIT
ruidaFast Rust Library and CLI to control Ruida Laser DSP Machines, with Python bindings833MIT
ruidenRuiden RD power supply modbus wrapper6,165MIT
ruimplA library for rust utility implements1,775MIT
ruinsUser interface library2,875MIT
ruintUnsigned integer type with const-generic bit length23,873,091MIT
ruint-macroThe `uint!` macro for `Uint` and `Bits` literals22,240,808MIT
ruint-uniffiUniFFI bindings for ruint integer types9,350MIT
ruint2Unsigned integer type with cont-generic bit length201,281MIT
ruint2-macroThe `uint!` macro for `Uint` literals202,053non-standard
ruipayRuipay - Mini thirdpart client for rust.1,546MIT
ruipmiAn asynchronous IPMI client library implemented in Rust using Tokio.511MIT OR Apache-2.0
ruisaA light-weighted 2D graphic library.1,666BSD-3-Clause
ruisa-pathBezier path implementation2,118BSD-3-Clause
ruitlTemplate compiler for type-safe, server-rendered HTML components in Rust50MIT OR Apache-2.0
ruitl_compilerParser and code generator for the RUITL (Rust UI Template Language)129MIT OR Apache-2.0
ruitl_lspLanguage server for RUITL templates — diagnostics, formatting, completion, hover, go-to-definition49MIT OR Apache-2.0
ruixA placeholder1,663LGPL-2.1-only
ruixenRuixen - The collaborative AI agent you work WITH, not at. Transform questions into profound insights through thoughtful query…1,584MIT
rujagSimple tool to generate java source files.1,841LGPL-3.0
rujeClojure implementation in Rust858Apache-2.0
rujiraThis module provides an API for working with Jira4,547MIT OR Apache-2.0
rujira-rsInterfaces and utilities for Rujira cosmwasm contracts40Apache-2.0
rukakoWIP GPU renderer. This is dummy crate. This publish is intended to take the name.1,612MIT
rukako-shaderWIP the Shader part of the GPU renderer. This publish is intended to take the name.1,678MIT
rukeA dead-simple automation tool. Inspired by Makefile and Justfile.12,930MIT
ruke_cliA dead-simple automation tool.1,185MIT
ruke_coreThe core library of Ruke.1,211MIT
rukkoA Rust library for communicating with JVM-based Pekko actors457MIT
ruknetHighly accurate reimplementation of the RakNet protocol in Rust2,165MIT
ruktSimple Rust dialect for token-based compile-time scripting4,997MIT OR Apache-2.0
rukuA tiny PaaS. Ruku allows you to do git push deployments to your own servers.1,332MIT
rulaA program to reverse input, and a library with string utilities2,519
rulakeruLake — vector-native federation intermediary over heterogeneous backends (ADR-155)31MIT OR Apache-2.0
rulcAn easy to use calculator with REPL and TUI modes129GPL-3.0-or-later
ruleA rule engine written in rust.10,615MIT
rule30Pseudo random number generator with cellular automaton rule 30.8,156Apache-2.0
rule_kitA fast, composable, and DSL-friendly rule engine kit for Rust.953Apache-2.0
rule_rsA lightweight rule engine implemented in Rust that supports asynchronous execution, component extension, and rule chain…2,122MIT
ruleasyA really simple rule engine.4,962MIT
rulecc上帝工具箱340MIT OR Apache-2.0
ruled-labelsUtility to check labels4,724non-standard
ruled-routerA high-performance router library with derive macro support for Rust1,510MIT OR Apache-2.0
ruled-router-deriveProcedural macros for ruled-router1,713MIT OR Apache-2.0
rulekitTOML rule parsing, validation, linting, indexing, and merge utilities for scan patterns24MIT
rulemorphYAML-based declarative data transformation engine for CSV/JSON to JSON121MIT
rulerA straight-forward, general-purpose build tool9,684MIT
rulesAn implementation of Perl 6 regex rules7,440Unlicense/MIT
rules_derivesimple and fast derive macros using macro_rules917MIT
rulesetMonotonic chart parsing.882MPL-2.0
ruleset-macrosThis crate shouldn't be used directly. Check `ruleset`.1,117MPL-2.0
ruleset-playgroundplayground245MIT
ruleset-playground-deriveplayground350MIT
ruleshubRulesHub CLI — install, publish, and manage AI coding tool assets179MIT
rulestewardOperator tooling for RHEL hardening — fapolicyd, SELinux, auditd modules. Placeholder; real release in development.15Apache-2.0
rulesxpMulti-language rules expression evaluator supporting JSONLogic and Scheme with strict typing2,322MIT
ruletA rusty figlet implementation2,340MIT
rulexDEPRECATED: Use pomsky instead. A new regular expression language13,174MIT OR Apache-2.0
rulex-binDEPRECATED: Use pomsky-bin instead. Compile rulex expressions, a new regular expression language8,805MIT OR Apache-2.0
rulex-macroDEPRECATED: Use pomsky-macro instead. Macro for converting pomsky expressions to regexes7,505MIT OR Apache-2.0
rulibreA lightweight TUI replacement for Calibre's interface — browse your library and transfer books to your e-reader79MIT
rulidRust Universally Unique Lexicographically Sortable Identifier5,989non-standard
rulinalgA linear algebra library.767,186MIT
rullamarullama — the agent framework; build any AI application in Rust191MIT OR Apache-2.0
rullama-a2aAgent-to-Agent (A2A) protocol — JSON-RPC, REST, and gRPC bindings35MIT OR Apache-2.0
rullama-agentAgent coordination primitives + multi-agent patterns for the rullama agent framework — communication hub, file/resource locks,…38MIT OR Apache-2.0
rullama-call-policyResilience middleware (retry, circuit breaker, budget, cache, error classification) for the rullama agent framework46MIT OR Apache-2.0
rullama-coreCore types, traits, and error handling for the rullama agent framework179MIT OR Apache-2.0
rullama-datasetsTraining data pipelines for rullama: JSONL I/O, tokenization, dedup, format conversion (Alpaca / ChatML / OpenAI / ShareGPT /…35MIT OR Apache-2.0
rullama-evalEvaluation harness for the rullama agent framework — fixtures, regression suites, stability tests, adversarial cases, ranking…27MIT OR Apache-2.0
rullama-finetuneCloud fine-tune APIs (OpenAI, Anthropic, Together, Fireworks, Anyscale, Bedrock, Vertex AI) for the rullama agent framework.…160MIT OR Apache-2.0
rullama-hardwareHardware I/O for rullama — audio, GPIO, Bluetooth, and network27MIT OR Apache-2.0
rullama-inferenceLLM-driven workhorses for the rullama agent framework — chat agent, planner / judge / validator helpers, task agent, cycle…30MIT OR Apache-2.0
rullama-knowledgeKnowledge layer — knowledge graphs, BKS/PKS, brain client, entity extraction for the rullama agent framework. RAG / spectral /…49MIT OR Apache-2.0
rullama-mcp-clientMCP client, transport, and protocol types for rullama50MIT OR Apache-2.0
rullama-mcp-serverMCP server framework with middleware pipeline for rullama27MIT OR Apache-2.0
rullama-mdapMulti-Dimensional Adaptive Planning (MAKER voting framework) for the rullama agent framework — k-out-of-n voting, recursive…35MIT OR Apache-2.0
rullama-memoryTiered hot/warm/cold agent memory orchestration for the rullama agent framework — `TieredMemory` multi-factor adaptive search…27MIT OR Apache-2.0
rullama-networkAgent-to-agent networking — IPC, remote bridge, mesh networking, routing, and discovery for rullama27MIT OR Apache-2.0
rullama-permissionPermission policies, audit logging, and trust profiles for rullama44MIT OR Apache-2.0
rullama-promptingAdaptive prompting techniques, K-means task clustering, and temperature optimization for the rullama agent framework34MIT OR Apache-2.0
rullama-providerLLM provider implementations (Anthropic, OpenAI Chat + Responses, Google Gemini, Ollama, Bedrock, Vertex AI, local llama.cpp) for…41MIT OR Apache-2.0
rullama-provider-speechSpeech (TTS / STT) provider clients for the rullama agent framework — Azure Speech, Cartesia, Deepgram, ElevenLabs, Fish Audio,…34MIT OR Apache-2.0
rullama-ragCodebase indexing + hybrid retrieval (vector + BM25) for the rullama agent framework. Includes AST-aware chunking via tree-sitter…40MIT OR Apache-2.0
rullama-reasoningLayer 3 reasoning — plan/output parsers + provider-agnostic local-inference scorers (router, complexity, relevance, retrieval,…27MIT OR Apache-2.0
rullama-sandboxContainer-based sandboxing (Docker/Podman/host) for tool execution in the rullama framework27MIT OR Apache-2.0
rullama-sealSelf-Evolving Agentic Learning (SEAL) for rullama — coreference resolution, query-core extraction, learned-pattern store…30MIT OR Apache-2.0
rullama-skillsSKILL.md skills system for rullama — manifest parsing, registry, smart routing, sandboxed execution. Optional ed25519 manifest…30MIT OR Apache-2.0
rullama-storageBackend-agnostic storage, tiered memory, and document management for the rullama agent framework87MIT OR Apache-2.0
rullama-storesOpinionated minimum data-store set for the rullama agent framework — sessions, conversations, tasks, plans, locks, images, and…42MIT OR Apache-2.0
rullama-telemetryUnified telemetry for rullama — analytics events, SQLite persistence, cost/usage queries, and a `BillingHook` trait consumed by…84MIT OR Apache-2.0
rullama-tool-builtinsBuilt-in concrete tools for the rullama agent framework — bash, file_ops, git, web, search, code_exec, semantic_search, browser,…44MIT OR Apache-2.0
rullama-tool-runtimeTool execution runtime for the rullama agent framework — executor trait, registry, error taxonomy, sanitization, validation,…76MIT OR Apache-2.0
rullmTODO461non-standard
rullm-coreTODO466non-standard
rullocGeneral purpose memory allocator1,596non-standard
rullstThe Full-Stack Web Framework for Rust Language745MIT
rullst-connectOAuth2 Social Login for Rust web frameworks.1,063MIT
rullst-macrosJSX-like compilation macros for Rullst framework941MIT
rullst-ormFast, un-opinionated, database-agnostic ORM for Rust2,268MIT
rullst-orm-macrosProcedural macros for the rullst-orm ORM.2,391MIT
rullst-pressA blazingly fast, native Rust Static Site Generator for premium Markdown documentation.40MIT
rulocA fast, single-purpose CLI tool to analyze Rust codebase metrics with test/production breakdowns743MIT
rulonRULON is UVM Log Navigator.1,142MIT OR Apache-2.0
ruloomA thin wrapper around 'corosensei' that provides support for stackful coroutines in Rust (like Loom in Java or goroutines in…2,702MIT OR Apache-2.0
ruloxA lightweight scripting language embedded in Rust.19,887MIT
rulox_macroA macro for embedding Lox in Rust.13,505MIT
rulox_typesHelper types for the rulox crate.12,993MIT
rulpA library providing functionality to parse, create and solve linear programming problems.2,053MIT
rultirassAuth service paterned after the golang multipass453MIT
rulyparser generator from context free grammar23,222MIT OR Apache-2.0
ruly2parser generator from context free grammar11,533MIT
rumAn implementation of the Cloud Foundry lager logging system for Rust.2,553
rum-codea fast coding agent for the terminal106MIT
rum-playerTUI-based music player9,503WTFPL
rum_frameworkA toy web framework inspired by gin-gonic and express-js.1,546MIT
rumaTypes and traits for working with the Matrix protocol.795,802MIT
ruma-apiDeprecated: crate merged into ruma-common120,764MIT
ruma-api-macrosDeprecated: crate merged into ruma-macros122,910MIT
ruma-appservice-apiTypes for the endpoints in the Matrix application service API.54,305MIT
ruma-clientA Matrix client library.56,337MIT
ruma-client-apiTypes for the endpoints in the Matrix client-server API.733,722MIT
ruma-commonCommon types for other ruma crates.900,426MIT
ruma-eventsSerializable types for the events in the Matrix specification.688,850MIT
ruma-events-macrosDeprecated: crate merged into ruma-macros103,052MIT
ruma-federationThis crate does not exist5,750MIT
ruma-federation-apiTypes for the endpoints in the Matrix server-server API.555,737MIT
ruma-htmlOpinionated HTML parsing and manipulating.394,687MIT
ruma-identifiersDeprecated: crate merged into ruma-common142,933MIT
ruma-identifiers-macrosDeprecated: crate merged into ruma-macros74,990MIT
ruma-identifiers-validationValidation logic for ruma-common and ruma-macros874,430MIT
ruma-identity-service-apiTypes for the endpoints in the Matrix identity service API.25,243MIT
ruma-leanFormally verified, dependency-free Matrix State Resolution v2 logic.517MIT OR Apache-2.0
ruma-macrosProcedural macros used by the Ruma crates.816,538MIT
ruma-push-gateway-apiTypes for the endpoints in the Matrix push gateway API.56,481MIT
ruma-serdeDeprecated: crate merged into ruma-common89,023MIT
ruma-serde-macrosDeprecated: crate merged into ruma-macros68,795MIT
ruma-server-utilUtilities for implementing Matrix server applications.13,109MIT
ruma-signaturesDigital signatures according to the Matrix specification.380,547MIT
ruma-state-resAn abstraction for Matrix state resolution.114,938MIT
rumageA simple framework for making simple markdown sites11,751MIT
rumakerumake is a task runner written that tries to stay close to the shell.
It uses YAML configuration, has task referencing and…1,803Unlicense
rumatuiA click-able command-line Matrix client.7,578MIT/Apache-2.0
rumatui-tuiA library to build rich terminal user interfaces or dashboards6,497MIT
rumaxRust client for the internal Max Messenger API47MIT
rumba-coreCore library for MBA (Mixed Boolean-Arithmetic) expression simplification21MIT
rumbleA Rust Bluetooth Low Energy (BLE) central module
library, currently supporting Linux/Bluez14,123MIT/Apache-2.0
rumble-cliBlazingly fast Jumble and anagram solver39MIT
rumblebarsa handlerbars template expansion library9,689MIT/Apache-2.0
rumblebars-rustlexLexical analysers generator for Rust, written in Rust (crate dedicated to rumblebars, divergences written by Nicolas Cherel)3,962MIT
rumblebars-rustlex_codegenSyntex extension for RustLex2,462MIT
rumblrTumblr APIs Client12,144MIT/Apache-2.0
rumbo_http_clientA minimal HTTP client library for basic requests1,055MIT OR Apache-2.0