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.
reporting-apiReporting API and Network Error Logging5,931Apache-2.0
reportmeA metrics crate used in build environment. Used to know the actual usage of your crates.11,775MIT
reportportal_common_apiA client and server bindings library for ReportPortal gRPC. Attention: This library is still in development!6,964Apache-2.0
repospostgres repository implementation.14,635MIT
repos-driveA local read-only mirror of your GitHub repos, exposed as $REPO_X environment variables20MIT OR Apache-2.0
repos-toolA simple command line tool to manage local repositories.7,370MIT/Apache-2.0
reposcanCommand line tool for discovering local git repositories and keeping track of local and remote changes collectively.3,590Apache-2.0
reposcopeRender repo insight visuals (star history, contributors wall) as self-contained SVGs for your README. Built for GitHub Actions.14non-standard
reposcrapeRepository scraper for presenting repositories on a personal website5,109MIT OR Apache-2.0
reposcry-cacheSQLite cache layer for RepoScry code graph indexing and AI-agent workflows.151MIT
reposcry-cliRust-native repository graph CLI for AI coding agents.36MIT
reposcry-contextAI context pack generation for RepoScry code graph workflows.83MIT
reposcry-gitGit diff and repository change detection helpers for RepoScry.106MIT
reposcry-graphCore graph model for RepoScry, a local code review graph engine for AI agents.187MIT
reposcry-indexerRepository scanner and AST parser engine for RepoScry code graph indexing.127MIT
reposcry-reportReport generation for RepoScry code graph analysis and AI-agent workflows.57MIT
reposcry-rulesRule and policy helpers for RepoScry code graph analysis and AI-agent workflows.107MIT
reposeArch linux repository and package utilities2,202GPL-2.0+
repose-appEmbeddable Repose runtime with composition, input handling, and frame output18LGPL-2.1-or-later
repose-canvasImmediate-mode canvas utilities for Repose1,169LGPL-2.1-or-later
repose-coreRepose's core runtime, view model, signals, composition locals, and animation clock.4,475LGPL-2.1-or-later
repose-devtoolsRepose developer tools for debugging.2,432LGPL-2.1-or-later
repose-dockingDocking layout system (split panes + tabs + drag & drop) for Repose834LGPL-2.1-or-later
repose-macrosWip macros for repose2,282LGPL-2.1-or-later
repose-materialMaterial components for Repose1,711LGPL-2.1-or-later
repose-navigationNavigation (Nav3-like) for Repose2,031LGPL-2.1-or-later
repose-platformPlatform runners (winit Desktop, Android and Web)2,136LGPL-2.1-or-later
repose-render-wgpuRepose wgpu handler2,415LGPL-2.1-or-later
repose-textText handling (parley + swash based font & layout engine)4,203LGPL-2.1-or-later
repose-treePersistent view tree with incremental updates for Repose2,875LGPL-2.1-or-later
repose-uiUI widgets and libs for Repose3,681LGPL-2.1-or-later
repositeLightweight maven repository manager written in Rust programming language.2,765GPL-3.0
repositoryA repository for all kinds of entities.19,148MIT OR Apache-2.0
reposituiGeneral purpose version control TUI489Apache-2.0
reposix-cacheOn-disk bare-repo cache built from REST responses; lazy blob materialization for git partial-clone.805MIT OR Apache-2.0
reposix-clireposix CLI orchestrator: init, sim, list, refresh, spaces.721MIT OR Apache-2.0
reposix-confluenceConfluence Cloud BackendConnector implementation for reposix.815MIT OR Apache-2.0
reposix-coreShared types for reposix: BackendConnector trait, Record/Project/RemoteSpec, Tainted<T>.1,044MIT OR Apache-2.0
reposix-githubGitHub Issues BackendConnector implementation for reposix.818MIT OR Apache-2.0
reposix-jiraJIRA Cloud BackendConnector implementation for reposix.812MIT OR Apache-2.0
reposix-qualityQuality Gates dimension verifier suite for reposix -- doc-alignment + walk + run + verify.602MIT OR Apache-2.0
reposix-remotegit-remote-reposix binary: stateless-connect + export protocol helper for reposix backends.724MIT OR Apache-2.0
reposix-simIn-process axum-based simulator of an issue-tracker REST API for reposix testing.800MIT OR Apache-2.0
reposnapCatalog git repositories under a directory and emit per-repo state, tech stack, and metadata.71MIT OR Apache-2.0
repotabloRank repositories, fast!39GPL-3.0-only
repotoireGraph-powered code analysis CLI. 110 detectors for security, architecture, bus factor, and code quality.1,150Apache-2.0
repotoolsShort names, big time savings. Repotools is a collection of commands with short but meaningful names, for the git operations you…24,029ISC
repoutilWrapper around my common git commands10,487GPL-3.0-only
repoverlayOverlay config files into git repositories without committing them688MIT
repoverseMulti-repo workspace tool: keep many git repos in sync and roll changes up across dependency boundaries303Apache-2.0
repoxtrait framework for data repository patterns16MIT
repox_derivetrait framework for data repository patterns42MIT
repoyankInteractively traverse your repository, select files/directories, and quickly prepare structured snippets for LLM interactions.1,641GPL-3.0-or-later
reprThe regular-expression-as-linear-logic interpretation and its implementation21,233MIT/Apache-2.0
repr-c-implImplementation detail of the repr-c crate1,625MIT OR Apache-2.0
repr-discriminantTrait to retrieve the discriminant of an enum variant with a repr(T) at runtime3,201MIT
repr-discriminant-deriveDerive macro to generate a method to access the discriminant of an enum variant with a repr(T) at runtime1,526MIT
repr-rsA library for representation invariants with caching and parallelism support.8,562MPL-2.0
repr-sizeErgonomic functions to display a count of bytes to an end user.5,311MIT OR Apache-2.0
repr-traitTraits to represent Rust reprs3,886MIT
repr-trait-deriveDerive macros for working with repr-trait4,657MIT
repr-with-fallbackAutomatically generate From and Into impls for enums with custom discriminant values and a fallback variant. Useful for parsing…4,149MIT
repr_c#[repr(C)] equivalents of stdlib pervasive types for easier FFI1,702MIT
repr_c_pub_structA library for extracting `#[repr(C)] pub struct`ures.2,803MIT OR Apache-2.0
repr_c_wrapperOpaque `#[repr(C)]` wrapper that can be passed by value over FFI2,637MIT OR Apache-2.0
repr_castA procedural macro that enhances fieldless enums with proper conversions between enum variants and their integer representation…46MIT OR Apache-2.0
repr_fitsCompile-time bit-width checks for enum discriminants.11MIT
repr_offsetOffsets of fields for types with a stable layout.3,451,628Zlib
repr_offset_deriveFor deriving the offsets of fields for types with a stable layout.12,045Zlib
repressurizer-integrationSchema-first Repressurizer snapshot contract and Rust helpers for library receivers.40GPL-3.0-only
reprfnattribute macro for easyer define external functions1,015Apache-2.0
reproSupport crate for cargo-repro, a tool for building and verifying
Rust packages that are reproducible byte-for-byte…2,379Apache-2.0 OR MIT
repro-envDependency lockfiles for reproducible build environments 📦🔒10,992MIT OR Apache-2.0
repro-thresholdThreshold-based Reproducible Builds pluggable transport using your trusted rebuilders83Apache-2.0 OR MIT-0
reproducibleUtilities for reproducible accuracy and benchmark reporting in Rust projects341BSD-3-Clause
reproducible-macrosProcedural macros for the `reproducible` crate366BSD-3-Clause
reproducible-panicpanic hook with reproducible output641BSD-2-Clause
reprotoreproto compiler49,285MIT/Apache-2.0
reproto-aststructures for the reproto AST38,819MIT/Apache-2.0
reproto-backendRethinking Protocol Generators40,430MIT/Apache-2.0
reproto-backend-csharpRethinking Protocol Generators21,489MIT/Apache-2.0
reproto-backend-docRethinking Protocol Generators35,056MIT/Apache-2.0
reproto-backend-goRethinking Protocol Generators12,858MIT/Apache-2.0
reproto-backend-javaRethinking Protocol Generators35,429MIT/Apache-2.0
reproto-backend-jsRethinking Protocol Generators34,155MIT/Apache-2.0
reproto-backend-jsonRethinking Protocol Generators34,315MIT/Apache-2.0
reproto-backend-pythonRethinking Protocol Generators33,990MIT/Apache-2.0
reproto-backend-reprotoRethinking Protocol Generators
reproto backend for reproto
this crate writes a schema out as a schema again.22,494MIT/Apache-2.0
reproto-backend-rustRethinking Protocol Generators33,901MIT/Apache-2.0
reproto-backend-swiftRethinking Protocol Generators20,118MIT/Apache-2.0
reproto-compileRethinking Protocol Generators
Programmatic compilation.19,782MIT/Apache-2.0
reproto-coreRethinking Protocol Generators46,746MIT/Apache-2.0
reproto-deriveRethinking Protocol Generators
Derives a reproto schema from an existing JSON.24,737MIT/Apache-2.0
reproto-envRethinking Protocol Generators
Environment base3,469MIT/Apache-2.0
reproto-languageserverLanguage Server for Reproto2,860MIT/Apache-2.0
reproto-lexerlexer used with the reproto parser38,056MIT/Apache-2.0
reproto-manifestRethinking Protocol Generators35,772MIT/Apache-2.0
reproto-namingRethinking Protocol Generators
Naming Utilities.29,897MIT/Apache-2.0
reproto-parserreproto parser42,378MIT/Apache-2.0
reproto-path-lexerpath lexer used with the reproto parser37,651MIT/Apache-2.0
reproto-path-parserreproto path parser35,398MIT/Apache-2.0
reproto-repositoryreproto repository36,932MIT/Apache-2.0
reproto-repository-httpHTTP support for reproto repository client21,592MIT/Apache-2.0
reproto-semckRethinking Protocol Generators
Checks that changes to a manifest does not violate semantic versioning.27,245MIT/Apache-2.0
reproto-semverRethinking Protocol Generators
Semantic Versioning Parts41,432MIT/Apache-2.0
reproto-serverreproto repository server32,657MIT/Apache-2.0
reproto-transRethinking Protocol Generators
Transpiler utilities.28,792MIT/Apache-2.0
repsA terminal-based, local-only spaced repetition tool that stores cards in a plain text file.15MIT OR Apache-2.0
repsheet_etlETL tools for repsheet7,891Apache-2.0
reptarCLI program for wrapping text.113MIT
reptil-en-peligroA terminal-based Snake game in Rust using ratatui/crossterm with a stylish banner, square fruits, and smooth gameplay.740MIT
reptrLocal-first pentest report generator: Markdown findings -> HTML/JSON/DOCX/PDF.18MIT OR Apache-2.0
repubA tool to convert markdown documents to epub.11,858MIT
repub-rsRust library and binary for converting mhtml webpages into remarkable-style summarized epubs5,798MIT
republicAn experimental web framework and new idea playground.1,704MIT/Apache-2.0
republican-calendarA Rust library for the French Republican Calendar309MIT
repugnant-pickleLow effort scraping for Python pickle format files, including some support for loading PyTorch checkpoints4,761Apache-2.0
repunitRepunit Generation Library for Rust.8,673MIT
reputation-coreCore calculation engine for the KnowThat Reputation System with advanced scoring algorithms500MIT OR Apache-2.0
reputation-typesCore types and data structures for the KnowThat Reputation Engine714MIT OR Apache-2.0
repvarA tiny CLI tool that replaces variables of the style `${KEY}`
in text with their respective value.
It can also be used as…19,758AGPL-3.0-or-later
reqCommand line http client (like curl). Easier formatting to send JSON bodies, smarter defaults, and more, when compared to curl.11,333MIT
req-cliManaged requirements CLI for LLM agents and humans488MIT
req_Extract message form headers only once for one request ( support async and sync ) / 一个请求只提取一次消息, 支持异步和同步13,991MulanPSL-2.0
req_itA graphical multi-tab HTTP client1,489MIT OR Apache-2.0
reqbitA bitcore core RPC API4,273MIT
reqbookReqbook is executable API documentation for humans, CI, and coding agents.96Apache-2.0
reqchanThis is a channel for requesting and receiving data. Each channel has only one requesting end, but it can have multiple…10,766MIT/Apache-2.0
reqif-rsLibrary for writing ReqIF files3,968AGPL-3.0-or-later
reqkeyOfficial Rust SDK for ReqKey API key validation, credit metering, and analytics15MIT
reqkitProduction-focused client-side HTTP requester (hyper + rustls): HTTPS-only, pooling, timeouts, body caps, gzip/deflate/br…46MIT OR Apache-2.0
reqlA native ReQL driver96,195MIT/Apache-2.0
reql-deriveDEPRECATED: use reql-macros12,740MIT/Apache-2.0
reql-ioReQL IO implementation4,959MIT/Apache-2.0
reql-macrosMacros for the reql crate25,903MIT/Apache-2.0
reql-typesSome useful types to use along with the reql crate27,796MIT/Apache-2.0
reqlang-exprA tiny (bytecode compiled, stack VM interpreted) expression language for reqlang's templating engine.4,043MIT
reqlessSoon...1,618MIT
reqlySimple, proper API testing and development1,414AGPL-3.0
reqmd_appapplication library interface for reqmd155MIT
reqmd_astast library interface for reqmd360MIT
reqmd_cliCLI tool for reqmd78MIT
reqmd_corelibrary interface for all reqmd domain code300MIT
reqmd_httphttp library interface for reqmd423MIT
reqmd_tuiTUI tool for reqmd72MIT
reqoresOversimplified http request/response abstraction layer11,426MIT
reqores-client-surfreqores client implementation with surf5,779MIT
reqores-universal-cf-workerreqores implementation for Cloudflare Workers6,106MIT
reqqA tool for sending predefined HTTP requests in your projects.10,145MIT
reqrayLog 'request x-rays' for rust programs instrumented with `tracing`.15,515MIT OR Apache-2.0
reqresA pure Rust async HTTP client library based on Tokio with HTTP/2, connection pooling, proxy, cookie, compression, benchmarks, and…128,649MIT
reqrioA lightweight, high-performance, fingerprint-based HTTP request library.945non-standard
reqrio-jsonreqrio json lib527Apache-2.0
reqrnpdnoCrate para consumir los datos públicos de desaparecidos en México6,495MIT
reqrsReqIF (Requirements Interchange Format) parsing and unparsing library — byte-identical round-trip port of strict-doc-reqif39Apache-2.0
reqrs-cliCLI for reqrs — ReqIF (Requirements Interchange Format) passthrough, format, anonymize, dump, and validate subcommands19Apache-2.0
reqsReqs is a command-line tool for massive sending requests478MIT
reqsignSigning HTTP requests for AWS, Azure, Google, Huawei, Aliyun, Tencent and Oracle services13,307,352Apache-2.0
reqsign-aliyun-ossAliyun OSS signing implementation for reqsign.595,914Apache-2.0
reqsign-aws-v4AWS SigV4 signing implementation for reqsign.2,311,219Apache-2.0
reqsign-azure-storageAzure Storage signing implementation for reqsign.876,535Apache-2.0
reqsign-command-execute-tokioTokio-based command execution implementation for reqsign1,201,951Apache-2.0
reqsign-coreSigning API requests without effort.2,996,310Apache-2.0
reqsign-file-read-tokioTokio-based file reader implementation for reqsign2,775,832Apache-2.0
reqsign-googleGoogle Cloud Platform signing implementation for reqsign.1,154,977Apache-2.0
reqsign-http-send-reqwestReqwest-based HTTP client implementation for reqsign.1,453,122Apache-2.0
reqsign-huaweicloud-obsHuawei Cloud OBS signing implementation for reqsign.284,228Apache-2.0
reqsign-oracleOracle Cloud signing implementation for reqsign.934Apache-2.0
reqsign-tencent-cosTencent Cloud COS signing implementation for reqsign.416,812Apache-2.0
reqsign-volcengine-tosVolcengine TOS signing implementation for reqsign.173,008Apache-2.0
reqsketchRelative Error Quantiles sketch711MIT OR Apache-2.0
reqtAn HTTP request manager, providing high level features to connect to a web API and handle requests.33non-standard
reqtlsA tls lib1,049non-standard
reqtraceA Simple command-line tool for real-time network activity monitoring, connection tracing, and network access control of any…3,935MIT
reqtuiA tui application for doing HTTP requests29MIT
requeasyThis library is for pratice right now9,315MIT
requestRequest29,274Apache-2.0
request-channelAsync MPSC request-reponse channel2,709MIT/Apache-2.0
request-clientThis is a request client library that provides a traversal method1,487MIT OR Apache-2.0
request-httpSend http or https request.2,660MIT/Apache-2.0
request-http-parserA simple library for parsing http request string to a model.2,913MIT
request-idA few common request id implementations for use with tower-http6,734MIT OR Apache-2.0
request-logging-proxyA simple HTTP proxy that logs requests and responses293non-standard
request-pretreatRequest Pretreatment for Actix2,906MIT
request-rate-limiterRequest rate limiting with adaptive algorithms for controlling request throughput830MIT OR Apache-2.0
request-responseTetsy Generic Request/Response Protocols5,149MIT
request-shadowAsync request mirroring with sampling, divergence detection, and structured response diffs. SRE bread-and-butter for safe…19MIT
request-window-attention在 windows 系统，根据窗体“标题名”闪烁窗体的任务栏图标来请求用户注意8,568MIT
request_coalescerAn asynchronous request coalescing library for Rust575MIT OR Apache-2.0
request_compilerRequest Compiler Optimized for Batching Requests500BSD-3-Clause
request_id_middlewareCustom extractor for Rust Axum to extract the request id from an HTTP header X-Request-Id.2,254non-standard
request_smugglerHttp request smuggling vulnerability scanner3,534GPL-3.0-or-later
requestr-cliCLI tool to store, share and run http request templates easily1,637non-standard
requestr-coreCore lib for tools to store, share and run http request templates easily2,500non-standard
requestsRust HTTP client API styled after awesome Python requests - [WORK IN PROGRESS]199,300MIT
requests2simple http client by rust21,109non-standard
requests_rsA simple library for sending GET/POST requests and parsing jsons, included with an async file downloader. Intended for mostly…11,835BSD-2-Clause
requesttyAn easy-to-use collection of interactive cli prompts389,974MIT
requestty-macroThe `questions` macro for `requestty`62,006MIT
requestty-uiA widget based terminal ui rendering library.389,411MIT