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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.

author-axumAuthor web integrations for Axum932MIT author-parserParse an npm person string (Name <email> (url)) into name, email, and url parts39MITParser implementationsParsing tools author-webCommon code for Author web integrations1,161MIT authoraOfficial Rust SDK for the Authora agent authorization platform177MITAPI bindingsAuthentication authorityWIP: An OpenID connect based Identity-Provider2,006BSD-2-Clause authority-delegationTyped delegated-authority surface crate with bounded lease and policy artifacts; not an access-control runtime96MIT authority-roundNon-instant BFT proof-of-authority blockchain engine3,950GPL-3.0 authorizationA Role Based Access Control (RBAC) library5,675MITWeb programming::HTTP client authorization-bridgeAn Actix Web middleware for authenticating HTTP requests through a remote API. It validates Authorization headers or cookies and…200MITAuthenticationWeb programming::HTTP server authorization-deriveProcMacro used by Reqt167non-standard authorizeLibrary with generic authorization routines.9,939MIT/Apache-2.0 authorizedAuthorized struct's fields3,341MIT authorized-keys-mergerMerge two authorized_keys files and write to stdout5,616MIT authorized_deriveDerive for authorized crate2,754MIT authorized_keysParse and manipulate OpenSSH `authorized_keys` files7,617MIT OR Apache-2.0ConfigurationParser implementations authorizer-cli-testCLI tool for authorizer1,681MIT OR Apache-2.0Command line utilities authorsPrint and format authors from ["name <email>"] lists36MIT OR Apache-2.0 authoscopeScriptable network authentication cracker3,401GPL-3.0Command line utilities authotronAuthentication and authorization gateway for web APIs. Validates credentials from multiple providers, enriches users with roles,…149Apache-2.0AuthenticationNetwork programming authotron-typesShared authentication DTOs for the auth-o-tron ecosystem.98Apache-2.0 authressThe Authress SDK for RUST - provides authorization as a service with fully compatible REST apis. Authentication / Authorization /…50,868Apache-2.0API bindingsAuthentication authropodPasswordless auth service1,772MPL-2.0AuthenticationWeb programming authrsA comprehensive authentication library for Rust345MITAuthenticationCryptography authsDecentralized identity for developers — cryptographic commit signing with Git-native storage218Apache-2.0AuthenticationCryptography auths-anchorAuths Witness Network protocol core: spend-anchor acceptance, duplicity proofs, threshold finalization, and freshness73Apache-2.0 auths-apiAuths organization control-plane API server binary184Apache-2.0 auths-cliCommand-line interface for Auths decentralized identity system192Apache-2.0AuthenticationCommand line utilities auths-coreCore cryptography and keychain integration for Auths1,391Apache-2.0AuthenticationCryptography auths-cryptoCryptographic primitives for Auths: KERI key parsing and DID:key encoding2,187Apache-2.0Cryptography auths-evidenceThe single trust implementation behind Auths evidence bundles: spend re-derivation, chain resolution, anchored per-call/per-log…130Apache-2.0Authentication auths-idMulti-device identity and attestation crate for Auths991Apache-2.0AuthenticationCryptography auths-indexSQLite-backed index for O(1) attestation lookups648Apache-2.0Database interfaces auths-infra-gitGit client adapter for Auths - enables communication with Auths services over Git407Apache-2.0Development tools auths-infra-httpHTTP client adapter for Auths - enables communication with Auths services over HTTP971Apache-2.0Web programming::HTTP client auths-infra-rekorRekor transparency log adapter for Auths235Apache-2.0 auths-jwtShared JWT claim types for the Auths identity system366Apache-2.0Authentication auths-keriKERI protocol types, SAID computation, and validation1,281Apache-2.0CryptographyEncoding auths-mcp-coreReusable per-tool-call enforcement for the bounded-agent MCP gateway: scope ⊆ parent, quantitative budget, expiry, revocation,…220Apache-2.0Authentication auths-mcp-gatewayThe bounded-agent MCP gateway: a real-MCP (rmcp) proxy that brokers each tools/call through auths-mcp-core's per-call gate,…140Apache-2.0AuthenticationCommand line utilities auths-mcp-serverReference MCP tool server with Auths-backed JWT and KERI-presentation authorization216Apache-2.0AuthenticationWeb programming auths-oidc-portOIDC port abstractions for Auths identity system814Apache-2.0 auths-pairing-daemonEmbeddable LAN pairing daemon for Auths - HTTP server, rate limiting, mDNS discovery333Apache-2.0AuthenticationNetwork programming auths-pairing-protocolTransport-agnostic pairing protocol for auths identity system1,316Apache-2.0Cryptography auths-policyPolicy expression engine for Auths - composable authorization logic1,138Apache-2.0Authentication auths-receiptsPortfolio 1 — accountability & dispute: the receipts/dispute-evidence MCP server, the non-custodial escrow MCP server, and the…79Apache-2.0Authentication auths-rpAuths relying-party transport: agent-passport request authentication606Apache-2.0 auths-scimSCIM 2.0 resource types and protocol logic for Auths agent provisioning299Apache-2.0Authentication auths-scim-serverSCIM 2.0 provisioning server for Auths — directory lifecycle wired to KERI identity234Apache-2.0Web programming auths-sdkApplication services layer for Auths identity operations767Apache-2.0AuthenticationCryptography auths-storageStorage backends for Auths identity system — Git and SQL adapters713Apache-2.0Database interfaces auths-telemetryTelemetry and metrics for Auths components.1,004Apache-2.0Development tools auths-transparencyAppend-only transparency log types, Merkle math, and tile storage for Auths962Apache-2.0CryptographyData structures auths-utilsInternal shared utilities for the Auths workspace876Apache-2.0 auths-verifierMinimal-dependency attestation verification library for Auths - supports FFI and WASM1,897Apache-2.0AuthenticationCryptography auths-witnessSlim, hardened KERI rct-witness server binary over the shared auths-core witness library131Apache-2.0CryptographyNetwork programming auths-witness-nodeOperator orchestration for running a hardened witness node: embedded standup manifest, key custody policy, and the node's health…132Apache-2.0CryptographyNetwork programming authsocketBRC-103 mutually-authenticated Socket.IO for Rust — a faithful port of the TS @bsv authsocket / authsocket-client, sharing one…101MIT OR Apache-2.0 authsomeLocal credential vault CLI — ChaCha20-Poly1305 encryption, Argon2id key derivation, session agent17MITCommand line utilitiesCryptography authtasticAuthtastic CLI1,291AGPL-3.0-only authupAuthentication & Authorization Framework1,574MIT authvaderOfficial Rust SDK for AuthVader Identity Platform - Coming Soon22non-standardAuthenticationWeb programming authvaultAuthentication and authorization vault with multi-provider support19MIT OR Apache-2.0AuthenticationWeb programming authx-axumAxum integration for authx-rs: Tower middleware, session management, CSRF, rate limiting, and route handlers223MITAuthenticationWeb programming authx-cliauthx command-line interface — serve, migrate, and manage users63MITAuthenticationCommand line utilities authx-coreCore authentication primitives for authx-rs: crypto, JWT/EdDSA, RBAC/ABAC, events, and models433MITAuthenticationCryptography authx-dashboardEmbedded admin dashboard for authx-rs64MITAuthenticationWeb programming authx-pluginsAuth plugin collection for authx-rs: email/password, TOTP, magic link, OAuth, API keys, organizations, and more291MITAuthenticationWeb programming authx-storageStorage abstraction layer for authx-rs: repository traits, in-memory store, and PostgreSQL adapter370MITAuthenticationDatabase interfaces authxnauthxn by Shibly Meeran1,592MIT authyBindings for the Authy two factor web service.17,458MIT/Apache-2.0AuthenticationWeb programming::HTTP client authy-cliCLI secrets store & dispatch for AI agents — encrypted vault, scoped policies, run-only tokens, and audit logging111MITCommand line utilitiesCryptography authy-rsA API client for the Twilio Authy REST API.2,112MIT authzPermission-based authorization library10,768Apache-2.0 authz-coreZanzibar-style authorization engine — model parser, resolver, policy traits, and CEL condition evaluation255Apache-2.0Authentication authz-sdk-rustsdk that client's authentication and authorization5,810MIT authzedrust client for authzed.com1,870Apache-2.0AsynchronousNetwork programming authzenA framework for easily integrating authorization into backend services.1,651MIT OR Apache-2.0Web programming authzen-coreCore authorization primatives and service integrations used in authzen.2,174MIT OR Apache-2.0Web programming authzen-dieselDiesel utilities used in authzen.3,088MIT OR Apache-2.0Web programming authzen-diesel-coreCore utilities for easier integration of diesel into async backend services.3,610MIT OR Apache-2.0Web programming authzen-diesel-proc-macrosDiesel proc macros used in authzen.3,581MIT OR Apache-2.0Web programming authzen-diesel-proc-macros-coreCore diesel proc macro functions used in authzen.4,059MIT OR Apache-2.0Web programming authzen-opaOpen Policy Agent rest client and endpoints used in authzen.2,627MIT OR Apache-2.0Web programming authzen-proc-macro-utilProc macro utilities used in the authzen crate.5,452MIT OR Apache-2.0Web programming authzen-proc-macrosProc macros used in authzen.2,674MIT OR Apache-2.0Web programming authzen-proc-macros-coreCore proc macro functions used in authzen.3,180MIT OR Apache-2.0Web programming authzen-rsA Rust SDK for the OpenID AuthZEN Authorization API 1.068MITAuthenticationWeb programming authzen-service-utilBackend service utilities.3,180MIT OR Apache-2.0Web programming authzen-sessionUtilities for integrating session management with different web frameworks and support for different session storage backends.3,117MIT OR Apache-2.0Web programming authzooShared functionality for configuration of jwt authentication for Rust services172MIT autkAuditors' Toolkit.28GPL-3.0Command line utilities autoCross-platform UI/input event automation facilities.13,874MIT/Apache-2.0 auto-add-lifetimes-to-implAutomatically add lifetimes to impl given the trait, structure or any arguments have lifetime arguments. Mainly for use in macros1,843MIT auto-allocatorZero-configuration automatic memory allocator selection based on runtime hardware analysis and performance research1,860MIT OR Apache-2.0 OR MPL-2.0Development toolsMemory management auto-api-clientAsync client for auto-api.com — car listings from encar, mobile.de, autoscout24 and more76MITAPI bindingsWeb programming::HTTP client auto-argsParse command line arguments by defining a struct.89,701Apache-2.0/MITCommand-line interface auto-args-deriveParse command line arguments by defining a struct, derive crate.78,817Apache-2.0/MITCommand-line interface auto-binAutomates adding src/bin targets into cargo.toml.629MITDevelopment tools::Cargo plugins auto-bitflagsmacro to automatically generate bitflags.6,848BSD-3-Clause auto-builderA derive macro to implement the builder pattern for any struct3,008MIT auto-builder-coreA derive macro to implement the builder pattern for any struct3,583MIT auto-builder-macroA derive macro to implement the builder pattern for any struct3,296MIT auto-ccA small utility to perform automatic cycle collections with bacon_rajan_cc.3,345MIT auto-check-rs(deprecated) automatically build, check and test code when it changes12,384MIT OR Apache-2.0Command line utilitiesDevelopment tools auto-commitAI-powered Git commit message generator - supports OpenAI, DeepSeek, and Gemini48MITCommand line utilitiesDevelopment tools auto-commit-rsFast, lightweight CLI tool that generates git commit messages using LLMs. Single binary, no runtime dependencies.577MITCommand line utilitiesDevelopment tools auto-concat-arrayConcatenate fixed-size arrays on stable Rust with automatic array length inference.19MITData structuresNo standard library auto-const-arrayDefine a const array without specify length.1,311,566MIT/Apache-2.0 auto-contextAuto-add context to anyhow errors (without nightly)2,140CC0-1.0 auto-cpufreqAutomatic CPU speed & power optimizer for Linux175LGPL-3.0Command line utilitiesHardware support auto-curryingAutomatically implement Curry for callable types such that they are curried functions2,877MIT OR Apache-2.0 auto-defaultMacro that adds a default field value of `Default::default()` to fields that don't have one792MIT OR Apache-2.0Development toolsDevelopment tools::Procedural macro helpers auto-delegateAuto delegate allows you that automatic impl of traits and delegate their handling to child members.20,503MIT OR Apache-2.0No standard library auto-delegate-implAuto delegate allows you that automatic impl of traits and delegate their handling to child members.11,852MIT OR Apache-2.0No standard library auto-delegate-macrosAuto delegate allows you that automatic impl of traits and delegate their handling to child members.8,764MIT OR Apache-2.0No standard library auto-delete-pathA simple PathBuf wrapper that gets deleted when it goes out of scope16,330MIT OR Apache-2.0Development tools::TestingFilesystem auto-deriveautogpt macro crate.4,028MIT auto-diErgonomic async-aware automatic dependency injection for Rust289MITAsynchronousDevelopment tools auto-di-macrosProcedural macros for the auto-di dependency injection crate327MITDevelopment tools auto-diagnosticAI powered diagnostic tool for AWS825MITCommand line utilities auto-diffA neural network library in Rust.38,027MIT auto-diff-annA neural network library in Rust.3,104MIT auto-diff-data-pipeA data loader3,865MIT auto-diff-macrosMacros for auto-diff.3,870MIT auto-discoverService discovery daemon with Consul registration and nginx config generation18MIT auto-discoveryA general-purpose network and system service discovery library for Rust applications1,566MIT OR Apache-2.0AsynchronousNetwork programming auto-dwAutomating the data warehouse build.724MIT auto-enumProvides attribute macros for building enums which are convenient for use with FFI, along with "enum" flags.36,166MIT auto-env-generatorFast, parallel Rust tool for automatically scanning codebases and generating .env files based on detected environment variable…424MITCommand line utilitiesConfiguration auto-error-intoMacro to automatically convert the Err variant of a Result to the Ok variant.2,975MIT auto-error-into-macroMacro to automatically convert the Err variant of a Result to the Ok variant. Requires auto-error-into.3,446MIT auto-file-mp4Refile a directory of m4b files by artist, album (where specified) and title. Used to refile m4b versions of converted aax files…1,849MIT auto-futureFor quickly making a struct into a future via an async fn7,486,958MITAsynchronous auto-g-embedA Rust library for generating text embeddings23MIT auto-gitA simple CLI tool to automatically push and pull to git.1,640MIT OR Apache-2.0 auto-git-committerA Rust program to automate Git commits and push them to a remote repository.2,655MIT auto-gitmojiA Rust CLI tool that automatically prepends appropriate gitmoji to your commit messages based on intelligent keyword matching.1,314MITCommand line utilities auto-gpt-localA Tauri App for auto-gpt utilization and visulazation1,585MIT auto-http-deriveThe purpose of this crate is only to contain proc-macros that auto-http-router uses.2,225MIT auto-image-cropperRemoves extra white borders to correctly resize canvas12,159MITCommand line utilitiesMultimedia::Images auto-impl-opssemi-automatic implementation proc-macro for binary operations37,769AGPL-3.0-or-laterDevelopment toolsRust patterns auto-importPlease do not use this.1,837BSD-2-Clause auto-jniAutomatically create bindings to Java through JNI2,825MIT auto-launchAuto launch any application or executable at startup. Supports Windows, macOS, and Linux.4,483,566MIT auto-launcherAuto launch any application or executable at startup. Supports Windows, macOS, and Linux.4,533MIT auto-lspA rust crate for creating AST and LSP servers powered by tree-sitter.6,646GPL-3.0Parsing tools auto-lsp-codegenCodegen crate for `auto_lsp`.1,654GPL-3.0 auto-lsp-coreCore crate for `auto_lsp`.6,421GPL-3.0 auto-lsp-defaultDefault database and server capabilities for `auto_lsp`.2,265GPL-3.0 auto-lsp-macrosMacros for `auto_lsp`.4,090MIT auto-lsp-serverDefault database and server capabilities for `auto_lsp`.2,510GPL-3.0 auto-mergeMerge GitHub Actions pull request automatically.2,388GPL-3.0 auto-netiac auto network macro crate.5,756MIT auto-ossReference CLI for the auto-oss protocol: user-side agent contributions to opted-in repositories71MIT OR Apache-2.0Command line utilitiesDevelopment tools auto-pagefindPagefind for servers. Great for next.js non output export applications. Fully crawl and index your app in one command.2,891MITCommand line utilitiesWeb programming auto-palette🎨 A Rust library that extracts prominent color palettes from images automatically.24,344MITAlgorithmsGraphics auto-palette-cli🎨 CLI tool to extract a prominent color palette from an image.8,022MITAlgorithmsCommand line utilities auto-pilotA tool to oprate your computer using GPT4 Vision1,763Apache-2.0 auto-regexAutomagically finds a regex that best matches an example and a sample list.4,437MIT auto-registryAutomatic registration using proc macros1,166MIT auto-releaseCommand-line utility for automatically releasing Rust code7,640MIT OR Apache-2.0Command line utilitiesDevelopment tools auto-rustA tool to automatically generate Rust code using LLMs at compilation time.8,649MIT AND Apache-2.0 auto-sensitivityA tool to have multiple sensitivity per pointer device on X111,606 GPL-3.0-onlyCommand line utilities auto-thumbnailConverts various file formats into thumbnail image.834MIT auto-timezone-toolA tool to set a timezone based on your public IP address1,314MIT auto-tradingbacktest, strategy, multiple platforms, quantitative trading framework22,504Apache-2.0 auto-traffic-controlA video game for programmers about air traffic control5,892MIT OR Apache-2.0API bindingsGames auto-traitSimple macro to generate trait implementation for wrapper types11,903BSL-1.0 auto-tuple-traitsAttribute macro to implement a trait for tuples38Apache-2.0/MITDevelopment tools::Procedural macro helpers auto-umlAn automatic UML diagram generator for a variety of programming languages297MITCommand line utilities auto-variantsA macro that exposes a function that returns all enum variants.580non-standardDevelopment toolsRust patterns auto-versionAutomatically add -v and --version output to your rust executables4,524MIT OR Apache-2.0Command line utilitiesConfiguration auto-wasiAutomatic WASI version detection and linking for wasmtime1,833Unlicense auto-wlr-randrAutomatic display configuration for Wayland compositors734GPL-3.0-or-laterCommand line utilitiesOperating systems::Linux APIs auto-ytdlpDownload videos with yt-dlp automatically. You can even download multiple videos at the same time!36GPL-3.0Command line utilitiesConcurrency auto_arrayA macro to automatically calculate the length of arrays38MIT OR Apache-2.0 auto_bench_fctA library for automatically benchmarking function call count and execution time in Rust.1,050GPL-3.0-only auto_bench_fct_macrosThe macros of auto_bench_fct.903GPL-3.0-only auto_bufferauto_buffer, for Rust1,344BSD-3-Clause auto_builder_deriveMacros for generating a 'safe' builder1,631MIT auto_cellularBasic interface facilitating traits to implement a cellular automaton3,576MIT auto_cfgtypo: did you mean to use autocfg?1,780MIT auto_correctA library to provide auto correct suggestions. Currently supporting EN-US.12,965MIT auto_correct_n_suggestA rust Dictionary Trie. Performs autosuggestions on words with typos & autocompletes words 🦀6,680MIT OR Apache-2.0 auto_curryProcedural macro to automatically curry functions4,163non-standard auto_docA procedural attribute macro to seamlessly pull external Markdown files into your Rust item documentation.66MITDevelopment toolsRust patterns auto_downloaderRust cargo crates with auto-update functionality.2,089MIT auto_encoderAuto encoding library465,851MITCommand line utilitiesWeb programming auto_enumerateThis crate renamed to `auto_enums` - use `auto_enums` crate (https://crates.io/crates/auto_enums)6,557Apache-2.0/MIT auto_enumerate_coreThis crate renamed to `auto_enums_core` - use `auto_enums_core` crate (https://crates.io/crates/auto_enums_core)6,510Apache-2.0/MIT auto_enumerate_deriveThis crate renamed to `auto_enums_derive` - use `auto_enums_derive` crate (https://crates.io/crates/auto_enums_derive)6,395Apache-2.0/MIT auto_enumsA library for to allow multiple return types by automatically generated enum.17,644,721Apache-2.0 OR MITNo standard libraryNo standard library::No dynamic allocation auto_enums_coreAn internal crate to support auto_enums - do not use directly6,683,278Apache-2.0 OR MITRust patterns auto_enums_deriveAn internal crate to support auto_enums - do not use directly6,682,755Apache-2.0 OR MITRust patterns auto_fix-lint-arwakyAuto-fix processor that applies mechanical corrections for AES rule violations surfaced by the linter family.21MIT auto_fromAutomatically implement std::convert::From for enum variants with single fields12,646Apache-2.0 auto_generate_cdpexperimental crate to generate the Chrome Devtools Protocol.2,794,301non-standardAPI bindingsDevelopment tools::Build Utils auto_httpIt really improves your life as a developer1,667MIT auto_implAutomatically implement traits for common smart pointers and closures60,896,245MIT OR Apache-2.0Development toolsRust patterns auto_impl_traitauto impl trait by provide trait file15,335MIT