Source: doc.rust-lang.org (std library reference) · crates.io database dump, 2026-07-25 (crates directory)Contact
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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.

openapi-merge-cliOpenAPI Merge Command Line Tool5,067Apache-2.0 OR MIT openapi-mockerA simple OpenAPI 3.0 mocker4,953MITWeb programming openapi-model-generatorA robust Rust library and CLI tool for generating type-safe Rust models from OpenAPI 3.0 specifications with advanced composition…2,251MIT OR Apache-2.0Command line utilitiesDevelopment tools::Build Utils openapi-nexusOpenAPI 3.x multi-language code generator795MIT OR Apache-2.0 openapi-nexus-commonOpenAPI 3.1 to code generator961MIT OR Apache-2.0 openapi-nexus-configOpenAPI 3.1 to code generator801MIT OR Apache-2.0 openapi-nexus-coreOpenAPI 3.1 to code generator725MIT OR Apache-2.0 openapi-nexus-goOpenAPI 3.1 to code generator272MIT OR Apache-2.0 openapi-nexus-parserOpenAPI 3.1 to code generator848MIT OR Apache-2.0 openapi-nexus-specOpenAPI 3.1 to code generator370MIT OR Apache-2.0 openapi-nexus-typescriptOpenAPI 3.1 to code generator433MIT OR Apache-2.0 openapi-ops-mutProvides `operations_mut` to https://github.com/glademiller/openapiv34,152MIT/Apache-2.0 openapi-parserExtract schemas definitions tree from OpenAPI documents14,833MIT openapi-resolver$ref resolver for OpenAPI schemas2,944MIT openapi-rsA type-safe Rust client library for building, signing, and sending API requests with minimal boilerplate3,385MIT OR Apache-2.0 openapi-rs-sdkProtobuf/gRPC trading SDK with symbol-aware lot validation, login, balance, order flows, and candle APIs57MITAPI bindingsNetwork programming openapi-schemaRust structure mapped to Swagger13,828MIT openapi-schema-to-json-schemaConvert OpenAPI 3.0 schema objects to JSON Schema draft-0438MITData structuresParsing tools openapi-sdkA fully-featured and blazing-fast Rust API client to interact with Openapi®828MITAPI bindingsAsynchronous openapi-sdk-statusCompanion crate to ensure `openapi-sdk` is installable and functional.276MIT openapi-service-fabricService Fabric REST Client APIs allows management of Service Fabric clusters, applications and services.303MIT openapi-snapshotFetch OpenAPI JSON from a running server. Lightweight MCP alternative for AI agents (Claude Code, Cursor, etc.).104MITCommand line utilitiesDevelopment tools openapi-struct-genGenerate rust structures from an openapi 3.0 definition22,076Apache-2.0 openapi-subsetA tool to extract a subset of an OpenAPI specification based on specified criteria.31MITCommand line utilitiesParsing tools openapi-syncRust implementation of a file synchronization tool for company SDK773MIT OR Apache-2.0 openapi-to-hurlA tool to create Hurl files (https://hurl.dev/) from openapi specs4,834MITCommand line utilities openapi-to-jsdocGenerate JSDoc typedefs from OpenAPI 3.0.x spec schemas3,844MIT openapi-to-rustGenerate typed Rust models, HTTP/SSE clients, and Axum servers from OpenAPI 3.0/3.1 (experimental 3.2)8,375MITDevelopment toolsWeb programming openapi-traitGenerate typed Rust traits from OpenAPI specifications using a proc-macro attribute190MITAPI bindingsDevelopment tools::Procedural macro helpers openapi-trait-axumAxum-specific procedural macro for openapi-trait (not intended for direct use)231MITAPI bindingsDevelopment tools::Procedural macro helpers openapi-trait-clientTransport-agnostic client procedural macro for openapi-trait (not intended for direct use)239MITAPI bindingsDevelopment tools::Procedural macro helpers openapi-trait-sharedFramework-agnostic codegen helpers for openapi-trait (not intended for direct use)323MITAPI bindingsDevelopment tools::Procedural macro helpers openapi-trustfall-adapterOpenAPI Trustfall adapter4,385MIT openapi-tuiThis TUI allows you to list and browse APIs described by the openapi specification.25,071MIT openapi-typesTypes for OpenAPI6,433MIT openapi-uiA Rust library for generating custom UI for OpenAPI/Swagger documentation.210MITDevelopment toolsVisualization openapi2skillConvert an OpenAPI 3.x specification into an AI Agent Skill — a tree of markdown files an AI agent can navigate efficiently.143MITCommand line utilitiesDevelopment tools openapi3-parserA Rust library to parse and work with OpenAPI 3.0 specifications in JSON and YAML format3,172MITAPI bindingsParsing tools openapi31to30Convert OpenAPI schemas from 3.1 to 3.05,254ISC openapi_cliOpenAPI CLI2,621MIT openapi_clientNo description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)1,709Unlicense openapi_generatorCode generator for OpenAPI specifications1,770ISCTemplate engineWeb programming openapi_kitOpenAPI Kit6,945MIT openapi_kit_macrosOpenAPI Macros7,205MIT openapi_kit_rendererOpenAPI Renderer5,504MIT openapi_kit_schemaOpenAPI Schema4,236MIT openapi_kit_workspaceOpenAPI Workspace2,564MIT openapi_lib_generatorRust openapi lib generator7,738MIT OR Apache-2.0Command line utilitiesDevelopment tools openapi_rocketapiRust bindings for openapi schemas2,147MIT openAPI_test_davidkimtest1,151MIT OR Apache-2.0 openapi_toolsTools for working with OpenAPI specs5,597Apache-2.0 openapi_typeOpenAPI type information for Rust structs and enums50,540Apache-2.0 openapi_type_deriveImplementation detail of the openapi_type crate53,291Apache-2.0 openapi_type_pickerA library for generating Rust data types according to the OpenAPI specification with the ability to select only the necessary…2,076MIT OR Apache-2.0Development tools::Build Utils openapi_utilsExtension method and utilities to work with OpenAPI 3.0 files29,868MIT OR Apache-2.0 openapitorAn OpenAPI client generator.13,230MPL-2.0 openapiv3This crate provides data structures that represent the OpenAPI v3.0.x specification easily deserializable with serde.11,090,481MIT/Apache-2.0 openapiv3-extendedThis crate provides data structures that represent the OpenAPI v3.0.x specification easily deserializable with serde.303,587MIT/Apache-2.0 openapiv3-extended-2This crate provides data structures that represent the OpenAPI v3.0.x specification easily deserializable with serde.2,238MIT/Apache-2.0 openapiv3-paperThis crate provides data structures that represent the OpenAPI v3.0.x specification easily deserializable with serde. It's a fork…30,222MIT/Apache-2.0 openapiv3-to-typescriptGenerate TypeScript from OpenAPIv32,568Apache-2.0 openapiv3-visitvisitor for the openapiv3 crate4,453MIT OR Apache-2.0 openapiv3_1OpenAPI 3.1.x bindings for rust23,881MIT OR Apache-2.0 openapp-sdkOfficial Rust SDK for OpenApp — Physical Security as a Service (PSaaS): API-first access control for doors, gates, intercom,…167MITAPI bindingsWeb programming openapp-sdk-commonShared models and low-level types for the OpenApp SDK (single contract: packages/api-spec/openapi.json).334MIT openapp-sdk-coreCore of the OpenApp SDK: HTTP transport, auth, retries, telemetry, and per-resource sub-clients reused by every language SDK.271MIT openapp-sdk-core-c-bridgeC ABI bridge around openapp-sdk-core so non-PyO3 language SDKs (.NET, Ruby, Go, Swift) can reuse the same Rust core.157MIT openaq-clientUnofficial OpenAQ API Client7,931MIT openarawRust reader for Agilent MassHunter .d mass spectrometry directories.304Apache-2.0Parser implementationsScience openarchievenCLI for the openarchieven.nl Dutch genealogical API141MITCommand line utilities openart_imageMinimal Rust package for OpenArt Image tool page metadata and docs.rs indexing.20MITMultimedia openassetsThe implementation of the Open Assets Protocol for Rust.1,791MIT openassets-tapyrusThe implementation of the Open Assets Protocol for Rust.6,203MIT openatA wrapper around openat, symlinkat, and similar system calls1,053,905MIT/Apache-2.0API bindingsFilesystem openat-extExtension methods for the openat crate109,913MIT/Apache-2.0API bindingsFilesystem openat2A simple wrapper around Linux 5.6+'s openat2() system call74,545MITOperating systems::Linux APIs openat_ctA wrapper around openat, symlinkat, and similar system calls forked and improved from https://crates.io/crates/openat15,034MIT/Apache-2.0API bindingsFilesystem openauthRust authentication toolkit.209MITAuthenticationWeb programming openauth-axumAxum integration for OpenAuth.47MITAuthenticationWeb programming openauth-cliCommand-line tools for OpenAuth.47MITAuthenticationWeb programming openauth-coreCore types and primitives for OpenAuth.1,333MITAuthenticationWeb programming openauth-deadpool-postgresdeadpool-postgres database adapter for OpenAuth.94MITAuthenticationWeb programming openauth-fredFred-backed Redis and Valkey integrations for OpenAuth.49MITAuthenticationWeb programming openauth-i18nInternationalization support for OpenAuth.116MITAuthenticationWeb programming openauth-oauthOAuth support for OpenAuth.498MITAuthenticationWeb programming openauth-oauth-providerOAuth 2.1 and OpenID Connect provider support for OpenAuth.75MITAuthenticationWeb programming openauth-oidcEnterprise OIDC relying-party support for OpenAuth.87MITAuthenticationWeb programming openauth-passkeyServer-side passkey plugin for OpenAuth.78MITAuthenticationWeb programming openauth-pluginsOfficial OpenAuth plugin modules.193MITAuthenticationWeb programming openauth-redisRedis integrations for OpenAuth.70MITAuthenticationWeb programming openauth-samlSAML 2.0 service-provider support for OpenAuth.844MITAuthenticationWeb programming openauth-scimSCIM support for OpenAuth.123MITAuthenticationWeb programming openauth-social-providersSocial OAuth provider definitions for OpenAuth.441MITAuthenticationWeb programming openauth-sqlxSQLx database adapters for OpenAuth.210MITAuthenticationWeb programming openauth-ssoSingle sign-on support for OpenAuth.119MITAuthenticationWeb programming openauth-stripeStripe integration for OpenAuth.114MITAuthenticationWeb programming openauth-telemetryTelemetry support for OpenAuth.248MITAuthenticationWeb programming openauth-tokio-postgrestokio-postgres database adapter for OpenAuth.122MITAuthenticationWeb programming openaws-vpn-clientUnofficial open-source AWS VPN client written in Rust11,129MITGUI openbabelRust bindings to cheminformatics toolbox OpenBabel23,794MITScience openbabel-sysNative bindings to OpenBabel23,265MITScience openbankingOpen Banking client written in Rust Programming Language.1,803non-standard openbaoSecure, typed, async Rust SDK for OpenBao1,647MIT OR Apache-2.0API bindingsAuthentication openbazaarOpenbazaar HTTP API library for Rust1,718MIT openbciNative Rust driver for OpenBCI EEG/EMG boards (Cyton, Cyton+Daisy, Ganglion, Galea) with standard 10-05/10-10/10-20 electrode…1,180MITEmbedded developmentHardware support openbehavioropenbehavior23MIT openblas-blas-providerBLAS/LAPACK provider using the OpenBLAS implementation11,273BSL-1.0 openblas-buildThe package provides a build helper for OpenBLAS.1,362,344Apache-2.0/MIT openblas-build-buildtestFork of original crate by Toshiki Teramura for testing pipeline behaviour.1,194Apache-2.0/MIT openblas-providerThe package provides BLAS and LAPACK using the OpenBLAS implementation.73,589Apache-2.0/MIT openblas-srcThe package provides a source of BLAS and LAPACK via OpenBLAS.1,598,727Apache-2.0/MITScience openblas_ffiFFI bindings to sequential and parallel OpenBLAS.6,333BSD-2-Clause openbook📖1️⃣2️⃣ A CLI, TUI and SDK to interact with OpenBook V1 and V2 markets on the Solana blockchain.17,121MITCommand line utilitiesScience openbook-v2Openbook v2 anchor-gen generated crate2,025GPL-3.0-or-later openbook_dexOpenbook DEX9,235Apache-2.0 openbookdex-v2OpenBook V2 DEX2,184MIT openbrushOpenBrush library for smart contract development on ink!.20,019MITEmbedded developmentNo standard library openbrush_contractsReusable implementations of contracts and traits for interaction with them.20,646MITEmbedded developmentNo standard library openbrush_contracts_deriveDerives for storage data of each contract in the openbrush.4,858MITEmbedded developmentNo standard library openbrush_langAggregator of all openbrush functionality and utils.22,930MITEmbedded developmentNo standard library openbrush_lang_codegenOpenBrush codegeneration for macros in `openbrush_lang_macro`.24,248MITEmbedded developmentNo standard library openbrush_lang_macroOpenBrush macros to extend functionality of the ink!.23,529MITEmbedded developmentNo standard library openbuildserviceRust bindings for Open Build Service api2,683LGPL-2.1-or-later openc2Rust types for OpenC2 commands and responses2,603MIT openc2_consumerRust types for OpenC2 consumers279MIT openc2_erOpenC2 Endpoint Response actuator profile272MIT openc2_pfOpenC2 Packet Filtering actuator profile276MIT opencachecache server:)1,544Apache-2.0 opencarrier-plugin-sdkSDK for writing OpenCarrier plugins in Rust34MIT opencascadeA high level Rust wrapper to build 3D models in code, using the OpenCascade CAD kernel4,672LGPL-2.1 opencascade-sysRust bindings to the OpenCascade CAD Kernel5,702LGPL-2.1 openccOpenCC binding for Rust13,475MIT opencc-fmmsegHigh-performance Chinese conversion library (Simplified ↔ Traditional) using OpenCC lexicons and FMM segmentation — no runtime…4,549MITCommand line utilitiesLocalization (L10n) opencc-jieba-rsHigh-performance Chinese text conversion and segmentation using Jieba and OpenCC-style dictionaries.48,617MITCommand line utilitiesInternationalization (i18n) opencc-rsOpenCC bindings for Rust27,204MIT OR Apache-2.0API bindingsLocalization (L10n) opencc-rustOpen Chinese Convert(OpenCC, 開放中文轉換) binding for the Rust language for conversion between Traditional Chinese and Simplified…59,415Apache-2.0External FFI bindingsLocalization (L10n) opencc-sysOpenCC bindings for Rust33,787MIT OR Apache-2.0External FFI bindings opencctUtilities for Call Center simulation and optimal staffing.363MIT OR Apache-2.0AlgorithmsMathematics opencellidRust client library for the OpenCellID API — sync and async clients with tracing, structured errors, and bounded I/O.40MIT OR Apache-2.0API bindingsNetwork programming openchecksA simple checks framework1,719MIT OR Apache-2.0 opencl-apiActively maintained LTS support, OpenCL type associations for Rust3,963MIT OR Apache-2.0API bindingsExternal FFI bindings opencl-dynamic-sysRust library to handle the dynamic load of the OpenCL shared library1,848MIT opencl-headsActively Maintained with Long Term Support, Pure Rust Implementation, Low Level bindings for OpenCL9,332MIT OR Apache-2.0API bindingsExternal FFI bindings opencl-sysOpenCL C FFI bindings for the Rust programming language.482,267Apache-2.0API bindingsAsynchronous opencl3A Rust implementation of the Khronos OpenCL 3.0 API and extensions.671,567Apache-2.0API bindingsAsynchronous openclashopenclash14MIT openclawAI Operate System.200MIT openclaw-agentsAgent runtime and workflow engine for OpenClaw324MITAsynchronousDevelopment tools openclaw-channelsChannel adapters for OpenClaw (Telegram, Discord, etc.)239MITAsynchronousNetwork programming openclaw-cliCommand-line interface for OpenClaw72MITCommand line utilities openclaw-coreCore types, configuration, and storage for OpenClaw662MITAsynchronousDevelopment tools openclaw-gatewayGateway server for OpenClaw152MITAsynchronousWeb programming::HTTP server openclaw-ipcIPC message types and nng transport for OpenClaw107MITAsynchronousNetwork programming openclaw-miniflux-mcpMCP server for Miniflux RSS reader84MIT openclaw-nodeNode.js bindings for OpenClaw Rust core - AI providers, auth, events, and tools30MITAPI bindingsDevelopment tools::FFI openclaw-pluginsPlugin system and FFI bridge for OpenClaw27MITDevelopment toolsWebAssembly openclaw-providersAI provider clients for OpenClaw (Anthropic, OpenAI, etc.)391MITAPI bindingsAsynchronous openclaw-publisher-pkiPublisher enrollment + CRL HTTP server for the openclaw skill-store ecosystem18MIT openclaw-scanSecurity scanner for agentic AI framework installations (OpenClaw, Claude Code, and compatible)50MITCommand line utilitiesDevelopment tools openclaw-search-toolOpenClaw Research Tool — web search for AI agents via OpenRouter LLMs118MITCommand line utilities openclawlinkReserved by the ClawNexus project. See https://github.com/SilverstreamsAI/ClawNexus23MITNetwork programming openclawnexusReserved by the ClawNexus project. See https://github.com/SilverstreamsAI/ClawNexus22MITNetwork programming opencliOpenCLI struct definitions for serializing and deserializing734MIT opencloudmeshImplementation of the OpenCloudMesh protocol691LGPL-3.0-or-later opencloudtilesA toolbox for converting, checking and serving map tiles in various formats.13,002MIT opencodeshippit478Apache-2.0 opencode-agencyCLI tool to manage OpenCode agent permissions via template+override system159GPL-3.0-or-laterCommand line utilitiesConfiguration opencode-client-sdkRust SDK for integrating OpenCode via local server + OpenAPI HTTP client6,581Apache-2.0API bindingsAsynchronous opencode-cloudCLI for managing opencode as a persistent cloud service2,190MITCommand line utilitiesDevelopment tools opencode-cloud-coreCore library for opencode-cloud - config management, singleton enforcement, and shared utilities2,713MITCommand line utilitiesDevelopment tools opencode-memoryPersistent semantic memory for AI agents — a single self-contained stdio MCP server over SQLite + sqlite-vec with local llama.cpp…88MITCommand line utilitiesDatabase interfaces opencode-multiMulti-profile manager for OpenCode154MITCommand line utilitiesDevelopment tools opencode-multiplexerA terminal multiplexer for managing OpenCode sessions53Apache-2.0Command line utilities opencode-orchestrator-mcpMCP server for orchestrator-style agents to spawn and manage OpenCode sessions902MIT OR Apache-2.0 opencode-provider-managerTUI/CLI binary crate for managing OpenCode provider configs219MIT opencode-provider-manager-guiStandalone GUI binary crate for managing OpenCode provider configs161MIT opencode-ralph-loop-cliScaffolder CLI for OpenCode Ralph Loop plugin — one command setup23MIT OR Apache-2.0Command line utilitiesDevelopment tools opencode-sdkRust SDK for OpenCode (HTTP-first hybrid with SSE streaming)869Apache-2.0API bindingsAsynchronous opencode-sdk-rsA Rust SDK for the OpenCode API with type-safe access to all endpoints, automatic retries, and streaming support175MITAPI bindingsDevelopment tools opencode-statsA terminal dashboard for OpenCode usage statistics inspired by the /stats command in Claude Code745MITCommand line utilitiesVisualization opencode-voiceA cli utility to control opencode using voice via the HTTP API538Apache-2.0 opencode2claudeUse Claude Code with any LLM (DeepSeek, GPT-4o, Gemini, Llama, etc.) — for free87MITCommand line utilitiesDevelopment tools opencode_rsRust SDK for OpenCode (HTTP-first hybrid with SSE streaming)1,703Apache-2.0API bindingsAsynchronous opencode_sdk_rustRust SDK for the opencode API698MIT opencode_webresearchRust library for automated web research workflows via OpenCode and MCP servers.20MIT OR Apache-2.0API bindingsAsynchronous opencodecommitAI-powered git commit message generator that delegates to terminal AI agents652MITCommand line utilitiesDevelopment tools opencodesearchLargescale MCP server for codebase search with background indexing and automatic updating to git commits in rust55GPL-3.0-onlyDevelopment toolsWeb programming opencodesearchparserRust Library for Parsing and Segmentation of Source code121GPL-3.0-onlyCommand line utilitiesParsing tools opencodingUniversal spec definition for multi-language struct code generation652Apache-2.0 opencollectionTyped data model and YAML (de)serializer for the OpenCollection API-collection format (v1.0.0)58MITAPI bindingsParser implementations opencolorioRust bindings for OpenColorIO (placeholder)1,787BSD-3-ClauseAPI bindings opencolorio-sysRust bindings for Alembic (placeholder)1,772BSD-3-ClauseExternal FFI bindings opencomputers-stemLibrary for Stem bridge6,479Apache-2.0 openconfigurationOpenConfiguration (OC) is a modular, efficient and flexible approach for the uni-directional exchange of visual e-commerce…16,523non-standard openconfiguration_deriveOpenConfiguration (OC) is a modular, efficient and flexible approach for the uni-directional exchange of visual e-commerce…5,473non-standard openconnect-coreA library for interacting with OpenConnect VPN7,237LGPL-2.1 openconnect-sysRust bindings for OpenConnect7,655LGPL-2.1 opencontainersOpenContainers Implementation in Rust3,138BSD-3-Clause AND Apache-2.0API bindings opencoopSandboxed AI agent sessions with remote access24MIT opencordOpen-source ephemeral chat servers with automatic shutdown76GPL-3.0-onlyNetwork programming