All 305,250 crates, alphabetically

openlegends-coreGame Core for OpenLegends Card Game3,050MITGame developmentGames openlegends-serverOpenLegends Game Server2,511MITGame developmentGames openlemmyCommand Line Interface for the OpenLemmy project.1,502Apache-2.0 openlibrary-rsA wrapper around openlibrary's Web API.10,311GPL-3.0API bindings openlibx402-actixActix Web framework integration for X402 payment protocol66MITWeb programming openlibx402-clientHTTP client library for the X402 payment protocol85MITNetwork programmingWeb programming openlibx402-coreCore library for the X402 payment protocol with Solana blockchain integration530MITCryptographyWeb programming openlibx402-rocketRocket web framework integration for X402 payment protocol64MITWeb programming openligadbRust library for OpenLigaDB API2,254MITData structures openlimitsA open source Rust high performance cryptocurrency trading API with support for multiple exchanges and language wrappers. Focused…34,061BSD-2-Clause openlimits-binanceBinance implementation for OpenLimits.5,169BSD-2-Clause openlimits-coinbaseCoinbase implementation for OpenLimits.3,930BSD-2-Clause openlimits-exchangeThe exchange traits of OpenLimits.8,757BSD-2-Clause openlimits-messagingThe messaging system of OpenLimits.7,062BSD-2-Clause openlimits-nashNash implementation for OpenLimits.3,849BSD-2-Clause openlineage-clientTransport-agnostic OpenLineage event model and emit client (no engine dependency)204Apache-2.0Database interfacesDevelopment tools::Debugging openllmA simple SDK for OpenAI compatible API.2,314MITAPI bindings openllm-rsA Rust crate that enables seamless interaction with Llama.cpp backend services through an OpenAI-compatible REST APIe83non-standardAPI bindingsAsynchronous openllm-serverOpenLLM inference engine with HTTP API and streaming support25MIT openloaf-rdevOpenLoaf fork of rdev — listen and send keyboard / mouse events on Windows, Linux and MacOS. Adds macOS event tap auto re-enable…462MITAPI bindingsDevelopment tools::Testing openloaf-saasOpenLoaf SaaS Rust SDK — REST + OAuth URL helpers + realtime WebSocket1,030MITAPI bindingsWeb programming::HTTP client openlockAn Open space for Locksport community built on web3 tech1,487GPL-3.0 openlogiOpenLogi command-line interface — a local-first companion for Logitech HID++ peripherals.1,008MIT OR Apache-2.0Command line utilitiesHardware support openlogi-assetsAsset registry schema, mirror discovery, and blocking HTTP fetch helpers. Shared by the openlogi CLI (bundle sync) and…1,492MIT OR Apache-2.0Hardware support openlogi-cliImplementation library for the OpenLogi CLI (the `openlogi` binary).1,360MIT OR Apache-2.0Command line utilitiesHardware support openlogi-coreCore types, config, and paths for OpenLogi. No I/O specifics.1,761MIT OR Apache-2.0ConfigurationHardware support openlogi-hidHID++ device discovery for OpenLogi, wrapping the hidpp crate over async-hid.1,493MIT OR Apache-2.0AsynchronousHardware support openlogi-hidppOpenLogi's vendored fork of the `hidpp` crate (Logitech HID++ protocol).1,2450BSDHardware support openlogi-hookOS-level mouse-event hook for OpenLogi. macOS via CGEventTap; Linux via evdev+uinput; Windows via WH_MOUSE_LL.1,159MIT OR Apache-2.0 openlogi-injectOS input-event synthesis for OpenLogi actions (macOS CGEvent/NSEvent, Linux uinput/D-Bus, Windows SendInput).345MIT OR Apache-2.0Hardware supportOperating systems openlrOpenLR Rust implementation7,163MIT OR Apache-2.0Encoding openlva secure peer-to-peer wallet connectivity protocol35GPL-3.0 openlyricsLibrary for parsing OpenLyrics XML files.675MIT OR Apache-2.0Parser implementations openmakerOpen-source HID protocol engine and SDK for Epomaker keyboards18MITAPI bindingsHardware support openmassspec-coreShared types, traits, and mzML writer for open Rust mass-spec parsers.863Apache-2.0EncodingScience openmassspec-ioVendor-neutral mass-spec I/O: feature-gated re-exports of opentfraw / opentimstdf / openwraw / openaraw / opensxraw / openszraw…165Apache-2.0EncodingScience openmathSupport for OpenMath (de)serialization2,052GPL-3.0-or-laterData structuresEncoding openmathsPowerful Maths Library for Graphical Applications in Rust and OpenGeometry3,294MIT/Apache-2.0 openmc-endf-8-depletion-lib-aOpenMC Depletion Chain Data from ENDF 8 (part a)311MITScience openmc-endf-8-depletion-lib-bOpenMC Depletion Chain Data from ENDF 8 (part b)204MITScience openmcpOpenMCP Server Proxy CLI1,965Apache-2.0 openmcpgdbInteractive MCP server to control gdb. Fully featured and written in rust111GPL-3.0-onlyDevelopment toolsWeb programming openmemoryOpenMemory - Cognitive memory system for AI applications256MITDatabase interfacesScience openmensa-rsA library to interact with the openmensa api6,314BSD-3-Clause openmeshVertex-face mesh validation library507BSD-3-ClauseAlgorithmsGraphics openmetadata-cliRust CLI for OpenMetadata — dynamic commands from the OpenAPI spec, curated shortcuts, MCP server mode35MIT OR Apache-2.0Command line utilitiesDevelopment tools openmetadata-rs-sdkOpenMetadata client SDK. Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right987Apache-2.0API bindingsAuthentication openmeteo-rsRust client for the Open-Meteo weather API.47MITAPI bindingsScience openmeteo-rs-ureqA Rust client for the Open-Meteo API using ureq2,130MIT openmeterA Rust client for OpenMeter API2,624MIT openmetricsA Rust native parser for the OpenMetrics standard6,662MIT openmetrics-parserAn OpenMetrics/Prometheus Text Exposition Format Parser2,844,290LGPL-3.0 openmiteThe local, embeddable memory runtime for AI agents. Sub-microsecond KV + semantic search + fused retrieval in one call.21MIT OR Apache-2.0Data structuresDatabase implementations openmlA rust interface to [OpenML](http://openml.org/).4,805MIT/Apache-2.0Science openmlsA Rust implementation of the Messaging Layer Security (MLS) protocol, as defined in RFC 9420.423,691MIT openmls_basic_credentialA Basic Credential implementation for OpenMLS381,164MIT openmls_evercryptA crypto backend for OpenMLS implementing openmls_traits using HACL/Evercrypt.8,707MIT openmls_libcrux_cryptoA crypto backend for OpenMLS based on libcrux implementing openmls_traits.64,658MIT openmls_memory_keystoreA very basic key store for OpenMLS implementing openmls_traits.40,963MIT openmls_memory_storageA very basic storage for OpenMLS implementing openmls_traits.396,365MIT openmls_rust_cryptoA crypto backend for OpenMLS implementing openmls_traits using RustCrypto primitives.420,106MIT openmls_sqlite_storageA storage provider for OpenMLS based on SQlite based on the rusqlite crate.14,709MIT openmls_sqlx_storageA storage provider for OpenMLS using SQLx.2,026MIT openmls_testTest utility used by OpenMLS41,979MIT openmls_traitsTraits used by OpenMLS443,622MIT openmm-sysRust bindings for the OpenMM toolkit for molecular simulation using high performance GPU code.3,379MITExternal FFI bindingsScience openmob-bridgeWrap terminal AI agents (Claude Code, Codex, Gemini) with PTY layer and HTTP injection API. Part of OpenMob — free mobile device…38MITCommand line utilitiesDevelopment tools openmodelGeometry library for structures.864MITAlgorithmsData structures openmodexOfficial Rust SDK for the OpenModex API23MITAPI bindingsWeb programming openmoodModular mood tracker backend9,367AGPL-3.0-only openmp-reducerOpenMP-style reducers751Apache-2.0 OR MITConcurrency openmp-sysLink with OpenMP (libgomp)821,198CC0-1.0ConcurrencyExternal FFI bindings openmptSafe bindings for libopenmpt7,340BSD-3-Clause-Attribution openmpt-sysRaw bindings for libopenmpt8,807BSD-3-Clause openmultiplayer_queryImplements the needed builders and parsers for SA:MP's/Open Multiplayer's Query Mechanism, allowing a developer to retrieve data…3,812MIT openmv_h7_bspBoard support crate for OpenMV H7 machine vision board2,941BSD-3-ClauseEmbedded developmentHardware support openmw-cfgA library for interacting with the openmw config file and the virtual file system it defines16,439GPL-3.0-or-later OR MIT openmw-configA library for interacting with the Openmw Configuration system.6,599GPL-3.0-or-laterConfigurationGame engines opennexusThin CLI client for the Nexus context-driven development system44MIT openni2Rust interface to OpenNI26,674MITHardware supportMultimedia::Video openni2-sysRust bindings for OpenNI213,924MITAPI bindingsMultimedia::Video opennodeAPI bindings for the Opennode v1 HTTP API4,984MIT opennode-clientClient for the Opennode v1 HTTP API4,364MIT openntpd-rsUmbrella facade crate for openntpd-rs (re-exports openntpd-rs-core)309MIT OR Apache-2.0 openntpd-rs-coreCore deterministic NTP protocol engine for OpenNTPD-rs (no I/O, no host clock)591MIT OR Apache-2.0 openntpd-rs-ctlntpctl control client binary for openntpd-rs374MIT OR Apache-2.0 openntpd-rs-dntpd daemon binary for openntpd-rs386MIT OR Apache-2.0 openntpd-rs-ioReal OS I/O layer for OpenNTPD-rs (libc syscall wrappers)534MIT OR Apache-2.0 openocUnofficial Rust client for the OpenOcean DEX aggregator API276MITAPI bindingsWeb programming openoctoA high-performance, locally-focused AI coding agent built in Rust44MITCommand line utilitiesDevelopment tools openokfopenokf18MIT openoutcryOpenOutcry — leak-free point-in-time trading-agent environment (a Gym for trading agents).161MIT OR Apache-2.0FinanceScience openoutcry-wasmWASM bindings for the OpenOutcry trading-agent environment (run baselines + recompute-to-verify via the identical engine).119MIT OR Apache-2.0 openpackSafe archive-reader for ZIP-derived formats (ZIP, CRX, JAR, APK, IPA) with BOM-safe checks.58,725MIT OR Apache-2.0CompressionFilesystem openpageopenpage18MIT openpanel_rustOpenPanel SDK for tracking events486MITWeb programming openpathresolverA simple path resolution framework114MIT OR Apache-2.0 openpawMulti-agent AI gateway with model fallback chains and channel routing25MITCommand line utilitiesWeb programming openpay_optimizationA generic optimization framework for HR and Compensation problems (Wage Scales, Merit Matrices, Pay Equity).30MITAlgorithmsScience openpgpLow-level OpenPGP packet operations based on rPGP21MIT OR Apache-2.0 openpgp-caOpenPGP CA is a tool for managing and certifying OpenPGP keys10,715GPL-3.0-or-laterCryptographyEmail openpgp-ca-libOpenPGP CA is a tool for managing and certifying OpenPGP keys15,865GPL-3.0-or-laterCryptographyEmail openpgp-ca-restdOpenPGP CA is a tool for managing and certifying OpenPGP keys2,657GPL-3.0-or-laterCryptographyEmail openpgp-cardA client implementation for the OpenPGP card specification82,001MIT OR Apache-2.0 openpgp-card-pcscPCSC OpenPGP card backend, deprecated. Superseded by card-backend-pcsc.28,491MIT OR Apache-2.0 openpgp-card-rpgpCompanion crate for using openpgp-card with rPGP25,766MIT OR Apache-2.0 openpgp-card-scdcExperimental SCDaemon Client, deprecated. Superseded by card-backend-scdc.7,788MIT OR Apache-2.0 openpgp-card-sequoiaWrapper of openpgp-card for use with Sequoia PGP52,110MIT OR Apache-2.0 openpgp-card-ssh-agentA simple ssh-agent backed by OpenPGP card authentication keys21,138MIT OR Apache-2.0 openpgp-card-stateExperimental storage mechanism for openpgp-card device state18,369MIT OR Apache-2.0 openpgp-card-tool-gitA simple tool for Git signing and verification with a focus on OpenPGP cards8,018MIT OR Apache-2.0 openpgp-card-toolsA tool for inspecting, configuring and using OpenPGP cards35,893MIT OR Apache-2.0AuthenticationCommand line utilities openpgp-cert-dShared OpenPGP Certificate Directory245,472MITAuthenticationCaching openpgp-keylistAn OpenPGP Keylist data structure10,668GPL-3.0-or-later openpgp-paper-backupGenerating and restoring paper-printable backups of OpenPGP keys7,400non-standard openpgp-piv-sequoiaA library for using PIV devices in an OpenPGP context.3,309LGPL-2.0-or-later openpgp-piv-toolsA CLI tool for using PIV devices in an OpenPGP context.2,685LGPL-2.0-or-later openpgp-pkcs11-sequoiaA library for using PKCS #11 devices in an OpenPGP context.5,545LGPL-2.0-or-later openpgp-pkcs11-toolsA CLI tool for using PKCS #11 devices in an OpenPGP context.2,701LGPL-2.0-or-later openpgp-x509-sequoiaHelper crate for interacting with X.509 certificates in an OpenPGP context7,432LGPL-2.0-or-later openphysOpenPhys is a simple physics engine library written in Rust.3,708AGPL-3.0 openpilotTowards fully autonomous driving6,824MITScience openpitEmbeddable pre-trade risk SDK257Apache-2.0Finance openpit-deriveProc-macro derives for openpit198Apache-2.0Development tools::Procedural macro helpersFinance openpmix-srcVendored build of OpenPMIx, developed for use by the Lamellar runtime.9non-standardExternal FFI bindingsNetwork programming openpnp_captureOpenPnP capture safe bindings44,287MIT openpnp_capture_sysOpenPnP capture FFI bindings52,782MIT openpodcastCLI for OpenPodcast - podcast intelligence platform24MITCommand line utilities openpolOpenPol4,631GPL-2.0 openpond-sdkOfficial Rust SDK for OpenPond P2P network1,616MITAPI bindingsAsynchronous openportFind a free unused port35,602MPL-2.0Network programming openpql-coreCore types and primitives for Poker Query Language (PQL)225MIT openpql-macroInternal crate used by Poker-Query-Language505MIT openpql-pql-parserA parser implementation for Poker Query Language (PQL)507MIT openpql-preludeBasic library for card handling and evaluation of Hold'em Short Deck poker.843MIT openpql-range-parserPoker Range Notation Parser525MIT openpql-runnerA high-performance Rust implementation of Poker Query Language (PQL), enabling SQL-like queries for poker analysis and…331MIT openproteo-coreShared types, traits, and mzML writer for open Rust mass-spec parsers.833Apache-2.0EncodingScience openproteo-ioVendor-neutral mass-spec I/O: feature-gated re-exports of opentfraw / opentimstdf / openwraw with auto-detection and an mzML…239Apache-2.0EncodingScience openproviderAPI client for OpenProvider.nl2,027MITNetwork programmingWeb programming::HTTP client openprxlA Rust spreadsheet library inspired by Python's openpyxl19MIT OR Apache-2.0EncodingParser implementations openptyRust implementation of libc openpty()3,493,815MIT OR Apache-2.0 openpxUnified SDK for prediction markets — Kalshi, Polymarket, and more279MITAPI bindingsFinance openpylotOpenPylot — A Rust-powered personal AI assistant38Apache-2.0Command line utilities openqasmParser and translator for OpenQASM 2.021,512MIT OR Apache-2.0CompilersParser implementations openqasm-parserA parser for openqasm220,654MIT openqasm3OpenQASM3 parser1,836Apache-2.0 openqbwQuickBooks .qbw file parser built on opensqlany page-store.118Apache-2.0Parser implementations openqbw-cliCommand-line exporter for QuickBooks .qbw files.76Apache-2.0Command line utilities openqvdClean-room reader/writer for Qlik QVD (.qvd) files.123Apache-2.0EncodingParser implementations openracingCrates.io reservation for the existing OpenRacing sim-racing force-feedback and telemetry project.18MIT OR Apache-2.0Game developmentHardware support openraftAdvanced Raft consensus1,114,964MIT OR Apache-2.0AlgorithmsAsynchronous openraft-legacyLegacy compatibility layer for deprecated Openraft APIs786MIT OR Apache-2.0AlgorithmsAsynchronous openraft-macrosAdvanced Raft consensus827,304MIT OR Apache-2.0AlgorithmsAsynchronous openraft-memstoreA in-memory implementation of the `openraft::RaftLogStorage` and `openraft::RaftStateMachine` trait.49,136MIT OR Apache-2.0AlgorithmsAsynchronous openraft-metrics-otelOpenTelemetry metrics integration for Openraft279MIT OR Apache-2.0 openraft-multiMulti-Raft adapters for connection sharing across Raft groups410MIT OR Apache-2.0AsynchronousData structures openraft-rocksstoreA rocksdb based implementation of the `openraft::RaftStorage` trait.46,937MIT OR Apache-2.0AlgorithmsAsynchronous openraft-rocksstore-compat07A example v07 compatible implementation of the `openraft::RaftStorage` trait.6,270MIT/Apache-2.0AlgorithmsAsynchronous openraft-rtAsync runtime abstraction traits for Openraft136,070MIT OR Apache-2.0AlgorithmsAsynchronous openraft-rt-compiocompio AsyncRuntime support for Openraft285MIT OR Apache-2.0AlgorithmsAsynchronous openraft-rt-monoiomonoio AsyncRuntime support for Openraft294MIT OR Apache-2.0AlgorithmsAsynchronous openraft-rt-tokioTokio runtime implementation for Openraft135,590MIT OR Apache-2.0 openraft-sledstoreA sled based implementation of the `openraft::RaftStorage` trait.31,577MIT OR Apache-2.0AlgorithmsAsynchronous openraft-surrealkvA simple key-value store built on top of OpenRaft, designed for learning and experimentation with Raft consensus algorithm.38MIT OR Apache-2.0AlgorithmsAsynchronous openrankCLI for OpenRank AVS2,499MIT openrank-block-builderOpenRank - Block Builder Node1,308MIT openrank-commonCommon library for OpenRank codebase12,491MIT openrank-computerOpenRank - Computer Node1,309MIT openrank-daDA wrapper for OpenRank codebase1,288MIT openrank-sdkSDK for OpenRank AVS9,691MIT openrank-sequencerOpenRank - Sequencer Node2,141MIT openrank-verifierOpenRank - Verifier Node1,319MIT openrazerAsynchronous bindings to the OpenRazer daemon.1,691MITAPI bindingsAsynchronous openrdeopenrde20MIT openreachA minimal OpenReach client.1,128MITWeb programming openrealUploaded by mistake, Do not use2,554MIT openregistryopenregistry is the software distribution hub for all of your libraries and binaries1,565MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP server openresponsesOpenResponses API types, generated from the OpenAPI specification.16,967MITData structures openresponses-rustA Rust client library for the Open Responses API specification69Apache-2.0API bindingsWeb programming openrgbOpenRGB SDK client11,947GPL-2.0Game developmentNetwork programming openrgb-daemonMinimalistic and lightweight service to wrap OpenRGB server as a notify-reload Systemd daemon1,105MIT OR Apache-2.0 openrgb2OpenRGB SDK client, successor to openrgb2,656GPL-2.0Game developmentNetwork programming openringA webring for static site generators written in Rust33,549BlueOak-1.0.0Command line utilities openrmlOpenRML (Rust Mesh Library) aims to provide a rust-native mesh processing data structures and algorithms for 3D graphics and VFX…319Apache-2.0 OR MITData structuresGraphics openrouterA library to interact with the OpenRouter API.2,201MIT OR Apache-2.0API bindingsNetwork programming openrouter-cliCLI for OpenRouter account and SDK workflows131MITCommand line utilities openrouter-clientIdiomatic async Rust SDK for the OpenRouter API.58UnlicenseAPI bindingsAsynchronous openrouter-mcpMCP stdio server and CLI for OpenRouter: model discovery, image generation/editing, and image description169MIT OR Apache-2.0API bindingsCommand line utilities openrouter-model-finderFind OpenRouter models and optionally add them to an OpenCode configuration33MITCommand line utilities openrouter-providerType definitions for the OpenRouter Provider API contract (https://openrouter.ai/docs/guides/for-providers)2,324MITData structures openrouter-rsA type-safe OpenRouter Rust SDK20,996MITAPI bindingsWeb programming::HTTP client openrouter-rustA modular, type-safe Rust client for the OpenRouter API26MIT OR Apache-2.0API bindingsAsynchronous openrouter-sdkRust SDK for OpenRouter API1,916MIT openrouter2Typed async and blocking reqwest clients for the OpenRouter API.107MIT OR Apache-2.0API bindingsAsynchronous openrouter_apiA Rust client library for the OpenRouter API5,994MIT OR Apache-2.0API bindingsAsynchronous openrouteservicerust interface to openrouteservice instances706MITScience::Geospatial openrpcopenrpc project1,484MIT OR Apache-2.0 openrpc-diffdiff two OpenRPC APIs1,278MIT OR Apache-2.0 openrpc-typesA transcription of types from the OpenRPC Specification120,551MIT OR Apache-2.0Development toolsNetwork programming