All 305,250 crates, alphabetically

opusfile-ngBindings for the stand-alone decoder library for .opus streams5,219BSD-3-Clause opusfile-rsRust wrapper for libopusfile14,767MIT/Apache-2.0 opusfile-sysBindings to libopusfile8,057MIT opusic-cHigh level bindings to libopus30,793BSD-3-ClauseEncodingExternal FFI bindings opusic-sysBindings to libopus559,340BSD-3-Clause opusmetaA Rust crate for reading and writing metadata to opus files6,280MIT opxEnhance 1password secret expansion with the opx CLI3,198MIT opysFile-based inventory of typed markdown documents (a git-native, AI-friendly issue tracker) — the opys CLI354Apache-2.0Command line utilitiesDevelopment tools opys-backend-markdown-localMarkdown + local-filesystem storage backend for opys58Apache-2.0 opys-coreopys manifest data model + shorthand + Val/Valset. Reference implementation of opys.json.533MIT opys-engineCore library for opys — a file-based inventory of typed markdown documents with a verify gate and SQL query layer60Apache-2.0Development tools opys-mojang-rulesMojang-standard rule format (os / features / rule / ruleset). Pure Rust port of @opys/mojang-rules.610MIT opys-runtimeopys install + launch executor. Consumes a frozen Manifest.420MIT opys-tuiInteractive terminal UI for opys27Apache-2.0 opz1Password CLI wrapper for seamless secret injection into commands650MIT opzioniA slim and fast configuration library for Rust8,848MIT OR Apache-2.0Configuration oqObject Query - jq for JSON, YAML, TOML, and TOON481MIT OR Apache-2.0Command line utilitiesEncoding oq3_lexerLexer for OpenQASM 3 parser/analyzer809,416Apache-2.0Parser implementations oq3_parserParser for OpenQASM 3 parser/analyzer808,981Apache-2.0Parser implementations oq3_semanticsAST with semantic information for OpenQASM 3 parser/analyzer804,810Apache-2.0Parser implementations oq3_source_fileManage parsing source files, included files, and reporting diagnotics OpenQASM 3 parser/analyzer808,075Apache-2.0Parser implementations oq3_syntaxComment and whitespace preserving parser for the OpenQASM 3 parser/analyzer808,333Apache-2.0Parser implementations oqlReadable, declarative query syntax for Rust iterators19MITRust patterns oql-macroProc-macro implementation for the `oql` crate; end users should depend on `oql` instead54MITDevelopment tools::Procedural macro helpersRust patterns oqsA Rusty interface to Open-Quantum-Safe's liboqs144,944MIT OR Apache-2.0 oqs-safePost-Quantum Cryptography (PQC) toolkit in Rust with ML-KEM, ML-DSA, hybrid cryptography (X25519 + ML-KEM), and secure session…1,274MIT OR Apache-2.0API bindingsCryptography oqs-sysBindings to liboqs198,902MIT OR Apache-2.0 oqueueNon-interleaving multithreaded output queue29,167MIT OR Apache-2.0Concurrency oror83MIT or-7bash parser library1,561MIT or-anchorDocument chunking and in-memory retrieval (RAG) pipeline for Orchustr.19MIT OR Apache-2.0 or-beaconPrompt templating and validation for Orchustr.18MIT OR Apache-2.0 or-checkpointPause/resume checkpointing that serializes and restores Orchustr run state.17MIT OR Apache-2.0 or-colonyMulti-agent coordination and reply aggregation for Orchustr.17MIT OR Apache-2.0 or-compassPredicate-based routing that selects the next branch from state in Orchustr graphs.18MIT OR Apache-2.0 or-conduitLLM provider abstraction for Orchustr with adapters for Anthropic, OpenAI, Gemini, and more.19MIT OR Apache-2.0 or-coreCore contracts for Orchustr: state traits, retry policies, token budgets, and in-memory persistence.170MIT OR Apache-2.0 or-dieThe crate provides deterrent methods for unwrapping a value from Options and Results with better parametrization46MIT or-iteratorRust iterator which takes two iterators and returns non-empty one65,294MIT or-lensLocal execution dashboard and in-process trace collection for Orchustr.18MIT OR Apache-2.0 or-panicunwrap or panic17,179MIT OR Apache-2.0Development toolsNo standard library or-pipelineSequential state pipeline runtime for Orchustr.20MIT OR Apache-2.0 or-prismOrchustr is a multi-language agentic AI orchestration framework.27MIT OR Apache-2.0 or-recallShort-term, long-term, and episodic memory stores for Orchustr agents.18MIT OR Apache-2.0 or-relayParallel branch execution with deterministic state merging for Orchustr.19MIT OR Apache-2.0 or-rsor-rs's enum types.3,861MITDevelopment toolsParsing tools or-rs-macrosor-rs's proc macros.2,679MITDevelopment toolsParsing tools or-schemaSerializable graph descriptors (YAML/JSON) shared by Orchustr runtimes and tooling.18MIT OR Apache-2.0 or-sieveStructured-output parsing that validates LLM responses against JSON schemas for Orchustr.17MIT OR Apache-2.0 or-toolsUnofficial Rust wrappers to the C++ library Google OR-Tools, open source software for combinatorial optimization2,106Apache-2.0 or-tools-coreShared tool traits, registry, and dispatcher for the Orchustr tool crates.18MIT OR Apache-2.0 or-tools-sysUnofficial Rust wrappers to the C++ library Google OR-Tools, open source software for combinatorial optimization2,453Apache-2.0 or_poisonedUnwrap std lock guards in a semantic way.1,744,453MIT or_typeGeneric either-or type1,596MIT oraPart of the Ora scheduler framework.21,968MIT OR Apache-2.0 ora-apiPart of the Ora scheduler framework.12,011MIT OR Apache-2.0 ora-backendPart of the Ora scheduler framework.548MIT OR Apache-2.0 ora-backend-postgresPart of the Ora scheduler framework.271MIT OR Apache-2.0 ora-cliCommand line interface for the Ora scheduler.200MIT OR Apache-2.0 ora-clientPart of the Ora scheduler framework.14,351MIT OR Apache-2.0 ora-client-macrosPart of the Ora scheduler framework.1,939MIT OR Apache-2.0 ora-commonPart of the Ora scheduler framework.8,445MIT OR Apache-2.0 ora-graphqlPart of the Ora scheduler framework.10,297MIT OR Apache-2.0 ora-macrosPart of the Ora scheduler framework.2,498MIT OR Apache-2.0 ora-protoPart of the Ora scheduler framework.3,834MIT OR Apache-2.0 ora-schedulerPart of the Ora scheduler framework.5,594MIT OR Apache-2.0 ora-serverPart of the Ora scheduler framework.5,973MIT OR Apache-2.0 ora-storagePart of the Ora scheduler framework.3,769MIT OR Apache-2.0 ora-storage-fjallPart of the Ora scheduler framework.1,395MIT OR Apache-2.0 ora-storage-memoryPart of the Ora scheduler framework.2,804MIT OR Apache-2.0 ora-storage-sqlitePart of the Ora scheduler framework.10,484MIT OR Apache-2.0 ora-store-memoryPart of the Ora scheduler framework.7,625MIT OR Apache-2.0 ora-store-sqlxPart of the Ora scheduler framework.14,562MIT OR Apache-2.0 ora-testPart of the Ora scheduler framework.7,940MIT OR Apache-2.0 ora-timerPart of the Ora scheduler framework.7,180MIT OR Apache-2.0 ora-utilPart of the Ora scheduler framework.4,840MIT OR Apache-2.0 ora-workerPart of the Ora scheduler framework.10,483MIT OR Apache-2.0 oracAn agent-friendly local knowledge base tool25MITCommand line utilitiesDevelopment tools oracleOracle binding2,247,436UPL-1.0/Apache-2.0 oracle-consumer-neoNeo N3 Oracle consumer smart contract for requesting and receiving off-chain data23MITCryptography::CryptocurrenciesWebAssembly oracle-nosql-db-sdk-rustoracle nosql db sdk for rust39,105MIT oracle-nosql-rust-sdkOracle Rust SDK for the NoSQL Database2,067UPL-1.0Database interfaces oracle-nosql-rust-sdk-deriveOracle Rust SDK Derives for the NoSQL Database2,114UPL-1.0Database interfaces oracle-rsPure Rust driver for Oracle databases - no OCI/ODPI-C required7,242MIT OR Apache-2.0AsynchronousDatabase interfaces oracle-soroban-kitDemo oracle soroban smart contract for soroban-kit.5,091non-standard oracle-tuiBlazing-fast Rust Code Inspector for the Terminal100MITCommand line utilitiesDevelopment tools oracle_omen_coreCore types and abstractions for oracle.omen deterministic agent framework549GPL-3.0Data structuresDevelopment tools oracle_omen_memoryCRDT memory with provenance tracking for oracle.omen124GPL-3.0 oracle_omen_patchesSelf-evolution patch system with gates for oracle.omen25GPL-3.0 oracle_omen_planPlanning DSL and DAG compiler for oracle.omen124GPL-3.0 oracle_omen_policyPolicy language and evaluation engine for oracle.omen122GPL-3.0 oracle_omen_runtimeTool execution and scheduling runtime for oracle.omen27GPL-3.0 oracle_omen_wasmWASM sandbox with fuel limits for oracle.omen25GPL-3.0 oracle_procmacroProcedural macro for the oracle crate2,152,149UPL-1.0/Apache-2.0 oracle_sql_toolsAn extension to the Rust-Oracle crate to make simple queries easy to implement.12,839MITConcurrencyDatabase interfaces oracledbPure-Rust async Oracle Database thin-mode driver.4,203MIT OR Apache-2.0AsynchronousDatabase interfaces oracledb-deriveProcedural macros for the `oracledb` driver (`#[derive(FromRow)]`).673MIT OR Apache-2.0Database interfaces oracledb-protocolSans-I/O Oracle TNS/TTC protocol core for the oracledb crate.4,300MIT OR Apache-2.0Database interfacesNetwork programming oraclemcpEngine-free, governed least-privilege Oracle Database MCP server with a fail-closed SQL guard and confirmation-gated operating…272Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-auditOut-of-band durable audit sink (fsync-before-execute, hash chain) for oraclemcp (Apache-2.0 OR MIT)1,188Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-authTransport auth (OAuth 2.1 RS, mTLS, init token), step-up confirmation delivery and secrets for oraclemcp (Apache-2.0 OR MIT)626Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-configLayered configuration + connection profiles for the oraclemcp Oracle MCP server (Apache-2.0 OR MIT)628Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-coreMCP protocol surface, Tool/ToolRegistry contract and capabilities for the oraclemcp server.566Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-dbOracle connectivity, pooling, session leases and the type/NLS serializer for oraclemcp.952Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-errorStructured, agent-facing error envelope for the oraclemcp Oracle MCP server (Apache-2.0 OR MIT)1,275Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-guardFail-closed statement classifier, operating levels, policy and approval tokens for oraclemcp (Apache-2.0 OR MIT)1,122Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclemcp-telemetrytracing / OpenTelemetry / health-endpoint observability for oraclemcp (Apache-2.0 OR MIT)624Apache-2.0 OR MITDatabase interfacesDevelopment tools oraclesStateless cryptocurrency rate oracle service/library49MIT oracletraitsA Rust package for implementing a random oracle by DiaData.1,560MIT OR Apache-2.0 oracularhades-mirror-frank_jwtThis is a mirror of GildedHonour's frank_jwt soley for the purpose of mitigating supply-chain attacks against very important…3,956Apache-2.0 oraichain_decimalOraichain Labs858MIT oraiswapCommon oraiswap types used in different Oraichain Labs contracts like oraiDEX, IBC Wasm5,006MIT oramAn implementation of Oblivious RAM.29,085MIT OR Apache-2.0Cryptography orama-js-poolCreate a pool of JavaScript engines to invoke JavaScript code concurrently.25,804AGPL-3.0ConcurrencyVirtualization oramacore-clientServer-side Rust client for OramaCore and Orama Cloud1,586AGPL-3.0-onlyAPI bindingsWeb programming::HTTP client oramacore_fieldsOn-disk field indexes (bool, number, string, string_filter, geopoint) for search engines5,172AGPL-3.0-or-later oramacore_libInternal structures and utilities used by OramaCore. See orama.com for more details.3,623non-standard oramacore_ptrieGeneric trie data structure implementation (prefix tree) with support for different key and value types, and functions to search…3,252non-standardData structures oramfsOramfs provides a fully encrypted and optionally authenticated Oblivious RAM filesystem.1,655GPL-3.0 oranda🎁 generate beautiful landing pages for your projects56,968MIT OR Apache-2.0 oranda-generate-cssthe part of oranda that generates CSS23,819MIT OR Apache-2.0 orangeHardware support crate for OrangeSoC.5,512MIT orange-catA cat clone which colorizes its output1,414GPL-3.0-onlyCommand line utilities orange-cliCommand line interface for interacting with OrangeSoC.1,641MIT orange-treesTree data structure with several methods to query and manipulate nodes.41,663MITData structures orange_bay-36.721441, 174.9546181,675MIT orange_nameDecentralized Identity287BSD-3-Clause orangeboxFlight recorder for AI coding sessions: record, search, and recover every conversation16MITCommand line utilitiesDevelopment tools orangebox-applicationApplication services and ports for Orangebox, the flight recorder for AI coding sessions20MITCommand line utilitiesDevelopment tools orangebox-domainDomain entities for Orangebox, the flight recorder for AI coding sessions21MITCommand line utilitiesDevelopment tools orangebox-infrastructureSQLite archive, tool adapters, and platform services for Orangebox18MITCommand line utilitiesDevelopment tools orangekiwi_artSimple crate from Let's Get Rusty Youtube channel, Publishing a Rust Crate!1,236MIT OR Apache-2.0 oranginoA Tangerino plugin for Slack to punch in and out from your CLI, while letting your team know right away.3,189MIT OR Apache-2.0Command line utilities orangutanFlask-like super simple and lightweight web server framework for rust5,172MIT orangutan_macroFlask-like super simple and lightweight web server framework for rust3,722MIT orao-fuel-vrfORAO VRF Verifiable Random Function for Fuel Blockchain.9,048Apache-2.0 orao-oracles-price-serviceORAO Oracles Price Service1,165Apache-2.0 orao-solana-vrfORAO Verifiable Random Function for Solana.46,802Apache-2.0 orao-solana-vrf-cbORAO Verifiable Random Function with Callback for Solana.4,537Apache-2.0 orao_solanaOrao Oracles on-chain SDK for Solana1,584Apache-2.0 orareAI-enabled Rust CAN + actuator control library for humanoids, embedded devices, and operating systems by Knott Dynamics and…17MIT OR Apache-2.0Development toolsHardware support orasAn ORAS (OCI Registry As Storage) implementation in rust.1,800MIT orasis-pluginBase crate for Orasis plugins.22,169GPL-3.0-or-laterGraphicsMultimedia::Images orasortHigh-performance, cache-efficient sorting library optimized for common prefixes.103MIT OR Apache-2.0AlgorithmsData structures oratiospeech recognition client, now support FunASR offline mode487non-standardCommand line utilities oratorServer stub generation from OpenAPI 3.1 specs543MITWeb programmingWeb programming::HTTP server orator-axumAxum runtime support for orator347MITWeb programmingWeb programming::HTTP server orator-axum-codegenAxum code generation for orator612MITWeb programmingWeb programming::HTTP server orator-coreServer stub generation from OpenAPI 3.1 specs740MITWeb programmingWeb programming::HTTP server oratosWebsite visibility intelligence for SEO, accessibility, structured metadata, and AI readiness.89MITCommand line utilitiesDevelopment tools oratos-auditDeterministic audit rules for Oratos80MITCommand line utilitiesDevelopment tools oratos-coreCore types and scoring for Oratos website visibility audits143MITCommand line utilitiesDevelopment tools oratos-generateRecommendation and prompt generation for Oratos55MITCommand line utilitiesDevelopment tools oratos-htmlHTML loading and page extraction for Oratos98MITCommand line utilitiesDevelopment tools oratos-reportReport formatters for Oratos audit results57MITCommand line utilitiesDevelopment tools orbAn abstraction for writing runtime agnostic async code. Orb provides interfaces to adapt different async runtimes like smol and…3,152MITConcurrencyNetwork programming orb-billingAn async API client for the Orb billing platform.104,494Apache-2.0API bindingsWeb programming orb-browseA TUI browser widget for Rust with WebDriver automation for terminal applications159Apache-2.0Command line utilitiesWeb programming orb-daemonOrb DevKit desktop daemon - secure TCP/WS bridge for the Orb mobile app30MIT OR Apache-2.0Command line utilitiesNetwork programming orb-mockhttpMock HTTP server for testing - supports HTTP/1.1, HTTP/2, and HTTP/3119MIT orb-network-managerRust NetworkManager bindings2,684Apache-2.0API bindingsNetwork programming orb-smolorb interface adaptor for smol-rs ecology. Orb is an abstraction for writing runtime agnostic async code.1,805MITConcurrencyNetwork programming orb-tokioorb interface adaptor for tokio ecology. Orb is an abstraction for writing runtime agnostic async code.2,079MITConcurrencyNetwork programming orb-unpackUnpack a CircleCI orb.yml into separate files compatible with orb packing3,938ISCCommand line utilitiesConfiguration orb8eBPF-powered observability toolkit for Kubernetes with GPU telemetry112Apache-2.0Command line utilities orb8-agentNode agent for orb8 (DaemonSet)158Apache-2.0Command line utilitiesDevelopment tools::Profiling orb8-cliCommand-line interface for orb8286Apache-2.0Command line utilities orb8-commonShared types between eBPF and userspace for orb8367Apache-2.0Development tools orb8-protogRPC protocol definitions for orb8488Apache-2.0Network programming orbal-netPer-mission agent coordination: one binary, client + server, over JSON/HTTP.50MIT OR Apache-2.0Command line utilitiesNetwork programming orbbec-sdkHigh-level bindings to Orbbec SDK v2368MITComputer visionExternal FFI bindings orbbec-sdk-sysLow-level Rust bindings for https://github.com/orbbec/OrbbecSDK_v2895MITComputer visionExternal FFI bindings orbclientThe Orbital Client Library19,010,171MIT orbclient_window_shortcutsShortcut support for orbclient::Window9,646MITGUI orberTurn photos and videos into abstract orb mood images and short-form vertical videos68MITCommand line utilitiesGraphics orbexaRust CLI for applying Codexa-generated Notion artifacts to managed Notion data sources and pages.81MITCommand line utilitiesDevelopment tools orbfontOrbital font rendering66,561MIT orbimageOrbital image features60,320non-standard orbinum-encrypted-memoEncrypted memo primitives for Orbinum shielded transactions173Apache-2.0 OR GPL-3.0-or-laterCryptographyNo standard library orbinum-protocol-coreCore protocol primitives and WASM bindings for interacting with Orbinum40Apache-2.0 OR GPL-3.0-or-later orbinum-zk-circuitsZero-Knowledge R1CS circuits and gadgets for Orbinum Network58Apache-2.0 OR GPL-3.0-or-laterCryptographyNo standard library orbinum-zk-coreCore Poseidon-based cryptographic primitives for Zero-Knowledge proofs in Orbinum Network780Apache-2.0 OR GPL-3.0-or-laterCryptographyNo standard library orbisRigid body kinematics for orbital applications1,521MIT orbis-pfsLibrary for reading PlayStation 4 PFS (PlayStation File System) images227MIT OR Apache-2.0FilesystemParser implementations orbis-pkgLibrary for parsing and extracting PlayStation 4 PKG files227MIT OR Apache-2.0CryptographyParser implementations orbis-pkg-utilLibrary and CLI for working with PlayStation 4 PKG files147MIT OR Apache-2.0Command line utilities orbis-plugin-apiPublic API for developing Orbis plugins25Apache-2.0GUIWebAssembly orbis-unpkgLibrary and command-line tool for inspecting and extracting PlayStation 4 PKG files.37non-standardFilesystemParser implementations orbis_encoderR485 Driver for Orbis Rotary Absolute Magnetic Encoder Module.1,695Apache-2.0 orbitApplication-native event messaging for distributed systems.19Apache-2.0AsynchronousDatabase interfaces orbit-cameraThird-person orbit/follow camera with pitch-scaled distance, smooth following and geometry clipping75MIT OR Apache-2.0Game development orbit-cliCommand-line tool to easily deploy Laravel sites using Orbit.1,243MITCommand line utilities orbit-clientAn API client for the Orbit Server API1,562MIT orbit-dbNo description provided.1,758MIT orbit-idOrbit ID v1 encoder, decoder, and synchronous generator45Apache-2.0Encoding orbit-mdFast static site generator with React-like Markdown components16MITCommand line utilitiesWeb programming orbit-metricsMetrics snapshot families over orbit-rs rings.17MIT OR Apache-2.0 orbit-rsFleet-aware shared-memory rings over POSIX shared memory.55MIT OR Apache-2.0ConcurrencyData structures orbit-senseA real-time satellite tracking application with 2D map visualization, orbital pass prediction, and live telemetry.43MITGUIScience orbit-serverOrbit enables simple & secure zero-downtime deployments for your Laravel apps.1,231MIT