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.

omena-evidence-graphEvidence graph model and pure builder for Omena88MIT omena-incrementalSalsa-style incremental invalidation primitives for Omena945MIT omena-internerWorkspace-shared interned name identities for the Omena CSS parser stack548MIT omena-lawvereEnriched Lawvere theory contracts for the Omena transform catalog165MIT omena-lsp-serverRust LSP server boundary scaffold for Omena CSS Modules147MIT omena-meta-macrosCompile-time metadata attributes for Omena CSS spec and transform surfaces158MIT omena-napiNode native bindings for Omena CSS parser and transform checks37MITDevelopment toolsParser implementations omena-parserGreen-field cstree parser substrate for the Omena CSS parser stack527MIT omena-product-hintsProduct-owned hint contracts for Omena diagnostics49MIT omena-queryOmena query boundary over CME producer query fragments500MIT omena-query-checker-orchestratorChecker diagnostic orchestration boundary for the Omena query facade174MIT omena-query-coreCore query primitives and producer-fragment runtime for the Omena query facade175MIT omena-query-transform-runnerTransform-runner boundary for the Omena query facade174MIT omena-reachability-datalog-labIndependent Datalog reachability witness for Omena cross-file hypergraphs15MIT omena-refinementRefinement type system contracts for Omena cascade analysis189MIT omena-refinement-traitInterface-only refinement predicate contracts for Omena CSS578MIT omena-resolverOmena resolver boundary over CME source-resolution producer contracts513MIT omena-rg-flowRenormalization-group flow contracts for Omena design-system complexity176MIT omena-scss-evalOracle-first SCSS and Less value evaluator rail for Omena CSS64MIT omena-semanticSemantic boundary crate for Omena CSS Modules style analysis722MIT omena-sifSass Interface File contracts, fingerprints, and lockfile substrate for Omena CSS244MIT omena-smtSMT-encoded cascade verification contracts for Omena CSS363MIT omena-spec-auditPinned CSS specification source audit substrate for Omena CSS139MIT omena-streaming-ifdsStreaming IFDS contracts for live Omena LSP analysis89MIT omena-syntaxCSS-family syntax substrate for the Omena parser stack592MIT omena-testkitShared Rust fixture and scenario substrate for the Omena CSS test stack68MIT omena-transform-bundleCompatibility re-export for the Omena bundler V0 planning surface236MIT omena-transform-cstTransform CST contract substrate for Omena CSS451MIT omena-transform-eggOptional e-graph rewrite boundary for Omena CSS transforms264MIT omena-transform-passesTransform pass registry and DAG planner for Omena CSS410MIT omena-transform-printCSS emission and source-map boundary for Omena CSS transforms267MIT omena-transform-targetTarget feature matrix planning for Omena CSS transforms267MIT omena-tsgo-clientRust tsgo client boundary for Omena source-side type facts189MIT omena-umbrellaUmbrella facade re-exporting the omena reusable building blocks (R1) and composed engine libraries (R2).41MIT omena-value-latticeRegion-local CSS value lattice and canonical value lens for Omena CSS81MIT omena-variationalVariational cascade inference contracts for Omena CSS179MIT omena-wasmWasm bindings for browser-side Omena CSS parser and transform checks79MIT omena-zk-auditZero-knowledge cascade audit protocol contracts for Omena CSS98MIT omena-zk-circuitZero-knowledge cascade circuit contracts for Omena CSS116MIT omendbFast embedded vector database with HNSW + ACORN-1 filtered search579non-standardDatabase interfacesEmbedded development omendb-ffiC FFI bindings for OmenDB vector database219Apache-2.0Database interfacesExternal FFI bindings omengrepSemantic code search — multi-vector embeddings + BM2557MITCommand line utilitiesDevelopment tools omgCLI app for interacting with the omg.lol API6,579Apache-2.0Command line utilities omg-apiLibrary for interacting with the omg.lol API, used by the omg crate4,337Apache-2.0API bindings omg-coola library use by *Lucian*(a crate)7,086GPL-3.0 omg-elementsCore message data structures generated from OMG IDL.190Apache-2.0 omg-guiGUI app for interacting with the omg.lol API1,464Apache-2.0 omg-htmlA simple html generation library.2,768GPL-3.0-only omg-idl-code-genOMG IDL to Rust code generator library402Apache-2.0 omg-idl-genA command line tool reading OMG IDL and generating corresponding Rust data types.114Apache-2.0 omg-idl-grammarOMG IDL v4.0 grammar for pest499Apache-2.0Parsing tools omg-tuiTUI app for interacting with the omg.lol API1,477Apache-2.0 omg_coreA library to generate maps with user-defined attributes like rainfall & temperature.2,970GPL-3.0 omg_editorA map editor for omg_core.1,518GPL-3.0 omg_runtimeThe OMG language runtime and virtual machine, providing bytecode execution, REPL, and built-in functions.995MITCompilersDevelopment tools omg_serdeAdds serde support to omg_core.2,318GPL-3.0 omglibOmega library for crypto trading5,590MIT OR Apache-2.0 omglolA wraper for api.omg.lol for your Rust masterpieces.1,504MPL-2.0 omgwtf8Optimized-Matching-Generalized Wobbly Transformation Format — 8-bit1,982MIT omicronReserved, something exciting coming soon1,863MIT omicron-packagePackaging tools for Oxide's control plane software1,183MPL-2.0 omicron-workspace-hackworkspace-hack package, managed by hakari258,713CC0-1.0 omicron-zone-packagePackaging tools for Oxide's control plane software634,920MPL-2.0 omicsFoundations for omics analysis using Rust8,606MIT OR Apache-2.0 omics-coordinateFoundational representations of coordinates in the Rust omics ecosystem7,815MIT OR Apache-2.0 omics-coreCore functionality across the omics family of crates7,459MIT OR Apache-2.0 omics-moleculeFoundational representations of biological molecules in the Rust omics ecosystem1,595MIT OR Apache-2.0 omics-toolsA suite of programs for interacting with high-throughput sequencing data. e.g. Fastq/Bam/VCF File.1,673MIT omics-variationFoundational representations of variation in the Rust omics ecosystem2,050MIT OR Apache-2.0 omicsxomicsx: SIMD-accelerated sequence alignment and bioinformatics analysis for petabyte-scale genomic data38Apache-2.0 OR MITAlgorithmsData structures omidEmpty crate, used only to reserve the name1,849MIT omikujian efficient implementation of Partitioned Label Treesand its variations for extreme multi-label classification18,064MIT ominigrepminigrep1,773MIT omitOmit allows you to securely share environment variables and secrets using a single key.4,314MIT omittyOn-demand TypeScript-like Omit<> for Rust - generate type variants with omitted fields using #[omitty] and Omit! macro552MITDevelopment toolsRust patterns omkA Rust runtime for Kimi CLI. Turns prompts into proof-backed engineering runs with gates, worktrees, and replay.18MITCommand line utilitiesDevelopment tools oml-audioVery basic, and thin abstraction of audio handling meant for games.35,460MITGame developmentMultimedia oml-cryptokit-rsA very lightweight wrapper around Apple's CryptoKit for Swift.955MIT oml-gameGame foundation extracted from Fiiish-RS to remove boilerplate for future procjects.22,737MITGame developmentMultimedia oml-game-eguiVery tiny helper to use egui with oml-game.5,626MITGame developmentMultimedia oml-mailboxA very simple mailbox system with multiple backend storages.1,660MITDatabase interfaces oml-storageA very simple wrapper to handle locked storage of items.20,975MITDatabase interfaces ommandza dead simple library to just run commands44GPL-3.0 ommui_broadcastBroadcasting functionality using crossbeam-channels12,854AGPL-3.0+ ommui_dataOMMUI data structures144,186AGPL-3.0+ ommui_file_loadingFilesystem loading helpers for ommui27,998AGPL-3.0+ ommui_frontend_gtkOMMUI frontend written in GTK28,837AGPL-3.0+ ommui_relm_widgetsOMMUI relm widgets - deprecated73,530AGPL-3.0+ ommui_string_patternsString pattern checkers for OMMUI identifiers13,508AGPL-3.0 ommxOpen Mathematical prograMming eXchange (OMMX)43,306MIT OR Apache-2.0Data structuresMathematics ommx-deriveInternal derive macros for the `ommx` crate.400MIT OR Apache-2.0Data structuresMathematics ommx-pyo3-bridgeTyped PyO3 conversions from Rust OMMX values to Python OMMX objects.103MIT OR Apache-2.0API bindingsMathematics omn-spritesA small library for sprite sheet animation.2,901MITGame enginesGames omne-cliCLI for managing omne volumes: init, upgrade, and validate kernel and distro releases87MIT OR Apache-2.0Command line utilities omniA macro that handles ascending & descending ranges.3,166MIT OR Apache-2.0 omni-boxMultichain testing environment for developing chain abstracted applications on NEAR4,997Apache-2.0 omni-cliA simple CLI for converting between commonly used configuration file formats.1,553non-standard omni-cmdUnused crate - contact dave eddy (daveeddy.com) if you want it3,704MIT omni-code-bridgeRust bridge for Omni Code that connects mobile clients to local coding agents100MIT omni-data-modelData models for businesses954MIT omni-datastream-sdk-rustBootstrap Rust client for Omni Datastream35MIT omni-devAI-powered git commit rewriter, PR generator, and MCP server for Jira, Confluence, and Datadog.4,510BSD-3-ClauseCommand line utilitiesDevelopment tools omni-dnsOmniDNS420MPL-2.0 omni-exporterAn exporter built for resource-constrained systems.1,341MIT omni-fetchStreaming HTTP downloader with SHA256 verification, resume support, and zip/tar.gz extraction — Tauri-friendly13MITAsynchronousWeb programming::HTTP client omni-ffiZero-cost C++/CUDA FFI bridge for the OmniPulse Wavelet Scattering Transform engine — GPU-accelerated perceptual fingerprinting…33Apache-2.0External FFI bindingsMathematics omni-gitomni-git1,596Apache-2.0 omni-indexOmniscient Code Index - Semantic, interventionist code indexer for AI agents25MITCommand line utilitiesDevelopment tools omni-llm-kitomni llm agent for all ai provider645MIT OR Apache-2.0 omni-mdxA highly secure, DoS-resistant MDX parser and OCP binary protocol engine.39MITParsing toolsText processing omni-prismEmbeddable HTTP / WebSocket / SSE reverse proxy and static file server for desktop apps (Tauri-friendly, framework-neutral)13MITNetwork programmingWeb programming::HTTP server omni-randomwalkomni-randomwalk3,841Apache-2.0 omni-schemaUniversal Schema Generator for Rust - One source of truth, multiple outputs70MIT OR Apache-2.0Development toolsEncoding omni-schema-coreCore types and traits for omni-schema - Universal Schema Generator for Rust274MIT OR Apache-2.0Development toolsEncoding omni-schema-deriveDerive macros for omni-schema - Universal Schema Generator for Rust177MIT OR Apache-2.0Development toolsEncoding omni-streamSingle-binary streaming storage proxy: axum + tokio + aws-sdk-s3 backend with an embedded React SPA, serving local FS or…298MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP server omni-sysrust binding to omnilayer2,673MIT omni-transactionTransaction builder for all chains in Rust8,915Apache-2.0 omni-waveEasy to use DWT (Discrete Wavelet Transform) library, no need to worry about padding, and a variety of wavelets are available.3,567MIT OR Apache-2.0CompressionComputer vision omni_searchA unified Rust SDK for multimodal embedding and similarity search.250MIT OR Apache-2.0API bindingsComputer vision omni_video_appMinimal Rust package for Gemini Omni Video AI video generator site metadata and docs.rs indexing.20MITMultimedia omniaErgonomic WebAssembly component runtime built on wasmtime with pluggable WASI host services3,121MIT OR Apache-2.0AsynchronousWebAssembly omnia-azure-blobAzure Blob Storage backend provider207MIT OR Apache-2.0API bindingsWebAssembly omnia-azure-idAzure backend identity provider230MIT OR Apache-2.0API bindingsWebAssembly omnia-azure-tableAzure backend table storage provider implementing wasi-jsondb740MIT OR Apache-2.0API bindingsWebAssembly omnia-azure-vaultAzure backend secrets (vault) provider101MIT OR Apache-2.0API bindingsWebAssembly omnia-guest-macroProcedural macros for Omnia WASI guest code generation1,221MIT OR Apache-2.0AsynchronousWebAssembly omnia-kafkaKafka messaging resource232MIT OR Apache-2.0API bindingsWebAssembly omnia-mongodbMongoDB resource provider102MIT OR Apache-2.0API bindingsWebAssembly omnia-natsNATS provider for messaging, keyvalue, and blobstore80MIT OR Apache-2.0API bindingsWebAssembly omnia-opentelemetryOpenTelemetry gRPC resource provider233MIT OR Apache-2.0API bindingsWebAssembly omnia-ormObject-relational mapping helper, suitable for use with omnia-wasi-sql113MIT OR Apache-2.0AsynchronousWebAssembly omnia-otelOpenTelemetry tracing and metrics integration for the Omnia runtime3,186MIT OR Apache-2.0AsynchronousWebAssembly omnia-postgresPostgres resource provider725MIT OR Apache-2.0API bindingsWebAssembly omnia-redisRedis resource provider749MIT OR Apache-2.0API bindingsWebAssembly omnia-runtime-macroProcedural macros for Omnia runtime build code generation3,166MIT OR Apache-2.0AsynchronousWebAssembly omnia-sdkSDK for building WASI component guests with Omnia runtime support1,219MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-blobstoreWASI blobstore interface implementation for the Omnia runtime1,686MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-configWASI config interface implementation for the Omnia runtime1,395MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-httpWASI HTTP interface implementation for the Omnia runtime1,487MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-identityWASI identity and authentication interface for the Omnia runtime1,675MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-jsondbWASI JSON document store interface for the Omnia runtime1,487MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-keyvalueWASI key-value store interface for the Omnia runtime1,954MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-messagingWASI messaging pub/sub interface for the Omnia runtime1,803MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-otelWASI OpenTelemetry interface for the Omnia runtime1,791MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-otel-attrOpenTelemetry attribute macros for Omnia WASI components1,702MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-sqlWASI SQL database interface for the Omnia runtime1,930MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-vaultWASI secrets vault interface for the Omnia runtime836MIT OR Apache-2.0AsynchronousWebAssembly omnia-wasi-websocketWASI WebSocket interface for the Omnia runtime1,359MIT OR Apache-2.0AsynchronousWebAssembly omniagentA library for building intelligent agents.1,515Apache-2.0 omniblack-cprintA set of macros similar to `print!`, `println!`, `write!`, and `writeln!`, that color output40GPL-3.0-only omniborReproducible software identity and fine-grained build dependency tracking.10,498Apache-2.0CryptographyDevelopment tools omnibor-cliCLI for working with OmniBOR Identifiers and Manifests4,952Apache-2.0CryptographyDevelopment tools omniboxTurnkey small IDS system1,535MIT omnibusA lightweight, in-process publish/subscribe event bus for Rust28MITConcurrencyData structures omnicalPrint calendars, convert dates, and more.16,582MIT omnicaptchaFacade crate for the captcha-sdk server-side CAPTCHA API20MITAPI bindingsAuthentication omnicatUniversal file preview for terminal and GUI — a context-aware cat112MIT omnicliOmnipotent dev tool37,294LGPL-2.1 omnicopy_to_outputGeneralized post build copy to place files in output directory23,968MIT OR Apache-2.0Filesystem omnidotdev-cliAgentic CLI for the Omni ecosystem101MITCommand line utilitiesDevelopment tools omniferenceA multi-protocol inference engine with provider adapters455MITAsynchronousWeb programming omnifetchPrint information about an OmniOS machine.4,676MIT omniflash-sdkOmni Flash Rust SDK — generate short videos (with synchronized audio) and images using the Gemini Omni Flash family of models.20MITAPI bindings omniflix-channel-typesTypes for the channel contract781Apache-2.0 omniflix-stdStandard library for Omniflix cosmwasm contracts26,952MIT OR Apache-2.0 omniflix-std-deriveDerive macros for Omniflix cosmwasm package10,478MIT OR Apache-2.0 omnifs-cliCommand-line interface for mounting OmnIFS virtual filesystems20MIT OR Apache-2.0Command line utilitiesFilesystem omnifs-hostHost runtime for the OmnIFS virtual filesystem with WASM provider support45MIT OR Apache-2.0FilesystemWebAssembly omnifs-mount-schemaWire types for the omnifs.provider-manifest.v1 custom section184MIT OR Apache-2.0FilesystemWebAssembly omnifs-provider-arxivomnifs provider for browsing arXiv papers19MIT OR Apache-2.0FilesystemScience omnifs-provider-dnsomnifs provider for DNS record browsing via DNS-over-HTTPS18MIT OR Apache-2.0FilesystemNetwork programming omnifs-provider-githubomnifs provider for browsing GitHub repositories, issues, and pull requests20MIT OR Apache-2.0FilesystemWebAssembly omnifs-sdkSDK for building omnifs providers95MIT OR Apache-2.0Development toolsFilesystem omnifs-sdk-macrosProc macros for the omnifs provider SDK116MIT OR Apache-2.0Development tools::Procedural macro helpersWebAssembly omnifuse-appApplication-level mount preparation for OmniFuse78MIT omnifuse-cliCLI for OmniFuse — a universal VFS utility45MITCommand line utilitiesFilesystem omnifuse-coreOmniFuse core: Backend trait, SyncEngine, VFS, FileBufferManager178MITFilesystem omnifuse-gitGit backend for OmniFuse105MITFilesystem omnifuse-s3S3-compatible backend for OmniFuse powered by OpenDAL36MITFilesystem omnifuse-wikiWiki backend for OmniFuse110MITFilesystem omniget-cliCommand-line interface for OmniGet download manager26GPL-3.0-or-laterCommand line utilities omniget-coreCore download engine for OmniGet57GPL-3.0-or-laterMultimedia omniget-plugin-sdkSDK for building OmniGet plugins17GPL-3.0-or-laterDevelopment tools omnigraphA graph library for agent knowledge representation1,535Apache-2.0 omnigraph-api-typesShared HTTP wire DTOs for Omnigraph — request/response types and engine-result → DTO mappings used by both omnigraph-server and…141MIT omnigraph-cliCLI for the Omnigraph graph database.222MIT omnigraph-clusterCluster configuration validation, planning, and config-only apply for Omnigraph.139MIT omnigraph-compilerSchema/query compiler for Omnigraph. Zero Lance dependency.495MIT omnigraph-engineRuntime engine for the Omnigraph graph database.422MIT omnigraph-policyPolicy / authorization layer for Omnigraph — Cedar-backed PolicyEngine, PolicyChecker trait, ResourceScope enum.342MIT omnigraph-serverHTTP server for the Omnigraph graph database.302MIT omnihookWebhook client with payload builders for Slack, Discord, Telegram and generic webhooks with optional HMAC signing and idempotency…189MITNetwork programming omnilinterGeneral purpose bulk linter3,961GPL-3.0-or-laterCommand line utilitiesDevelopment tools omnillmProduction-grade LLM API gateway with multi-key load balancing, per-key rate limiting, circuit breaking, and cost tracking110MIT OR Apache-2.0API bindingsAsynchronous omniluaEvery Lua, everywhere — pure-Rust Lua 5.1–5.5, suite-passing, LuaRocks-compatible, wasm-ready.566MIT omnilua-cliEvery Lua, everywhere — pure-Rust Lua 5.1–5.5, suite-passing, LuaRocks-compatible, wasm-ready.439MIT omnilynceusPlugin CLI for OmniLynceus17MIT omnilynceus_libPlugin library for OmniLynceus17MIT omnimeshZero-allocation mesh networking middleware for autonomous robot fleets, edge-AI swarms, and multi-agent systems32MITEmbedded developmentNetwork programming