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.

next-transform-strip-page-exportsTBA1,166MPL-2.0 next-utilThis crate is mainly used as a tool for daily development, as long as it is simple and applicable1,112MIT next-webMake everything simpler!62MIT OR Apache-2.0 next-web-aiNext Web Ai!347MIT OR Apache-2.0 next-web-api-docApi Doc107MIT OR Apache-2.0 next-web-commonA common utility library for the Next Web framework993MIT next-web-coreCore library for the Next Web framework, providing essential web server and middleware abstractions.4,825MIT OR Apache-2.0 next-web-data-databaseNext Web Data Database351MIT OR Apache-2.0 next-web-macrosProvide a series of commonly used macros441MIT OR Apache-2.0 next-web-mqNext Web Mq1,198MIT OR Apache-2.0 next-web-mqttNext Web Mqtt.2,561MIT OR Apache-2.0 next-web-pay-alipayA alipay pay Service22MIT OR Apache-2.0 next-web-retryA retry template99MIT OR Apache-2.0 next-web-securityA security framework for Next Web Framework100MIT OR Apache-2.0 next-web-smsNext Web SMS508MIT OR Apache-2.0 next-web-utilsWeb Utils646MIT OR Apache-2.0 next-web-websocketNext Web Websocket2,206MIT OR Apache-2.0 next_api_referenceA NextJS 13 route handler api reference generator3,783Apache-2.0Command line utilities next_episodeFind the next possible episode4,884Apache-2.0 next_fibonacciCalculate the next fibonacci number with a simple CLI tool1,496MIT OR Apache-2.0 next_long_reverserThe preimage of nextLong() for the Java LCG3,279MITAlgorithmsData structures next_macrosMacros for `next`1,518MIT OR Apache-2.0Mathematics next_primeA function that returns the next prime greater than or equal to its argument4,167MIT next_semverSend your current version and the type of bump you want, and you get back the new version. As webpage or as library.2,367Apache-2.0 next_tupleA trait to build and extend tuples.1,737,814MIT next_versionDetermine next semantic version based on conventional commits587,467MIT OR Apache-2.0Development toolsParsing tools nextaction-rsAdd nextaction tag to todoist obeying omnifocus' way3,670MIT nextapiNext API: A simple Restful API framework for Rust1,446MIT nextartBox art manager for NextUI758GPL-3.0-onlyGUIMultimedia nextcloud-client-apiimplementation of the socket API for the NextCloud client1,180Apache-2.0API bindings nextcloud-config-parserRust parser for nextcloud config files47,339MIT OR Apache-2.0 nextcloud-passwords-clientBindings to the nextcloud passwords HTTP API11,204MITAPI bindings nextcloud-route-extractorExtract routes from nextcloud apps1,063EUPL-1.2 nextcloud_analytics_rsSmall Rust wrapper to use the Nextcloud Analytics API1,717GPL-3.0-or-later nextcloud_appinfoLibrary to read app info of an Nextcloud app35,862GPL-3.0 nextcloud_appsignatureLibrary to sign Nextcloud apps15,458GPL-3.0 nextcloud_appstoreRust library for the Nextcloud app store20,360GPL-3.0 nextcloud_news_apirust implementation of the NextCloud News REST API21,139GPL-3.0-or-later nextdbNext generation database management tools1,185MIT nextdeckA TUI wrapper for cargo-nextest, Clap-powered xtasks, and more.14Apache-2.0Command line utilitiesDevelopment tools::Testing nextdeck-helperIntegration helpers for Nextdeck test events and Clap-powered xtasks16Apache-2.0Development tools::Testing nextdoorWebsocket client Router4,089MIT nextera_jwtNext Era JSON Web Token Attribute6,242Apache-2.0 nextera_utilsNext Era Myanmar Solutions Utilities for Rust11,825Apache-2.0 nextestStub crate, you likely want cargo-nextest instead29,402MIT OR Apache-2.0 nextest-filteringFiltering DSL for cargo-nextest6,368,236MIT OR Apache-2.0Development tools::Testing nextest-metadataStructured access to nextest machine-readable output.6,712,138MIT OR Apache-2.0Development tools::Testing nextest-runnerCore runner logic for cargo nextest.6,577,584MIT OR Apache-2.0Development tools::Testing nextest-workspace-hackworkspace-hack package, managed by hakari6,857,805CC0-1.0 nextgenNextGen: Empowering the future with cutting-edge AI.1,631Apache-2.0 nextgraphNextGraph client library. Nextgraph is a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs8,074MIT/Apache-2.0AsynchronousDatabase implementations nextid_sdkRust SDK for NextID components3,830MIT nextjlcA powerful library to convert and streamline Gerber file preparation for JLC.26non-standardData structuresEncoding nextjs_react_compilerRust port of the React Compiler, vendored from facebook/react.3,765MIT nextjs_react_compiler_astRust port of the React Compiler, vendored from facebook/react.3,875MIT nextjs_react_compiler_diagnosticsRust port of the React Compiler, vendored from facebook/react.3,908MIT nextjs_react_compiler_hirRust port of the React Compiler, vendored from facebook/react.3,895MIT nextjs_react_compiler_inferenceRust port of the React Compiler, vendored from facebook/react.3,786MIT nextjs_react_compiler_loweringRust port of the React Compiler, vendored from facebook/react.3,851MIT nextjs_react_compiler_optimizationRust port of the React Compiler, vendored from facebook/react.3,802MIT nextjs_react_compiler_reactive_scopesRust port of the React Compiler, vendored from facebook/react.3,782MIT nextjs_react_compiler_ssaRust port of the React Compiler, vendored from facebook/react.3,836MIT nextjs_react_compiler_swcRust port of the React Compiler, vendored from facebook/react.3,737MIT nextjs_react_compiler_typeinferenceRust port of the React Compiler, vendored from facebook/react.3,787MIT nextjs_react_compiler_utilsRust port of the React Compiler, vendored from facebook/react.3,805MIT nextjs_react_compiler_validationRust port of the React Compiler, vendored from facebook/react.3,786MIT nextlaunchWatch a countdown until the next rocket launch, live in your terminal!9,290MIT nextpassA CLI to interract with Nextcloud passwords8,094GPL-3.0-or-laterAPI bindingsCommand line utilities nextreeMultithreaded cli tool similar in use to tree, with optional logging and CSV output4,981MITCommand line utilities nextrsA Next.js-style React routing framework for Rust built on Axum.311Apache-2.0 nextrs-macrosProc-macros for nextrs (the #[nextrs::api] attribute).220Apache-2.0 nextsql-backend-rust-runtimeRuntime support library for NextSQL generated Rust code391MIT nextsql-tokio-postgres-adaptertokio-postgres / deadpool-postgres adapter for NextSQL runtime283MIT nextsvNext semantic version calculator90,302MIT nextupnextup keeps your barrier to starting development sessions under control by tracking the next action to take on a maximum of 3…4,949MIT/X11 OR Apache-2.0Command line utilities nextup-tuiA terminal application that randomizes a list of names. Useful for daily standup meetings.70MIT nextverA library for parsing and incrementing arbitrarily-formatted versions.17,470MITCommand line utilitiesDevelopment tools::Build Utils nexumLibrary with a collection of commonly used data structures3,841MIT nexusA high performance networking library5,836BSD-3-Clause nexus-acto-rsA Rust crate for Actors39,952MIT OR Apache-2.0AsynchronousConcurrency nexus-actor-core-rsCore library for Nexus Actor19,669MIT OR Apache-2.0AsynchronousConcurrency nexus-actor-message-derive-rsA Rust crate for Actors message3,006MIT OR Apache-2.0AsynchronousConcurrency nexus-actor-remote-rsRemote library for Nexus Actor6,665MIT OR Apache-2.0AsynchronousConcurrency nexus-actor-utils-rsUtility library for Nexus Actor8,070MIT OR Apache-2.0AsynchronousConcurrency nexus-aiTUI dashboard for monitoring Claude Code and Gemini CLI sessions — usage, tokens, costs, git status20MITCommand line utilitiesDevelopment tools nexus-apiA high level api for nexus based on nexus-lib1,489MIT nexus-asciiFixed-capacity ASCII strings for high-performance systems8,381MIT OR Apache-2.0Data structuresNo standard library nexus-async-netAsync WebSocket adapter for nexus-net. Tokio-compatible, zero-copy, SIMD-accelerated.428MIT OR Apache-2.0ConcurrencyData structures nexus-async-rtExperimental single-threaded async executor (reference implementation; tokio is the supported path for production use)284MIT OR Apache-2.0ConcurrencyData structures nexus-async-webAsync WebSocket and REST adapter for nexus-web. Tokio-compatible, zero-copy, SIMD-accelerated.1,156MIT OR Apache-2.0ConcurrencyData structures nexus-bitsBit field packing for integer IDs5,574MIT OR Apache-2.0Data structuresNo standard library nexus-bits-deriveDerive macros for nexus-bits. Use nexus-bits instead of depending on this directly.6,139MIT OR Apache-2.0Data structuresNo standard library nexus-channelHigh-performance lock-free SPSC channel for low-latency systems4,315MIT OR Apache-2.0ConcurrencyData structures nexus-cliNexus CLI provides an interface to interact with the Nexus Workflow.767non-standardAPI bindingsCommand-line interface nexus-collectionsSlab-backed intrusive collections for low-latency systems3,844MIT OR Apache-2.0Data structures nexus-commonNexus common utils1,489MIT nexus-coreCore storage engine, WAL, topology, and data-path primitives for Nexus.89MITDatabase implementationsFilesystem nexus-decimalFixed-point decimal arithmetic with compile-time precision2,820MIT OR Apache-2.0ConcurrencyData structures nexus-exchangeOfficial Rust SDK for the Nexus Exchange API (REST + WebSocket)913MIT OR Apache-2.0API bindingsAsynchronous nexus-gatewayS3-compatible object gateway and embedded Nexus console.21MITDatabase implementationsFilesystem nexus-graph-sdkOfficial Rust SDK for Nexus graph database266Apache-2.0Database interfacesWeb programming nexus-idHigh-performance ID generators for low-latency systems3,570MIT OR Apache-2.0ConcurrencyData structures nexus-inferenceML inference engine for pre-trained models49MIT OR Apache-2.0AlgorithmsScience nexus-langA programming language for generating component network descriptions.288MPL-2.0CompilersParser implementations nexus-lang-cliCommand-line interface and REPL for the Nexus network description language.126MPL-2.0Command line utilitiesCompilers nexus-lang-cxxC++ bindings for the Nexus network-description language, via the cxx bridge.48MPL-2.0 nexus-lang-ffiC ABI bindings for the Nexus network-description language.71MPL-2.0 nexus-lang-pyPython bindings for the Nexus network-description language, via PyO3.30MPL-2.0 nexus-libThe raw implementation of the nexus scripting language2,359MIT nexus-logbufLock-free SPSC and MPSC byte ring buffers for logging and archival5,152MIT OR Apache-2.0ConcurrencyData structures nexus-memoryCommand-line interface for Nexus Memory System124MIT nexus-memory-agentAlways-on memory agent for Nexus Memory System334MIT nexus-memory-coreCore types, traits, and business logic for Nexus Memory System879MIT nexus-memory-embeddingsEmbedding service for Nexus Memory System using ONNX Runtime513MIT nexus-memory-hooksAgent hooks system for Nexus Memory System - automated memory extraction222MIT nexus-memory-lephaseLePhase integration wrapper for Nexus Memory System430MIT nexus-memory-llmLLM provider abstraction for Nexus Memory System417MIT nexus-memory-mcpMCP server implementation for Nexus Memory System193MIT nexus-memory-orchestratorOrchestrator core for Nexus Memory System - session management, event bus, and cross-agent sync290MIT nexus-memory-storageDatabase operations and storage layer for Nexus Memory System616MIT nexus-memory-vectorsSemantic search over storage-backed embeddings for Nexus Memory System524MIT nexus-memory-webWeb dashboard for Nexus Memory System with Axum181MIT nexus-netLow-latency networking primitives: buffers, TLS codec, wire abstractions.1,671MIT OR Apache-2.0ConcurrencyData structures nexus-notifyCross-thread event queue with conflation and FIFO delivery2,448MIT OR Apache-2.0ConcurrencyData structures nexus-orchestratorDistributed LLM model serving orchestrator - unified API gateway for heterogeneous inference backends74Apache-2.0Command line utilitiesWeb programming nexus-poolHigh-performance object pools for low latency systems3,683MIT OR Apache-2.0ConcurrencyData structures nexus-protocolIntegration protocols for Nexus - REST, MCP, UMICP477Apache-2.0 nexus-queueHigh-performance lock-free SPSC and MPSC queues for low-latency systems6,779MIT OR Apache-2.0ConcurrencyData structures nexus-rateRate limiting and flow control primitives for real-time systems2,864MIT OR Apache-2.0ConcurrencyData structures nexus-revo-ioLibrary for Nexus Revo RF protocol1,631MITHardware support nexus-rsNexus (Package Repository) client2,244Apache-2.0 nexus-rtSingle-threaded, event-driven runtime primitives with pre-resolved dispatch4,291MIT OR Apache-2.0ConcurrencyData structures nexus-rt-deriveDerive macros for nexus-rt. Use nexus-rt instead of depending on this directly.3,239MIT OR Apache-2.0Data structuresNo standard library nexus-sdkNexus SDK provides a set of tools to interact with the Nexus Workflow.1,206non-standardAPI bindingsCommand-line interface nexus-shieldAdaptive zero-trust security gateway with real-time endpoint protection — SQL firewall, SSRF guard, malware detection, process…1,054MITNetwork programmingWeb programming nexus-slabA high-performance slab allocator optimized for predictable tail latency4,802MIT OR Apache-2.0ConcurrencyData structures nexus-slotHigh-performance conflation slots (SPSC + SPMC) for latest-value-wins scenarios3,580MIT OR Apache-2.0ConcurrencyData structures nexus-smartptrInline smart pointers for trait objects — Flat (inline-only) and Flex (inline with heap fallback)3,327MIT OR Apache-2.0ConcurrencyData structures nexus-standardZero-copy compiler and reader for the Nexus Standard (NXS) bi-modal serialization format34MITCommand line utilitiesEncoding nexus-statsFixed-memory, zero-allocation streaming statistics for real-time systems3,396MIT OR Apache-2.0ConcurrencyData structures nexus-stats-controlAdvanced control and frequency primitives for nexus-stats2,529MIT OR Apache-2.0ConcurrencyData structures nexus-stats-coreCore types and utilities shared across nexus-stats subcrates2,877MIT OR Apache-2.0ConcurrencyData structures nexus-stats-detectionAdvanced change detection and signal analysis for nexus-stats2,513MIT OR Apache-2.0ConcurrencyData structures nexus-stats-regressionOnline regression, learning, and estimation for nexus-stats2,578MIT OR Apache-2.0ConcurrencyData structures nexus-stats-smoothingAdvanced smoothing algorithms for nexus-stats: KAMA, Holt, Spring, Kalman1d, WindowedMedian2,656MIT OR Apache-2.0ConcurrencyData structures nexus-stratumNexusStratum — A complete UI component system for Rust22MIT OR Apache-2.0 nexus-stratum-a11yAccessibility utilities for NexusStratum110MIT OR Apache-2.0 nexus-stratum-cliCLI tool for NexusStratum20MIT OR Apache-2.0 nexus-stratum-componentsStyled UI components for NexusStratum148MIT OR Apache-2.0 nexus-stratum-coreCore traits and types for NexusStratum UI component library422MIT OR Apache-2.0 nexus-stratum-cssCSS-in-Rust system for NexusStratum63MIT OR Apache-2.0 nexus-stratum-css-macrosProc macros for nexus-stratum-css109MIT OR Apache-2.0 nexus-stratum-dioxusDioxus framework adapter for NexusStratum66MIT OR Apache-2.0 nexus-stratum-explorerComponent explorer for NexusStratum20MIT OR Apache-2.0 nexus-stratum-iconsIcon library for NexusStratum64MIT OR Apache-2.0 nexus-stratum-leptosLeptos framework adapter for NexusStratum63MIT OR Apache-2.0 nexus-stratum-motionAnimation and transition system for NexusStratum63MIT OR Apache-2.0 nexus-stratum-primitivesHeadless, unstyled UI primitives for NexusStratum66MIT OR Apache-2.0 nexus-stratum-sdkSDK and editor tooling for NexusStratum65MIT OR Apache-2.0 nexus-stratum-securitySecurity hardening for NexusStratum — XSS prevention, CSP, input sanitization64MIT OR Apache-2.0 nexus-stratum-tailwindTailwind CSS integration for NexusStratum65MIT OR Apache-2.0 nexus-stratum-tailwind-macrosProc macros for nexus-stratum-tailwind107MIT OR Apache-2.0 nexus-stratum-testTest utilities for NexusStratum20MIT OR Apache-2.0 nexus-stratum-themeDesign token and theme system for NexusStratum186MIT OR Apache-2.0 nexus-timerHigh-performance timer wheel with O(1) insert and cancel3,737MIT OR Apache-2.0Data structures nexus-toolkitNexus Toolkit provides a Rust framework to create new Nexus Tools.912non-standardAPI bindingsCommand-line interface nexus-tuiA terminal-based HTTP client for API testing387MITCommand line utilitiesDevelopment tools nexus-tui-clientClient for the Nexus TUI chat and forums application.506MIT nexus-tui-commonCommon types and utilities for the Nexus TUI client and server.888MIT nexus-tui-serverServer for the Nexus TUI chat and forums application.481MIT nexus-watcherNexus Watcher constructs a social graph out of all of the events on pubky-core homeservers1,068MIT nexus-webLow-latency WebSocket, HTTP/1.1, and REST primitives. Sans-IO, zero-copy, SIMD-accelerated.1,176MIT OR Apache-2.0ConcurrencyData structures nexus-webapiNexus API exposes a social-media-like API capable of powerful Web-of-Trust inference1,073MIT nexus2dCross-platform 2D GPU-accelerated multiphysics.909MIT OR Apache-2.0 nexus2faconverts .nex to .fa plain simple1,198MITCommand line utilitiesScience nexus3dCross-platform 3D GPU-accelerated multiphysics.908MIT OR Apache-2.0 nexus7Rust SDK for HCL Transpilation1,198MIT nexus_mods_apiRust wrapper for the official Nexus Mods API1,532MIT nexus_rbd2dCross-platform 2D GPU-accelerated rigid-body physics.53MIT OR Apache-2.0 nexus_rbd3dCross-platform 3D GPU-accelerated rigid-body physics.56MIT OR Apache-2.0 nexus_rbd_shaders2d2D GPU shaders for nexus physics engine (rust-gpu).41MIT OR Apache-2.0 nexus_rbd_shaders3d3D GPU shaders for nexus physics engine (rust-gpu).44MIT OR Apache-2.0 nexus_sort_coreA cognitive, multi-strategy sorting framework designed for high performance.783MITAlgorithmsData structures nexus_viewer2dViewer for 2D GPU physics demos with nexus.17MIT OR Apache-2.0 nexus_viewer3dViewer for 3D GPU physics demos with nexus.19MIT OR Apache-2.0 nexuscompressPure Rust structured data compression framework with derive macros and domain-specific pipelines51MIT OR Apache-2.0 nexuscompress-cliCLI tool for NexusCompress structured data compression14MIT OR Apache-2.0 nexuscompress-codecsCodec implementations for the NexusCompress structured data compression framework62MIT OR Apache-2.0 nexuscompress-coreCore types and traits for the NexusCompress structured data compression framework59MIT OR Apache-2.0 nexuscompress-graphCodec DAG construction and execution for NexusCompress56MIT OR Apache-2.0 nexuscompress-recordStructured record/columnar domain module for NexusCompress55MIT OR Apache-2.0 nexuscompress-schemaDerive macros and schema utilities for NexusCompress52MIT OR Apache-2.0 nexuscompress-streamEvent stream and log domain module for NexusCompress47MIT OR Apache-2.0 nexuscompress-tensorTensor/ND-array domain module for NexusCompress54MIT OR Apache-2.0 nexuscompress-textText domain module for NexusCompress54MIT OR Apache-2.0 nexuscompress-timeseriesTime-series domain module for NexusCompress54MIT OR Apache-2.0 nexuscompress-trainerOffline and online adaptive training for NexusCompress compression plans54MIT OR Apache-2.0 nexusdNexus daemon868MIT nexusfetchA simple fetch utility written in Rust17,577GPL-3.0-only nexuslab_port_snifferA port sniffer written in Rust3,985MIT