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.

n-token-modelsPack and Unpack for all structs2,787Apache-2.0 n0A 2D graphics engine.16MIT OR Apache-2.0GraphicsRendering n0-errorergonomic errors with call-site location875,658MIT OR Apache-2.0 n0-error-macrosmacros for n0-error876,980MIT OR Apache-2.0 n0-futureNumber 0's way of doing rust futures. Re-exports what we think are useful abstractions and good implementations.1,384,709MIT OR Apache-2.0 n0-mainlineAsync BitTorrent Mainline DHT client16,372MIT OR Apache-2.0Network programming n0-qlogqlog data model for QUIC and HTTP/340,346BSD-2-ClauseNetwork programming n0-snafuUtitilities for working with snafu375,709MIT OR Apache-2.0 n0-tracing-testHelper functions and macros that allow for easier testing of crates that use `tracing`.31,894MITDevelopment tools::Testing n0-tracing-test-macroA procedural macro that allow for easier testing of crates that use `tracing`. Internal crate, should only be used through the…31,526MITDevelopment tools::Testing n0-watcherasync watchable values1,080,725MIT OR Apache-2.0 n00nReserved crate name for the noon project.14AGPL-3.0-onlyDevelopment tools n00n-acpReserved crate name for the n00n project.13AGPL-3.0-only n00n-agentReserved crate name for the n00n project.14AGPL-3.0-only n00n-configReserved crate name for the n00n project.14AGPL-3.0-only n00n-config-macroReserved crate name for the n00n project.12AGPL-3.0-only n00n-docgenReserved crate name for the n00n project.12AGPL-3.0-only n00n-highlightReserved crate name for the n00n project.12AGPL-3.0-only n00n-interpreterReserved crate name for the n00n project.12AGPL-3.0-only n00n-luaReserved crate name for the n00n project.12AGPL-3.0-only n00n-lua-macroReserved crate name for the n00n project.13AGPL-3.0-only n00n-markdownReserved crate name for the n00n project.12AGPL-3.0-only n00n-providersReserved crate name for the n00n project.12AGPL-3.0-only n00n-storageReserved crate name for the n00n project.13AGPL-3.0-only n00n-uiReserved crate name for the n00n project.13AGPL-3.0-only n01d-forgeSecure Cross-Platform Image Burner with AES-256 Encryption - Write ISOs to USB drives with optional encryption26MITCommand line utilitiesCryptography n1-cliA CLI tool for deploying and managing programs on the N1 blockchain1,581MIT n1-sdkn1-sdk890MIT/Apache-2.0 n100n100 list1,573MIT n18brushCommon drawing operations for 18xx maps.4,402MIT OR Apache-2.0AlgorithmsGraphics n18catalogueDefines common 18xx tiles.7,245MIT OR Apache-2.0AlgorithmsGraphics n18exampleBuild example figures of 18xx tiles, maps, and routes.3,192MIT OR Apache-2.0AlgorithmsGraphics n18gameProvides assets and logic for 18xx games.5,030MIT OR Apache-2.0AlgorithmsGraphics n18hexDefines the geometry of hexagonal tiles for 18xx.8,774MIT OR Apache-2.0AlgorithmsGraphics n18ioManages the (de)serialisation of 18xx tiles and maps.3,811MIT OR Apache-2.0AlgorithmsGraphics n18mapManages the state of 18xx maps.6,713MIT OR Apache-2.0AlgorithmsGraphics n18routeSearches 18xx maps for optimal route combinations.6,148MIT OR Apache-2.0AlgorithmsGraphics n18tileDefines 18xx tile elements and track networks.7,743MIT OR Apache-2.0AlgorithmsGraphics n18tokenDefines and manages tokens for 18xx tiles.7,250MIT OR Apache-2.0AlgorithmsGraphics n18uiGUI for constructing 18xx maps and finding optimal routes.3,146MIT OR Apache-2.0AlgorithmsGraphics n2Neural network library implementing a feedforward, backpropagation network1,999MIT OR Apache-2.0MathematicsSimulation n204Placeholder crate to avoid confusion with 'n2o4'1,564Unlicense n2a2uiConvert Notion blocks into A2UI v0.9 components (Elmethis Notion Block Catalog).279MITData structuresParsing tools n2a2ui-a2uiRust types for the A2UI v0.9 Elmethis Notion Block Catalog.267MITData structuresWeb programming n2kA no_std NMEA 2000 library implemented as an embedded-hal CAN driver1,517MIT OR Apache-2.0No standard library n2k-baseBasic definitions of data structures and methods for N2K networks. See https://en.wikipedia.org/wiki/NMEA_2000.5,027AGPL-3.0 n2o4Idiomatic, safe Rust bindings to cFE and OSAL APIs (placeholder for off-crates.io project)1,620Apache-2.0AerospaceAPI bindings n2qrTerminal QR code printer1,592MIT OR Apache-2.0 n2socNioh 2 save data ownership converter1,593GPL-3.0-only n3-coreSuper-Simple semantic neural network model compiler front-end.18,258BSD-3-Clause n3-parserSuper-Simple semantic neural network model parser.20,587BSD-3-Clause n3-spawnern3 task asynchronous task spawner facade.1,874MIT n32g4Device support crate for N32G4 devices2,141MIT OR Apache-2.0Embedded developmentNo standard library n32g4xx-halPeripheral access API for N32G4xx series microcontrollers6,2480BSDEmbedded developmentHardware support n34A CLI to interact with NIP-34 and other stuff related to code in Nostr1,857GPL-3.0-or-laterCommand line utilities n3agentA tunnel protocol(client) working with n3(quic/h3 reverse proxy) server.2,606MIT n3gb-rsA Rust implementation of a hierarchical hex-based spatial indexing system based on the OSGB National Grid.563Apache-2.0 n3ion3 asynchronous io library.2,308MIT n3quicn3 asynchronous quic based on quiche libarary2,749MIT n3rgy_consumer_api_clientA client for retrieving energy data from n3rgy's consumer API2,251MITAPI bindings n3serverA quic/http3 reverse proxy2,736MIT n3v3The Neve language CLI81MPL-2.0 n4n5n4n5's utility crate10,331MITCommand line utilities n4n5-sharen4n5 share - quick file sharing38MITCommand line utilities n5Rust implementation of the N5 tensor file system format38,532MIT/Apache-2.0EncodingFilesystem n5-wasmRust-WASM bindings to the N5 tensor file system format1,932MIT/Apache-2.0EncodingFilesystem n5gestCLI utilities for N5 files18,450MIT/Apache-2.0Command line utilitiesFilesystem n5iCommon components for n5i2,231AGPL-3.0-or-later n5i-appsUtils for working with n5i apps1,937AGPL-3.0-or-later n5i-plugin-commonAPI definitions for developing n5i plugins.1,684AGPL-3.0-or-later n5i-plugin-protoProtobuf definitions for n5i plugins202AGPL-3.0-or-later n64-halA HAL for the Nintendo 64 console1,694MITEmbedded developmentHardware support n64-pacProvides low-level CPU and register abstractions for the Nintendo 64 console13,125MITEmbedded developmentHardware support n64-project-templateProject template for writing N64 software in Rust1,490MIT OR Apache-2.0 n64_cartN64 file header library and utilities.1,263MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-laterCommand line utilitiesEncoding n64romconvertSmall tool to help you convert between Nintendo 64 ROM formats, on the CLI.6,832MIT n7Mass Effect Knowledge Base Terminal UI - Explore the lore of the Mass Effect trilogy33MITCommand line utilities n85N85 (Ascii85 variant) encoder & decoder1,7070BSDEncoding n8henrien8henrie.com10,237MIT n8ncCLI for n8n workflow automation318MITCommand line utilities n9Nine - Nethermind Intelligent Node Environment - AI agents framework934MIT n_audioSimple audio player5,257GPL-3.0-only n_bestConvenient collection to gather the N highest elements, and discard the others1,555MIT OR Apache-2.0AlgorithmsData structures n_bit_wordsJust a generic wrapper over primitive unsigned integers designed for hashing calculations1,296GPL-2.0-only n_circular_arrayAn n-dimensional circular array.7,499MIT OR Apache-2.0Data structuresMathematics n_gramSimple library for training n-gram language models.14,915MIT nana is a wrapper around nalgebra to make it easier and mostly less verbose to work with the most used types in vector math for…60,801BSD-3-Clause na-kraken-clientA Rust client for the Kraken cryptocurrency exchange API2,022MITAPI bindingsAsynchronous na-paper-accountA Rust library for paper trading accounts4,926MITFinance na_nbtHigh-performance NBT (Named Binary Tag) library with zero-copy parsing and serde support705MIT OR Apache-2.0EncodingGame development na_printPrinting without allocations and other tools for debugging allocators2,783MIT na_rustA command line tool for adding and listing project todos (Rust rewrite of na)24MIT na_seqDNA, RNA, and amino acid sequence types and functions20,436MITScience::Bioinformatics::GenomicsScience::Bioinformatics::Proteomics naadnaad — Audio synthesis primitives: oscillators, filters, envelopes, modulation, wavetables, effects1,024GPL-3.0-onlyMultimedia::Audio naanA fast, easy, and tasty functional programming prelude41,296MIT OR Apache-2.0 nabToken-optimized HTTP client for LLMs — fetches any URL as clean markdown307non-standardCommand line utilitiesDevelopment tools nab138_icloud_authA library to authenticate with Apple's GSA servers2,834MPL-2.0 nab138_omnisetteA library to generate "anisette" data. Modified from Sidestore/apple-private-apis2,442MPL-2.0 nab138_srpSecure Remote Password (SRP) protocol implementation1,953MIT OR Apache-2.0AuthenticationCryptography nabeel_artA library for modeling artistic concepts58MIT OR Apache-2.0 nabiAn async runtime for Rust — io_uring-first, blazingly fast21MITAsynchronousNetwork programming nabla-cliAn OSS tool for reverse engineering and binary composition analysis1,915MITCommand line utilitiesDevelopment tools nabla-decompilerBinary decompilation engine with CFG analysis and pseudocode generation675MIT nabla-mlA numpy-like library for Rust51,711AGPL-3.0 nabla-scannerBinary analysis and vulnerability scanning engine597MIT nabla-utilsUtility functions for binary analysis and security research917MIT nabledA linear algebra library written in Rust with an ndarray-first architecture.512MIT OR Apache-2.0AlgorithmsMathematics nabled-controlDARE, LQR, gramians, and pole placement for nabled Physical AI control95MIT OR Apache-2.0AlgorithmsMathematics nabled-coreCore ndarray-native types and shared utilities for nabled924MIT OR Apache-2.0MathematicsScience nabled-dynamicsRNEA, CRBA, and forward dynamics (serial + tree) for nabled Physical AI90MIT OR Apache-2.0AlgorithmsMathematics nabled-embeddingsLightweight ndarray-native compute and rerank layer for embedding vectors38MIT OR Apache-2.0AlgorithmsMathematics nabled-kinematicsSerial and tree robot kinematics (FK, Jacobian, DLS IK) for nabled Physical AI136MIT OR Apache-2.0AlgorithmsMathematics nabled-linalgNdarray-native linear algebra algorithms for nabled829MIT OR Apache-2.0AlgorithmsMathematics nabled-mlML-oriented algorithms built on ndarray-native nabled primitives635MIT OR Apache-2.0AlgorithmsMathematics nabled-modelURDF and DH robot models with chain conversion for nabled Physical AI114MIT OR Apache-2.0AlgorithmsMathematics nabled-sensorKalman, EKF, IMU, and camera models for nabled Physical AI estimation91MIT OR Apache-2.0AlgorithmsMathematics nabled-simPhysical AI simulation, control, and estimation pipelines for nabled56MIT OR Apache-2.0AlgorithmsMathematics naboA fast K Nearest Neighbor (KNN) library for low-dimensional spaces14,956MIT OR Apache-2.0Computer visionGame development nabo-pbcA fast K Nearest Neighbor (KNN) library for low-dimensional spaces, now with support for periodic boundary conditions.2,266MIT OR Apache-2.0Computer visionGame development nabuKeep your work commited and your repository up-to-date!7,833MIT OR Apache-2.0Command line utilities nabu-adaptersCapture adapters for nabu: install/uninstall hooks and the OpenCode plugin for Codex, Claude Code, and OpenCode.107MIT OR Apache-2.0Command line utilitiesDevelopment tools nabu-clinabu: a local-first, cross-agent history keeper for coding agents (Codex, Claude Code, OpenCode). Installs the `nabu` binary.78MIT OR Apache-2.0Command line utilitiesDevelopment tools nabu-coreCore storage, indexing, and search for nabu: append-only JSONL capture and a rebuildable SQLite FTS5 index for coding-agent…151MIT OR Apache-2.0Command line utilitiesDevelopment tools nabu-mcpRead-only MCP server for nabu: exposes search_history, get_session, recall_answer, and related tools over stdio for coding agents.102MIT OR Apache-2.0Command line utilitiesDevelopment tools nacRuntime crate for Native Application Capsules35MIT OR Apache-2.0 nac-cliCommand-line tooling for Native Application Capsules30MIT OR Apache-2.0 nacelleConvenience crate for Nacelle streaming handlers and transport APIs.90MITAsynchronousNetwork programming nacelle-codecByte-to-message codec primitives for Tokio asynchronous transports.70MITAsynchronousNetwork programming nacelle-coreShared pipeline, body, limits, lifecycle, telemetry, and TLS primitives for Nacelle.153MITAsynchronousNetwork programming nacelle-httpHyper HTTP/1 transport and HTTP edge policy runtime for Nacelle streaming handlers.107MITAsynchronousNetwork programming nacelle-opensslOpenSSL configuration and metadata integration for Nacelle.14MITAsynchronousCryptography nacelle-rustlsRustls configuration and metadata integration for Nacelle.14MITAsynchronousCryptography nacelle-tcpTCP transport and protocol runtime for Nacelle streaming handlers.112MITAsynchronousNetwork programming nacfahiSimpler, but less error-prone API for `levenberg-marquardt` optimization crate4,541LGPL-3.0-or-laterMathematicsNo standard library nacfahi-deriveDerive proc-macro for `nacfahi`3,511LGPL-3.0-or-later nachaA tool to parse NACHA files22,629MIT OR Apache-2.0Command line utilities nachoA delicious CMS1,468MIT nachrichtImplementation of the nachricht wire format8,951MITEncoding nachricht-nqPretty printing of nachricht messages5,433MITEncoding nachricht-serdeSerde bindings for nachricht9,758MITEncoding naclRust version of NaCl Cryptographic library with Scrypt added672,976LGPL-3.0+ nacm-validatorNACM (Network Access Control Model) validator with Tail-f ACM extensions and multiple configuration files support861MPL-2.0AuthenticationConfiguration nacm-validator-cliCLI for NACM (Network Access Control Model) validator with Tail-f ACM extensions and multiple configuration files support670MPL-2.0AuthenticationCommand line utilities nacosA rust client for operating nacos3,147MITWeb programming nacos-apiNacos - Rust Client5,481Apache-2.0 nacos-api_macroTHIS PROJECT IS SUPPORTER FOR NACOS-API4,081Apache-2.0Development tools::Cargo plugins nacos-clientnacos client rust implement1,629MIT/Apache-2.0 nacos-libRust Nacos1,619MIT OR Apache-2.0 nacos-macroNacos's proc macros.81,248Apache-2.0 nacos-naming-clientnacos client rust implement16,895MIT/Apache-2.0 nacos-rsA rust client for operating nacos1,231MITWeb programming nacos-rs-sdkNacos SDK - Rust Client5,292Apache-2.0 nacos-rs-sdk-macroTHIS PROJECT IS SUPPORTER FOR NACOS-RS-SDK7,338Apache-2.0 nacos-sdkNacos client in Rust.114,885Apache-2.0Development toolsNetwork programming nacos-sdk-corenacos client rust implement3,160MIT/Apache-2.0 nacos-sdk-rsrust sdk for nacos1,758Apache-2.0 nacos-tonic-adapternacos client rust implement25,559MIT/Apache-2.0 nacos-tonic-discovernacos tonic discover9,800MIT/Apache-2.0 nacos-toolkitNacos configuration parsing and management toolkit (Rust port of nacos-toolkit)60MITConfiguration nacos_rust_clientnacos rust client96,837MIT/Apache-2.0 nacreA pure-Rust CAD kernel keeping exact b-rep (NURBS / analytic surfaces) as the source of truth. Work in progress — this release…19MIT OR Apache-2.0Mathematics nacre-coreLLM extraction pipeline for agent memory — Graphiti's pipeline ported to Rust on grit32Apache-2.0Artificial intelligenceData structures nacryptA secure and easy-to-use file encryption utility25Apache-2.0Command line utilitiesCryptography nad2000-minigrepA Simple Minimilistic GREP (Globally search a Regular Expression and Print)1,713MIT nadaCompression-focused encoding for zero-heavy solidity calldata and bytecode3,812Apache-2.0Encoding nadeAdding named and default arguments to Rust functions11,154MIT/Apache-2.0 nade-macroMacros for nade11,723MIT/Apache-2.0 nadeem_rustAutomatic error reporting using Sentry and Tokio1,160MIT nadeo-apiAn interface for working with the Nadeo API8,137Apache-2.0API bindings nadeo-api-rsA simple wrapper for the Nadeo API5,536Unlicense naderNader's crate. Roomier than it seems. Now with slightly bigger peep-holes.31Beerware nadesiko3Japanese programming language Nadesiko v36,814MIT nadesiko3rustJapanese programming language Nadesiko v3 for WASM2,459non-standard nadfun_sdkRust SDK for Nad.fun1,783MIT nadiCLI tool for running nadi task system529GPL-3.0-only nadi-ideIntegrated Development Environment (IDE) for running nadi task system21GPL-3.0-only nadi-kernelJupyter Kernel Protocol for NADI21GPL-3.0-only nadi_coreCore library for Nadi systems, for use by plugins10,351GPL-3.0-onlyData structuresScience nadi_pluginMacro library to write plugins for nadi system using nadi_core6,101GPL-3.0-onlyData structuresScience nadirA static site builder focused on simplicity4,141MITCommand line utilitiesDevelopment tools nado-sdkOfficial Rust SDK for the Nado Protocol API2,484MIT OR Apache-2.0 naelA Dalamud version manager that makes working with different releases of Dalamud simple.11,481MIT OR Apache-2.0Command line utilities nael_coreInternals for managing different installations of Dalamud.9,597MIT OR Apache-2.0 naenaeMonitor external command output and send Discord webhook notifications.22MITCommand line utilitiesDevelopment tools nafcodecRust coder/decoder for Nucleotide Archive Format (NAF) files.6,502MITCompressionParser implementations nafcodec-pyPyO3 bindings and Python interface to the nafcodec crate.3,794MITCompressionParser implementations nafsy🦀🦀🦀🦀🦀🦀🦀1,863MIT naftaCreates temporary SQLite database for testing using diesel.5,726MITDevelopment tools::Testing naga fresh start for a compiler diagnostics API1,788MPL-2.0 OR Apache-2.0 OR MIT nag-driverDriver library for cargo-nag1,548MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins nag-toolkitToolkit for writing custom cargo-nag lints1,570MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins nagaShader translator and validator. Part of the wgpu project31,359,300MIT OR Apache-2.0 naga-cliCLI for the naga shader translator and validator. Part of the wgpu project47,391MIT OR Apache-2.0 naga-rust-backBackend for the Naga shader translator which generates Rust code.1,539MIT OR Apache-2.0CompilersRendering naga-rust-embedTranslates WGSL shader code to Rust embedded in your Rust code.894MIT OR Apache-2.0CompilersRendering naga-rust-macrosMacros for the `naga-rust-embed` library.1,344MIT OR Apache-2.0 naga-rust-rtSupport library for shaders compiled to Rust via the `naga-rust-back` library.1,146MIT OR Apache-2.0Data structuresMathematics naga-to-tokenstreamCreates a TokenStream describing parts of a Naga module.37,880MITGame developmentGraphics naga-typesCommon types for naga and wgpu407,923MIT OR Apache-2.0 naga_oila crate for combining and manipulating shaders using naga IR5,554,931MIT OR Apache-2.0