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.

neuro-samaA crate that implements the Neuro-sama game API12,4690BSD OR MIT OR Apache-2.0Game development neuro-sama-deriveA crate that implements the Neuro-sama game API2,4040BSD OR MIT OR Apache-2.0Game development neurobeatNeuroscience for Makers21MIT OR Apache-2.0 neurocoreNeurocore: Full-featured high-level neural network engine in Rust, including dense/LSTM layers, activations, optimizers,…170MIT neurodnaHigh-performance evolutionary neural networks with genetic encoding, SIMD optimizations, and neurodivergent cognitive modeling811MITAlgorithmsScience neurodoomDeterministic no_std Doom engine with semantic and depth perception buffers for AI85BSD-3-ClauseGame enginesNo standard library neurofieldRust library and TUI for the Neurofield Q21 20-channel EEG amplifier over PCAN-USB655non-standard neuroflowThe neural network library implemented in Rust14,445MITAlgorithmsScience neuroforgeA neural network library with advanced features including quantum-inspired neurons, adaptive architecture, and neuro-symbolic…3,297MIT OR Apache-2.0AlgorithmsScience neuroformatsHandling of structural neuroimaging file formats. The focus is on surface-based brain morphometry data and FreeSurfer file…9,888MIT OR Apache-2.0FilesystemParser implementations neurogasExperimental Rust implementation of the Growing Neural Gas (GNG) algorithm.68MIT neurographragLocal GraphRAG memory for LLMs in a single SQLite file179Apache-2.0 OR MITCommand line utilitiesDatabase interfaces neurogrim-a2aA2A (Agent2Agent) peer protocol for NeuroGrim — Brain-to-Brain communication (fractal composition + dual brain).267MITCommand line utilitiesDevelopment tools neurogrim-cliNeuroGrim CLI — LSP Brains scoring engine and MCP server binary107MITCommand line utilitiesDevelopment tools neurogrim-coreLSP Brains core scoring engine — pure logic, zero I/O435MITCommand line utilitiesDevelopment tools neurogrim-dashboardNeuroGrim v3.4 dashboard — HTTP server + embedded React UI for human-readable Brain inspection120MITCommand line utilitiesDevelopment tools neurogrim-ecosystemFractal composition dispatch — invokes child Brains via subprocess or A2A (spec §9 + §13).237MITCommand line utilitiesDevelopment tools neurogrim-mcpMCP client + server integration for NeuroGrim200MITCommand line utilitiesDevelopment tools neurogrim-secretsEncrypted secrets crate for NeuroGrim — OS-native + encrypted-file backends, in-memory encryption, never-plaintext secret values141MITCommand line utilitiesDevelopment tools neurogrim-sensoryBuilt-in sensory tool implementations for NeuroGrim180MITCommand line utilitiesDevelopment tools neurojepaNeuro-JEPA 3-D volumetric MRI encoder (V-JEPA 2 derived) for RLX17GPL-3.0-only neuromanceA Rust library for controlling and orchestrating LLM interactions1,565Apache-2.0API bindingsAsynchronous neuromance-agentAgent framework for autonomous task execution with LLMs731Apache-2.0API bindingsAsynchronous neuromance-cliInteractive command-line interface for LLM interactions728Apache-2.0API bindingsAsynchronous neuromance-clientA Rust client library for interacting with LLM inference providers1,485Apache-2.0API bindingsAsynchronous neuromance-commonCommon types and data structures for LLM conversation and tool management2,028Apache-2.0API bindingsAsynchronous neuromance-toolsTool execution framework for Neuromance LLM library1,218Apache-2.0API bindingsAsynchronous neuromancerAn agent-powered software development workflow framework325MIT neuromodA high-performance Rust SNN library for neuroscience research and pure spiking neural network library featuring LIF, Izhikevich,…256GPL-3.0AlgorithmsScience neuromorphic-driversNeuromorphic devices drivers23,894non-standard neuromorphic-typesShared Neuromorphic data types for drivers and processing frameworks12,593non-standard neuronComposable async agentic AI framework for Rust111MIT OR Apache-2.0Asynchronous neuron-authAuthentication provider traits for neuron487MIT OR Apache-2.0AsynchronousAuthentication neuron-auth-fileFile-based auth provider that reads a bearer token from disk23MIT OR Apache-2.0AsynchronousAuthentication neuron-auth-k8sStub Kubernetes ServiceAccount projected token auth provider22MIT OR Apache-2.0AsynchronousAuthentication neuron-auth-oidcStub OIDC client credentials / token exchange auth provider22MIT OR Apache-2.0AsynchronousAuthentication neuron-auth-staticStatic auth provider that always returns the same token (dev/test)22MIT OR Apache-2.0AsynchronousAuthentication neuron-contextContext strategy implementations for neuron-turn503MIT OR Apache-2.0Asynchronous neuron-cryptoCryptographic provider traits for neuron153MIT OR Apache-2.0AsynchronousCryptography neuron-crypto-hardwareStub crypto provider for PKCS#11 / YubiKey PIV hardware tokens23MIT OR Apache-2.0AsynchronousCryptography neuron-crypto-vaultStub crypto provider for Vault Transit engine22MIT OR Apache-2.0AsynchronousCryptography neuron-effects-coreCore effect execution traits and errors214MIT OR Apache-2.0 neuron-effects-localLocal effect executor implementation using StateStore and Orchestrator154MIT OR Apache-2.0 neuron-env-localLocal (passthrough) Environment implementation for neuron85MIT OR Apache-2.0Asynchronous neuron-hook-securitySecurity hooks for neuron — redaction and exfiltration detection22MIT OR Apache-2.0AsynchronousAuthentication neuron-hooksHook registry and composition for neuron340MIT OR Apache-2.0Asynchronous neuron-loopAgentic loop for Rust — multi-turn tool dispatch, streaming, and conversation management over any LLM provider144MIT OR Apache-2.0AsynchronousScience neuron-mcpMCP client and server bridging MCP tools with neuron ToolRegistry148MIT OR Apache-2.0AsynchronousNetwork programming neuron-op-reactReAct operator for neuron — model + tools in a reasoning loop269MIT OR Apache-2.0Asynchronous neuron-op-single-shotSingle-shot operator — one model call, no tools, return immediately86MIT OR Apache-2.0Asynchronous neuron-orch-kitUnopinionated wiring kit for composing neuron systems85MIT OR Apache-2.0Asynchronous neuron-orch-localIn-process Orchestrator implementation for neuron85MIT OR Apache-2.0Asynchronous neuron-otelOpenTelemetry instrumentation for AI agents — GenAI semantic conventions with tracing spans29MIT OR Apache-2.0AsynchronousScience neuron-provider-anthropicAnthropic API provider for neuron-turn153MIT OR Apache-2.0AsynchronousWeb programming::HTTP client neuron-provider-ollamaOllama local model provider for neuron-turn145MIT OR Apache-2.0AsynchronousWeb programming::HTTP client neuron-provider-openaiOpenAI API provider for neuron-turn146MIT OR Apache-2.0AsynchronousWeb programming::HTTP client neuron-rsAn actor system for building reactive, concurrent, and resilient distributed services3,953MIT OR Apache-2.0AsynchronousConcurrency neuron-runtimeProduction runtime for AI agents — sessions, sub-agents, input/output guardrails, permission policies, and durable execution65MIT OR Apache-2.0AsynchronousScience neuron-secretSecret resolution traits and types for neuron729MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-awsStub secret resolver for AWS Secrets Manager22MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-envSecret resolver that reads from process environment variables23MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-gcpStub secret resolver for GCP Secret Manager22MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-k8sStub secret resolver for Kubernetes Secrets22MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-keystoreStub secret resolver for OS keystore (macOS Keychain, Windows DPAPI, Linux Secret Service)23MIT OR Apache-2.0AsynchronousAuthentication neuron-secret-vaultStub secret resolver for HashiCorp Vault KV22MIT OR Apache-2.0AsynchronousAuthentication neuron-state-fsFilesystem-backed StateStore implementation for neuron85MIT OR Apache-2.0AsynchronousFilesystem neuron-state-memoryIn-memory StateStore implementation for neuron268MIT OR Apache-2.0Asynchronous neuron-toolTool interface and registry for neuron637MIT OR Apache-2.0Asynchronous neuron-tool-macrosDerive macro for LLM tool definitions — generates JSON Schema and dispatch code from a Rust struct250MIT OR Apache-2.0Development tools::Procedural macro helpersScience neuron-turnShared toolkit for building operators — Provider trait, types, context strategy506MIT OR Apache-2.0Asynchronous neuron-turn-kitTurn-level planning and execution primitives: planner, concurrency decider, batch executor, steering331MIT OR Apache-2.0 neuron-typesCore traits for AI agents in Rust — Provider, Tool, and ContextStrategy without the framework buy-in338MIT OR Apache-2.0AsynchronousScience neuronbox-cliLocal ML runner: declarative neuron.yaml, model store, daemon, and terminal dashboard68AGPL-3.0-onlyCommand line utilitiesDevelopment tools neuronbox-runtimeLocal ML runner: declarative neuron.yaml, model store, daemon, and terminal dashboard130AGPL-3.0-onlyCommand line utilitiesDevelopment tools neuronicReal-time graphical visualization of Caryatid message bus flow27Apache-2.0Development tools::DebuggingGUI neuronikaTensors and dynamic neural networks.2,991MPL-2.0 neuronsNeural networks from scratch, in Rust.38,686GPL-3.0 neurons-meNeurons.me Rust Ecosystem – enabling deep learning processes and modular neural computation.865MIT OR Apache-2.0Command line utilitiesNetwork programming neuronumUnstable Version! A high-level library to interact with the Neuronum network.1,004MIT neuropoolSpatial neuron point cloud — LIF neurons in 3D space with mastery learning, tissue physics, migration, pruning, and stamina149MIT OR Apache-2.0ScienceSimulation neurorvqNeuroRVQ biosignal tokenizer — inference in Rust with Burn ML595Apache-2.0AlgorithmsScience neurorvq-rsNeuroRVQ biosignal tokenizer — inference in Rust (Burn and/or RLX)107Apache-2.0AlgorithmsScience neurosNeuros is a Rust package for Artificial (Feedforward) Neural Networks (ANNs) processing.4,781MIT neurosityRust client for Neurosity Crown and Notion EEG headsets via the Neurosity Cloud API653non-standard neuroskyRust library and TUI for NeuroSky MindWave EEG headsets via the ThinkGear serial protocol653non-standard neuroticA neural network library written for Rust.2,569MITScience neuroxA Rust crate providing core building blocks for numerical computing and machine learning, including tensor operations, model…1,302MITAlgorithmsData structures neursA simple, feed-forward-only, but efficient, neural network and reinforcement learning library3,919non-standard neustNEU CAS binding for Rust.1,599MIT neutabLibrary for neutab-cli, create new tab pages from a config file3,443GPL-3.0-or-later neutab-cliCLI for neutab, create new tab pages from a config file3,287GPL-3.0-or-later neutilsUtitlity functions2,645MITAlgorithms neutonA Game Engine for Rust on top of SDL21,068non-standard neutralUnofficial rust client for neutrinoapi.com9,529MIT neutral-ipcIPC server for the Neutral TS template engine1,285Apache-2.0Template engineWeb programming neutral_typesneutrinoapi.com types for the neutral crate3,618MIT neutraltsNeutral TS template engine is a web template designed to work with any programming language via IPC and natively as library/crate…56,448Apache-2.0Template engineWeb programming neutrinoA GUI frontend in Rust based on web-view8,345MITGUI neutrino-cliNeutrino CLI tool85MIT neutrino-schemaCompile relational database schemas into strongly typed Rust types.487MIT OR Apache-2.0Command line utilitiesDatabase interfaces neutrinoapiProvide a client for neutrinoapi.com1,140MIT neutronA Rust client library for Pulsar2,670MIT neutron-astroport-reward-distributorPublic API for the Neutron Astroport Reward Distributor contract4,279MPL-2.0 neutron-diffusion-ddA high-performance neutron transport solver using the S_N (Discrete Ordinates) method with domain decomposition. Solves the 1D…67MITMathematicsScience neutron-engineA lightweight markup parser for the Neutron styling language (.nt)53MITDevelopment toolsParser implementations neutron-protoProtobuf type definitions in Rust for the Neutron blockchain7,130Apache-2.0 neutron-sdkNeutron CosmWasm SDK for interacting with Neutron blockchain158,713Apache-2.0 neutron-star-rtThe minimal runtime required for smart contracts built on the Qtum Neutron platform4,548MIT neutron-starsNeutron Stars14,880GPL-3.0 neutron-stars-cliNeutron Stars3,816GPL-3.0Games neutron-stdStandard library for Neutron with CosmWasm support included. This package is a modified copy of the osmosis package -…21,428MIT OR Apache-2.0 neutron-std-deriveProcedural macro for `neutron-std`. This package is a modified copy of the osmosis package -…12,921MIT OR Apache-2.0 neutron-test-tubeCosmWasm integration testing for Neutron20,334MIT OR Apache-2.0 neutron_kernelA rust-based kernel for riscv and arm2,729BSD-3-Clause neutrondbNeutronDB is a log-structured merge-tree key-value store for any implemented data type.35,448MIT neutronsNeutron transport simulation.3,886non-standard neuttsRust port of NeuTTS — on-device voice-cloning TTS with GGUF backbone and NeuCodec decoder888MIT neutuinoA minimal zero-dependancy pure-rust cross-platform TUI library1,894MITCommand-line interface neutunexpose your local web server to the internet with a public url73MIT neutun_libexpose your local web server to the internet with a public url180MIT neuxcfglibrary for managing an application’s configuration directory.275MIT neuxdbA super simple, embedded, encrypted database like SQLite, using pipe-separated files and age encryption.106MITCommand line utilitiesCryptography nevaMCP SDK for Rust9,522MITAPI bindingsAsynchronous neva_macrosMacros for Neva9,008MITAPI bindingsAsynchronous neveA read-only cache for avalanchego's JSON-RPC frontend API, backed by a local block store.58MITCachingCryptography::Cryptocurrencies neve-builderSandbox build system for the Neve language127MPL-2.0 neve-commonCommon utilities and data structures for Neve357MPL-2.0 neve-configSystem configuration and generation management for Neve109MPL-2.0 neve-deriveDerivation model for Neve package management237MPL-2.0 neve-diagnosticDiagnostic and error reporting for Neve305MPL-2.0 neve-evalInterpreter/evaluator for Neve152MPL-2.0 neve-fetchSource fetching for the Neve package system189MPL-2.0 neve-fmtCode formatter for the Neve language139MPL-2.0 neve-frontendFrontend analysis pipeline for Neve (parse + lower + type check)162MPL-2.0 neve-hirHigh-level Intermediate Representation for Neve244MPL-2.0 neve-lexerLexical analysis for Neve290MPL-2.0 neve-lspLanguage Server Protocol implementation for Neve110MPL-2.0 neve-parserParser for Neve278MPL-2.0 neve-stdStandard library for Neve102MPL-2.0 neve-storeContent-addressed store for Neve148MPL-2.0 neve-syntaxAST and syntax definitions for Neve294MPL-2.0 neve-typeckType checking for Neve182MPL-2.0 neverA stable version of the unstable never type (!)4,772,319BSD-3-ClauseNo standard libraryRust patterns never-say-neverThe never type (the true one!) in stable Rust.10,711,957Zlib OR MIT OR Apache-2.0 never-typeThis library is an alternative implementation of never type for stable rust.63,249MIT neverestCLI to synchronize and backup emails1,736MITCommand line utilitiesEmail nevergonnagiveyouuphttps://youtu.be/dQw4w9WgXcQ1,605MIT neverlight-mail-coreHeadless email engine for Neverlight Mail104GPL-3.0-or-later neverlish_rpn_calc_test_verRPN(Reverse Polish Notation) library852MIT nevermindmind maps as code5,113MIT nevermind-neuMachine learning library with terminal user interface5,223Apache-2.0Command line utilities nevermoreDerive macros for the bottom type core::convert::Infallible3,482MIT OR Apache-2.0Development tools::Build UtilsNo standard library nevyGame networking library for the Bevy game engine2,859MIT OR Apache-2.0Game developmentNetwork programming nevy_messagesStructured messages for nevy173MIT OR Apache-2.0Game developmentNetwork programming nevy_transportType erased networking API for nevy264MIT OR Apache-2.0Game developmentNetwork programming new-cargo-example-testRun all examples for any locally cloned crate692MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins new-cliQuickly create new projects from templates1,898MIT new-crates-yan-jinA fun game where you guess what number the computer has chosen.25MIT OR Apache-2.0 new-derive`New` derive macro8,546MITDevelopment tools::Procedural macro helpersParser implementations new-egui-macroquadBindings between egui and macroquad1,697MIT/Apache-2.0Game developmentGraphics new-home-applicationNew Home iot application framework. Meant to build application for the New Home Core13,419MIT new-home-application-macroProvides a derive macro for the Method in the new-home-application framework.5,400MIT new-home-coreNew Home Core is, as the name says, the core of the whole New Home eco system. It manages all New Home applications in your home.5,572MIT new-home-gpioThis is the first application of the new-home system. It controls the GPIO outputs of the Raspberry PI with the help of the sysfs.3,052MIT new-home-proxyThis is a part of the New Home IoT System. It is used to make the core available in the www.4,384MIT new-home-ws281xThis application will control all kinds of LED strips based on the ws281x chip.6,869MIT new-new-egui-macroquadBindings between egui and macroquad789MIT/Apache-2.0Game developmentGraphics new-ordered-floatWrappers for total ordering on floats (fork of ordered-float)6,788MIT new-pklFastest PKL-parsing crate out there!2,355MITParsing tools new-rawrAn updated Rust API Wrapper for Reddit1,228MIT new-rust-project@ErichDonGubler's fancy template for new Rust projects7,379MPL-2.0Development tools new-stowSymlink farm manager with links defined in a stowfile8,616MIT new-tokio-smtpextendible smtp implementation for tokio18,722MIT OR Apache-2.0Network programming new-vdf-parserA parser for Steam's VDF file formats including appinfo.vdf and shortcuts.vdf2,205LGPL-2.1EncodingParser implementations new_auth_serviceHello crates.io1,303WTFPL new_bitflagsMore ergonomic bitflags2,165MIT/Apache-2.0 new_crate_inputInput Values1,508MIT new_crate_rustbasic math operations387MIT new_debug_unreachablepanic in debug, intrinsics::unreachable() in release (fork of debug_unreachable)160,755,602MITNo standard libraryRust patterns new_derivableCreate new implementations with just a paste of a macro2,890non-standard new_flattenedMacro to flatten nested calls of `new`s2,850MIT OR Apache-2.0Rust patterns new_macroa proc_macro crate that generates a new struct with a new function1,211MIT OR Apache-2.0 new_mime_guessA simple crate for associating MIME types to file extensions.936,887MITFilesystem new_proFirst_try1,707MIT new_projectBasic math operations5,587MIT new_project0101Basic math operation1,565MIT new_project_2Basic math operations1,595MIT new_snake_gameSnake game378MIT new_string_templateSimple Customizable String-Templating Library for Rust.1,220,384MITTemplate engineText processing new_typeExperimental implementation of newtypes by type level logic.8,722MITRust patterns new_type_deriveCombat primitive obsession by easily creating strongly-typed wrappers and reference types11,753MIT/Apache-2.0 new_unitsMake unique types5,645MIT/Apache-2.0 new_yorkHome of the dollar slice.2,730MIT OR Apache-2.0 new_york_calculate_coreLibrary for calculation some things38,798MIT new_york_utilsLibrary for calculation some things17,161MIT new_zealandUtilities for working with non-zero integers60,861MIT newbase60A library that implements Tantek Çelik's New Base 606,806MIT newbeethis is a rdb streamed parser13,110Apache-2.0/MITCachingDatabase interfaces newdirA simple program to create a temporary directory with a friendly name1,705Unlicense newdocGenerate pre-populated module files formatted with AsciiDoc that are used in Red Hat and Fedora documentation.60,837GPL-3.0-or-laterCommand line utilitiesText processing