All 305,250 crates, alphabetically

negative-implNegative trait implementations on stable Rust.32,179Apache-2.0 OR MITNo standard libraryNo standard library::No dynamic allocation negative-proc_macrosInternal: proc-macro backend of ::negative.6,177Zlib OR MIT OR Apache-2.0 negative-space-coreCore theory of negative space intelligence — intelligence is what you learn to AVOID, not what you choose19MITAlgorithmsScience negative-space-testingA testing framework where you define what code DOES NOT do — inspired by the meteorologist's blindness47MITDevelopment tools::Testing negative-type-boundprovides negative type bound1,598MITRust patterns negentropyRust implementation of the negentropy set-reconciliation protocol.1,153,093MIT negentropy-cliDeterministic architecture quality scanner for TS/JS repositories49MIT OR Apache-2.0 negicon-protocolDefinitions and utility functions for the Negicon v3 communication protocol23,600MIT negicon-utilUtility to interact with Negicon v3 controllers5,194MIT negieGenerate complex scatter plots of eigenvalues from parametrized bohemian matrices4,989MITGraphicsMathematics negotiatorHTTP content negotiation for Accept, Accept-Charset, Accept-Encoding, and Accept-Language headers. A faithful port of the…23MIT OR Apache-2.0No standard libraryWeb programming negrdo-actix-web-standard-messagingActix-web extension for negrdo-standard-messaging — gateway injection, trace propagation and subscription lifecycle57MITNetwork programmingWeb programming::HTTP server negrdo-actix-web-standard-responseNegrdo standard response extension for Actix-web microservices63MIT negrdo-standard-messagingStandard messaging core library for Negrdo services — CloudEvents 1.0 compliant envelope management with pluggable broker adapters130MITAsynchronousNetwork programming negrdo-standard-responseNegrdo standard response core library for Rust microservices139MIT OR Apache-2.0 nehProvides event handlers for NXUI1,729MITAPI bindingsGUI neige-infra一个简单的lua运行时2,092MIT neige-lua一个简单的lua运行时4,773MIT neige-undump一个简单的lua运行时1,849MIT neighFind nearest neighors in FASTQ files841MITScience neighborA simple content management system.2,969Apache-2.0 neighborgoodSafer social media app idea.1,508MIT neighborhood-diversityCrate for computing the neighborhood diversity of simple, undirected graphs.7,537MIT OR Apache-2.0Data structures neighborlist-rsHigh-performance neighborlist construction for atomistic systems102MIT OR Apache-2.0 neighborlyTools for managing distributed workloads.2,607Unlicense neighbourhoodSuper fast fixed size K-d Trees for extremely large datasets.1,252MIT OR Apache-2.0 neilBasic simulated annealing library4,389Apache-2.0 neimarTUI app for managing multiple AI bot sessions in a terminal48MIT OR Apache-2.0 neinProgrammatic nftables firewall — network policy, NAT, port mapping, and service access control for AGNOS278GPL-3.0-onlyNetwork programmingOperating systems neioNeo I/O22Apache-2.0 NeiroSimple Audio File Player in Terminal900MIT neis-client나이스 교육정보 개방 포털 API client1,411non-standard neis_calculatorSimple bytes counter for NEIS.2,742Apache-2.0 neithGraph-based context orchestrator for LLM agent conversations26MIT OR Apache-2.0Command line utilitiesDevelopment tools neitoReserved17LicenseRef-Proprietary neivi-iqx-lookupIQX Lookup API client for Rust23Apache-2.0API bindingsWeb programming nekkoCommand-line snippet manager4,941MIT nekoRusty bindings to the neko vm2,135UnlicenseExternal FFI bindings neko-cli用于创建前端项目的cli工具1,538MIT neko-imageCLI utility for image processing written in rust🏳️‍⚧️2,919MIT OR Apache-2.0Command line utilitiesCompression nekobotA visual automation bot: detects screen elements, clicks and types with Rust327MIT OR Apache-2.0 nekobot-apiNekoBot API Rust Wrapper1,787MIT nekocat...80MIT OR Apache-2.0 nekocatmacrosapp...184MIT OR Apache-2.0 nekocliCommand line interface for NekoNode services1,181Apache-2.0Command-line interface nekohashA multifaceted hashing library for Rust3,318MITAlgorithmsCryptography nekolife-rsneko.life wrapper library1,761MIT nekomataName reservation placeholder. A 2D pixel-art game engine (Rust + Lua); development is private. Not yet released.17LicenseRef-Proprietary nekopas2rust...146MIT OR Apache-2.0Development toolsRust patterns nekopas2rust-macros...360MIT OR Apache-2.0Development toolsRust patterns nekoprintnekoprint is a powerful procedural macro for Rust that automatically generates printing methods for a struct's fields and the…2,132MIT OR Apache-2.0 nekoprint-importsnekoprint is a powerful procedural macro for Rust that automatically generates printing methods for a struct's fields and the…386MIT OR Apache-2.0 nekoprint-macronekoprint is a powerful procedural macro for Rust that automatically generates printing methods for a struct's fields and the…202MIT OR Apache-2.0 nekosbestnekos.best API wrapper43,364CC0-1.0 nekosearchA Rust toolkit for text search, fuzzy matching and intent detection: tokenization, normalization, TF-IDF, Jaccard, Levenshtein,…1,346MIT OR Apache-2.0AlgorithmsDevelopment tools nekosekaiFull-stack framework that integrates nekoui and nekoserver. Build modern web apps with automatic backend generation, CRUD,…442MIT OR Apache-2.0API bindingsNetwork programming nekoserverMacro that automatically generates a complete backend with CRUD operations, caching, and other essential features from a derive.443MIT OR Apache-2.0API bindingsNetwork programming nekoslifenekos.life wrapper library2,844MIT nekoslife-rsneko.life wrapper library3,201MIT nekotonA stub for a future SDK1,311MIT nekoton-cliA stub for a future SDK1,223MIT nekoton-deriveA stub for a future SDK1,214MIT nekotracing.1,593MIT OR Apache-2.0 nekouiA component-based UI framework for Leptos applications465MIT OR Apache-2.0GUIWebAssembly nekoweb-rsRust bindings for the Nekoweb API180GPL-3.0-or-laterAPI bindings nektarA fast, lightweight CLI for Hive Metastore9,980non-standardCommand line utilities nelBasic utilities for building and sending NEL reports.459,658BSD-3-Clause neleus-dbLocal-first Merkle-DAG database for AI agents with cryptographic proofs and immutable versioning60MITCryptographyData structures nelfImplementation of a NELF parser2,903MPL-2.0 neliType safe netlink library written in Rust36,199,097BSD-3-Clause neli-proc-macrosProcedural macros for neli34,190,580BSD-3-Clause neli-wifiCommunicate with nl80211412,316MIT nellLinux netlink interface11,763GPL-3.0 neloA stateless, timeline-driven animation engine for explorable visual animations.20MITGraphicsMultimedia::Video nelsonsmall cli AI assistant that generates shell commands, explains errors, and answers programming questions.29Apache-2.0Command line utilitiesDevelopment tools nelson137-scratchScratch project for testing things2,673MIT OR Apache-2.0 nelu_minigrepA micro grep version409MIT OR Apache-2.0 nemaCore helpers for nema runtime orchestration16MIT OR Apache-2.0 nema-parserA parser for NEMA sentences1,720MIT nemacReserved name (Nemac / cx / VCI). Placeholder — real crate to follow.17MIT OR Apache-2.0 nematicPortable smolweb rendering engine — Gemini, Gopher, Markdown, feeds, and the knot note format, lowered to the inker document…32MPL-2.0RenderingWeb programming nemesisNemesis utility library1,588MIT nemetonSacred-enclosure config loader and runtime context for guarded systems17MIT OR Apache-2.0Configuration nemoSession types for asynchronous networking9,136MIT nemo-extensionSafe Rust wrapper for libnemo-extension, to extend Cinnamon Nemo file browser (aka Files in Ubuntu Cinnamon)1,613GPL-3.0 nemo-extension-sysFFI bindings to libnemo-extension2,390GPL-3.0 nemo-fabric-cliCommand-line interface for NeMo Fabric.26Apache-2.0 nemo-fabric-coreCore config and runtime contract for NeMo Fabric.32Apache-2.0 nemo-flowCore Rust SDK for NeMo Flow observability, scope management, and runtime instrumentation.1,934Apache-2.0 nemo-flow-adaptiveAdaptive runtime primitives and Redis-backed learning components for NeMo Flow.142Apache-2.0 nemo-flow-cliCoding-agent gateway CLI for NeMo Flow observability.1,789Apache-2.0 nemo-flow-ffiC-compatible FFI bindings for integrating NeMo Flow into native applications.93Apache-2.0 nemo-pluginPlugin development kit for Nemo with fluent UI builders68MIT OR Apache-2.0GUI nemo-plugin-apiStable API interface for Nemo native plugins152MIT OR Apache-2.0GUI nemo-relayCore Rust SDK for NeMo Relay observability, scope management, and runtime instrumentation.533Apache-2.0 nemo-relay-adaptiveAdaptive runtime primitives and Redis-backed learning components for NeMo Relay.433Apache-2.0 nemo-relay-cliCoding-agent gateway CLI for NeMo Relay observability.338Apache-2.0 nemo-relay-ffiC-compatible FFI bindings for integrating NeMo Relay into native applications.165Apache-2.0 nemo-relay-pii-redactionFirst-party deterministic and model-backed PII redaction plugin surfaces for NeMo Relay.299Apache-2.0 nemo-relay-pluginRust plugin authoring SDK and stable native plugin ABI for NeMo Relay.278Apache-2.0 nemo-relay-switchyardFirst-party Switchyard Decision API routing plugin for NeMo Relay.94Apache-2.0 nemo-relay-typesShared serializable data model types for NeMo Relay.341Apache-2.0 nemo-relay-workerRust SDK for NeMo Relay out-of-process gRPC worker plugins.159Apache-2.0 nemo-relay-worker-protogRPC protocol definitions for NeMo Relay out-of-process worker plugins.277Apache-2.0 nemo-wasm-guestWASM guest SDK for Nemo plugins65MIT OR Apache-2.0GUIWebAssembly nemo157This is a test repository/package for me to try out crates.io features and integrations without publishing any of my real crates.10,548WTFPL nemotron-asrSafe, idiomatic Rust bindings for nemotron-asr.cpp - high-performance streaming ASR with NVIDIA's Nemotron model115MITAPI bindingsArtificial intelligence nemotron-asr-sysLow-level FFI bindings for nemotron-asr.cpp151MITArtificial intelligenceExternal FFI bindings nemuAn interactive story engine for creating text-based adventure games191MITCommand line utilitiesGame engines nemu-emulatorA library for NES emulation.30non-standard nemu-guiA NES emulator GUI.18non-standard nemwebRust client for AEMO NEMWeb — Australian electricity market data20MITAPI bindingsScience neneGoogle Cloud Spanner ORM generator.10,835MIT nengoJapanese wareki (和暦) date string parser45Apache-2.0Date and time nenjoAgent orchestration SDK for building agentic AI workflows with tool use, memory, and multi-agent delegation1,392Apache-2.0API bindingsAsynchronous nenjo-crypto-authWorker crypto enrollment and content-key auth primitives642Apache-2.0 nenjo-eventbusTransport-agnostic event bus for routing agentic AI workflow commands over NATS or custom transports954Apache-2.0AsynchronousNetwork programming nenjo-eventsTyped event definitions for agent-to-platform messaging in the Nenjo orchestration framework1,669Apache-2.0API bindingsEncoding nenjo-harnessNenjo harness runtime for assembled providers512Apache-2.0 nenjo-knowledgeKnowledge pack primitives1,118Apache-2.0 nenjo-modelsLLM provider trait and implementations — OpenAI, Anthropic, Gemini, OpenRouter, Ollama, and any OpenAI-compatible API1,522Apache-2.0API bindingsAsynchronous nenjo-nenpmNenjo package manager install planning547Apache-2.0 nenjo-packagesNenjo package catalog, fetch, dependency graph, and lockfile primitives661Apache-2.0 nenjo-platformNenjo platform-backed manifest and REST API operations788Apache-2.0 nenjo-secure-envelopeSecure envelope wrapper over nenjo-eventbus552Apache-2.0 nenjo-sessionsShared session contracts for Nenjo runtime, worker, and future session services683Apache-2.0 nenjo-tool-apiShared tool API contracts for Nenjo agents, providers, and runtimes1,259Apache-2.0 nenjo-toolsTool trait, types, and built-in tool implementations for the Nenjo agent platform489Apache-2.0API bindingsAsynchronous nenjo-workerAgent worker for the Nenjo platform516Apache-2.0 nenjo-xmlXML serialization and template rendering for structured LLM prompt context1,592Apache-2.0EncodingTemplate engine nenvA low permission nodejs environment manager.7,282GPL-3.0Command line utilitiesDevelopment tools nenyaA Rust crate for adaptive rate limiting and PID control.2,598MITAlgorithmsWeb programming nenya-sentinelA standalone rate limiting service using PID control.1,334MIT neoAPI wrapper & CLI tool for Neocities6,596MIT/Apache-2.0 neo-agent-harnessAutonomous Rust coding harness for long-running software engineering tasks with a supervisor loop, tool execution, and session…21MITCommand line utilitiesDevelopment tools neo-babylonA wasm-bindgen-based wrapper for Babylon.js17,791MIT OR Apache-2.0WebAssembly neo-cliCommand-line interface for the NeoRust SDK25MIT neo-cryptoAn encryption algorithm library written in Rust4,912MIT OR Apache-2.0AlgorithmsCryptography neo-decompilerNeo N3 NEF decompiler: parse, disassemble, lift bytecode to high-level pseudocode and C# skeletons, with a CLI, JSON reports, and…263MIT OR Apache-2.0Development toolsParser implementations neo-devpackNeo N3 Rust Development Pack for Smart Contract Development839MITCryptography::CryptocurrenciesDevelopment tools::FFI neo-devpack-solidityProduction-focused Solidity-to-NeoVM compilation system21MITCompilersCryptography neo-emailThe modern way to build emails services with Rust2,297MITAsynchronousEmail neo-installA blazingly fast Rust-based alternative installer for NeoForge.1,785MIT neo-lolcatRust rewrite of lolcat from skyline69 – zero-dependency rainbow text with animations, tests, and CI.101BSD-3-ClauseCommand line utilities neo-macrosProcedural macros for Neo N3 contracts926MITCryptography::CryptocurrenciesDevelopment tools::Procedural macro helpers neo-mimeStrongly Typed Mimes2,804,362MIT neo-mime-macromime procedural macros3,556MIT neo-mime-parsemime parsing internals2,804,464MIT neo-runtimeNeo N3 Runtime Stubs990MITCryptography::Cryptocurrencies neo-solana-compatSolana program compatibility layer for Neo VM84MITCryptography::CryptocurrenciesDevelopment tools neo-syncSynchronizing Neovim's configurations9,477MIT neo-syscallsNeo N3 Syscall Definitions1,080MITCryptography::Cryptocurrencies neo-testTesting framework for Neo N3 Rust smart contracts40MITCryptography::CryptocurrenciesDevelopment tools::Testing neo-typesNeo N3 Core Types for Smart Contract Development1,159MITCryptography::CryptocurrenciesData structures neo-vm-coreCore Neo VM engine, opcodes, storage, and native contracts331MIT neo-vm-guestGuest-side VM types and serialization helpers for proof inputs260MIT neo-web3Neo EVM JSON-RPC client.1,545MIT neo-zkvm-cliCLI for Neo zkVM script execution, proving, and verification41MIT neo-zkvm-programSP1 guest program for proving Neo VM execution39MIT neo-zkvm-proverSP1-backed proof generation for Neo zkVM191MIT neo-zkvm-verifierProof verification utilities for Neo zkVM118MIT neo3Production-ready Rust SDK for Neo N3 blockchain with high-level API, unified error handling, and enterprise features11,320MIT OR Apache-2.0API bindingsCryptography neo4jBolt driver for Neo4j.7,878Apache-2.0Database interfaces neo4j-cliA CLI to interact with Neo4j graph database written in Rust1,479MIT OR Apache-2.0Command line utilities neo4j_cypherA flexible and intuitive query builder for Neo4j and Cypher.8,352BSD-2-Clause neo4j_testcontainersNeo4j module for testcontainers-rs8,283MITDevelopment tools::Testing neo4rsRust driver for Neo4j919,604MITAsynchronousDatabase interfaces neo4rs-macrosMacros used by neo4rs840,602MIT neo4rs_include_snippetInternal proc macro for the include_snippet! macro, used in the neo4rs crate3,917MITAsynchronousDatabase interfaces neo_frizbeeFast typo-resistant fuzzy matching via SIMD smith waterman, similar algorithm to FZF/FZY151,931MITAlgorithmsText processing neo_trinkeyBoard Support crate for the Adafruit Neo Trinkey4,439MIT OR Apache-2.0Embedded developmentHardware support neobirthPure Data-powered acid house music synthesizer for the Adafruit NeoTrellis M4 Express3,329Apache-2.0Multimedia::AudioNo standard library neobitZero-dependency, lightweight bitflags with readable debug output156MIT OR Apache-2.0Data structuresNo standard library neobmpA new library to simplify the creation and modification of .BMP files4,466MIT neobridge-rustLets you control neopixels from your PC using a board.9,230MITEmbedded developmentHardware support neocacheA concurrent HashMap with S3-FIFO cache eviction, forked from DashMap46MITConcurrencyData structures neocalGoogle Calendar Command Line Interface6,310non-standardCommand line utilities neocitiesA simple Neocities API library4,509MIT neocities-clientAnother client for the Neocities API19,305GPL-3.0 neocities-syncSync files to neocities while doing the least amount of API requests.3,328MIT neocities_cliA CLI tool for managing websites hosted on Neocities.7,711MIT neocmakelspThe Lsp for cmake225,387MIT neocogineocogi rendering lib6,450BSD-3-Clause neocortexShared memory crate designed for simplicity, safety, and extensibility18,993MIT OR Apache-2.0Memory managementOperating systems::Unix APIs neocratesA comprehensive Rust library for various utilities and helpers1,103MIT neocrates-awss3AWS S3 helper crate for neocrates workspace26Apache-2.0 neocrates-awsstsSTS helpers (Aliyun/Tencent) for neocrates workspace26Apache-2.0 neocrates-helperHelper utilities for the neocrates workspace28Apache-2.0 neocrates-loggerLogging utilities for neocrates workspace27Apache-2.0 neocrates-responseResponse utilities and Axum integrations for the neocrates workspace27Apache-2.0 neocurlA command line tool to test servers9,710MITCommand line utilitiesDevelopment tools neodataStreaming fixed-memory 16-ary merkle tree with backend-agnostic storage57MITCryptographyData structures neodateGregorian to Neopian date converter1,024Apache-2.0Command line utilities neodbA fast, lightweight key-value database written in Rust. (Work in Progress)34MITDatabase implementations neodes_codecLibrary to read and write data from DSN files as described in the NeoDes norm.1,480AGPL-3.0-or-laterParser implementations neodiffNeo4j graph comparison tool89Apache-2.0Command line utilitiesDatabase interfaces neodockAn app dock for the Niri compositor22MIT neodymiumEmpty crate, used only to reserve the name.21MIT OR Apache-2.0 neodyn_xcNeodyn Exchange is the serialization format for the Neodyn database engine5,349MITData structuresDatabase interfaces neoengramVersion control for AI models and large datasets12MIT OR Apache-2.0