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.

nebula-fbthrift-common-v3Nebula Graph v3 common interface20,914Apache-2.0 OR MIT nebula-fbthrift-doubleNebula Graph Double20,173Apache-2.0 OR MIT nebula-fbthrift-graphNebula Graph graph interface12,913Apache-2.0 OR MIT nebula-fbthrift-graph-v1Nebula Graph v1 graph interface16,659Apache-2.0 OR MIT nebula-fbthrift-graph-v2Nebula Graph v2 graph interface27,141Apache-2.0 OR MIT nebula-fbthrift-graph-v3Nebula Graph v3 graph interface17,442Apache-2.0 OR MIT nebula-fbthrift-metaNebula Graph meta interface9,479Apache-2.0 OR MIT nebula-fbthrift-meta-v1Nebula Graph v1 meta interface4,129Apache-2.0 OR MIT nebula-fbthrift-meta-v2Nebula Graph v2 meta interface11,247Apache-2.0 OR MIT nebula-fbthrift-meta-v3Nebula Graph v3 meta interface4,851Apache-2.0 OR MIT nebula-fbthrift-raftexNebula Graph raftex interface9,171Apache-2.0 OR MIT nebula-fbthrift-raftex-v1Nebula Graph v1 raftex interface3,301Apache-2.0 OR MIT nebula-fbthrift-raftex-v2Nebula Graph v2 raftex interface9,706Apache-2.0 OR MIT nebula-fbthrift-raftex-v3Nebula Graph v3 raftex interface3,324Apache-2.0 OR MIT nebula-fbthrift-storageNebula Graph storage interface9,530Apache-2.0 OR MIT nebula-fbthrift-storage-v1Nebula Graph v1 storage interface4,284Apache-2.0 OR MIT nebula-fbthrift-storage-v2Nebula Graph v2 storage interface9,733Apache-2.0 OR MIT nebula-fbthrift-storage-v3Nebula Graph v3 storage interface3,769Apache-2.0 OR MIT nebula-ffiA Rust wrapper crate for communicating with Nebula via a CGO FFI.7,976GPL-3.0-or-later nebula-graph-clientNebula Graph client14,627Apache-2.0 OR MIT nebula-graph-fbthrift-commonNebula Graph common interface5,707Apache-2.0 OR MIT nebula-graph-fbthrift-common-v2Nebula Graph v2 common interface7,134Apache-2.0 OR MIT nebula-graph-fbthrift-graphNebula Graph graph interface2,943Apache-2.0 OR MIT nebula-graph-fbthrift-graph-v2Nebula Graph v2 graph interface4,191Apache-2.0 OR MIT nebula-graph-fbthrift-metaNebula Graph meta interface2,909Apache-2.0 OR MIT nebula-graph-fbthrift-meta-v2Nebula Graph v2 meta interface5,191Apache-2.0 OR MIT nebula-graph-fbthrift-raftexNebula Graph raftex interface2,944Apache-2.0 OR MIT nebula-graph-fbthrift-raftex-v2Nebula Graph v2 raftex interface4,289Apache-2.0 OR MIT nebula-graph-fbthrift-storageNebula Graph storage interface3,004Apache-2.0 OR MIT nebula-graph-fbthrift-storage-v2Nebula Graph v2 storage interface4,261Apache-2.0 OR MIT nebula-rustThe rust client to connect to NebulaGraph 2.01,142Apache-2.0 nebula-vrfBLS12-381 VRF core for Soroban: local randomness with optional on-chain verification73MITAlgorithmsCryptography nebula_emailEmail handler for nebula form-handling server1,713MPL-2.0EmailWeb programming::HTTP server nebula_formGeneral form9,677MPL-2.0EmailWeb programming::HTTP server nebula_statusAn HTTP status/error type for server applications15,132MPL-2.0 nebulaeA multi-threaded Nebulabrot renderer.2,690NPOSL-3.0Command line utilitiesGraphics nebularAn audio synthesis toolset1,544MITEncodingValue formatting nebulariterminal tools playground1,242MIT nebulauth-sdkRust SDK crate for NebulAuth runtime & dashboard API61MITAPI bindings nebulisA Full Stack Rust/Remix/SurrealDB/GraphQL Project Generator951MITCommand line utilitiesDevelopment tools nebulousA globally distributed container orchestrator15,447MIT nebulusLow-latency native OpenIPC FPV ground station built with egui270MIT nebzan immutable non-empty bytes container2,092MIT OR Apache-2.0 necaAI in terminal1,461MIT OR Apache-2.0Command line utilities neca-cmdA simple command tokenizer used by my Twitch chat bot2,825MIT necessistnecessist63,289AGPL-3.0 necessist-backendsnecessist-backends13,600AGPL-3.0 necessist-corenecessist-core51,725AGPL-3.0 necessist-frameworksnecessist-frameworks35,047AGPL-3.0 necko3-blockchainChain interaction (`BlockchainAdapter`, `BlockchainWorker`). Currently powers the `EvmBlockchain` with block tracking, reorg…35MIT necko3-coreThe interface. Contains `NeckoCore`, `NeckoCoreBuilder`, the central Orchestrator event loops, and background tasks (Janitor &…25MIT necko3-databaseDatabase traits (`DatabaseStore`, `DatabaseExt`), implementations (`PostgresAdapter`, `InMemoryAdapter`), and decorators…36MIT necko3-typesPure domain models: `Invoice`, `Payment`, `ChainData`, `TokenData`, `WebhookEvent`, etc.52MIT neco-algnumexact real algebraic numbers with certified root isolation15MITMathematicsNo standard library neco-argon2minimum dependency Argon2id password hashing with Blake2b26MITCryptography neco-argparsenecosystems series CLI argument parser and validator backed by neco-json24MITCommand-line interfaceParser implementations neco-array2Lightweight row-major 2D array foundation for grid-oriented crates109MITAlgorithmsMathematics neco-astzero dependency structured data access traits217MITData structuresParser implementations neco-base58zero dependency Base58BTC encoder and decoder20MITEncoding neco-base64zero dependency Base64 encoder and decoder294MITEncoding neco-bigintarbitrary-precision integers, rationals, and dyadic intervals for exact arithmetic18MITMathematicsNo standard library neco-brepAnalytical B-Rep engine with boolean operations34MITAlgorithmsGraphics neco-carnecosystems series CAR v1 parser and writer for content-addressable archives43MITEncodingParser implementations neco-cbornecosystems series CBOR / DAG-CBOR codec for no_std environments110MITEncodingNo standard library neco-cdt2D Constrained Delaunay Triangulation with exact geometric predicates119MITAlgorithmsGraphics neco-cidnecosystems series CIDv1 and multibase core150MITEncodingParser implementations neco-colorzero dependency color space conversion utilities (sRGB gamma, HSL, CCT)85MITGraphicsMultimedia::Images neco-complexLightweight complex-number foundation for FFT and solver crates166MITAlgorithmsMathematics neco-contactHertz contact and spatial helpers on uniform 2D fields22MITAlgorithmsMathematics neco-decorPlatform-agnostic decoration data model for text editor highlight, marker, and widget ranges100MITData structuresText processing neco-diffcoreLine-level and character-level diff computation with hunk mapping and side-by-side view support71MITAlgorithmsText processing neco-dop853Dormand-Prince 8(5,3) adaptive Runge-Kutta integrator24MITAlgorithmsMathematics neco-eccnecosystems series Reed-Solomon error correction over GF(2^8)25MITMathematicsNo standard library neco-edge-routingnecosystems series 2D edge routing primitives for node graphs57MITGraphicsMathematics neco-edge-routing-wasmminimum dependency WebAssembly bindings for neco-edge-routing via wasm-bindgen21MITGraphicsWebAssembly neco-editorUmbrella crate for editor runtime primitives with a unified text buffer35MITText processing neco-editor-searchText search engine for editor buffers77MITText processing neco-editor-viewportViewport geometry calculations for editor rendering78MITText processing neco-eigensolveLightweight solvers for generalized eigenvalue problems79MITAlgorithmsMathematics neco-exprexact expression graphs with certified floating-point approximations13MITMathematicsNo standard library neco-filetreePure file tree snapshot helpers for merge, flatten, reveal, and lookup103MITAlgorithmsData structures neco-formsumexact rational linear combinations of radical monomials16MITMathematicsNo standard library neco-fuzzyMinimal fuzzy score core for commands, paths, and short identifiers38MITAlgorithmsText processing neco-galoisnecosystems series finite field arithmetic for secp256k1 and P-256201MITCryptography neco-gf256zero dependency GF(2^8) finite field arithmetic63MITMathematicsNo standard library neco-gridfieldUniform 2D grids and triple-buffered field state23MITAlgorithmsMathematics neco-historyTree-based edit history with undo/redo and automatic checkpointing84MITData structuresText processing neco-jsonzero dependency minimal JSON codec for no_std environments438MITEncodingNo standard library neco-json-astnecosystems series structured access layer for JSON values39MITData structuresParser implementations neco-json5zero dependency JSON5 subset parser55MITEncodingParser implementations neco-json5-astnecosystems series structured access layer for JSON5 values19MITData structuresParser implementations neco-kdlzero dependency KDL v2 parser, serializer, and document builder199MITEncodingParser implementations neco-kdl-astnecosystems series structured AST layer for KDL v2 documents86MITData structuresParser implementations neco-kmeansk-means++ clustering for arbitrary-dimensional f64 vectors72MITAlgorithmsScience neco-mesh1D/2D/3D mesh and voxel discretization primitives34MITAlgorithmsGraphics neco-minphaseMinimum-phase spectrum and overlap-add convolution kernels21MITAlgorithmsMathematics neco-modalModal extraction utilities for time-series vibration data22MITAlgorithmsMathematics neco-monomialprime-exponent monomials for exact rational radicals17MITMathematicsNo standard library neco-nodegraphnecosystems series node graph data model with port-typed nodes and edges19MITData structures neco-nostr-wasmminimum dependency WebAssembly bindings for neco-secp and neco-vault37MITCryptographyWebAssembly neco-nurbs2D rational NURBS curves and region representation180MITGraphicsMathematics neco-p256minimum dependency P-256 ECDSA signing core44MITCryptography neco-pathrelPolicy-driven path relation and rename remap helpers for workspace runtimes130MITAlgorithmsData structures neco-pigmentKubelka-Munk spectral mixing for physically-based paint color blending20MITGraphicsMultimedia::Images neco-plistzero dependency plist XML subset parser51MITEncodingParser implementations neco-plist-astnecosystems series structured access layer for plist values18MITData structuresParser implementations neco-radiationAcoustic radiation power estimators for vibrating surfaces22MITAlgorithmsMathematics neco-randDeterministic non-cryptographic random generators and stable bucket assignment21MITAlgorithms neco-secpminimum dependency secp256k1 and Nostr signing core155MITCryptography neco-serverumbrella crate for neco server foundation22MIT neco-server-corecore http primitives for neco-server97MIT neco-server-routerfixed-path router primitives for neco-server61MIT neco-server-runtimeruntime primitives for neco-server64MIT neco-sha1zero dependency SHA-1 hash function63MITCryptography neco-sha2zero dependency SHA-256, HMAC-SHA256, and HKDF-SHA256321MITCryptography neco-sparseLightweight COO / CSR sparse matrix types116MITData structuresMathematics neco-spectralSpectral clustering via normalized Laplacian, LOBPCG, and k-means29MITAlgorithmsMathematics neco-splinezero dependency natural cubic spline interpolation108MITMathematicsScience neco-stencilFinite-difference stencil operators on uniform 2D grids24MITAlgorithmsMathematics neco-stftBackend-agnostic real FFT facade, windows, and STFT124MITAlgorithmsMathematics neco-stlSTL file parser and writer with vertex deduplication77MITGraphicsParser implementations neco-syntax-textmateTextMate-style syntax loading and tokenization on top of syntect39MITParsing toolsText processing neco-textpatchDeterministic text patch helpers for narrow structured edits217MITAlgorithmsText processing neco-textviewText position primitives: line/column ↔ byte offset, UTF-16 mapping, selection/caret model206MITAlgorithmsText processing neco-tomlzero dependency TOML subset parser71MITEncodingParser implementations neco-toml-astnecosystems series structured access layer for TOML values41MITData structuresParser implementations neco-treeGeneric ID-bearing tree with cursor-based navigation114MITData structures neco-tuiZero-dependency minimal ANSI terminal helpers22MITCommand-line interface neco-vaultminimum dependency memory-only signing vault built on neco-secp86MITCryptography neco-view2d2D view coordinate transform (pan / zoom)138MITGraphics neco-view2d-svgnecosystems series SVG attribute emitters for neco-view2d world coordinates55MITGraphics neco-view2d-svg-wasmminimum dependency WebAssembly bindings for neco-view2d-svg via wasm-bindgen20MITGraphicsWebAssembly neco-view2d-wasmWebAssembly bindings for neco-view2d via wasm-bindgen24MITGraphicsWebAssembly neco-watchnormHost-agnostic file watcher event normalization and batch coalescing85MITAlgorithmsFilesystem neco-wrapWord wrap engine with pluggable line-breaking and character-width policies127MITAlgorithmsText processing neco-xmlzero dependency XML subset parser46MITEncodingParser implementations neco-xml-astnecosystems series structured access layer for XML values18MITData structuresParser implementations neco-ymlzero dependency YAML subset parser69MITEncodingParser implementations neco-yml-astnecosystems series structured access layer for YAML values42MITData structuresParser implementations necromancerReserving a package name for a pure-Rust re-implementation of the Blackmagic ATEM control protocol333Apache-2.0 necromancer_protocolLow level protocol primitives for Blackmagic ATEM control protocol314Apache-2.0 necronuxA cross-platform robust meta-orchestrator for automation tools, scripts, and configurations through an extensible architecture.1,894GPL-3.0-or-laterCommand line utilities necronux_cli_appProvides the CLI implementation for Necronux.2,239GPL-3.0-or-laterCommand line utilities necronux_coreProvides core business logic for Necronux.2,444GPL-3.0-or-laterCommand line utilities necronux_internalAn internal Necronux crate.2,105GPL-3.0-or-laterCommand line utilities necronux_utilsA collection of utils for Necronux.2,435GPL-3.0-or-laterCommand line utilities necrospider-cliAn advanced OSINT automation tool launcher with a stunning interactive TUI.160MITCommand line utilities necrywagenCrypto keys generator3,779MITCommand-line interfaceCommand line utilities necsAn ECS implementation, primarily serving as a learning project56MITData structuresGame engines necstarA stabilizer decomposition based quantum circuit simulator core library implemented in Rust.47MITScienceSimulation nectarTelnet protocol (RFC 854) implementation via a Tokio codec. Includes support for various MUD protocol extensions.7,404MIT OR Apache-2.0Network programming nectar-contractsSwarm storage incentive contract bindings and addresses158AGPL-3.0-or-laterData structuresNo standard library nectar-langA compiled-to-WASM frontend language with built-in security, SEO, and mobile support148non-standardCompilersWebAssembly nectar-mantarayMantaray manifest trie for Ethereum Swarm330AGPL-3.0-or-laterData structures nectar-postagePostage stamp primitives for Ethereum Swarm268AGPL-3.0-or-laterData structuresNo standard library nectar-postage-issuerPostage stamp issuing and signing for Ethereum Swarm239AGPL-3.0-or-laterCryptographyData structures nectar-postage-usageSelf-hosted postage batch utilization snapshots for Ethereum Swarm80AGPL-3.0-or-laterData structuresNo standard library nectar-primitivesCore primitives for Ethereum Swarm: chunks, addresses, and binary merkle trees434AGPL-3.0-or-laterCryptographyData structures nectar-swarmsCanonical type definitions for Ethereum Swarm networks98AGPL-3.0-or-laterData structuresNo standard library nectoNecto's core standard libraries4,133MIT necto_stringsNecto's standard strings library735MIT nedNed is the new standard text editor.3,561MIT neda-clia siple adhan cli app written in rust2,538MIT OR Apache-2.0Command line utilitiesMultimedia::Audio neda-liba siple adhan library with client written in rust914MIT OR Apache-2.0Command line utilitiesMultimedia::Audio nedb-engineNEDB v2 — content-addressed DAG storage engine with NQL and HTTP server (nedbd binary)787BUSL-1.1Database implementationsWeb programming::HTTP server nedisBrute forcing web directories1,910BSD-2-ClauseCommand line utilities nedotsA tool to manage configuration files/(ne)dots.9,691MIT OR Apache-2.0Command line utilitiesConfiguration nedrySmall bundler for C1,498MITCommand line utilitiesDevelopment tools::Build Utils neeEasy way to fire http requests to other servers1,655MIT OR Apache-2.0 needneed196MulanPSL-2.0 needleFast search functions for finding things in Strings, Arrays and iterators.5,620MIT needle-cC ABI shared library for Needle (FFI, Python, Go, Swift, etc.)20MIT needle-cliTUI that highlights the GitHub PRs that need you484MIT needle-coreno_std compute kernels for Needle inference (matmul, attention, norm, rope, quant)85MIT needle-inferNeedle inference engine: tokenizer, KV cache, constrained decoding, SafeTensors loader62MIT needle-rsFind openings and endings across video files7,468MIT OR LGPL-2.1-or-laterCommand line utilitiesMultimedia needlemanneedleman is a needleman-wunsch algorithm implement2,645MIT needlerA load testing utility, that uses JSON files to describe configuration and behavior.1,454MIT OR Apache-2.0 needletailFASTX parsing and k-mer methods530,103MITParsing toolsScience needroleshereYet another AWS IAM Roles Anywhere helper6,310Apache-2.0AuthenticationCommand line utilities needsCheck if given bin(s) are available in the PATH6,756GPL-3.0-or-laterCommand line utilities needs-rebootCrate to check if a linux system needs to be rebooted3,9020BSD needs_env_varSkip a test if an environment variable is undefined or has a specific value.35,889MIT needs_rebuildA utility to check if files need to be rebuilt based on their modification times.283MIT needyRequirements tracing macro1,910MIT OR Apache-2.0 neekA better fuzzy finder37MPL-2.0 neek-coreCore fuzzy matching and scoring engine65MPL-2.0 neel_twelve_daysPrints the lyrics to the twelve days of Christmas29MIT OR Apache-2.0 neemoA lightweight NoSQL key-value database powered by sled. For queries send them to levidevi61@gmail.com2,616MITDatabase interfaces neeqaqueБиблиотека позволяет легко напечатать слово neeqaque. Просто воспользуйтесь neeqaque::print(); ;)2,642MIT neet_rpnThis is an RPN evaluator made for learning Rust.1,506MIT nef-compactorLossless recompression of Nikon .NEF raw files with JPEG XL98MITCommand line utilitiesCompression nefaxerHigh-performance directory indexer with content-aware diffing. Walks trees in parallel, stores metadata in SQLite, compares…972MIT or Apache-2.0CachingCommand line utilities nefeleFARIMA modelling7,124MIT nefit-clientLibrary for communicating with Bosch/Nefit thermostat API488MIT OR Apache-2.0API bindingsHardware support nefsmA simple state machine library for Rust.6,925MITAlgorithms negahban🧐 A simple file watcher, based on `notify`, designed to be fast, easy-to-use and async friendly10,720MITAsynchronousFilesystem negatable-setWrapper for sets that allows full boolean operations including negation1,798MIT OR Apache-2.0Data structures negateAttribute macro that generates negated versions of functions that return booleans.3,115MITRust patterns negativeNegative impls in stable Rust5,940Zlib OR MIT OR Apache-2.0