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.

nmp-nip29NIP-29 relay-based groups as an NMP protocol crate. Kind-blind transport: owns only the group-routing envelope (h / previous /…43MIT nmp-nip42NIP-42 relay AUTH as an NMP protocol crate. Owns the kind:22242 builder and the per-relay handshake driver; the shared wire/type…18MIT nmp-nip42-typesDependency-free NIP-42 wire/type substrate: the RelayAuthState lifecycle enum and the AUTH/OK frame shapes + parsers. Shared…243MIT nmp-nip46Transport-agnostic NIP-46 protocol core (pure event-reducer handshake + RPC helpers).27MIT nmp-nip46-runtimeNIP-46 actor-lane runtime — drives the nmp-nip46 reducer over the actor relay lane (Layer-4). PR-B1: sign-ready with real…17MIT nmp-nip50NIP-50 search request and result-projection primitives for NMP. Core/planner carry the generic search filter; this crate owns…61MIT nmp-nip51NIP-51 list projections for NMP: mute suppression, global bookmarks, bookmark/curation sets, web bookmarks, and search-relay…44MIT nmp-nip59NIP-59 gift-wrap / seal / rumor. Shared envelope for NIP-17 DMs and Marmot Welcome delivery.37MIT nmp-nip60NIP-60 Cashu wallet + NIP-61 NutZap + NIP-88 mint discovery event codecs, Cashu proof/DLEQ/P2PK/rollover types, and pure shape…16MIT nmp-nip65-typesDependency-light NIP-65 relay-list tag decoder shared by routing and test-support fixtures.42MIT nmp-nip68NIP-68 picture-first feed primitives for NMP: kind:20 PictureEventRecord decoder, NIP-92 imeta parser, and PicturePostBuilder…19MIT nmp-nip77NIP-77 negentropy reconciliation primitives and runtime adapter for NMP.28MIT nmp-nip78NIP-78 kind:30078 app-data mechanics: safe builder plus active-account raw app-data projection. App-specific keys and policy stay…16MIT nmp-nip84NIP-84 kind:9802 highlight publish action for NMP apps.63MIT nmp-nip89Dependency-light NIP-89 client-identity vocabulary: ClientIdentity → relay User-Agent string + optional NIP-89 `client` tag…16MIT nmp-nip92-typesDependency-light NIP-92 imeta wire/type substrate shared by media-oriented NIP crates.30MIT nmp-nostr-idDependency-light Nostr identifier vocabulary (Layer 0): the typed NIP-19 bech32 entity codec (`Nip19Entity` for…236MIT nmp-nostr-lmdbNMP-local fork of nostr-lmdb v0.44.1 with env-injection seam (PD-026 Option B)94MIT nmp-note-feedReusable note-feed composition: OP/flat feed projections that compose NIP-01, NIP-10, and NIP-18 facts into typed feed rows.28MIT nmp-ownershipPositive ownership descriptors for NMP crates: artifact, envelope, mechanism, and namespace claims.310MIT nmp-plannerSubscription compiler: LogicalInterest, mailbox cache, lattice merge rules, per-relay plan projection. Extracted from nmp-core…236MIT nmp-reactionsProtocol-owned reaction (kind:7) count read for NMP apps: open_reactions over the NIP-25 adapter.16MIT nmp-read-sessionConcept-neutral read-lifecycle engine: one open/replace/close registry, replay-before-live ordering, exact-demand withdrawal,…134MIT nmp-relay-urlDependency-free relay-URL canonicalization vocabulary (Layer 0): the single workspace authority for normalizing a ws:///wss://…250MIT nmp-repliesProtocol-owned reply read plans, reply targets, and reply event builder for NMP apps.16MIT nmp-repostsProtocol-owned repost read plans and repost targets for NMP apps (NIP-18, #2758).16MIT nmp-routerLayer-2 routing: one generic OutboxRouter algorithm (NIP-65 mailbox + relay hints + p-tag inbox + indexer eligibility), the…27MIT nmp-signer-ifaceTransport interface types shared by nmp-core and nmp-signers — SignerError, SignerOp, and the NIP-46 Nip46Rpc / Nip46Transport…242MIT nmp-signersSigner trait + Local nsec / NIP-46 bunker / NIP-07 implementations + multi-account AccountManager for nmp-core.28MIT nmp-sqlite-wasmOPFS-backed SQLite EventStore backend for wasm32 (#1007). Spine only — the SQLite engine + EventStore impl land in later PRs.26MIT nmp-storeEventStore trait + MemEventStore / LmdbEventStore backends. Extracted from nmp-core (see docs/architecture/crate-boundaries.md…234MIT nmp-substrateOwned NMP substrate construction: router/mailbox/parser/publish resolver/coverage wiring.16MIT nmp-threadingReply-convention-agnostic timeline grouping algorithm. Owns ThreadPointer / ParentResolver / ModulePolicy / TimelineBlock /…102MIT nmp-wotClient-side web-of-trust primitives for NMP: follow/mute graph scoring plus automatic replaceable-kind bootstrap interests.28MIT nmr-scheduleAlgorithms for NMR Non-Uniform Sampling1,650MITAlgorithmsMathematics nmrsA Rust library for NetworkManager over D-Bus13,997MITAPI bindingsAsynchronous nmrs-guiGTK4 GUI for managing NetworkManager connections122MITGUI nmrs-tuiA fast, keyboard-first TUI for NetworkManager — built in Rust.28GPL-3.0Command line utilities nms-cacheZero-copy rkyv serialization cache for No Man's Sky Copilot fast startup126MIT OR Apache-2.0Command line utilitiesGames nms-cliOne-shot CLI for No Man's Sky Copilot — search planets, plan routes, convert glyphs46MIT OR Apache-2.0Command line utilitiesGames nms-copilotInteractive galactic copilot for No Man's Sky — REPL with live save file updates50MIT OR Apache-2.0Command line utilitiesGames nms-coreCore types, enums, address math, and portal glyph display for No Man's Sky Copilot554MIT OR Apache-2.0Command line utilitiesGames nms-graphIn-memory galactic model with spatial index and routing for No Man's Sky Copilot403MIT OR Apache-2.0Command line utilitiesGames nms-queryShared query engine for No Man's Sky Copilot (find, route, show, stats)238MIT OR Apache-2.0Command line utilitiesGames nms-saveRaw binary save file parser for No Man's Sky (LZ4, XXTEA, key deobfuscation)456MIT OR Apache-2.0Command line utilitiesGames nmstateLibrary for networking management in a declarative manner90,675Apache-2.0Network programmingOperating systems::Linux APIs nmstate-clibNmstate C binding2,699Apache-2.0 nmstatectlCommand line tool for networking management in a declarative manner37,532Apache-2.0Network programming nmt-rsA namespaced merkle tree compatible with Celestia695,030MIT OR Apache-2.0 nmtuiWrapper around nmcli116MIT nmuidiParallelizes deleting directories which can significantly speed up deleting large deeply nested directories with a large number…6,251MITCommand line utilitiesFilesystem nmwrapAn interactive terminal user interface (TUI) written in Rust and Ratatui for scanning and managing Wi-Fi connections using nmcli29MITCommand line utilities nnA multilayer feedforward backpropagation neural network library21,799Apache-2.0 nn-inplace-rsOptimized NN library for embedded devices.79MIT nn-rs1D nearest neighbors for nalgebra4,038MIT nn_rustA small neural network library in Rust68MIT nn_yandex_artLibrary for working with Yandex ART API761MIT nn_yandex_gptLibrary for working with Yandex GPT API730MIT nnaNNA(Natural Number Array), A creative unsigned big integer.68MITAlgorithmsData structures nnapiProvides a safe abstraction of the Android NNAPI FFI bindings.5,117Apache-2.0AlgorithmsAPI bindings nnapi-sysFFI to the Android NNAPI5,800Apache-2.0AlgorithmsAPI bindings nncombinatorA library of neural networks that can be written type-safely18,785MITMathematicsScience nndA fast handmade TUI-based debugger for Linux4,784Apache-2.0Development tools::Debugging nndexIn-memory nearest neighbor search engine.59MITAlgorithmsMathematics nndiTotally not a NDI protocol implementation in Rust.1,513GPL-3.0 nne_coreCore of an nne editor. Can be reused for making GUI, another attempts at making TUI.1,692MIT nneraa private date-stamp CLI tool for NNera echo/check/...1,522non-standardCommand line utilities nnetA feedforward neural network.3,228GPL-3.0 nnfNegation Normal Form manipulation library3,788MIT nnfunctionalhello world1,220MIT nngA safe wrapper for NNG (Nanomsg v2)296,659MITAPI bindingsNetwork programming nng-cHigh level bindings nng C library20,430BSL-1.0API bindings nng-c-sysBindings nng C library40,703BSL-1.0API bindings nng-corePure-Rust implementation of the NNG Scalability Protocols111MIT OR Apache-2.0 nng-sysBindings to NNG (Nanomsg-Next-Generation) aka Nanomsg2299,806MITExternal FFI bindingsNetwork programming nng_asyncHigh-level wrapper around nng (Nanomsg-Next-Generation) aka Nanomsg21,806MITNetwork programming nnlA high-performance neural network library for Rust with CPU and GPU support2,569MITAlgorithmsScience nnlangCompiler for the NNLang (Neural Network Language)181Apache-2.0CompilersEmbedded development nnli🔭 interactively explore `onnx` networks in your CLI.16,317MIT nnlsNon-Negative Least Squares (nnls)28,084BSD-2-ClauseAlgorithmsMathematics nnmf_nalgebraNon-negative matrix factorization using nalgebra2,249MIT OR Apache-2.0 nnnGenerate your newtypes from a single macro.7,448WTFPLData structuresRust patterns nnn-macrosGenerate your newtypes from a single macro.3,341WTFPLData structuresRust patterns nnnoiselessAudio denoising, derived from Xiph's RNNoise library658,604BSD-3-Clause nnotesA fast and simple notes CLI602MIT nnrplaceholder crate for nnrs24MIT OR Apache-2.0 nnrp-conformanceRust-owned NNRP conformance fixtures, golden vectors, and adapter helpers.556Apache-2.0API bindingsAsynchronous nnrp-coreCanonical NNRP wire codecs, protocol validation, state machines, and preview3 core types.1,252Apache-2.0API bindingsAsynchronous nnrp-ffiC-compatible NNRP FFI surface with value handles, event polling, and native library packaging.695Apache-2.0API bindingsAsynchronous nnrp-runtimeTransport-neutral NNRP client/server session runtime over framed async transport slots.1,009Apache-2.0API bindingsAsynchronous nnrp-transport-ipcIPC transport provider for NNRP using Unix domain sockets or Windows named pipes.492Apache-2.0API bindingsAsynchronous nnrp-transport-providerNNRP transport provider metadata, capability intersection, native discovery, and deterministic selection.1,081Apache-2.0API bindingsAsynchronous nnrp-transport-quicDefault Quinn/Rustls QUIC transport provider plus injection helpers for NNRP.741Apache-2.0API bindingsAsynchronous nnrp-transport-tcpTCP transport provider package for NNRP framed runtime transport and listener slots.724Apache-2.0API bindingsAsynchronous nnrp-transport-websocketNative WebSocket transport provider for NNRP binary frames.500Apache-2.0API bindingsAsynchronous nnrp-wasmWASM primitives for NNRP framing, structured probe metrics, and deterministic transport selection.421Apache-2.0API bindingsAsynchronous nnrsRust Neural Network Library6,119AGPL-3.0Science nnsdao_sdk_basicBasic functionality to build a DAO.3,832Apache-2.0 nnsdkCleanroom reverse-engineered bindings for nnsdk (Nintendo Switch SDK)203,486MIT nnsplitA tool to split text using a neural network. For sentence boundary detection, compound splitting and more.884,592MITScienceText processing nntpNNTP client for Rust9,815MIT OR Apache-2.0 nntp-proxyNNTP proxy server with per-command backend multiplexing, caching, metrics, and TUI dashboard809MITAsynchronousCaching nntp-rsHigh-performance async NNTP client with compression and connection pooling384MITAsynchronousNetwork programming nnue-rsLoad and evaluate NNUE chess networks (Stockfish SFNNv10 threat nets, HalfKAv2_hm, HalfKAv2 and HalfKP), with FEN and trait…111MITAlgorithmsGames nnv-rsVerification and Statistics on Deep Neural Networks15,225MITAlgorithmsScience nnxCLI for ONNX inference using Burn28MIT nNye-user_server-gateway-businessThe business layer of the gateway5,803AGPL-3.0-or-later nNye_solana_communication_layerA crate to interact with the solana blockchain6,716AGPL-3.0-or-later nNye_user_businessThe business layer of the gateway8,509AGPL-3.0-or-later nNye_user_persistenceThe persistence layer of the user server3,459AGPL-3.0-or-later nNye_user_queue_persistenceThe business layer of the gateway8,290AGPL-3.0-or-later nono - output the string 'n' repeatedly until killed. Source: https://github.com/ramn/no7,922Apache-2.0 no-adjacentMax sum when no two elements are adjacent in a list.2,834MIT no-alloc-channelThis library provides an implementation of a thread-safe and lock-free single-producer, single-consumer channel which can be…721MIT no-ansiA CLI tool for removing ANSI escape sequences from strings1,588MIT no-bitchesmegamind meme megamind meme megamind meme megamind meme1,686GPL-3.0Multimedia::Images no-block-plsInstrument async Rust code to surface blocking work between await points43MIT OR Apache-2.0Development toolsDevelopment tools::Profiling no-breakTypesafe extraction of continuation values from unbreakable control flows17,672Apache-2.0 OR MITNo standard libraryRust patterns no-cliSay no with some pzazz.2,377MIT no-cluely-driverRust library for detecting Cluely employee monitoring software and its evasion techniques486MITDevelopment toolsOperating systems::macOS APIs no-commentRemove rust-style line and block comments from a char iterator.219,926Apache-2.0 no-copyA simple packer, but no implement copy412MITData structuresNo standard library no-crlfA CLI tool to convert CRLF line endings to LF in text files770non-standardCommand line utilitiesText processing no-error-typeError type for no error6,095CC0-1.0 no-incode-commentsA proc macro that removes in-code comments from the code1,000MIT no-ioAn attempt at writing a sans-I/O helper library1,231non-standard no-kvNo Copycat, No KV48MIT OR Apache-2.0 no-linkintentionally break any linking (linking stage)38BSD-2-Clause OR Apache-2.0 OR MITDevelopment toolsRust patterns no-mangle-if-debugAttribute macro that does #[no_mangle] only in debug mode.1,727MIT no-mistakesStatic analysis tools for codebase dependency and symbol queries927MIT no-mistakes-coreCore shared logic for no-mistakes static analysis tools424MIT no-more-edge-rsReplaces edge calls with calls to your default browser1,528MITConfigurationFilesystem no-more-secretsdata decryption effect seen on screen in the 1992 hacker movie Sneakers39GPL-3.0Command line utilities no-opA minimal no-op Rust binary optimized for fast startup.894MIT no-orderA transparent wrapper to ignore ordering and hashing of any value743MITData structures no-panicAttribute macro to require that the compiler prove a function can't ever panic.967,976MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation no-panic-constFork of no-panic crate with const fn and const Trait support759MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation no-panicsAttribute macro to require that the compiler prove a function can't ever panic.1,533MIT OR Apache-2.0 no-panics-whatsoeverStatically assert that a program written in Rust does not panic1,866MIT no-pico-args`no_std` version of `pico_args` by RazrFalcon.52MIT no-proxyParses and evaluate no_proxy configuration1,188,151MIT no-rs🚀 A blazingly fast, memory-safe rewrite of the classic Unix 'yes' command inverted. Written in Rust! 🦀1,457MIT OR Apache-2.0Command line utilitiesDevelopment tools no-sqlmessage queue library1,553MIT no-std-asyncAsync synchronization primitives for #[no_std] rust6,318MIT no-std-compatA `#![no_std]` compatibility layer that will make porting your crate to no_std *easy*.55,423,950MITNo standard library no-std-compat2A `#![no_std]` compatibility layer that will make porting your crate to no_std *easy*. This fork fixes build upto Rust Edition…8,020MITNo standard library no-std-httpA library of common HTTP types design for no std environment2,727Apache-2.0 no-std-moving-averageMoving average filter for use in nostd environments.1,315MIT OR Apache-2.0AlgorithmsNo standard library no-std-netRust's std::net... without the 'std'.28,589,166MITEmbedded developmentNetwork programming no-std-svm-merkle-treeA no-std svm-compatible merkle tree library84MITCryptographyData structures no-std-thiserrorthiserror but no_std compatible1,742MIT OR Apache-2.0Rust patterns no-std-thiserror-implImplementation detail of the `no-std-thiserror` crate2,021MIT OR Apache-2.0 no-std-tinybaseA tiny embedded database built in Rust.430MITNo standard library no-std-tinybase-deriveA tiny embedded database built in Rust.438MITNo standard library no-stdoutA `no_std` compatible stdout facade for Rust.2,803MIT OR Apache-2.0No standard library no-ticketsPlaceholder — the real no-tickets CLI ships from https://github.com/magic-ingredients/no-tickets via install.sh / brew / scoop /…21Apache-2.0Command line utilities no-undoDisable undo/redo shortcut keys (Ctrl+Z/Y) for Windows Explorer.1,395GPL-3.0-or-later no-unwrapno-unwrap685MIT no-wayA library to work with Javascript Object Signing and Encryption(JOSE), including JSON Web Tokens (JWT), JSON Web Signature (JWS)…8,307MITAuthenticationWeb programming no-way-jose-aes-cbc-hsAES-CBC + HMAC-SHA JWE content encryption for no-way-jose48Apache-2.0AuthenticationCryptography no-way-jose-aes-gcmAES-GCM JWE content encryption (A128GCM, A192GCM, A256GCM) for no-way-jose47Apache-2.0AuthenticationCryptography no-way-jose-aes-gcm-kwAES-GCM Key Wrap (A128GCMKW, A192GCMKW, A256GCMKW) JWE key management for no-way-jose47Apache-2.0AuthenticationCryptography no-way-jose-aes-kwAES Key Wrap (A128KW, A192KW, A256KW) JWE key management for no-way-jose48Apache-2.0AuthenticationCryptography no-way-jose-aws-lcaws-lc-rs crypto backend for no-way-jose (HMAC, ECDSA, EdDSA, RSA, AES-GCM)45Apache-2.0AuthenticationCryptography no-way-jose-claimsJWT registered claims and composable validators for no-way-jose45Apache-2.0AuthenticationCryptography no-way-jose-coreCore traits, token types, and JWK support for the no-way-jose JOSE library518Apache-2.0AuthenticationCryptography no-way-jose-ecdh-esECDH-ES JWE key agreement (P-256, P-384, X25519) for no-way-jose47Apache-2.0AuthenticationCryptography no-way-jose-ecdsaECDSA JWS algorithms (ES256, ES384, ES512) for no-way-jose45Apache-2.0AuthenticationCryptography no-way-jose-eddsaEdDSA (Ed25519) JWS algorithm for no-way-jose46Apache-2.0AuthenticationCryptography no-way-jose-graviolaGraviola crypto backend for no-way-jose (HMAC, ECDSA, EdDSA, RSA, AES-GCM)46Apache-2.0AuthenticationCryptography no-way-jose-hmacHMAC-SHA JWS algorithms (HS256, HS384, HS512) for no-way-jose46Apache-2.0AuthenticationCryptography no-way-jose-pbes2PBES2 password-based JWE key management for no-way-jose45Apache-2.0AuthenticationCryptography no-way-jose-rsaRSA JWS/JWE algorithms (RS256, PS256, RSA-OAEP, etc.) for no-way-jose45Apache-2.0AuthenticationCryptography no_allocEmbedded friendly pointer types for applications without heap allocators2,564Unlicense/0BSDNo standard library no_browsera light-weight, head-less 'web browser' based on reqwest12,559MIT OR Apache-2.0Development tools::TestingWeb programming no_code_download_counterDoes nothing. Contains no code whatsoever. Exists only to give a background measurement for download statistics so that one can…8,202CC0-1.0 no_colorDetect NO_COLOR environment variable.45,670MITCommand-line interface no_deadlocksA Runtime Deadlock Debugger2,658,224MPL-2.0 no_debugHelper types to omit debug info for select values.4,916,639MIT no_denormalsTemporarily turn off floating point denormals.83,509MITMultimedia::Audio no_dropA simple wrapper type that guards against a value being automatically dropped.509MIT OR Apache-2.0Memory managementRust patterns no_erroran error library for no_std4,292MIT OR Apache-2.0 no_error_macroa macro returning errors for no_std3,988MIT OR Apache-2.0 no_inflateA minimal no_std Rust library implementing zlib inflate (DEFLATE) algorithm in pure Rust using alloc for dynamic output buffer.70GPL-2.0CompressionNo standard library no_mangle_pub_export_c_fnA library for extracting #[no_mangle] pub extern "C" functions.4,068MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI no_mutexA lean no_std mutex for single threaded environments2,968MIT OR Apache-2.0No standard library no_need_sudoa simple rust package of checking if a user is root or not. Uploading for testing.2,635MIT no_protoFlexible, Fast & Compact Serialization with RPC50,824MITData structuresDatabase interfaces no_std_collectionsAuxiliary structures and traits for using dynamically resizable arrays (Vectors) in flexible environments, supporting both std…5,546MIT no_std_ioThe bare essentials of std::io for use in no_std. Alloc support is optional.4,677,077Apache-2.0 OR MITNo standard library no_std_io2The bare essentials of std::io for use in no_std. Alloc support is optional.11,692,558Apache-2.0 OR MITNo standard library no_std_pathA no_std fork of the path module from https://github.com/rust-lang/rust36MIT OR Apache-2.0FilesystemNo standard library no_std_stringsno_std version of crate fixedstr: strings of constant maximum size that can be copied and stack allocated1,057,050MIT no_std_tetrisA flexible Tetris implementation for no_std and standard environments1,134MITEmbedded developmentGames no_std_timeTime measurments that work in no_std environments207MIT OR Apache-2.0Embedded developmentNo standard library no_std_toolCommon no_std boilerplate and synchronization macros37MITNo standard library no_std_tool_macrosMacros for no_std_tool40MIT no_vecA library for modifying sized arrays3,320MIT/Apache-2.0Data structures no_vpnA crate which enable to check if an ip is a VPN, a Proxy or a TOR connection3,323MIT noaA terminal-based text editor (WIP).3,516CC0-1.0 OR MITText editors