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.

lau-conservation-engineRuntime conservation law verifier — continuously tracks energy flow and verifies γ + H = C − α·ln(V)19MIT lau-conservation-guardBudget enforcement layer for the LAU construct — tracks, verifies, and enforces conservation units19MIT lau-conservation-lawsConservation laws in discrete systems — Noether's theorem, finite-volume schemes, and CRDT conservation for agent fleets19MIT lau-construct-cliCLI toolkit for managing a PLATO construct — status, inspect, deploy, debug.19MIT lau-construct-integration-v2Integration tests verifying Wave 10-11 crates compose with Wave 8-9 crates20MIT lau-contact-agentsContact geometry for agents: contact manifolds, Reeb fields, contactomorphisms, Legendrian submanifolds, and thermodynamic agent…18MIT lau-control-theory-agentsClassical and modern control theory for agents — stability, controllability, observability, optimal control20MITMathematicsScience lau-derived-toposElementary topos theory + derived functors for agent knowledge systems19MIT OR Apache-2.0 lau-dg-algebraDifferential graded algebras for agents — the algebraic structure underlying cohomology17MITMathematicsScience lau-diffusion-agentsDiffusion processes on agent interaction manifolds19MIT lau-dynamical-algebraThe algebra of dynamical systems — operator algebras from evolution17MITMathematicsScience lau-electromagnetismClassical electromagnetism library: Maxwell's equations, electrostatics, magnetostatics, EM waves, Lorentz force, and agent field…20MIT lau-ensignTHE ensign system — small models that wake up on-call, orient from baton and room state, and keep rooms fine-tuned at yellow alert19MIT lau-ensign-sdkTHE ensign development SDK — how to define and deploy an ensign (room DJ).18MITDevelopment tools lau-evolutionary-computationEvolutionary computation library — genetic algorithms, differential evolution, NSGA-II, genetic programming, and fitness…17MIT lau-free-probabilityFree probability for agent populations — noncommutative CLT, R-transform, and random matrix limits20MIT lau-free-probability-agentsVoiculescu's free probability theory applied to agent systems — free convolution, semicircle law, Marchenko-Pastur law,…20MITMathematicsScience lau-game-theory-agentsGame theory for multi-agent strategic interaction — Nash equilibria, mechanism design, cooperative games, and evolutionary…19MIT lau-glueGluing 108 mathematical islands into a continent — type bridges, theorem bridges, and the topos structure the mathematics wants…17MIT lau-grand-unificationThe Grand Unification crate — all 14 executable theorems project from one spectral triple (A, H, D)19MITMathematicsScience lau-graph-theoryGraph theory library — structures, algorithms, and spectral methods for network analysis17MIT lau-gravity-fieldContinuous gravity field that flows through all rooms — a real-time tensor field19MIT lau-harmonic-analysisHarmonic analysis library: Fourier series, DFT/FFT, transforms, wavelets, and spectral estimation20MIT lau-hodge-theoryHodge theory for agent knowledge spaces — decomposition, harmonic forms, and spectral sequences21MIT lau-information-geometryInformation geometry: Fisher information, natural gradient, geodesics on statistical manifolds19MIT lau-information-geometry-agentsInformation geometry for agent belief spaces: Fisher metric, geodesics, natural gradient, and Amari's dual connections20MITMathematicsScience lau-information-theoryShannon information theory: entropy, mutual information, channel capacity, source coding, and agent communication analysis17MIT lau-inheritanceRust library for inheritance in the PLATO ecosystem19MIT lau-intentionThe Intention Runtime — PLATO's autograd for agent intentions21MIT lau-jepa-gravityJEPA gravity system — room-based gravity values that algorithmically adjust model parameters18MIT lau-kahler-agentsKähler geometry for agents — where Riemannian, symplectic, and complex geometry unify19MIT lau-kahler-geometryKähler geometry for agent state spaces — complex manifolds, curvature, and Lefschetz theory20MIT lau-kintsugi-runtimeThe kintsugi principle for agents — failures make artifacts MORE valuable, not less19MIT lau-leverage-singularitySingularity topology — the center of the spinning top does zero work, has infinite torque, and total dependency on the periphery…17MIT lau-lie-algebraLie algebra theory — structure constants, representations, exponential map, root systems, and Dynkin diagrams19MIT lau-matrix-analysisMatrix analysis: decompositions, perturbation theory, structured matrices, and matrix functions20MIT lau-measure-agentsMeasure theory for agents — rigorous foundation of integration and probability20MIT lau-memory-tilesMemory tiles for agent memory — observations, actions, thoughts, decisions, dreams20MIT lau-morse-theoryMorse theory for agent state spaces — critical points, gradient flows, and handlebody decomposition20MIT lau-network-scienceNetwork science library: models, centrality, community detection, epidemic spreading, and agent social network analysis17MIT lau-optimal-transport-agentsOptimal transport theory — Wasserstein distances, Sinkhorn algorithm, Monge-Kantorovich, earth mover's distance — for measuring…18MIT lau-penrose-growthGrow don't calculate — Penrose tilings, golden spirals, and shell growth as deterministic aperiodic structure without computation18MIT lau-plato-room-sdkThe room development SDK for creating PLATO rooms19MIT lau-plato-tutorThe PLATO tutoring language — meaning-matched response evaluation in a single embedding space19MIT lau-portLAU Port — a protocol-agnostic connection layer for agents19MIT lau-port-v2Async-native port system replacing blocking_lock() deadlock risk19MIT lau-probability-agentsProbability theory foundations for agents — rigorous measure-theoretic framework19MITMathematicsScience lau-probability-theoryProbability theory library — distributions, limit theorems, Bayesian inference, hypothesis testing, and MCMC20MIT lau-quantum-topologyTopological quantum computing for agent reasoning — anyons, braids, TQFT, and modular tensor categories21MIT lau-quipuInca quipu-inspired hierarchical tensor encoding19MIT lau-resolvent-leverageResolvent Leverage Theorem — ‖R(λ)‖=1/dist, zero work at the still point, infinite sensitivity, mutual constitution of center and…19MIT lau-ricci-flow-agentsRicci flow on agent similarity graphs — discrete Ollivier-Ricci curvature for agent population evolution20MIT lau-room-acousticsRoom acoustics for PLATO — reverb, resonance, standing waves19MIT lau-room-nativeRoom-native agent system — the room IS the agent's context38MIT lau-self-modelingSelf-modeling cybernetic manifold — the PLATO agent loop as categorical trace, curvature = compute cost20MIT lau-sheaf-cohomologyCellular sheaf cohomology: coboundary operators, sheaf Laplacians, and cohomology computation19MIT lau-sheaf-spectrumSpectral sheaf theory: sheaf Laplacians, Hodge decomposition, sheaf diffusion, connection Laplacians, sheaf neural networks,…19MITMathematicsScience lau-shell-kernelThe bare shell kernel — the hermes-construct in Rust form20MIT lau-shell-lifecycleShell lifecycle manager — from spawn to death, with self-assembling DNA pathways19MIT lau-shell-transportTransport layer for inter-shell communication — message passing via files, stdio, and memory40MIT lau-sia2-engineHigh-performance Rust engine for SIA² (Self-Improving AI with Spectral Architecture)21MIT lau-signal-processingDigital signal processing — filters, transforms, spectral analysis, and adaptive filtering for agent telemetry streams20MIT lau-singular-spdeSingular stochastic PDE formulation of agent learning dynamics with Hairer's regularity structures and renormalization19MITMathematicsScience lau-spectral-graph-agentSpectral graph theory for agent networks — Laplacians, eigenvectors, spectral clustering, and graph signal processing18MIT OR Apache-2.0 lau-stochastic-geometryStochastic geometry for agent uncertainty — Poisson processes, random tessellations, and spatial statistics19MIT lau-supergeometrySupergeometry: Z₂-graded algebras, supercommutators, Berezinian, supermanifolds, and agent state spaces with fermionic/bosonic…19MIT lau-symplectic-topologySymplectic topology: capacities, Lagrangian submanifolds, moment maps, Floer homology, and symplectic reduction19MIT lau-tick-runtimeThe runtime tick engine — heartbeat of the construct19MIT OR Apache-2.0 lau-tropical-geometryResearch-grade tropical geometry: semirings, polynomials, curves, Newton polytopes, intersections18MIT lau-vibe-fieldCUDA/cuDNN of PLATO — the vibe field as a first-class compute primitive20MIT laufeyA web embedded framework: build cross-platform apps with web technologies and your choice of browser engine.24,440MIT laugitLogging library target for std and no_std environments to make log auditing easy and low cost.957MIT launchSecure and robust APIs driven by business concepts1,711Apache-2.0 launch-barContext-aware command launcher with icon buttons75MITCommand line utilitiesDevelopment tools launch-editor-nvimSmart Neovim launcher for yyx990803/launch-editor69UnlicenseCommand line utilitiesDevelopment tools launch-padAsync process manager/supervisor for *nix systems59MPL-2.0 launch-servicesAn incomplete wrapper for Launch Services of Core Services framework (macOS).5,227non-standard launch-workerLaunch Wasm code in web workers1,556MIT/Apache-2.0 launchAPPbyJACKAn experiment project to learn Rust. It opens apps.1,555MIT launchbayDeployment tool from another timeline. Quantum git transfer in progress.26MITCommand line utilitiesDevelopment tools launchctlA simple library for managing system services on MacOS10,512MIT launchdRust library for creating and parsing launchd files7,053MIT launchdarklyRust interface for launch darkly1,900MITAPI bindingsWeb programming::HTTP client launchdarkly-sdk-transportGeneric transport trait and optional implementations for use across LaunchDarkly Rust libraries158,685Apache-2.0 launchdarkly-server-sdkLaunchDarkly Server-Side SDK5,115,524Apache-2.0 launchdarkly-server-sdk-evaluationLaunchDarkly feature flag evaluation engine7,145,026Apache-2.0 launchdarkly-server-sdk-redisLaunchDarkly Server-Side SDK - Redis Integration1,717Apache-2.0 launchdeckKeyboard-first macOS TUI for launchd jobs and Homebrew services34MIT OR Apache-2.0Command line utilities launcherA CLI task/command launcher1,554non-standardCommand line utilities launcher-pluginFlow Launcher 插件rust开发库1,056MIT launchifyEasy launch agents for macOS5,622MIT launchkey-sdkA type-safe Rust SDK for Novation Launchkey MIDI controllers. Enables full control over pads, encoders, faders, displays, and DAW…3,188non-standardAPI bindingsDevelopment tools launchmeA simple software launcher for linux. Inspired by rofi and dmenu.2,806MIT launchoUltra-simplified k8s replacement in 2k lines of Rust1,541CC0-1.0 launchpadRust libraries for the Novation Launchpad, using PortMidi bindings4,387MIT launchpadlibRust library for accessing Launchpad.net44,927Apache-2.0API bindingsAsynchronous launchthingMinimalist application launcher for linux2,710GPL-3.0 launchwhitelyOwn your feature flags — a self-hostable LaunchDarkly alternative17MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP server launchwhitely-coreCore evaluation engine for LaunchWhitely — pure, no IO, SDK-reusable37MIT OR Apache-2.0 launchyLow-level bindings and high-level abstractions for the Novation Launchpad MIDI devices6,456MITAPI bindingsGames launderScrub identifying paths, secrets, and contacts from logs and stack traces, keeping everything a reader needs to help.67MITCommand line utilities laundry5Shuffles your socks - rotating proxy frontend server1,639GPL-3.0Command line utilities laura-mcpcall-laura stdio MCP server — review_plan tool over Laura Serna Gaviria's Human-AI Co-Evolution framework plus RFI-IRFOS's own…13LicenseRef-BSL-1.1Science laura_coreA fast and efficient move generator for chess engines.3,007GPL-3.0Games lauras-apilauras-core Fly-hosted HTTP + MCP surface — /review (free), /team (Laura's 15-agent team, key-gated), /mcp (JSON-RPC over HTTP).…15LicenseRef-BSL-1.1 lauras-coreStructured document review grounded in Laura Serna Gaviria's Human-AI Co-Evolution framework (UIP, 8-Layer Model) plus…26LGPL-3.0-or-laterScience lauras-mcplauras-core stdio MCP server — review_plan (free) + review_team (Laura's 15-agent team) over Laura Serna Gaviria's Human-AI…16LicenseRef-BSL-1.1Science lauras-teamLaura's proprietary agent team — orchestrator + 15 deterministic expert agents (OSINT, security, legal/compliance, finance, ops,…24LicenseRef-BSL-1.1 laurelTransform Linux Audit logs for SIEM usage34,860GPL-3.0-or-laterEncoding laurent_io_readerCrate that parses IO-reads3,350MIT laurierratatui helper library14,484MIT laurusUnified search library for lexical, vector, and semantic retrieval473MITText processing laurus-cliCommand-line interface for the Laurus search engine188MITCommand line utilities laurus-mcpMCP (Model Context Protocol) server for the Laurus search engine256MITText processing laurus-servergRPC server for the Laurus search engine349MITText processing lauturgieA fast Rust reimplementation of the Lexurgy sound change applier19GPL-3.0-or-laterCommand line utilitiesScience lavLane-Associated Vector (LAV): Portable SIMD vector trait as GAT of SIMD lane trait.28,396MPL-2.0Game developmentGraphics lav-seedFast deterministic numeric ID generator using permutation techniques with collision-free guarantees.55MITAlgorithmsData structures lavaRust wrapper to manipulate Vulkan more conveniently than with bindings.21,670MIT lava-apiHelper crate to work with the LAVA REST APIs6,862MIT OR Apache-2.0 lava-api-mockMock crate for the LAVA REST APIs4,539MIT OR Apache-2.0 lava-gitlab-runnerGitlab runner bridge to lava64MIT OR Apache-2.0 lava-httpA lightweight web framework for Rust. https://github.com/Ballexx/Lava2,619MIT lava-rsA Lavalink v4 client library for Rust27MITAPI bindingsMultimedia::Audio lava_torrentA library for parsing/encoding bencode and .torrent files.78,765MIT OR Apache-2.0EncodingParsing tools lavagnaThe uncluttered blackboard9,778MIT/Apache-2.0 lavagna_coreThe uncluttered blackboard1,529MIT/Apache-2.0 lavalink-rsLavalink API wrapper for discord audio playing53,850MPL-2.0Multimedia lavalink_rs_macrosHook macro extracted from the `command_attr` crate9,550ISC lavanLavan is a parser library3,885GPL-3.0 lavashPlaceholder crate for LavaSH.476MIT lavendeIn-process Discord voice connection and playback engine397GPL-3.0 lavende-coreCore in-process Discord voice connection and playback engine514GPL-3.0 lavendeux-parserExtensible parsing engine for expression evaluation18,373MIT OR Apache-2.0Command line utilitiesDevelopment tools lavinhashHigh-performance fuzzy hashing library implementing the DLAH (Dual-Layer Adaptive Hashing) algorithm50MITAlgorithmsCryptography lavishRPC runtime for Lavish6,144MITEncodingNetwork programming lavish-compilerCompiler for the Lavish IDL10,437MITCommand line utilitiesEncoding lavoisierLavoisier — a token-efficient CLI coding agent (Anthropic + xAI + Google Gemini), with prompt caching, a tree-sitter context…259MITCommand line utilitiesDevelopment tools law-encoderA library for encoding 16bit PCM to a-law and mu-law.5,995MITEncodingMultimedia::Audio law4devsOfficial Rust SDK for the Law4Devs API — structured access to 19 EU regulatory frameworks.56MITAPI bindingsWeb programming::HTTP client lawglawg is a Rust library designed to log and create log files with ease.1,661MIT OR Apache-2.0 lawkitStatistical law analysis CLI toolkit with international number support8,953MITAlgorithmsCommand line utilities lawkit-coreCore library for statistical law analysis with international number support8,833MITAlgorithmsMathematics lawlietA tiny CLI-tool that plays sound following exit status1,652MIT OR Apache-2.0Command line utilities lawnutility to interact with trusted remote development systems6,399MIT lawn-9p9P file system functionality for Lawn7,065MIT lawn-constantserror and logging types, traits, and codes for Lawn9,084MIT lawn-fsGeneric file system functionality for Lawn4,218MIT lawn-protocolprotocol types, traits, and codes for Lawn7,042MIT lawn-sftpSFTP file system functionality for Lawn3,280MIT lawnchair-protosRust gRPC/Protobuf SDK for Lawn Chair.359Apache-2.0API bindingsNetwork programming lawrenciumLr1033,020Zlib OR Apache-2.0 OR MITExternal FFI bindingsOperating systems::Windows APIs lawsLocal AWS - a lightweight AWS service emulator92MIT laxLAPACK wrapper without ndarray1,901,318MIT OR Apache-2.0AlgorithmsScience lax-coreShared printing machinery for the lax formatter family (lax-css, lax-sql, lax-markup).44,825MIT lax-cssLax CSS, SCSS, and Less formatter that never reinterprets your code. Usable as a library or a dprint plugin.44,372MIT lax-markupLax HTML, XML, SVG, and component (Vue, Svelte, Astro) formatter that never reinterprets your markup. Usable as a library or a…44,140MIT lax-sqlLax SQL formatter that never reinterprets your code. Dialect agnostic by construction. Usable as a library or a dprint plugin.44,705MIT laxciA simple, CI tool for building and testing projects locally.832MITDevelopment tools laxcowClone-on-write smart pointer with relaxed trait constraints5,096MIT OR Apache-2.0No standard libraryRust patterns laxumMake working with Axum a little smoother.729MIT layTraits for quantum computing4,563Apache-2.0 lay-mitouoscOSC communication library and binary for MITOU project4,102Apache-2.0 lay-simulator-blueqatBlueqat backend for lay2,387Apache-2.0 lay-simulator-gkGottesman-Knill simulator for lay3,105Apache-2.0 lay-steaneSteane code for lay4,888Apache-2.0 layawayLayout creation for Sway via a relative and human-readable DSL.6,731MIT OR Apache-2.0Command line utilitiesConfiguration laydownAlways know what you're going to say at Daily Standup.25,283MITCommand line utilities layeA framework-agnostic role and permission based access control library99MITAuthenticationWeb programming layerErgonomic Telegram MTProto library: auto-generated TL types, raw API access, session management289MIT OR Apache-2.0API bindingsNetwork programming layer-cakecrate name reservation for layer-cake1,345GPL-3.0-or-later layer-clientProduction-grade async Telegram client: updates, bots, flood-wait, dialogs, messages285MIT OR Apache-2.0API bindingsAsynchronous layer-climbClimb - A Rust Cosmos Client Library15,360Apache-2.0 layer-climb-addressAddress sub-crate for Climb17,161Apache-2.0 layer-climb-cliCli helpers for Climb12,492Apache-2.0 layer-climb-configConfig sub-crate for Climb17,067Apache-2.0 layer-climb-coreCore sub-crate for Climb15,649Apache-2.0 layer-climb-protoProtobuf sub-crate for Climb16,713Apache-2.0 layer-climb-signerSigner sub-crate for Climb5,927Apache-2.0 layer-conformDetect style deviations within an architectural layer of TS/JS/Rust projects.56MITCommand line utilitiesDevelopment tools layer-conform-coreCore engine for layer-conform: AST IR, APTED/TSED similarity, rule evaluation.195MITDevelopment toolsParser implementations layer-conform-ioConfiguration parsing and file walking for layer-conform.92MITDevelopment toolsParser implementations layer-conform-rsRust adapter for layer-conform (syn-based).94MITDevelopment toolsParser implementations layer-conform-tsTypeScript/JavaScript adapter for layer-conform (oxc-based).94MITDevelopment toolsParser implementations layer-cryptoCryptographic primitives for Telegram MTProto: AES-IGE, RSA, SHA-1/256, auth key derivation585MIT OR Apache-2.0API bindingsCryptography layer-mtprotoMTProto 2.0 session management, message framing, DH key exchange and transport abstractions511MIT OR Apache-2.0API bindingsNetwork programming layer-proc-geneasy to use chunk based procedural generation library with top-down planning1,704MIT OR Apache-2.0 layer-rsEffect-TS like type level DI container in Rust, with O(log n) get and insert46MIT layer-shellAbstraction crate for floating gtk windows across platofrms. (WIP)563MIT layer-shikaA layer shell library for Wayland with Slint UI integration1,797AGPL-3.0-or-laterGUI layer-shika-adaptersAdapters layer for layer-shika (internal implementation crate)635AGPL-3.0-or-laterGUI layer-shika-compositionComposition layer for layer-shika (internal implementation crate)617AGPL-3.0-or-laterGUI layer-shika-domainDomain layer for layer-shika (internal implementation crate)820AGPL-3.0-or-laterGUI layer-systemA system for handling different kinds of events11,426MIT OR Apache-2.0 layer-tl-genBuild-time code generator: Telegram TL schema → Rust source694MIT OR Apache-2.0Development toolsDevelopment tools::Build Utils layer-tl-parserParser for Telegram's Type Language (.tl) schema files782MIT OR Apache-2.0Development toolsParser implementations layer-tl-typesAuto-generated Telegram TL types: constructors, functions, enums (Layer 224)604MIT OR Apache-2.0API bindingsEncoding layer0Protocol traits for composable agentic AI systems2,739MIT OR Apache-2.0AsynchronousRust patterns layer4-proxySimple and fast layer 4 proxy in Rust8,616Apache-2.0Web programming layeredBuild composable async services with layered middleware.2,225MITData structures