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.

plato-room-contextContext window manager — token budgets, eviction policies, priority stacking, sliding window19MIT plato-room-enginePLATO cognitive architecture component19MIT plato-room-navRoom navigation engine — pathfinding, room graph traversal, shortest routes, discovery19MIT plato-room-persistAppend-only storage engine for PLATO rooms — mmap reads, WAL writes, snapshot/restore19MIT plato-room-schedulerSchedule room training based on temperature, priority, and resource availability18MIT plato-room-searchFull-text search engine for PLATO rooms — inverted index, BM25 ranking, fuzzy matching18MIT plato-runtime-kernelPLATO spatial spreadsheet runtime — room-as-cell tensor bridge, plain-English assertion traps, delta compression, three-way merge14MITData structuresEncoding plato-semantic-simSemantic similarity engine — cosine, Euclidean, Jaccard, batch comparison, clustering18MIT plato-sentiment-vocabSentiment-driven vocabulary — map fleet 6D sentiment to domain vocab terms for room context injection18MIT plato-ship-protocolShip Interconnection Protocol — 6-layer trait definitions for the Plato network stack18MIT plato-sim-bridgeFleet simulator → PLATO tile bridge — simulation patterns become training tiles21MIT plato-sim-channelChannelLayer adapter for plato-sim-bridge — simulation ↔ live channel bridging21MIT plato-temporal-validityPLATO cognitive architecture component18MIT plato-ternary-bridgeBridges Plato room sensor values to ternary {-1, 0, +1} states for alarm evaluation, consensus voting, and compression16MIT plato-thresholdAdaptive threshold calculation for PLATO deadband filters17Apache-2.0 plato-tile-apiTile processing API — stateful process, search, and stats with zero external dependencies18MIT plato-tile-batchBulk tile processing — validate, filter, dedup, and partition in batch operations18MIT plato-tile-cacheLRU cache with TTL eviction — hit rate tracking, top hits, bulk expiration19MIT plato-tile-cascadeDependency cascade engine - propagate tile updates downstream18MIT plato-tile-currentCurrentLayer adapter — tile export, import, and fleet transport19MIT plato-tile-dedup4-stage tile similarity detection — exact, keyword, embedding, structure20MIT plato-tile-encoderTile serialization — JSON, 384-byte binary, and base64 codecs18MIT plato-tile-fountainAuto-generate tiles from documents — definitions, headings, FAQs, code comments18MIT plato-tile-graphTile dependency DAG - impact analysis, cycle detection, topological sort21MIT plato-tile-importTile import/export from Markdown, JSON, CSV, and plaintext sources18MIT plato-tile-metricsFleet tile analytics — domain distribution, confidence histogram, growth rate18MIT plato-tile-pipelineOne-call tile processing facade — validate, score, store, search, rank in a single step20MIT plato-tile-priorityDeadband P0/P1/P2 queue — urgency scoring and drain-by-level18MIT plato-tile-promptTile-to-prompt assembly — 4 format styles, budget management, deadband gap injection18MIT plato-tile-queryAdvanced tile query builder — filters, search, sort, pagination18MIT plato-tile-rankerMulti-signal ranking — keyword gating, deadband priority boost, top-N selection18MIT plato-tile-room-bridgeBridge between tile storage and room engine — tiles flow into rooms, rooms emit tiles18MIT plato-tile-scorerMulti-signal tile scoring with controversy signal and counterpoint survival19MIT plato-tile-searchNearest-neighbor tile search with keyword overlap, domain matching, and composite ranking32MIT plato-tile-splitText chunking engine — token-aware splitting, overlap, code-aware, semantic boundary detection19MIT plato-tile-storeImmutable tile storage with version history, dependency cascade, rollback19MIT plato-tile-validateTile quality validation pipeline — confidence, freshness, completeness, consistency18MIT plato-tile-versionGit-for-knowledge tile versioning - commit, branch, merge, rollback20MIT plato-timingTensor MIDI timing for PLATO room agent coordination18Apache-2.0 plato-training-casinoTraining casino — multi-armed bandit, adaptive sampling, exploration-exploitation strategies18MIT plato-trust-beaconBeaconLayer adapter — trust event emission, observation, and consensus18MIT plato-unified-beliefUnified belief system — confidence, trust, and tile weight as three dimensions of one underlying score68MIT plato-vision-jepaVision JEPA for PLATO nervous system — room perception from camera frames19Apache-2.0 plato_query_parserPLATO cognitive architecture component18MIT platonicA CAD kernel1,362MIT platonic-coreCore Rust harness primitives for disciplined, replayable agent execution.126MIT OR Apache-2.0 platoonAn experimental mini async runtime.2,986MIT platterProvide a uniform async interface for file loading between desktop and browser37,218MIT OR Apache-2.0 OR ZlibFilesystem platter-walkDirectory tree traversal optimized for HDDs8,712MPL-2.0Filesystem platter2Load files on web and desktop asynchronously56,705MIT OR Apache-2.0 OR ZlibFilesystem platypusPostgreSQL database GUI explorer.48GPL-3.0-or-laterDatabase interfacesVisualization platypus-mcpLocal-first MCP server for deterministic Platypus project orchestration111MITCommand line utilitiesDevelopment tools platz-chart-extPlatz Helm chart extensions23,798Apache-2.0 platz-sdkPlatz.io SDK24,421Apache-2.0 plaudit-cliCommand-line tool to export your Plaud recordings and transcripts76MIT plaudit-coreOAuth + REST client for the Plaud developer API82MIT plausible-cliCommand-line interface for Plausible Analytics with rate-limit aware queueing and multi-account support217MITCommand line utilitiesWeb programming::HTTP client plausible-rsA Rust library for the Plausible Analytics API.10,649MITAPI bindingsWeb programming playThe package provides a means of playing audio files.33,140Apache-2.0/MITMultimedia::Audio play-2048Rust implementation of the famous 2048 game in the terminal3,283MIT OR Apache-2.0Command line utilitiesGames play-billingGoogle Play Billing Plugin for Crossbow5,999MIT OR Apache-2.0 play-coreGoogle Play Core Plugin for Crossbow4,194MIT OR Apache-2.0 play-dateReserved crate for Playdate-related things.1,482MIT play-date-buildReserved crate for Playdate-related things.1,504MIT play-date-build-supportReserved crate for Playdate-related things.1,499MIT play-date-stdReserved crate for Playdate-related things.1,497MIT play-date-sysReserved crate for Playdate-related things.1,487MIT play-filesA library for parsing Polyend Play projects into Rust structs1,528MIT play-games-servicesGoogle Play Games Services Plugin for Crossbow6,335MIT OR Apache-2.0 play-polarisAn interactive terminal-based application for exploring and learning about constellations.729MITGames play-rsaImplementation of RSA cryptography in Rust for pedagogical use3,022MIT play96Programmable libretro harness for *96 fantasy-console cores166MITDevelopment tools::TestingGame development play_headThis is a small library that implements the time counter functionality of a music player. Once we have created the play_head we…2,268MIT OR Apache-2.0 playaImage sequence player (EXR, PNG, JPEG, TIFF, .MP4). Pure Rust with optional OpenEXR/FFmpeg support.549MITGraphicsMultimedia::Images playa-ffmpegSafe FFmpeg wrapper with vcpkg integration for simplified cross-platform builds (FFmpeg 8.0, Rust 2024)582WTFPLMultimedia playbacka simple workflow manager35MIT playback-dslthe playback file parser56MIT playback-libthe core utilities for playback65MIT playback-loggerthe no-dependency alternative to `log` and `env_logger`56MIT playback-rsA very simple audio/song loading and playing library.23,788ISCMultimediaMultimedia::Audio playback-tomlthe custom toml parser for playback33MIT playbandPlayband game engine20MIT playbillASCII art title generator with random gradient effects616MIT OR Apache-2.0 playbookYAML driven Docker DevOps29,724Apache-2.0 OR MIT playbooksStable Rust facade for the Playbooks SDK.20Apache-2.0Development tools playbooks-adapter-sdkTyped harness adapter SDK for compiled Playbooks packages.25Apache-2.0Development tools playbooks-catalogDeterministic Playbooks discovery and resolution catalog.25Apache-2.0Development tools playbooks-cliCommand-line interface for Playbooks.18Apache-2.0Development tools playbooks-compilerDeterministic package planning and compilation for Playbooks.27Apache-2.0Development tools playbooks-exportImmutable presentation and export projections for Playbooks.25Apache-2.0Development tools playbooks-import-mermaidCreate-only ambiguity-preserving Mermaid import for Playbooks.25Apache-2.0Development tools playbooks-mcpManifest-derived local stdio MCP server for Playbooks.20Apache-2.0Development tools playbooks-modelCanonical owned data types for Playbooks.39Apache-2.0Development tools playbooks-operation-apiLow-level operation descriptors, envelopes, and traits for Playbooks.27Apache-2.0Development tools playbooks-operationsHigh-level operation handler registry for Playbooks.24Apache-2.0Development tools playbooks-parserPure parsers for supported Playbooks source profiles.27Apache-2.0Development tools playbooks-runnerDurable workflow runner for Playbooks.25Apache-2.0Development tools playbooks-schemaSchema projections for canonical Playbooks types.31Apache-2.0Development tools playbooks-sdkOwned serializable Rust SDK facade for Playbooks.23Apache-2.0Development tools playbooks-sourceFilesystem snapshots and transactional source I/O for Playbooks.30Apache-2.0Development tools playbooks-storeDurable event, evidence, and run storage for Playbooks.27Apache-2.0Development tools playbooks-validatorLayered validation for canonical Playbooks inputs.27Apache-2.0Development tools playcaster🎥 Turn any playlist into a Podcast feed5,013MIT OR Apache-2.0 playdReserved crate for Playdate-related things.1,548MIT playd-buildReserved crate for Playdate-related things.1,491MIT playd-build-supportReserved crate for Playdate-related things.1,513MIT playd-stdReserved crate for Playdate-related things.1,500MIT playd-sysReserved crate for Playdate-related things.1,494MIT playdateHigh-level Playdate API30,854MIT OR Apache-2.0API bindingsGame development playdate-allocatorGlobal allocator and allocator-api implementation for Playdate1,445MIT OR Apache-2.0API bindingsExternal FFI bindings playdate-bindgenPreconfigured Bindgen with extra codegen for Playdate C-API.30,060MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI playdate-bindgen-cfgMinimal configuration for playdate-bindgen.25,925MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI playdate-buildUtils that help to build package for Playdate26,215MIT OR Apache-2.0Development tools::Build Utils playdate-build-supportReserved crate for Playdate-related things.1,489MIT playdate-build-utilsUtils that help to build program with Rust and Playdate API31,001MIT OR Apache-2.0Development tools::Build Utils playdate-callbackCallback-related utils for Playdate API.600MIT OR Apache-2.0Game developmentNo standard library playdate-cargoReserved crate.16MIT playdate-cliThe CLI tools for playdate-rs16,212MIT OR Apache-2.0API bindingsCommand line utilities playdate-colorColor extension for Playdate API23,083MIT OR Apache-2.0API bindingsGame development playdate-controlsHigh-level controls API built on-top of Playdate API24,409MIT OR Apache-2.0API bindingsGame development playdate-coreReserved crate.1,499MIT playdate-deviceCross-platform interface Playdate device, async & blocking.16,716MIT OR Apache-2.0Hardware support playdate-displayHigh-level Display API built on-top of Playdate API22,990MIT OR Apache-2.0API bindingsGame development playdate-fsHigh-level file-system API built on-top of Playdate API26,087MIT OR Apache-2.0API bindingsFilesystem playdate-graphicsHigh-level graphics API built on-top of Playdate API39,060MIT OR Apache-2.0API bindingsGame development playdate-jsonReserved crate.1,525MIT playdate-luaHigh-level Lua API built on-top of Playdate API9,029MIT OR Apache-2.0API bindingsGame development playdate-menuHigh-level system menu API built on-top of Playdate API21,701MIT OR Apache-2.0API bindingsGame development playdate-rsSafe Rust bindings for the Playdate SDK C-CPI18,673MIT OR Apache-2.0API bindingsEmbedded development playdate-rs-macrosHelpful macros for playdate-rs18,605MIT OR Apache-2.0API bindingsDevelopment tools::Procedural macro helpers playdate-rs-sysRaw unsafe Rust bindings for the Playdate SDK C-API16,110MIT OR Apache-2.0API bindingsEmbedded development playdate-scoreboardsHigh-level Scoreboards API built on-top of Playdate API11,158MIT OR Apache-2.0API bindingsGame development playdate-simulator-utilsCross-platform utils to deal with Playdate Simulator.10,970MIT OR Apache-2.0Development tools playdate-soundHigh-level sound API built on-top of Playdate API29,689MIT OR Apache-2.0API bindingsGame development playdate-spriteHigh-level sprite API built on-top of Playdate API28,009MIT OR Apache-2.0API bindingsGame development playdate-stdReserved crate for Playdate-related things.1,463MIT playdate-symbolizeTools for symbolise addresses from bin (pdex.elf) and Playdate's trace or crashlog.7,241MIT OR Apache-2.0Command line utilitiesDevelopment tools playdate-sysLow-level Playdate API bindings86,765MIT OR Apache-2.0Development tools::FFIExternal FFI bindings playdate-sys-2Low-level bindings to the Playdate API1,036MIT OR GPL-3.0 playdate-sys-mockRuntime mock for testing playdate-sys and dependent crates. Contains own bindings until it fully covers & implements the full…759MIT OR Apache-2.0Development tools::TestingExternal FFI bindings playdate-systemHigh-level System API built on-top of Playdate API30,328MIT OR Apache-2.0API bindingsGame development playdate-toolTool for interaction with Playdate device and sim.22,401MIT OR Apache-2.0Development toolsHardware support playdate-uiReserved crate.1,540MIT playdate-ui-crank-indicatorCrank Indicator UI component.9,752MIT OR Apache-2.0 playerA player basic component library2,949MIT OR Apache-2.0 player-scopeA Ratatui demo shell for an audio player, focused on command flow and terminal UI layout.17MITCommand line utilities player-subtitlesA subtitle library focused on player-compatible subtitle files.19MIT OR Apache-2.0 player-wasmWebAssembly playback/decoding orchestration helpers for Bitneedle player apps.16Apache-2.0 player_moverA Minecraft tool to edit player data and change their position.1,228MITCommand line utilities playerctlA simple library to run playerctl commands from rust.1,991MITAPI bindingsMultimedia playerctl-rust-wrapperA Rust implementation of a playerctl wrapper1,347MIT playerctl-sysUnsafe bindings to libplayerctl13,830LGPL-3.0-or-laterExternal FFI bindings playerctldA simple DBus interface for Playerctld33,346MIT playerone-sdkPlayerOne SDK bindings3,397MIT playerone-sdk-sysPlayerOne SDK bindings3,038MIT playfairA Playfair Cipher implementation in Rust3,892MIT playfair-rsPlayfair cipher implemented in Rust1,562MIT OR Apache-2.0Cryptography playfair_cipherImplementation of Playfair, Two square and Four square cipher14,104AGPL-3.0-or-laterCryptography playfair_cipher_rsA simple implementation of the Playfair cipher in Rust.1,551MIT playful_readingPlayful Reading of Roman Texts in Latin - ASCII art sketches from ancient HTML8MIT OR Apache-2.0 playground-apiSimple API-binding for The Rust Playground8,998MITAPI bindingsAsynchronous playhardRust-native browser automation facade built from the Playhard workspace.148MITDevelopment toolsWeb programming playhard-automationHigh-level Rust browser automation for the Playhard workspace.191MITDevelopment toolsWeb programming playhard-cdpTyped Chrome DevTools Protocol helpers for the Playhard Rust browser automation stack.232MITDevelopment toolsWeb programming playhard-launcherChrome launcher and profile management for the Playhard Rust browser automation stack.235MITDevelopment toolsWeb programming playhard-transportTransport primitives for the Playhard Rust browser automation stack.235MITDevelopment toolsWeb programming playheadA small and simple counter utility6,973MIT OR Apache-2.0 playhoundA typed, async-first Google Play metadata scraper with a companion CLI16EUPL-1.2API bindingsCommand line utilities playht_rsA library for interacting with play.ht API5,054Apache-2.0Web programming::HTTP client playin-cards♠ Library for French-suited playing cards4,314MIT playing-cardsA Rust library for playing cards and poker hand evaluation9,618MIT OR Apache-2.0GamesSimulation playitA mpv-based audio runner with features like playlist and more.2,164MITCommand line utilities playit-agent-coreContains the logic to create a playit.gg agent5,326BSD-2-Clause playit-agent-protoContains the protocol messages for a playit.gg agent7,633BSD-2-Clause playit-api-clientContains the logic to create a playit.gg agent2,949BSD-2-Clause playit-ggUnofficial Rust wrapper for https://playit.gg10,971MIT playlist-decodera simple playlist decoder which supports: m3u, pls, asx and xspf23,476MITParsing tools playlist-durationComputes the total music time of a playlist.13,618WTFPLCommand-line interfaceCommand line utilities playlistrA CLI for listing files in a directory with certain file extensions.2,782MITCommand line utilities playlistrsConvert iTunes Playlists to m3u1,613MITCommand line utilities playlistsM3u8 playlist and ring buffers1,531MIT playoutDSL for creating Vulkan pipeline layout and descriptor set layout.1,700MIT OR Apache-2.0 playout_macroDSL for creating Vulkan pipeline layout and descriptor set layout.1,381MIT OR Apache-2.0 playpenLibrary for interfacing with the Rust playpen API.2,277MIT playqueensgame-site-kitSmall URL helpers for Queens Game, a free online colorful logic puzzle game.19MITWeb programming playreadyImplementation of PlayReady DRM system based on pyplayready3,256MIT OR Apache-2.0 OR CC-BY-4.0Multimedia playready-cliImplementation of PlayReady DRM system based on pyplayready (CLI)1,298MIT OR Apache-2.0 OR CC-BY-4.0Multimedia playready-ffiImplementation of PlayReady DRM system based on pyplayready (C bindings)2,249MIT OR Apache-2.0 OR CC-BY-4.0Multimedia playready-macrosImplementation of PlayReady DRM system based on pyplayready (helper macros)3,480MIT OR Apache-2.0 OR CC-BY-4.0Multimedia playrsCall the interface of rust playground to compile and run the rust code.4,037MITCommand line utilities playrsaimplementation of RSA cryptography in Rust for pedagogical use1,291MIT playstationPlayStation™1,364non-standard playstation2A Rust Peripheral Access Crate (PAC) for the PlayStation 2.4,820MIT OR Apache-2.0 playtPlayt is a game library for the terminal1,609MITGame development playtermA terminal music player for Subsonic-compatible servers34MITCommand line utilitiesMultimedia::Audio playterm-playerAudio playback engine for playterm83MITMultimedia::Audio playterm-subsonicSubsonic API client for playterm82MITAPI bindingsMultimedia::Audio playthisGet sound out of anything!1,471Unlicense playtron-corePlaytron GameOS core utilities for Rust628MIT playtron-sdkPlaytron GameOS SDK for Rust431MIT