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.

lsp_msg_internalDefinitions used for testing lsp_msg_derive5,633MITData structures lsp_rsTokio Codec support for the Language Server Protocol.2,346MIT lspathVery basic ls tool for the PATH environment variable.4,915MIT/Apache-2.0 lspath-pagedA simple command-line app that lists the contents of the PATH environment variable, with optional paging2,769MITCommand line utilities lspcilspci command in Rust1,238Apache-2.0Command line utilities lspdockAn LSP proxy to run LSP inside Docker containers.24non-standard lspfA Rust framework for building extensible LSP language servers98MIT OR Apache-2.0 lsphLearned Spatial HashMap11,824MIT OR Apache-2.0Data structures lspiGiving AI the sight of LSP: bridge LSP capabilities to AI coding CLIs via an MCP server over stdio.94MIT OR Apache-2.0AsynchronousCommand line utilities lspi-coreCore utilities for lspi (config, snippet, text edits, hashing).353MIT OR Apache-2.0 lspi-lspLSP client adapters used by lspi.270MIT OR Apache-2.0 lspi-mcpMCP server implementation for lspi.181MIT OR Apache-2.0 lspkitGeneric Rust infrastructure for building LSP+MCP servers — façade crate exposing the EngineApi contract.303MITDevelopment tools lspkit-configLayered TOML configuration loader generic over the consumer's config struct.16MITDevelopment tools lspkit-liveFile-watcher, debouncer, and single-flight scheduler that drive an EngineApi session.268MITDevelopment tools lspkit-mcpMCP adapter that mounts an EngineApi implementation as tools, resources, and prompts.17MITDevelopment tools lspkit-serverHand-rolled JSON-RPC LSP server scaffolding: Content-Length framing, dispatcher, capability builder, URI helpers, diagnostics…267MITDevelopment tools lspkit-sidecarFramed-IPC primitives and lifecycle/health/respawn for out-of-process backends. Pure transport — no backend-specific code.17MITDevelopment tools lspkit-treesitterLanguageParser trait + content-hash-keyed parse cache. Bundles no grammars.18MITDevelopment tools lspkit-vfsConcurrent open-document store with version tracking, rope-based incremental edits, and position-encoding negotiation.280MITDevelopment tools lsplt-rsA Rust binding for LSPlt481LGPL-3.0-only lsplt-sysA Rust binding for LSPlt682LGPL-3.0-only lsplusA replacement for the 'ls' command written in Rust.7,063MITCommand line utilitiesFilesystem lspmuxshare one language server instance between multiple LSP clients to save resources1,103EUPL-1.2 lsportA TUI for managing local and remote ports via SSH443MITCommand line utilitiesDevelopment tools lspowerA lightweight framework for implementing LSP servers.644,833Apache-2.0 WITH LLVM-exceptionAsynchronous lspower-macrosInternal procedural macros for lspower628,897MIT OR Apache-2.0 lspressolanguage server test client12MITDevelopment toolsDevelopment tools::Testing lsprotocolRust types for Language Server Protocol generated from LSP specification.6,459MIT lspsA lesspass-like terminal password management tool1,600MIT OR Apache-2.0Command line utilities lsptLanguage Server Protocol (LSP) types made easy.3,957MIT lspzAI-friendly LSP compression proxy306MITDevelopment tools lsqlA command-line utility that queries files and directories using SQL-like syntax4,498MITCommand line utilitiesFilesystem lsrLS Implementation in Rust1,711MITCommand line utilities lsr-nfThe ls -R command with Nerd Fonts icons and indentation3,301MIT OR Apache-2.0Command line utilities lsrmodlsmod written in rust and outputs into std and json3,345MIT lss_driverDriver for Lynxmotion LSS servos24,344MIT OR Apache-2.0 lssdThe Lightning Storage Server Daemon601Apache-2.0 lssgLyr's Static Site Generator1,838MITWeb programming lssg-char-readerA simple streaming character reader useful for parsing450MITParser implementationsText processing lssg-libLyr's Static Site Generator Library2,061MITWeb programming lsst_efd_clientA rust version of the lsst_efd_client library.1,583MIT lstRust implementation of the POSIX ls command1,656MIT OR Apache-2.0Command line utilitiesFilesystem lstc-calendarCalendar classification system, which applies meaning to dates such as Christmas day or Weekday and Weekend, etc.4,225non-standard lstnconnSimple listener and connections abstraction built on protwrap.2,5540BSDAsynchronousNetwork programming lstngrpGroups listeners and connections with common data/logic.6,8690BSDAsynchronousNetwork programming lstrA blazingly fast, minimalist directory tree viewer, written in Rust.3,747MITCommand line utilitiesFilesystem lstreels and tree combined.5,875non-standardCommand line utilities lstringKey String: optimized for map keys651MIT OR Apache-2.0 lstsLarge Scale Type Systems144,496MIT lstsqReturn the least-squares solution to a linear matrix equation859,948MIT/Apache-2.0AlgorithmsMathematics lsttyA simple terminal tool to list serial ports1,962MITCommand line utilities lsuTerminal UI for systemd services and their journal99Apache-2.0Command line utilities lsusbCross-platform lsusb command.2,593MIT lsuserList system users in a clean, columnar layout using raw POSIX libc calls.172BSD-3-ClauseCommand line utilities lsvThree‑pane terminal file viewer (TUI) with preview and Lua configuration3,470MITCommand line utilitiesFilesystem lsvineList contents of directories in a vine-like format.5,973Apache-2.0 lswLSW: build, run, and inspect Windows applications from Linux (the inverse of WSL).61Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-configConfiguration types and filesystem layout for LSW.109Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-coreCore orchestration for LSW: environments, builds, runtime, packaging, analysis.76Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-pathLinux/Windows path translation for LSW.85Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-pePE (Windows executable) detection and inspection for LSW.89Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-runtimeWindows runtime (Wine) provider for LSW.87Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsw-toolchainCross toolchain providers (MinGW / clang-cl) for LSW.90Apache-2.0 OR MITCommand line utilitiesDevelopment tools lsxA pure, safe Rust implementation of the Twofish block cipher and the SHA-256 cryptographic hash function.8,983ZlibCryptographyNo standard library lsx86featureslsx86features is a command-line utility for listing the x86 extension sets used by a compiled binary, or by functions inside that…811non-standardCommand line utilities lsxdA easy way to display directories and their size5,969MIT lsynthA virtual soundchip which generates primitive waveforms in real-time.3,315non-standard lsysVisualize 2D L-Systems with SVGs.2,320MITCommand line utilitiesRendering lsys-lib-area行政区域数据,坐标对应城市数据1,594non-standardWeb programming lsys-lib-sms短信接口封装1,619non-standardWeb programming lsystemA Library for building L-Systems in rust25,531MIT lsystemsA simple library for working with Lindenmayer systems.5,848GPL-3.0 ltAn unofficial TUI client for Linear.app issues4,743MITCommand line utilities lt-fm-indexFM-index using k-mer lookup table for exact pattern matching33,703MITAlgorithmsScience lt-rsSafe Libtorrent bindings for rust442MITAPI bindingsNetwork programming lt7683LT7683 display driver62MIT lt_blockchainBlockchain written with educational purpose by Learn Together Community.1,712MIT lt_deltaA type Delta<T> representing a source, a target, or both.1,458MIT OR Apache-2.0 lta🚍 Singapore LTA Datamall Rust Client written in pure rust with support for asynchronous requests26,451MIT lta_async🚍Async requests for lta-rs4,279MIT lta_blocking🚍Blocking requests for lta-rs3,215MIT lta_models🚍Models for lta-rs15,607MIT lta_utils_commons🚍Utils for lta-rs5,830MIT ltcA crate for decoding Linear/Longitudinal Timecode data from audio samples, potentially in real time7,118BSD-3-Clause ltc-modulateModulate a binary file for uplaoding to a Chibitronics Love-to-Code sticker6,949MIT ltc-rsRust implementation of the Lifetime Clustering (LTC) algorithm.100MIT OR Apache-2.0AlgorithmsScience ltc2497Platform agnostic Rust driver for the Analog Devices LTC2497 ADC1,768MITEmbedded developmentHardware support ltc2949Client for the battery pack monitor chip LTC294914MIT OR Apache-2.0Embedded developmentHardware support ltc2983A create to provide an implementation of the communication with the `LTC2983` (Multi Sensor High Accuracy Digital Temperature…5,233EUPL-1.2 ltc681xClient LTC681X battery monitoring family14,486MIT OR Apache-2.0Embedded developmentHardware support ltc690xdriver crate for LTC690x serial programmable oscillator6,806MIT OR Apache-2.0Embedded developmentNo standard library ltc_demo_minigrepA simple file search program.1,305MIT OR Apache-2.0 ltfi-wsapLTFI-WSAP (Layered Transformer Framework Intelligence - Web System Alignment Protocol) Rust SDK335MITAPI bindingsWeb programming ltg_pushPush log files updates to Telegram6,824MIT lthash-rsLtHash - Homomorphic Hash Function2,894Apache-2.0Cryptography ltiRust library to support the development of LTI tools and applications.10,146MIT/Apache-2.0 ltk_animAnimation formats support for League Toolkit1,592MIT OR Apache-2.0 ltk_fantomeHelper library for working with League of Legends mods in the legacy Fantome format1,582MIT OR Apache-2.0Game development ltk_fileCore IO and file abstractions for League Toolkit3,065MIT OR Apache-2.0 ltk_hashHashes implementation used by League Toolkit2,423MIT OR Apache-2.0 ltk_io_extI/O extensions used by League Toolkit5,813MIT OR Apache-2.0 ltk_mapgeoMap Geometry (.mapgeo) parsing for League Toolkit186MIT OR Apache-2.0 ltk_meshMesh parsing and structures for League Toolkit1,704MIT OR Apache-2.0 ltk_metaMetadata formats and utilities for League Toolkit2,025MIT OR Apache-2.0 ltk_mod_coreCore shared logic for LeagueToolkit mod management581MIT OR Apache-2.0 ltk_mod_projectTypes and helpers for League Toolkit mod project definitions1,860MIT OR Apache-2.0Game development ltk_modpkgLeague Toolkit mod package (.modpkg) reader/writer and utilities1,639MIT OR Apache-2.0Game development ltk_overlayWAD overlay/profile builder for League of Legends mods945MIT OR Apache-2.0Game development ltk_pkiSupport code for verifying League Toolkit mod signatures308MIT OR Apache-2.0 ltk_primitivesPrimitive types and helpers for League Toolkit6,066MIT OR Apache-2.0 ltk_ritobinRitobin text format parser and writer for League Toolkit481MIT OR Apache-2.0 ltk_rstRST (Riot String Table) reading/writing for League Toolkit330MIT OR Apache-2.0 ltk_shaderShader loading and parsing for League Toolkit412MIT OR Apache-2.0 ltk_textureTexture decoding/encoding utilities for League Toolkit1,915MIT OR Apache-2.0 ltk_wadWAD archive reading/writing for League Toolkit3,400MIT OR Apache-2.0 ltl-argsargument parsing with zero depencencies1,977MIT OR Apache-2.0 ltmTerminal log viewer with whole-line filters, bookmarks, timeline scrub, and live tail63MIT OR Apache-2.0Command line utilities ltntA simple, efficient, and flexible arg parsing library.3,244MITCommand-line interface ltpLanguage Technology Platform For Rust.12,490non-standard ltpingA long-term ping monitor with a web-based dashboard.24MITCommand line utilitiesNetwork programming ltpp-outputAn atomic output library based on Rust that supports output functionalities through functions, builders, and other methods. It…16,880MIT ltptrChecked raw pointers.8,1700BSD ltr-329I2C-based driver for an LTR329 Ambient Light Sensor (ALS).57MIT OR Apache-2.0Embedded developmentHardware support ltr-559LITEON LTR-559 ligth and proximity sensor4,048MIT OR Apache-2.0Embedded developmentHardware support ltr303Platform agnostic Rust driver for the LTR-303 Ambient Light Sensor.6,617Apache-2.0Embedded developmentHardware support ltraceA rolling file writer for tracing and log crates with rotation, compression, and dynamic log level support72MIT OR Apache-2.0 ltraitYet Another Fuzzy Finder (Builder) for OS Wide, inspired from vim-fall and ddu.vim (and xmonad)16,952MIT ltrait-extraExtra components and helpers for LTrait1,397MIT ltrait-gen-calcCalculator in LTrait735MIT ltrait-scorer-nucleoA scorer(using ltrait-extra) for ltrait2,199MIT ltrait-sorter-frecencyFrecency algorithm for ltrait1,012MIT ltrait-source-desktopA source of FreeDesktopOrg's Desktop Entry for ltrait3,484MIT ltrait-source-taskA LTrait source for user defined command40MIT ltrait-ui-tuithe TUI for LTrait3,388MIT ltranslateA utility for automating locale file translation using DeepL.611MIT OR Apache-2.0 ltrendera diff based terminal rendering engine649MIT OR Apache-2.0 ltrsLearning to rank library for Rust.1,626MITData structures ltsYank other people's crates. Helpful for using old compilers and avoiding broken deps17,572Apache-2.0 OR MITDevelopment tools::Cargo plugins ltsvThis is a ltsv file parser written in Rust9,656MIT lttbAn implementation of the Largest Triangle Three Buckets algorithm47,453MIT lttng-ustSemi-automatically generate lttng-ust tracepoints (client code)4,244,415MITDevelopment tools::FFIDevelopment tools::Profiling lttng-ust-generateSemi-automatically generate lttng-ust tracepoints (generation code)5,785MITDevelopment tools::FFIDevelopment tools::Profiling lttng-ust-loggingLog to lttng-ust from the log create2,001MITDevelopment tools::DebuggingDevelopment tools::Profiling ltvLength Type Value - Reader / Writer37,597MIT ltv_deriveltv derive16,855MIT ltv_derive_implInternal crate for ltv_derive16,838MIT ltx25_orgMinimal Rust package for LTX 2.5 website metadata and docs.rs indexing.19MITMultimedia ltx_2_5Minimal Rust package for LTX 2.5 tool page metadata and docs.rs indexing.20MITMultimedia ltx_3Minimal Rust package for LTX 3 tool page metadata and docs.rs indexing.16MITMultimedia ltxcutformats a table-like stream into a LaTeX-table2,946non-standard ltxmkA LaTeX build system1,706MIT OR Apache-2.0 luA library for embedding Luau4,479MIT lu-deriveProcedural macros for the lu crate972MIT lu-sysFFI bindings to the Luau C API5,335MIT luaBindings to Lua 5.330,917MIT lua-assemblerParse and write Lua .luac bytecode777MPL-2.0 lua-astra🔥 Blazingly Fast 🔥 runtime environment for Lua13,414Apache-2.0Command-line interfaceCommand line utilities lua-bindThread-safe Lua binding system with automatic type registration and dependency injection648MIT OR Apache-2.0API bindingsDevelopment tools lua-bundlea lua file concatter1,231GPL-3.0-only lua-bytecodeA lua bytecode parser/encoder for lua5.1 and luau4,832GPL-3.0-only lua-cliThe lua-rs command-line interpreter: Lua 5.4 in safe Rust.533MIT lua-codeomniLua's bytecode emitter and opcode definitions — internal crate; depend on `omnilua`.1,755MIT lua-configA simple rust configuration tool using lua11,084MIT lua-coroomniLua's coroutine support — internal crate; depend on `omnilua`.723MIT lua-decompilea lua bytecode decompiler library454GPL-3.0-only lua-gcomniLua's garbage collector — internal crate; depend on `omnilua`.2,484MIT lua-jit-sysSystem bindings for LuaJIT 2.0.52,384MIT lua-kitToolkit for working with Lua bytecode3,166MIT lua-latest-sysUnsafe bindings to latest Lua's C API (5.4.4)4,245MITExternal FFI bindings lua-lexomniLua's Lua lexer — internal crate; depend on `omnilua`.1,775MIT lua-macroEmbed Lua code directly into your Rust, for some reason2,867MITCompilersDevelopment tools lua-macro-implProc macro used by lua-macro2,336MIT lua-macrosUseful macros to join Lua with Rust.3,853MIT/Apache-2.0 lua-parseomniLua's Lua parser — internal crate; depend on `omnilua`.1,656MIT lua-patternParser for Lua patterns and conversion to regular expressions20,258GPL-3.0-onlyParser implementations lua-patternsBinding to Lua String Patterns9,149MITAPI bindingsParsing tools lua-perfA perf tool for C and Lua hybrid code1,545non-standardCommand line utilitiesDevelopment tools::Profiling lua-pmLua Package Manager16MIT lua-protobuf-rslua protobuf7,299MIT OR Apache-2.0 lua-rsLua port written in Rust.18,539MIT lua-rs-deriveDerive macros for the omniLua embedding API (LuaUserData, lua_methods).809MIT lua-rs-hlua-shimDrop-in replacement for the `hlua` 0.4 embedding API, backed by the pure-Rust omniLua VM. Lets hlua-based consumers (authoscope,…740MIT lua-rs-lfsomniLua's LuaFileSystem (lfs) module — internal crate; depend on `omnilua`.1,139MIT lua-rs-runtimeEmbed Lua 5.4 in Rust: handles, userdata, and scoped borrows. Pure safe Rust, no C, runs in WebAssembly.506MIT lua-sharedReally simple wrapper around lua_shared(_srv) that tries not to be a total burden when interfacing with gmod's lua.1,774WTFPLExternal FFI bindingsGame development lua-sql-builderBuild sql statements programmatically and intuitively6,504MIT lua-srcSources of Lua 5.1-5.5 and logic to build them.3,993,270MIT lua-stdlibomniLua's Lua standard library — internal crate; depend on `omnilua`.1,681MIT lua-sysRaw Lua 5.3 bindings for Rust, used by Pollua3,874MIT OR Apache-2.0API bindingsDevelopment tools::FFI lua-typesomniLua's core Lua value and error types — internal crate; depend on `omnilua`.2,374MIT lua-vmomniLua's bytecode virtual machine and interpreter loop — internal crate; depend on `omnilua`.2,243MIT lua2hcb_compilerA compiler for Lua-like scripts to HCB24MPL-2.0 lua2jsonA Lua parser that outputs JSON1,563MIT OR Apache-2.0Command line utilitiesDevelopment tools lua51Lua 5.1.5 bindings for Rust.14,245MPL-2.0 lua51-sysBindings for Lua 5.1.51,995MIT lua52-sysBindings for Lua 5.2148,478MIT lua53-extExtension to jcmoyer's Lua 5.3 bindings3,874MIT lua53-sysRust bindings to Lua 5.34,132MIT lua54-rsLua 5.4.1 bindings for Rust.1,382MIT