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.

lrpclocal rpc402,649MIT lrpc-macroslrpc's proc macros401,155MIT lrpegLeft recursive PEG parser generator7,386MITParsing tools lrpmLite-xl's rusty plugin manager.1,431MIT lrppA Rust library for network packet parsing.3,472MITNetwork programmingParser implementations lrsLibrary for resolving (conjunctive) normal-form logical clauses3,923MIT/X11 lrslib-rsIdiomatic Rust bindings around lrslib.362AGPL-3.0-only lrslib-sysRaw FFI bindings to lrslib.462GPL-2.0-or-later lrsmdlsmod written in rust and outputs into std and json1,029MIT lrtableLR grammar table generation1,502,209Apache-2.0/MITParsing tools lrtcCompression-based low-resource text classification as introduced in Jiang et al (2023)6,738MITAlgorithmsScience lruA LRU cache implementation289,363,370MITCachingNo standard library lru-cacheA cache that holds a limited number of key-value pairs85,676,637MIT/Apache-2.0 lru-cache-adaptorThin wrapper around disklru for filesystem integration.627MIT lru-cache-macrosA procedural macro for automatically caching the output of functions.11,015MITCaching lru-cache-mapA cache that holds a limited number of key-value pairs.78,535MIT OR Apache-2.0AlgorithmsCaching lru-cache-rslru cache849MIT lru-disk-cacheA LRU cache for files on disk.162,855Apache-2.0 lru-memAn LRU cache implementation bounded by memory.254,257MIT OR Apache-2.0Data structures lru-slabPre-allocated storage with constant-time LRU tracking159,482,252MIT OR Apache-2.0 OR ZlibData structuresNo standard library lru-stA package providing a Vec based doubly linked list implementation and related data structures11,558non-standard lru-tokensLRU cache where eviction is weighted by token count, not entry count. Bound a prompt cache by tokens (or any other size unit)…18MIT OR Apache-2.0CachingData structures lru2A two-level LRU with O(n) search for entries.3,064 lru_mapLRU cache map1,662MIT lru_time_cacheImplementation of a Least Recently Used caching algorithm in a container which may be limited by size or time, ordered by most…6,010,682MIT OR BSD-3-Clause lrumapA safe Least Recently Used (LRU) cache implementation with ordered and unordered support.96,495MIT OR Apache-2.0CachingData structures lrusttest1,639MIT lrust_cacheA high-performance LRU cache implementation in Rust887MITCachingConcurrency lrvLocal code review tool for unified diffs290MIT OR Apache-2.0 lrwnLibrary for encoding / decoding LoRaWAN frames.11,470MIT lrwn_filtersLibrary for filtering LoRaWAN payloads on DevAddr and JoinEUIs prefixes15,156MIT lrxedA tui application for synchronising lyrics2,176EUPL-1.2Multimedia::Audio lrzccRust client library for the LRZ-specific features of the Openstack-based LRZ Compute Cloud.9,025MITAPI bindings lrzcc-apiRust API server for the LRZ-specific features of the Openstack-based LRZ Compute Cloud.7,278MITWeb programming lrzcc-cliRust CLI client for the LRZ-specific features of the Openstack-based LRZ Compute Cloud.10,005MITAPI bindingsCommand line utilities lrzcc-libJust claiming the name for future use1,262MIT lrzcc-testJust claiming the name for future use997MIT lrzcc-wireRust types for API communication of the LRZ-specific features of the Openstack-based LRZ Compute Cloud.8,465MITWeb programming lrzsz2ZMODEM file transfer utilities200GPL-3.0-or-later lsabc102MIT ls-clientreservation for the `ls-client` crate1,612MIT OR Apache-2.0 ls-enhanceda better looking ls command8,287MIT ls-interactiveInteractive ls command1,550MITCommand line utilities ls-optiona tiny and simple option tools for ls-like functionality7,523MIT ls-plusEnhanced ls command with modern features - supports both cargo and npm installation466MITCommand line utilities ls-previewShow a preview of the directory contents.1,003MIT ls-qpackQPACK Field Compression for HTTP/3 (RFC 9204)30,120MIT OR Apache-2.0 ls-qpack-rsQPACK Field Compression for HTTP/3 (RFC 9204)24,332MIT OR Apache-2.0 ls-qpack-rs-sysQPACK (RFC 9204) Rust binding to C library ls-qpack24,966MIT OR Apache-2.0 ls-qpack-sysQPACK (RFC 9204) Rust binding to C library ls-qpack31,178MIT OR Apache-2.0 ls-tinyls-tiny is a less functional ls command10,931MIT ls-treeA lightweight, dependency-free clone of the Unix `tree` command, written in Rust.27MITCommand line utilitiesFilesystem ls-typesTypes for the Language Server Protocol specification858,042MITNetwork programming ls010b7dh01A platform agnostic driver for the LS010B7DH01 memory LCD display2,298MIT OR Apache-2.0Embedded developmentHardware support ls013b7dh03LS013B7DH03 Sharp LCD driver for embedded-hal8,780MIT OR Apache-2.0Embedded developmentNo standard library ls32-hid-libA small library to interface with LS32 based LCD name badges4,254MIT ls7366Rust interface to the LS7366 quadrature encoder buffer.4,383Apache-2.0Embedded developmentNo standard library ls_cloneA clone of ls that I wrote in a weekend2,664MIT ls_netA CLI tool for displaying local network interfaces, IP addresses and routes.1,448MIT ls_rulesA Little Snitch .lsrules file format model9,731MIT OR Apache-2.0EncodingNo standard library ls_solverA simple tool and library for linear system solution1,836non-standard lsaA simple file listing tool1,987MIT OR Apache-2.0 lsampSample stdin at a fixed rate6,444MIT lsapSolving linear sum assignment problem using JV algorithm as in Scipy35,025MIT lsb32Compact, sortable UTC timestamp identifiers for distributed applications38LGPL-3.0-or-later lsb_png_steganographyLeast significant bit portable network graphic steganography3,873MITCommand-line interfaceEncoding lsb_releaseLinux lsb_release wrapper5,674MIT lsb_text_png_steganographyA steganography strategy that uses the least significant bits of a png to hide text6,860MITCommand-line interfaceEncoding lsblkList out block-devices, including disks and partitions18,526MITFilesystem lscolorsColorize paths using the LS_COLORS environment variable6,239,848MIT/Apache-2.0Command-line interface lscolorsvisVisualize $LS_COLROS1,548Apache-2.0 lscoltuiA TUI tool for changing the colours of ls2,842MIT lscpuImplementation of lscpu in rust5,864GPL-3.0 lscribeCLI tool for download lyrics for you're local library28MITCommand line utilities lsdAn ls command with a lot of pretty colors and some other stuff.195,280Apache-2.0Command line utilities lsdataLSD (Less Syntax Data) configuration/data transfer format.2,012MIT OR Apache-2.0 lsdcatRainbows and unicorns in Rust!1,545GPL-3.0Command-line interfaceCommand line utilities lsdiff-rsRust lsdiff implementation6,477MIT lsdjLibrary for interfacing with LSDJ files and memory3,169MIT OR Apache-2.0Encoding lsdj-toolsA set of tools for working with LSDJ files3,015MIT OR Apache-2.0Command line utilities lsdpLenbrook Service Discovery Protocol in Rust4,169WTFPLParsing tools lsdserverLightweight dependency-free HTTP server Library in Rust738MIT lsecLaravel Security Audit CLI - scans Laravel applications for security issues, insecure patterns, and risky configuration43MIT lseqLSEQ sequences1,974MIT lserA cli tool to list serial port writen in rust1,747MIT lsetData types describing linear sets403,633Apache-2.0Development toolsRust patterns lsfA beautiful ls replacement with Nerd Font icons, git status, and colors38MITCommand line utilities lsfpCross-platform alternative to ls, specifically designed for programmers7,657non-standardCommand line utilities lsgitlsgit recursivly lists git projects below start directory. Start directly is CWD by default, but an alternate directory can be…4,162MIT lsh..15MIT OR Apache-2.0 lsh-rsLSH: Approximate Nearest Neighbor Search with Locality Sensitive Hashing.10,039MIT lsh-rs2LSH: Approximate Nearest Neighbor Search with Locality Sensitive Hashing.3,718MIT lshdedup-corePure-Rust core for lshdedup: MinHash + LSH near-duplicate detection.38MIT OR Apache-2.0AlgorithmsScience lsifTypes for Language Server Index Format (LSIF)1,937Apache-2.0/MIT lsif-rustLanguage Server Index Format (LSIF) indexer for Rust1,251MIT lsif-typesTypes representing Language Server Index Format (LSIF) elements.12,955MIT lsigThis crate provides functionalities for generating private and public key pairs and signing messages using those keys.5,300MIT lsimgA tool for finding and filtering images within a given directory811MITCommand line utilitiesMultimedia::Images lsiolsio is the library for lsio command line utility and s3lsio. The library applies a simple abstraction on a number of good…47,840Apache-2.0 lsiotemplateHandlebars template CLI that allows for passing in values to replace place holders in file. It can also do more complex…5,866Apache-2.0 lsiplist all IPs that are pingable2,747non-standardCommand line utilities lskImagine ls, but you can 'key' into the file or dir instead of just starring at it.4,956MIT lslLab streaming layer (liblsl) bindings for rust.5,501MITAPI bindingsNetwork programming lsl-coreLab Streaming Layer — pure Rust core library76GPL-3.0-only lsl-recLab Streaming Layer recorder with TUI — records LSL streams to XDF files23GPL-3.0-only lsl-sysLow-level bindings to the system liblsl library (lab streaming layer).6,004MITExternal FFI bindings lsmAn implementation of log-structured merge trees in pure Rust4,144MIT lsm-dbLog-structured merge-tree storage engine for Rust. Memtable, leveled SSTables, background compaction, and bloom-filtered point…150Apache-2.0 OR MITData structuresDatabase implementations lsm-io-uringYanked2,882MIT OR Apache-2.0 lsm-treeA K.I.S.S. implementation of log-structured merge trees (LSM-trees/LSMTs)1,282,133MIT OR Apache-2.0AlgorithmsData structures lsm-tree-io-uringA lsm-tree key-value store for async-tokio and io_uring-I/O on Linux1,705MIT OR Apache-2.0AlgorithmsAPI bindings lsm303Interface to the LSM303 digital accelerometer and magnetometer2,016MIT/Apache-2.0 lsm303agrPlatform-agnostic Rust driver for the LSM303AGR ultra-compact high-performance eCompass module: ultra-low-power 3D accelerometer…75,459MIT OR Apache-2.0Embedded developmentHardware support lsm303cA platform agnostic driver to interface with the LSM303C (accelerometer + compass)11,136MIT OR Apache-2.0Embedded developmentHardware support lsm303dlhcA platform agnostic driver to interface with the LSM303DLHC (accelerometer + compass)56,199MIT OR Apache-2.0Embedded developmentHardware support lsm303dlhc-ngA platform agnostic driver to interface with the LSM303DLHC (accelerometer + compass)6,222MIT OR Apache-2.0Embedded developmentHardware support lsm303dlhc-registersA typed map of the STMicroelectronics LSM303DLHC E-Compass registers7,595EUPL-1.2 OR MIT OR Apache-2.0Embedded developmentHardware support lsm6ds33A platform agnostic driver for the LSM6DS33 6-DoF Accel + Gyro IMU8,441non-standardEmbedded developmentHardware support lsm6ds33-rsPlatform agnostic driver for LSM6DS33, 3D accelerometer and 3D gyroscope1,688MIT OR Apache-2.0 lsm6ds3trLSM6DS3TR 6-axis (DOF) IMU accelerometer & gyroscope rust driver library6,850MIT lsm6dsoA platform-agnostic driver for the LSM6DSO 6-DoF Accel + Gyro IMU5,052MITEmbedded developmentHardware support lsm6dso-spiLSM6DSO Accelerometer/IMU683MIT lsm6dso16is-rsPlatform-agnostic driver for the LSM6DSO16IS 6-axis IMU with integrated ISPU for edge AI, sensor hub support, programmable…414BSD-3-ClauseEmbedded developmentNo standard library lsm6dsoxPlatform-agnostic embedded-hal driver for the ST LSM6DSOX iNEMO inertial module5,435OLFL-1.3Embedded developmentNo standard library lsm6dsrRust i2c interface for the LSM6DSR accelerometer and gyroscope from STMicroelectronics2,761MIT OR Apache-2.0 lsm6dsv16x-rsPlatform-agnostic driver for the LSM6DSV16X high-performance 6-axis IMU with triple-channel architecture, FSM, MLC, adaptive…852BSD-3-ClauseEmbedded developmentNo standard library lsm6dsv320x-rsDriver for the LSM6DSV320X IMU, featuring a low-g (±16g) and high-g (±320g) accelerometer, gyroscope, and integrated FSM/MLC…443BSD-3-ClauseEmbedded developmentNo standard library lsm6dsv80x-rsDriver for the LSM6DSV80X IMU, featuring a low-g (±16g) and high-g (±80g) accelerometer, gyroscope, and integrated FSM/MLC…413BSD-3-ClauseEmbedded developmentNo standard library lsm9ds0Platform-agnostic async driver for the LSM9DS0 IMU57MIT lsm9ds1A platform agnostic driver to interface with LSM9DS1 3D accelerometer, 3D gyroscope, 3D magnetometer sensor module.2,389MITEmbedded developmentHardware support lsm_engineA rust implementation of a key-value store using LSM trees8,347MIT OR Apache-2.0AlgorithmsDatabase interfaces lsm_storage_engineA high-performance, zero-dependency LSM-Tree storage engine in pure Rust.28MITData structuresDatabase implementations lsm_tree_storage_engineLSM Tree based Storage Engine1,210MIT OR Apache-2.0Command line utilities lsmdblsmdb is an efficient storage engine that implements the Log-Structured Merge Tree (LSM-Tree) data structure, designed…6,319MIT OR Apache-2.0Data structuresDatabase implementations lsmdsoA platform-agnostic driver for the LSM6DSO 6-DoF Accel + Gyro IMU1,192MITEmbedded developmentHardware support lsmkdRecursively find markdown files and list them along with table of contents index52MIT lsmlite-rsHelsing's Rust bindings for sqlite3's lsm1 extension in stand-alone fashion.5,818Apache-2.0Database interfaces lsmtklsmtk provides a log-structured-merge-graph12,483Apache-2.0 lsmtreeImplements a Sparse Merkle tree for a key-value store. The tree implements the same optimisations specified in the libra…19,906MIT/Apache-2.0CryptographyData structures lsnA command line tool for compactly listing numbered items in a given directory1,663MPL-2.0 lsnoteA modern ls replacement with file notes, emoji icons, and git integration179MITCommand line utilitiesFilesystem lsnsList all Linux namespaces5,391MIT/Apache-2.0 lsodeSolve systems of differntial equations using LSODE subroutine from ODEPACK written in Fortran.18,053MITMathematicsScience lsofrsModern, high-performance lsof implementation in Rust1,089MITCommand line utilitiesOperating systems lsonarLua 5.3 pattern engine, fully compatible with the original Lua 5.3 engine3,568MIT lsorAn opinionated kind-of-ORM-but-not-really that allows you to write SQL statements using Rust1,515MIT lsor-corelsor-core1,862MIT lsor-proc-macroProc macros for lsor1,857MIT lspLanguage Server Protocol248MIT OR Apache-2.0API bindingsDevelopment tools lsp-aiLSP-AI is an open-source language server that serves as a backend for AI-powered functionality, designed to assist and empower…16,371MIT lsp-async-stubAn LSP server stub for futures1,168,810MIT lsp-benchBenchmark framework for Language Server Protocol (LSP) servers324MITCommand line utilitiesDevelopment tools lsp-bridgeA comprehensive Rust library that provides a bridge between Language Server Protocol (LSP) servers and clients1,347MIT OR Apache-2.0AsynchronousDevelopment tools lsp-cliCommand-line tool for talking to Language Server Protocol (LSP) servers from the terminal.82Apache-2.0Command line utilitiesDevelopment tools lsp-clientA client for the Language Server Protocol1,833MIT lsp-client-rsA Rust client to talk to LSP servers.1,601MITDevelopment tools lsp-codecSimple Tokio-compatible codec implementation for Language Server Protocol.828,700MIT lsp-corePure logic library for axon-lsp: document store, diagnostics, hover, completion, and definition resolution. Adopter-agnostic; no…182MITDevelopment tools lsp-docsStatic structured documentation for the Axon language, embedded at compile time. Consumed by axon-lsp's hover and completion…269MITDevelopment tools lsp-documentHelpers to convert between LSP documents and Rust strings17,317MIT lsp-iosimple wrapper for LSP message read/write4,190non-standard lsp-llmOpt-in LLM advisor for axon-lsp, gated behind the `llm` Cargo feature. Never on the critical path: deterministic capabilities…179MITDevelopment tools lsp-maxLaw-state LSP runtime: max LSP 3.18 coverage, process-mining conformance, receipt-chain admission3,393MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-agentAgent integration and analysis bundles for lsp-max3,322MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-astAST layer for lsp-max via tree-sitter3,430MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-ast-codegenCodegen crate for auto_lsp and AST modeling in lsp-max38MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-ast-coreCore crate for auto_lsp and AST modeling in lsp-max3,333MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-baseBase protocol codec for lsp-max3,351MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-cliActuation grammar CLI for lsp-max: noun/verb surface built on clap-noun-verb54MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-clientLanguage Server Protocol Client framework based on tower2,789MIT OR Apache-2.0 lsp-max-compositorMulti-server fan-out and merge layer for lsp-max52MIT OR Apache-2.0 lsp-max-lsifLSIF export and conformance for lsp-max3,438MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-macrosInternal procedural macros for lsp-max3,436MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-protocolMaximal capability vector, diagnostics, and protocol types for lsp-max3,457MIT OR Apache-2.0AsynchronousDevelopment tools lsp-max-runtimeRuntime snapshotting and state tracking for lsp-max3,325MIT OR Apache-2.0AsynchronousDevelopment tools lsp-mcpMCP server providing unified access to Language Server Protocol features120MITCommand line utilitiesDevelopment tools lsp-o7Language Server Protocol implementation for O7 .7 workflow files19CC0-1.0 OR UnlicenseCommand line utilitiesDevelopment tools lsp-positionsLSP-compatible character positions349,039MIT OR Apache-2.0 lsp-primitivesPrimitives to implement an Lightning Service Provider and clients1,617MIT lsp-proxyA Language Server Protocol (LSP) proxy server implemented in Rust.867MIT lsp-serverGeneric LSP server scaffold.13,200,476MIT OR Apache-2.0 lsp-server-tokioAn async-first LSP server infrastructure crate using Tokio7,842MIT OR Apache-2.0AsynchronousDevelopment tools lsp-serversProvides a list of relevant language servers for a given directory.3,125MIT OR Apache-2.0Development tools lsp-servers-cliClI that provides a list of relevant language servers for a given directory.755MIT OR Apache-2.0Development tools lsp-textCommon functionality for text handling for LSP servers.33,337Apache-2.0 WITH LLVM-exception lsp-text-documenttextDocument manager rust implementation3,020MIT lsp-textdocumentA LSP text documents manager that map of text document.603,293MIT lsp-to-scipGeneric LSP → SCIP bridge: spawn any LSP server and generate index.scip159Apache-2.0Development tools lsp-tytype definitons for LSP4,831non-standard lsp-typesTypes for interaction with a language server, using VSCode's Language Server Protocol29,677,265MIT lsp-types-fTypes for interaction with a language server, using VSCode's Language Server Protocol9,305MIT lsp-types-maxTypes for interaction with a language server, using VSCode's Language Server Protocol3,531MIT lsp-ws-proxyWebSocketify any Language Server8,515MITCommand line utilities lsp4splLanguage Server for SPL4,557MIT lsp85lsp85 is a standalone LSP implementation for Intel 8085 assembly.38MIT lsp_docEmbed markdown/text files into Rust documentation attributes for LSP hover/preview5,030MIT lsp_doc_stableEmbed markdown/text files into Rust documentation attributes for LSP hover/preview3,682non-standard lsp_jsonDefines a LSP implementation in Rust, including serialization with serde_json.4,068MIT OR Apache-2.0 lsp_msgLanguage Server Protocol Messages1,949MIT lsp_msg_deriveProc macros for lsp_msg7,428MITData structures