All 305,250 crates, alphabetically

lemon-tree-deriveHelper crate for lemon-tree. Rust-way parser builder.10,638MITParsing tools lemon-widgetsUI widget library for the Lemon toolkit254MITGUI lemon_bugsnag_rsA library for interacting with the BugSnag error-reporting and sessions APIs.572Apache-2.0 lemon_engineA game engine based off of Glium7,858MIT lemonadefunctional programming2,976MIT lemonaidAn HTTP client for the Citra Space API, generated from the OpenAPI spec at build time.478MIT OR Apache-2.0 lemonlangan experimental, modern, purely safe, programming language.1,440Apache-2.0 lemonmathA math library6,543GPL-3.0 lemonsqueezyUnofficial Rust client for the LemonSqueezy API4,438Apache-2.0 lemonwoodLinguistics system permitting communication, bidirectional translation, etc for my Hornvale project.2,203Unlicense lemuM-LOG runner30,909MIT lemurExperimental x86 emulator (WIP)1,775MIT lemurs-8080An emulator for the Intel 8080 microprocessor9,587UPL-1.0 lenCommand to print length of stdin in a human-friendly format4,990BSD-2-Clause len-caching-lockAtomically cached len(), for use with collections contained in parking_lot Mutex and RwLock2,530GPL-3.0 len-traitLen trait for collectons.200,941CC0-1.0Data structuresNo standard library len9https://github.com/parafoxia/len8 rewrite in rust2,362BSD-3-Clause len_constraintsTraits and types to implement type-pinned length constraints in your API4,703BSD-2-Clause OR MITRust patterns len_mtimelen_mtime10,685MulanPSL-2.0 lencodeA crate for encoding and decoding variable-length data using the Lencode varint encoding scheme and deduplication21,513MIT lencode-macrossupport macros for lencode21,718MIT lendTemporarily share local TCP and UDP services over encrypted peer-to-peer tunnels without port-forwarding20MIT OR Apache-2.0Command line utilitiesNetwork programming lendable_mutexErgonomic wrapper over a ReentrantMutex<RefCell<T>>; a mutex you can "lend out"6,668MIT lenderA lending-iterator trait based on higher-rank trait bounds, with full std::iter::Iterator functionality145,102Apache-2.0 OR LGPL-2.1-or-later OR MITNo standard libraryRust patterns lender-deriveProcedural macros for lender104,542Apache-2.0 OR LGPL-2.1-or-later OR MIT lending-cellLike a cell, but make lifetimes dynamic instead of ownership117,452BSD-2-Clause lending-iteratorFully general lending iterators in stable rust: windows_mut!4,252,726Zlib OR MIT OR Apache-2.0 lending-iterator-proc_macrosInternal: proc-macro backend of ::lending_iterator.4,250,757Zlib OR MIT OR Apache-2.0 lending-libraryA key-value store that loans full ownership of items.9,454Apache-2.0Data structures lending-state-rsTypestate FSM for lending and BNPL lifecycles, guaranteeing valid state transitions at compile time.20AGPL-3.0-only lending-streamA lending version of Stream20,168MIT OR Apache-2.0 lending_iterLending iterator15Apache-2.0 OR BSL-1.0 OR MITNo standard libraryRust patterns lending_thread_poolA thread pool where workers can lend their data to their tasks.2,753MITConcurrency lendpoolA simple lock-free library for allowing safe and concurrent access to a group of objects898MITAsynchronousConcurrency lends-sdkNon-custodial Rust SDK for LENDS lending, leUSD, and sleUSD.10MITAPI bindingsCryptography::Cryptocurrencies lenerdv_rust_utilsPersonal library of utilities. Built incrementally, as I need features, so it does have giant holes in functionality. Feel free…1,9710BSD lenex-rsParse and generate lenex documents.6,253MIT lengaTools for the Lenga develop paradigm113MIT lenga_field_inspect_deriveProc-macro derives for generating LanguageObject attributes objects for the Lenga package324MIT lenght_aware_paginatorAdd functionality to diesel query builder to return lenght aware paginated response1,262MIT lengthA library to handle length/distances easyly. It can parse a string with several units (m, km, mi, ft, ...) into the Length-struct…7,398CC0-1.0 length-delimitedProtobuf like length-delimited encoding/decoding1,650MIT OR Apache-2.0Network programmingNo standard library length-prefixed-streamdecode a byte stream of varint length-encoded messages into a stream of chunks1,689BSD-3-Clause length_aware_paginatorAdd functionality to diesel query builder to return length aware paginated response37,131MIT lengualengua21non-standard lenia_caA library for simulating the Lenia system of cellular automata.3,313MIT lenientSerde-compatible wrapper for fault-tolerant (lenient) deserialization1,634MITConfigurationParsing tools lenient_boolA bool parser that is more accepting of various string bool representations.113,038MIT/Apache-2.0 lenient_deriveA procedural macro to derive fault-tolerant Serde deserialization using #[lenient] and #[optional] annotations.1,609MITParsing tools lenient_semverLenient Semantic Version numbers.3,446,554MIT OR Apache-2.0Development toolsParser implementations lenient_semver_parserLenient parser for Semantic Version numbers.3,450,086MIT OR Apache-2.0Parser implementations lenient_semver_version_builderVersionBuilder trait for lenient parser for Semantic Version numbers.3,416,418MIT OR Apache-2.0Parser implementations lenient_versionVersion struct for Lenient parser for Semantic Version numbers.187,685MIT OR Apache-2.0Development tools lenixmodular crate91MIT lenmodtest publish1,165non-standard lenna_cliCommand line interface to run algorithms on images.12,628MITGraphicsMultimedia::Images lenna_coreLenna is a library for image processing algorithms and apps.16,034MITGraphicsMultimedia::Images lenovo-cmA CLI to control Lenovo laptop's conservation mode (Linux only).1,497MIT lenra-appApp Lib for Rust Lenra apps6,787MIT lenra_cliThe Lenra command line interface53,375MITCommand line utilities lensUnified Lens query language998MIT lens-cliAgent-first CLI for natural-language image-library search: caption once with Cerebras vision, then search the whole index in one…37Apache-2.0Command line utilitiesMultimedia::Images lens-clientLens Protocol API client1,592MIT lens-coreHigh-performance code search engine with LSP integration and benchmarking363MIT lens-rslens implemented in rust22,827MIT/Apache-2.0Rust patterns lens-rs_derivemacro to derive lens for data type25,326MIT/Apache-2.0Rust patterns lens-rs_generatorgenerating optics for source files8,070MIT/Apache-2.0Rust patterns lens_sdkAn SDK for writing bi-directional, wasm based, LensVM transformations in Rust65,274non-standard lenseHigh performance by-ref, transmute backed reader.5,442MIT lensesAn optics library loosely inspired by Julien Truffaut's Monocle2,084Apache-2.0 lensfunPure-Rust port of LensFun: camera lens correction (distortion, TCA, vignetting) without C dependencies241LGPL-3.0-or-laterGraphicsMultimedia lensightA command-line tool for embedding camera metadata and shooting details into photos.1,602MIT lensoPublic facade for authoring and hosting Lenso backend modules.430MITDevelopment toolsWeb programming lenso-apiHTTP API host crate for the Lenso backend framework.295MITDevelopment toolsWeb programming lenso-autonomous-serviceHost-independent runtime for Lenso Autonomous Services.18MIT lenso-bootstrapComposition root for first-party Lenso host modules.426MITDevelopment toolsWeb programming lenso-cliLenso command-line interface for scaffolding and operating Lenso backend projects.573MITCommand line utilitiesDevelopment tools lenso-contractsShared declaration contracts for the Lenso backend framework.1,061MITDevelopment toolsWeb programming lenso-migrateMigration runner for the Lenso host runtime.251MITDevelopment toolsWeb programming lenso-module-audit-logFirst-party audit log module for the Lenso backend framework.46MITDevelopment toolsWeb programming lenso-module-authFirst-party auth anchor module for the Lenso backend framework.680MITDevelopment toolsWeb programming lenso-module-auth-anonymousFirst-party anonymous auth provider module for the Lenso backend framework.208MITDevelopment toolsWeb programming lenso-module-auth-deviceFirst-party auth device policy module for the Lenso backend framework.35MITDevelopment toolsWeb programming lenso-module-auth-githubFirst-party GitHub OAuth provider module for the Lenso backend framework.208MITDevelopment toolsWeb programming lenso-module-auth-googleFirst-party Google OAuth provider module for the Lenso backend framework.208MITDevelopment toolsWeb programming lenso-module-auth-oauthFirst-party OAuth client substrate module for the Lenso backend framework.236MITDevelopment toolsWeb programming lenso-module-auth-oidcFirst-party OIDC provider module for the Lenso backend framework.314MITDevelopment toolsWeb programming lenso-module-auth-passwordFirst-party password auth module for the Lenso backend framework.571MITDevelopment toolsWeb programming lenso-module-auth-phoneFirst-party phone auth provider module for the Lenso backend framework.230MITDevelopment toolsWeb programming lenso-module-organizationFirst-party organization access module for the Lenso backend framework.34MITDevelopment toolsWeb programming lenso-module-storyFirst-party runtime story module for the Lenso backend framework.349MITDevelopment toolsWeb programming lenso-platform-adminRuntime Console observability backend for the Lenso host.216MITDevelopment toolsWeb programming lenso-platform-admin-dataSchema-admin data backend for the Lenso host.425MITDevelopment toolsWeb programming lenso-platform-coreCore runtime primitives for the Lenso backend framework.859MITDevelopment toolsWeb programming lenso-platform-httpHTTP primitives for the Lenso backend framework.805MITDevelopment toolsWeb programming lenso-platform-moduleModule behavior seams for the Lenso backend framework.803MITDevelopment toolsWeb programming lenso-platform-module-remoteRemote module host support for the Lenso backend framework.333MITDevelopment toolsWeb programming lenso-platform-runtimeRuntime function primitives for the Lenso backend framework.747MITDevelopment toolsWeb programming lenso-platform-testingTest support utilities for the Lenso backend framework.386MITDevelopment tools::TestingWeb programming lenso-servicePublic contracts for Lenso Providers and Autonomous Services.250MITDevelopment toolsWeb programming lenso-workerBackground worker for the Lenso host runtime.262MITDevelopment toolsWeb programming lentoCross platform ui framework1,575MIT lento-buildlento build helper887MIT lento-libquickjs-sysQuickJS Javascript Engine FFI bindings960MITExternal FFI bindings lento-macrosLento macros1,115MIT lento-quick-jsQuickJS Javascript engine wrapper1,147MIT lento-skia-bindingsSkia Bindings for Rust1,310MITExternal FFI bindingsGraphics lento-skia-safeSafe Skia Bindings for Rust1,189MITAPI bindingsGraphics lento-winitCross-platform window creation library.1,150Apache-2.0GUI lento-yogaRust bindings for Facebook's Yoga, a Flexbox layout engine1,243MIT lentraitA trait for implementing len(), hopefully replacing the unmaintained len_trait crate.9,267MIT OR Apache-2.0 lenv-rsManage symlinks from a root file to multiple destinations2,534MITCommand line utilitiesConfiguration lenvironmentLinux Environment Manager76MIT lenz-decoderA no-std Rust crate for decoding Lenz (pre-DCC) protocol31MITEmbedded developmentHardware support leoleo2,026MIT leo-abiABI generation for Leo programs1,186GPL-3.0CompilersCryptography leo-abi-typesABI type definitions for Leo programs1,364GPL-3.0CompilersCryptography leo-aleo-abi-wasmWASM bindings for ABI generation from Aleo bytecode70GPL-3.0CompilersCryptography leo-asgASG of the Leo programming language15,285GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-asg-passesThe Leo programming language8,862GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-astAbstract syntax tree (AST) for the Leo programming language66,015GPL-3.0CompilersCryptography leo-compilerCompiler for Leo programming language56,918GPL-3.0CompilersCryptography leo-coreCore library functions for the Leo programming language11,720GPL-3.0CompilersCryptography leo-disassemblerA disassembler for the Leo programming language12,672GPL-3.0CompilersCryptography leo-errorsErrors for the Leo programming language43,276GPL-3.0CompilersCryptography leo-fmtSource code formatter for the Leo programming language554GPL-3.0Command line utilitiesDevelopment tools leo-gadgetsGadgets of the Leo programming language15,811GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-grammarAST generated by pest from the Leo grammar rules11,433GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-importsImport parser for Leo program package dependencies18,764GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-inputInput parser of the Leo programming language28,004GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-interpreterInterpreter for the Leo programming language6,603GPL-3.0CompilersCryptography leo-langThe Leo programming language55,831GPL-3.0CompilersCryptography leo-linerLinter of the Leo programming language2,460GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-linterLinter of the Leo programming language22,885GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-lspLanguage Server Protocol implementation for Leo184GPL-3.0Development toolsText editors leo-packagePackage parser for the Leo programming language59,327GPL-3.0CompilersCryptography leo-parserTranslating from the lossless syntax tree to the AST for the Leo language language43,841GPL-3.0CompilersCryptography leo-parser-losslessLossless syntax tree parser for the Leo programming language1,199GPL-3.0CompilersCryptography leo-parser-rowanRowan-based lossless parser for Leo1,270GPL-3.0 leo-passesCompiler passes for the Leo programming language33,702GPL-3.0CompilersCryptography leo-retrieverA retriever for the Leo programming language6,565GPL-3.0CompilersCryptography leo-spanSpan handling for the Leo programming language43,301GPL-3.0CompilersCryptography leo-stateState parser of the Leo programming language25,623GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-stdEmbedded Leo standard library source99GPL-3.0CompilersCryptography leo-symbol-tableStores user-defined variables during type resolution4,884GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-synthesizerCircuit synthesizer of the Leo programming language10,058GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-test-frameworkThe testing framework for the Leo programming language38,673GPL-3.0CompilersCryptography leo-type-inferenceChecks that a program is correct using type inference4,940GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-typedTyped AST of the Leo programming language6,270GPL-3.0Cryptography::CryptocurrenciesWeb programming leo-ver-servA web server which accepts snapshots from Leo, and serves web application for browsing history of known Leo files.13,835MITCommand line utilitiesCompression leo3Rust bindings for the Lean4 theorem prover271MIT OR Apache-2.0API bindings leo3-build-configBuild-time configuration for Leo3543MIT OR Apache-2.0Development tools::Build Utils leo3-ffiRaw FFI bindings to the Lean4 C API422MIT OR Apache-2.0API bindingsExternal FFI bindings leo3-macrosProcedural macros for Leo3 (Rust-Lean4 bindings)412MIT OR Apache-2.0Development tools::Procedural macro helpers leo3-macros-backendImplementation detail of Leo3 procedural macros535MIT OR Apache-2.0Development tools::Procedural macro helpers leogra toy gr22MIT leomeinel_sampleA sample project to test publishing on https://crates.io1,233GPL-3.0-or-later leonDead-simple string templating742,920Apache-2.0 OR MIT leon-macrosProc macros for crate leon532,047Apache-2.0 OR MIT leonaLIONESS cipher construction23MITAlgorithmsCryptography leonardo-heapHeap structure supporting fast in-place partial sorting6,005MIT/Apache-2.0 leopard-codecImplementation of Reed-Solomon codes using leopard algorithm624,592Apache-2.0Encoding leopard_vecA high-performance parallelized vector container with deferred execution for bulk parallel operations37Apache-2.0ConcurrencyData structures leottaro_commandssome simple commands2,039non-standard lepMini language for interactive consoles, featuring small code footprint.21,364MITCommand-line interfaceParser implementations leparseMulti-language parsing and signature extraction for LeIndex169MIT OR Apache-2.0Development tools lepccHigh-performance point cloud compression for I3S format - LEPCC implementation in Rust22MITAlgorithmsCompression lepcc-ffiSafe Rust bindings for the Esri LEPCC point-cloud compression library (XYZ, RGB, Intensity, FlagBytes)40Apache-2.0CompressionEncoding lephaseStructured 5-phase triage analysis subsystem for LeIndex40MIT OR Apache-2.0Development tools lepiter-cliterminal cli and tui reader for lepiter knowledge bases135MIT lepiter-corecore parser and lazy index api for lepiter knowledge bases234MIT leptabA data table for leptos with back end support, styled by tailwindcss19,539MIT leptessProductive Rust binding for Tesseract and Leptonica.212,764MIT lepticonsLucide icons as a Leptos component with category-based features.1,786MITGraphics lepticons-animateIcon animations for Leptos -- stroke draw-in, spin, pulse, bounce.96MITGUIWeb programming lepticons-dataLucide icon data, search, and categories -- framework-agnostic core for the Lepticons toolkit.89MITGraphics lepticons-pickerEmbeddable icon picker component for Leptos, powered by Lucide icons.97MITGUIWeb programming leptixSimple UI components for Leptos.951MIT leptix-accessible-iconLeptix Accessible Icon component — makes icons accessible by adding a label.153MIT leptix-accordionLeptix Accordion component — a vertically stacked set of interactive headings that reveal associated content.157MIT leptix-alert-dialogLeptix Alert Dialog component — a modal dialog that interrupts the user with important content and expects a response.149MIT leptix-aspect-ratioLeptix Aspect Ratio component — displays content within a desired ratio.149MIT leptix-avatarLeptix Avatar component — an image element with a fallback for representing the user.151MIT leptix-checkboxLeptix Checkbox component — a control that allows toggling between checked, unchecked, and indeterminate states.150MIT leptix-collapsibleLeptix Collapsible component — an interactive section that expands and collapses.207MIT leptix-context-menuLeptix Context Menu component — a menu triggered by right-click, extending the Menu primitive.153MIT leptix-coreCore utilities for Leptix UI components.1,378MIT leptix-dialogLeptix Dialog component — a window overlaid on the primary window, rendering content in a layer above the page.209MIT leptix-dropdown-menuLeptix Dropdown Menu component — a menu triggered by a button, extending the Menu primitive.209MIT leptix-formLeptix Form component — a form component with built-in validation and accessible error messages.157MIT leptix-hover-cardLeptix Hover Card component — allows sighted users to preview content behind a link.152MIT leptix-labelLeptix Label component — renders an accessible label associated with controls.151MIT leptix-menubarLeptix Menubar component — a horizontal menu bar with keyboard navigation between menus.152MIT leptix-navigation-menuLeptix Navigation Menu component — a collection of navigational links with sub-menu support.152MIT leptix-otp-fieldLeptix One-Time Password Field — a multi-segment input for OTP verification.156MIT leptix-password-toggleLeptix Password Toggle Field — a password input with integrated visibility toggle.151MIT leptix-popoverLeptix Popover component — displays rich content in a portal, triggered by a button.156MIT leptix-progressLeptix Progress component — displays an indicator showing task completion progress.151MIT leptix-radio-groupLeptix Radio Group component — a set of checkable buttons where only one can be checked at a time.153MIT leptix-scroll-areaLeptix Scroll Area component — augments native scroll functionality with custom scrollbars.171MIT