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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.

eui-no-stdEUI-48 and EUI-64 no-std implementation.13,444MIT eui48A library to generate and parse IEEE EUI-48 and EUI-64, also known as MAC-48 media access control addresses. The IEEE claims…1,228,907MIT/Apache-2.0 Network programming Parser implementations euidReference implementation for EUID11,305MIT Encoding euid-toysReference implementation for EUID6,368MIT eukaEuka19Apache-2.0 euklidLibrary for CRDT1,718Apache-2.0 euklidische_algoImplementation of the euklidish algorithm to find the2,325MIT euleAsync generic serialization crate with a minimal interface.10,863MIT eulerMathematics library for 3D computer graphics561,687MIT/Apache-2.0 euler-rsA command line tool for solving Project Euler problems in Rust979MIT OR Apache-2.0 Command line utilities Mathematics eulerrA multi-chain faucet cli for repeatedly claiming test tokens.6,737MIT OR Apache-2.0 Command line utilities eulogyUserspace async drop for Rust30Apache-2.0 Asynchronous Rust patterns eulogy-deriveDerive macro for eulogy::AsyncDrop13Apache-2.0 eulumdatEulumdat (LDT) and IES photometric file parser, writer, and validator for Rust4,057AGPL-3.0-or-later Parser implementations Science eulumdat-bevy3D scene viewer for photometric data using Bevy game engine614AGPL-3.0-or-later Game development Visualization eulumdat-cliCommand-line tool for EULUMDAT (LDT) and IES photometric files131AGPL-3.0-or-later Command line utilities Science eulumdat-eguiCross-platform GUI application for viewing EULUMDAT/LDT and IES photometric files122AGPL-3.0-or-later eulumdat-ffiFFI bindings for eulumdat - enables use from Swift, Kotlin, Python, and other languages82AGPL-3.0-or-later eulumdat-gltf-packCLI tool to pack glTF + external KTX2 textures into a self-contained GLB20AGPL-3.0-or-later eulumdat-goniosimCPU Monte Carlo photon tracer for virtual goniophotometry69AGPL-3.0-or-later Science Simulation eulumdat-i18nInternationalization for Eulumdat/ATLA photometric libraries357AGPL-3.0-or-later Internationalization (i18n)Localization (L10n) eulumdat-photwebPhotometric web representation, sampling, and 3D mesh generation for EULUMDAT/IES lighting data124AGPL-3.0-or-later Graphics Rendering eulumdat-pluginLightweight WASM plugin for eulumdat photometric analysis - embeddable in GLDF files61AGPL-3.0-or-later eulumdat-pyPython bindings for eulumdat photometric file parsing library66MIT OR Apache-2.0 eulumdat-quizPhotometric knowledge quiz engine for lighting professionals175AGPL-3.0-or-later eulumdat-quiz-pyPython bindings for the eulumdat photometric knowledge quiz engine22AGPL-3.0-or-later eulumdat-rtGPU ray tracing engine for photometric simulation — wgpu compute shaders45AGPL-3.0-or-later Rendering Science eulumdat-serverEulumdat SSR server with Brotli compression and analytics20AGPL-3.0-or-later eulumdat-tuiTerminal-based photometric data viewer for EULUMDAT/LDT and IES files19AGPL-3.0-or-later eulumdat-tui-quizTerminal-based photometric knowledge quiz using ratatui42AGPL-3.0-or-later eulumdat-typstTypst report generation for photometric data77AGPL-3.0-or-later Science Visualization eulumdat-uiShared egui UI components for Eulumdat viewer/editor82AGPL-3.0-or-later GUI Visualization eulumdat-wasmWebAssembly Eulumdat (LDT/IES) Editor - Browser-based photometric file editor82AGPL-3.0-or-later eulumdat-wasm-templatesLazy-loaded template files for the Eulumdat WASM editor43AGPL-3.0-or-later eulumdat-windows-previewWindows Preview Handler for EULUMDAT (LDT) and IES photometric files120AGPL-3.0-or-later Operating systems::Windows APIs eumaEuma, a color and design theme5,481MIT euniceComing soon1,665MIT eunicodeA text processing CLI and library that helps sanitize text by removing the naughty bits to make strings good and safe.2,297BSD-3-Clause Command line utilities eunitsComing soon.1,152AGPL-3.0-only eunoiaA library for creating area-proportional Euler and Venn diagrams974MIT OR Apache-2.0 Graphics Mathematics eunomia-rsA rust binding for eunomia-bpf.2,785MIT euphA functional stack-based programming language191MIT euphonymusic composition environment for programmers4,246MIT euphony-bufferbuffer utilities for euphony applications6,112MIT euphony-cliCommand line tool for managing euphony projects4,145MIT euphony-commandcommand descriptions for euphony applications6,611MIT euphony-compilercompiler infrastructure for euphony compositions2,936MIT euphony-coreCore types and traits for music composition1,707MIT euphony-core-macrosCore macro implementations2,536MIT euphony-dspimplementation of euphony's signal processing nodes4,064MIT euphony-graphparallel graph computation framework7,009MIT euphony-macrosCore macro implementations9,008MIT euphony-mixmixing logic for euphony compositions2,950MIT euphony-nodetypes for DSP nodes in a euphony graph6,511MIT euphony-playerMultitrack audio player for the command line1,670MIT euphony-sampleseasy-to-consume samples and waveforms for euphony applications3,723MIT euphony-storestorage component for rendered output2,338MIT euphony-unitsCore types and traits for music composition7,137MIT euphoriaA math lib for Computer Graphics3,493GPL-3.0+ euphratesA library for emulating video game consoles, in particular the Sega Master System, Game Gear, and SG-1000.4,940GPL-3.0-or-later Emulators Games euphrates_cliAn emulator for the video game consoles Sega Master System, Game Gear, and SG-1000.2,012GPL-3.0-or-later Emulators Games euphrates_sdl2Allows the use of the SDL2 multimedia library with the Euphrates game console emulator.3,010GPL-3.0-or-later Emulators Games euphrates_virtual_memoryAllows the Euphrates game console emulator library to use native virtual memory to emulate memory bank switching.2,850GPL-3.0-or-later Emulators Games euphrates_x64A crate providing improved performance for the Euphrates game console emulator, for x86-64 CPUs with BMI2 instructions.2,841GPL-3.0-or-later Emulators Games eureEure core library1,576MIT OR Apache-2.0 eure-cliCommand-line tool for Eure format conversion and validation688MIT OR Apache-2.0 eure-codegenCode generation from Eure schemas186MIT OR Apache-2.0 eure-codegen-irCanonical intermediate representation for Eure code generation553MIT OR Apache-2.0 eure-configConfiguration types for Eure tools (CLI, LSP)66MIT OR Apache-2.0 eure-documentValue type for Eure1,599MIT OR Apache-2.0 eure-editor-supportEditor support utilities for EURE format544MIT OR Apache-2.0 eure-envEnvironment and configuration for Eure tools (CLI, LSP, cache)1,115MIT OR Apache-2.0 eure-fmtFormatter for Eure files1,389MIT OR Apache-2.0 eure-jsonJSON conversion support for Eure format1,035MIT OR Apache-2.0 eure-json-schemaJSON Schema compatibility for Eure format689MIT OR Apache-2.0 eure-lintLinter for Eure files690MIT OR Apache-2.0 eure-lsLanguage Server Protocol implementation for Eure700MIT OR Apache-2.0 eure-macrosDerive macros for Eure schema generation1,498MIT OR Apache-2.0 eure-markGeneric article and page renderer for Eure-authored content290MPL-2.0 eure-parolEure parser implementation using Parol1,974MIT OR Apache-2.0 eure-schemaSchema specification and validation for Eure1,688MIT OR Apache-2.0 eure-templateTemplating extension for Eure files678MIT OR Apache-2.0 eure-tomlTOML conversion support for Eure format833MIT OR Apache-2.0 eure-treeEure tree data structure2,117MIT OR Apache-2.0 eure-valueValue type for EURE558MIT OR Apache-2.0 eure-yamlYAML conversion support for Eure format813MIT OR Apache-2.0 eurekaCLI tool to input and store your ideas without leaving the terminal26,594MIT Command-line interface Command line utilities eureka-clientHandles HTTP requests to and registering a service with Eureka7,438MIT eureka-manager-cliThe official cli for the eureka-mmanager3,095MIT OR Apache-2.0 eureka-mmanagerAn Actix actor collection for downloading manga, chapters, covers from Mangadex15,237MIT OR Apache-2.0 eureka-mmanager-coreThe core package for the eureka-mmanager crate.11,811MIT OR Apache-2.0 eureka-optimizerA short description23MIT eurocUtility for EuRoC MAV dataset2,026Apache-2.0 euromailOfficial Rust SDK for EuroMail transactional email service118MIT API bindings Email europaA lightweight AI utilities library for Rust1,937MIT OR Apache-2.0 europa_netEuropa net API2,961MIT OR Apache-2.0 europasEuropa celestial simulation crate for the MilkyWay SolarSystem workspace70MIT Science Simulation europeA comprehensive Rust crate for enumerating and working with European countries and their subdivisions.5,561MIT Internationalization (i18n)Localization (L10n) europe-elects-csvA serializer/deserializer for the Europe Elects CSV format1,536MIT Parsing tools european-data-formatEuropean Data Format (EDF/EDF+) utilities to read and write EDF files, EDF+ files, XML files, JSON files.53MIT OR Apache-2.0 OR BSD-3-Clause OR GPL-2.0-only OR GPL-3.0-only Command line utilities Data structures eurorack-oxide-utilsUtility library with useful Eurorack related stuff.7,985MIT OR Apache-2.0 euroscopeSafe, idiomatic Rust interface for writing EuroScope plugins98EUPL-1.2 Aerospace::Aerospace simulations API bindings euroscope-sysRaw FFI bindings and C++ glue shim for the EuroScope plugin SDK117EUPL-1.2 Aerospace::Aerospace simulations External FFI bindings eurydiceeurydice1,641non-standard eusbRust library for accessing USB devices.21,222MIT eutilscopy and move tool with automatic file conversions.25MIT eutils-rsCommonly used toolsets8,987GPL-3.0 euuiAn Extended Universal Unique Identifier7,923MIT Data structures Encoding euvA declarative, cross-platform UI framework for Rust with virtual DOM, reactive signals, and HTML macros for WebAssembly.3,773MIT Network programming Web programming euv-cliThe official CLI tool for the euv UI framework, providing dev/release profiles with run/build modes, hot reload, and wasm-pack…3,444MIT Network programming Web programming euv-coreA declarative, cross-platform UI framework for Rust with virtual DOM, reactive signals, and HTML macros for WebAssembly.4,718MIT Network programming Web programming euv-engineA high-performance 2D game engine built on the euv framework, featuring ECS, fixed-timestep game loop, canvas rendering, physics,…520MIT Game engines Web programming euv-macrosProcedural macros for the euv UI framework, providing the macro and attribute for declarative UI composition.4,816MIT Network programming Web programming euv-uiReusable UI component library for the euv framework, providing buttons, cards, modals, inputs, and more.642MIT GUI Web programming euvdAPI for querying recent vulnerabilities from the ENISA EUVD database.1,523MIT OR Apache-2.0 euxis-commonsShared Rust utilities and common patterns for the ecosystem. Provides reusable components for error handling, configuration, …7,863MIT OR Apache-2.0 Development tools Rust patterns evCross-platform event loop primitives for unix systems.6,611ISC ev-appleEvent forwarded (unified sender, that forwards messages to correct receivers)3,049MIT ev-clientRust client library for interacting with Ev nodes via gRPC418Apache-2.0 API bindings Network programming ev-diceUnix utility to compute the min, max, and expected value of a D&D-like dice roll6,700MIT ev-managerControl your environment.31MIT ev-protobufsGenerated tonic rust files based on proto definitions18,885MIT ev-typesProtocol buffer generated types for Ev1,147Apache-2.0 API bindings Encoding ev3High level EV3 API10,228MIT ev3-botHigh level library to implement bots based on `ev3rt-rs`.304MIT ev3-dcLow level EV3 direct command library28MIT Science::Robotics ev3-drivebaseA DriveBase for the EV3109non-standard API bindings Hardware support ev3-runnerA command-line tool to upload and run binaries on LEGO EV3 robots running ev3dev over TCP.283MIT Command line utilities ev3dev-lang-rustRust language bindings for ev3dev49,872MIT API bindings Embedded development ev3dev-lang-rust-deriveDerive macros for ev3dev_lang_rust18,358MIT ev3dev-rsHigh level pybricks-like rust bindings for e3dev323GPL-3.0-or-later ev3robotRust library for ev3dev6,331MIT API bindings Embedded development ev3robot_macrosProc-macro crate for ev3robot. Don't depend on this crate directly.7,040MIT ev3rtRust bindings for ev3rt11,985MIT ev_libEV-invest shared Rust libraries, one per feature269BlueOak-1.0.0 ev_lib_classesPure styling data (Tailwind class tables) shared by the Dioxus uikit and the TS codegen — no Dioxus.64BlueOak-1.0.0 ev_lib_genGenerates the TS uikit class tables from ev_lib_classes (Rust is the source of truth).38BlueOak-1.0.0 ev_slotmapA lock-free, eventually consistent, concurrent slot map.8,076MIT OR Apache-2.0 Concurrency Data structures evaCalculator REPL similar to bc(1)20,925MIT Command-line interface Parser implementations eva-asmEVM assembly instructions, opcodes and mnemonics803MIT Cryptography::Cryptocurrencies Data structures eva-clientRT/HTTP Client for EVA ICS v417,825Apache-2.0 eva-commonCommons for EVA ICS v4289,358Apache-2.0 eva-cryptoPrototype level implementations of some encryption algorithms, with some generic traits.5,193MIT eva-disassemblerEVM disassembler671MIT eva-icsEVA ICS v41,200Apache-2.0 eva-lslEVA ICS v4 local service launcher5,936Apache-2.0 eva-rjrpcEVA ICS JSON RPC internals19,064Apache-2.0 eva-robotsCommons for EVA ICS v413,023Apache-2.0 eva-rt-commonStructs, traits and functions used to develop real-time analysis tools.99GPL-3.0 eva-sdkEVA ICS v4 SDK215,457Apache-2.0 eva-sdk-deriveEVA ICS v4 SDK derive macros11,520Apache-2.0 eva-sim-modbusEVA ICS Virtual Fieldbus Simulator1,570Apache-2.0 evacA customizable panic handler; less panic, more calm1,931LGPL-3.0 evagrepA simple text matcher developed while following the rust programming language book21MIT eVaiutilitiesvariant analyzer for human genomics1,650MIT evalExpression evaluator126,682MIT eval-containersA build system for AI agent evaluations20Apache-2.0 Command line utilities Development tools::Build Utils eval-coreA testing framework for LLM agents: prompt-based test cases with built-in assertions on tool calls, parameters, and text/math…134MIT OR Apache-2.0 Command line utilities Development tools::Testing eval-flake-rsDetect flaky LLM eval cases by tracking pass/fail across repeated runs. Returns per-case flip-rate and an overall flakiness…19MIT OR Apache-2.0 Development tools::Testing eval-macroRENAMED TO 'crabtime', USE IT INSTEAD.6,692MIT OR Apache-2.0 eval-macro-internalHelper for the eval-macro crate.3,904MIT OR Apache-2.0 eval-magicOne-stop CLI for running skill evals — measure whether an agent skill actually shifts behavior.102MIT Command line utilities eval-mdThis is a tool to evaluate or export code from Markdown files14,131non-standard Command line utilities eval-metricsEvaluation metrics for machine learning21,902MIT OR Apache-2.0 eval-runnerCLI tool for running LLM evals with YAML test cases and LLM-as-judge scoring20MIT OR Apache-2.0 eval-stackExtremely fast async online judge evaluation system for ACM/OI contests.8,148AGPL-3.0 eval-utilityWrapper function of the evaluator crate. Provides python-like built-in functions.7,713GPL-3.0-only evalbitA simple logical expression evaluation crate with RPN conversion692ISC evalboxUnprivileged sandbox for arbitrary code execution81MIT OR Apache-2.0 Development tools Operating systems::Linux APIs evalbox-sandboxSandbox orchestration for evalbox161MIT OR Apache-2.0 evalbox-sysLow-level syscall wrappers for evalbox sandboxing239MIT OR Apache-2.0 evalchromaGuess the best chroma subsampling mode for a given image68,626Apache-2.0 OR MIT Graphics Multimedia::Encoding evalcoreKnow when your AI gets worse before your users do. The eval engine for AI systems: record, replay, compare, and gate LLM and…129Apache-2.0 Command line utilities Development tools evalcore-configevals.yaml schema, parsing, and validation for EvalCore270Apache-2.0 evalcore-coreDomain types, Target/Scorer traits, dataset loading, and the run engine for EvalCore247Apache-2.0 evalcore-reportReport rendering (terminal, JSON, JUnit XML) for EvalCore run results173Apache-2.0 evalcore-scorersBuilt-in scorers (contains, exact, regex, subprocess, LLM judge) for EvalCore161Apache-2.0 evalcore-serveLocal, read-only web viewer over the EvalCore run-history store (`evalcore serve`)45Apache-2.0 evalcore-storeLocal SQLite storage for EvalCore: the record/replay cache for LLM calls170Apache-2.0 evaldevald — embedded OTel-native trace + eval store for LLM apps (single binary). PoC: OTLP/HTTP receiver.31Apache-2.0 evalexprA powerful arithmetic and boolean expression evaluator8,748,331AGPL-3.0-only Game engines Parsing tools evalexpr-jitJIT compilation and symbolic differentiation of evalexpr expressions with Cranelift.6,613MIT evalflow-sdkAsync Rust client for the EvalFlow API: manage projects, prompt versions, and datasets, and run & score LLM evaluations.47MIT API bindings evalframeStandalone eval framework for LLM outputs — Lua DSL with Rust host26MIT Command line utilities Development tools::Testing evalguardEvalGuard — reservation crate for the Rust SDK. The independent AI platform for teams shipping LLM agents. Public API…19MIT API bindings Development tools::Testing evalguard-sdkEvalGuard SDK — reservation crate aligned with the evalguard crate. https://evalguard.ai21MIT API bindings Development tools::Testing evalicaEvalica, your favourite evaluation toolkit.93Apache-2.0 Algorithms Mathematics evalita toy interpreter1,970MIT Compilers Parser implementations evalkitevalkit138MIT evalonePortable CLI binary for running evaluations defined by TOML configuration files287MIT Development tools evaloopevaloop20MIT evalrExpression evaluator1,263MIT OR Apache-2.0 evalrsRust code snippet evaluator22,017MIT evalsTyped agent eval runtime, artifacts, and cargo-evals integration170Apache-2.0 Development tools::Testing evals-macrosProc macros for eval suites, eval definitions, and reusable graders152Apache-2.0 Development tools::Procedural macro helpers evalsyncExperiment synchronization library for benchmark coordination via ZeroMQ122MIT Asynchronous Development tools evaltPortable YAML-defined eval tests for AI agent and model harnesses23MIT Command line utilities Development tools::Testing evaltorA tool for evaluating the evaluatees on benchmarks548MIT evaltreesA simple term-rewriting interpreter that displays intermediate expressions.2,070Apache-2.0/MIT evaluator_rsA evaluation engine library for Rust7,244MIT OR Apache-2.0 Game engines Parser implementations