BROWSE A-Z

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.

evaluatorrsTools for runtime evaluation of mathematical expressions1,541MIT OR Apache-2.0 evalurollA dice expression parser and evaluator.3,915MITGame developmentSimulation evalxExpression evaluator329MIT evalynHigh Perfermance zkSNAKR framework1,490MIT evan-test-palletFRAME pallet template for defining custom runtime logic.1,733Unlicense evan_fibonacciCalculates numbers from the Fibonacci sequence1,210Apache-2.0 evan_toytest1,550MIT evanalyzerEVM analysis toolkit473MIT evaporateA tool to extract messages and photos from iOS backups1,479MIT evaporustA tool implementing delta-debugging for rust crates.1,856MIT OR Apache-2.0 evarModern ergonomic math calculator inspired by eva1,916MITCommand-line interfaceMathematics evault-cliCommand-line interface and binary for evault.20MITCommand line utilitiesConfiguration evault-coreCore types, traits, and services for evault.231MITCommand line utilitiesConfiguration evault-manifestParser and serializer for the evault.toml project manifest.46MITCommand line utilitiesConfiguration evault-materializerMaterializes .env files from an evault manifest.47MITCommand line utilitiesConfiguration evault-runnerProcess runner with injected environment for evault.48MITCommand line utilitiesConfiguration evault-scanner-regexRegex-based source-code scanner for environment-variable usage.48MITCommand line utilitiesConfiguration evault-store-keyringOS keyring-backed secret store for evault.48MITCommand line utilitiesConfiguration evault-store-memoryIn-memory backends for evault (test fixtures).49MITCommand line utilitiesConfiguration evault-store-sqlcipherSQLCipher-encrypted metadata store for evault.47MITCommand line utilitiesConfiguration evault-tuiTerminal user interface for evault.48MITCommand line utilitiesConfiguration evbindkeysLike XBindKeys but without the X and per device1,640MPL-2.0 evcEventually consistent synchronization primitive5,742MIT/Apache-2.0Concurrency evcoIncomplete Genetic Programming library for Rust.3,919LGPL-3.0 evcodeA high-performance terminal IDE.52MITCommand line utilitiesDevelopment tools evcoreA library to assist in setting up event-driven architecture131Apache-2.0 OR MIT evcxrAn Evaluation Context for Rust780,011MIT OR Apache-2.0 evcxr_imageDisplays images from the image crate in Evcxr Jupyter4,150Apache-2.0 evcxr_inputSupport for reading input from the user in Evcxr682,083Apache-2.0 evcxr_jupyterA Jupyter Kernel for Rust145,610MIT OR Apache-2.0 evcxr_replA REPL for Rust811,061MIT OR Apache-2.0 evcxr_runtimeRuntime core for the evcxr crate14,124Apache-2.0 evcxr_ssgA convenience library for calling functions exposed to wasm in the jupyter notebook4,053non-standard evcxr_ssg_macroA macro for calling a function in wasm and passing serializable rust values to it6,871non-standard evdevevdev interface for Linux1,318,678Apache-2.0 OR MIT evdev-keysEnable to write keys of evdev like `KEY_1` instead of `Key::KEY_1`.3,232Unlicense evdev-rsBindings to libevdev for interacting with evdev devices. It moves the common tasks when dealing with evdev devices into a library…386,210MIT/Apache-2.0 evdev-rs-tokioBindings to libevdev for interacting with evdev devices. It moves the common tasks when dealing with evdev devices into a library…1,787MIT/Apache-2.0 evdev-shortcutGlobal shortcuts using evdev8,342MIT OR Apache-2.0 evdev-sysRaw bindings to libevdev High level Rust bindings are available in the `evdev` crate395,026MIT/Apache-2.0 evdevilBindings to Linux' input device APIs: evdev and uinput7,0580BSDHardware supportOperating systems::FreeBSD APIs evdiHigh-level bindings for evdi13,031MITAPI bindingsOperating systems::Linux APIs evdi-sysLow level bindings for evdi10,162MITExternal FFI bindingsOperating systems::Linux APIs eveA program allowing for easy search and replace with environment variables.3,848MIT/Apache-2.0Command line utilitiesDevelopment tools eve-esi-apiThis library provides an authentication to Eve-esi API and some endpoints to call.1,463GPL-3.0-only eve-esi-clientComplete, spec-generated Rust client for EVE Online's ESI API, with SSO, error-limit backoff, and cache handling built in20MIT OR Apache-2.0API bindingsWeb programming::HTTP client eve-log-parserCrate providing utilities to parse EVE online logs4,570MIT eve-rsA simple, intuitive, express-like HTTP library12,975MIT eve_esiThread-safe, asynchronous client for EVE Online's ESI & OAuth210,364MIT eve_oauth2OAuth2 implementation for EVE Online SSO3,042MIT eveboxA web based Suricata event manager1,816AGPL-3.0 evebox-suricata-rule-parserSuricata rule parser for EveBox3,490MIT evegfxDriver for the Bridgetek/FTDI EVE family of display controllers5,007MIT evegfx-cliCurrently just a test utility for the evegfx crate2,958MIT evegfx-halAdapter for the evegfx crate when accessing EVE via embedded-hal SPI4,446MIT evegfx-macrosProcedural macros for use with the evegfx crate4,336MIT evegfx-spidriverAdapter for the evegfx crate when accessing EVE via a SPIDriver interface3,793MIT evelynSimple event distribution library1,667MITConcurrency even-odd-traitsUtility traits for even and odd112MIT OR Apache-2.0 even-or-oddA simple crate for determining whether a number is even or odd.1,641MIT even2A simple event dispatcher2,902MIT OR Apache-2.0 even_any_typeA lightweight Rust crate providing simple, type-specific methods to check if a value is even.526MIT OR Apache-2.0AlgorithmsData structures even_bigger_sBetter String Literal1,626MIT even_oddEven Odd Check My First Crate1,735MIT/Apache-2.0 Even_odd_checkerA library for find even/odd number after entering number in cmd arguments1,698MIT evenframeA unified framework for TypeScript type generation and database schema synchronization853MITDatabase interfacesDevelopment tools evenframe_coreCore functionality for Evenframe - TypeScript type generation and database schema synchronization897MITDatabase interfacesDevelopment tools evenframe_deriveDerive macros for Evenframe - automatic database schema and CRUD generation699MITDevelopment tools::Procedural macro helpers evenframe_pluginHelper crate for writing evenframe mockmake WASM plugins50MIT evenioAn event-driven entity component system17,739MITData structuresGame development evenio_macrosProcedural macros for `evenio`18,061MIT evenodd_checkerfirst write use evenodd_checker::evenodd; then in main function write let a = evenodd() give any number as a parameter then print3,085MIT evenpwa cli application to generate easy to type passwords1,200MIT eventA mulit-threaded event loop for Rust11,094MIT event-botA bot for Telegram to manage time-based events1,977GPL-3.0 event-brustExcessively simple event system.10,702AML event-busThis crate is designed to add a basic event bus system which allows you to subscribe and dispatch events.5,168MIT event-countdownCountdown to events you're looking forward to.1,684non-standardCommand line utilities event-delivery-adaptersDelivery adapters for event-delivery-core.24Apache-2.0 event-delivery-coreApplication event delivery core for policy-aware fanout, suppression, and delivery tracking.34Apache-2.0 event-driven-coreRust Library For Event Driven Message Handling27,289MIT event-driven-libraryRust Library For Event Driven Message Handling50,490MIT event-driven-macroRust Library For Event Driven Message Handling24,127MIT event-driven-macrosMacros for the Event Driven Finite State Machine library10,876Apache-2.0 event-emitter-rsLightweight EventEmitter90,114MIT OR Apache-2.0 event-engineFramework for writing event-driven application utilizing a plugin architecture.6,944BSD-3-Clause event-file-readerGeneric reader for scattering event files5,740GPL-3.0-or-laterParser implementationsScience event-handlerEvent invocation utilities2,709non-standard event-horizonMinimal Rust CLI for managing events43MIT event-listenerNotify async tasks or threads462,526,335Apache-2.0 OR MITAsynchronousConcurrency event-listener-primitivesLow-level primitive for building Node.js-like event listeners193,4450BSD event-listener-strategyBlock or poll on event_listener easily216,450,952Apache-2.0 OR MITAsynchronousConcurrency event-loopEvent loop.2,037MIT OR Apache-2.0Asynchronous event-managerAbstractions for implementing event based systems2,996,053Apache-2.0 OR BSD-3-Clause event-matcherDeterministic and probabilistic matching of schema.org/Event records (ISO 8601 date-times, external event IDs, locations,…72MIT OR Apache-2.0 OR GPL-2.0 OR GPL-3.0 OR BSD-3-ClauseData structuresScience event-mumuevent plugin for the mumu ecosystem1,155MIT OR Apache-2.0ConcurrencyData structures event-notificationA modular event notification system with multi-channel support2,436MIT OR Apache-2.0API bindingsAsynchronous event-notificationsThe notification service offered by state sync for on-chain events16,873Apache-2.0 event-notifyEvent notify10,807MIT OR Apache-2.0 event-observerImplementation of observer pattern by rust.1,764MIT event-pluginCLN plugin for collecting events15MIT event-queuecrates.io için bir paket nasıl hazırlanırın ele alındığı öğrenme amaçlı modüldür.1,653GPL-3.0Data structures event-rsRust implementation that mimics C#'s event model1,822GPL-2.0 event-rulerAWS Event Ruler re-implemented in Rust1,563Apache-2.0 event-scannerEvent Scanner is a library for scanning events from any EVM-based blockchain.17,615MITAsynchronousCryptography::Cryptocurrencies event-senderA c# like event-system2,442MIT OR Apache-2.0 event-serviceEvent Service - An event administration microservice that interoperates with the event-matcher crate34MIT OR Apache-2.0 OR BSD-3-Clause OR GPL-2.0-only OR GPL-3.0-onlyDatabase interfaces event-simulationA library for event based simulation of application state3,951MIT OR Apache-2.0Game developmentSimulation event-sourceZero cost async immediate event dispatching9,906MITAsynchronous event-sourcingEvent sourcing made ease!23,452MIT OR Apache-2.0 event-store-adapter-rscrate to make DynamoDB an Event Store148,632MIT OR Apache-2.0Data structuresRust patterns event-streamSimple message passing library for Rust4,632MIT event-stream-processorEvent stream processor for server side events4,655MIT event-trigger-action-systemA system that triggers actions based on events with user-programmable triggers21,582BSD-2-Clause event-uringevent-uring1,468MIT event-voxel-builderFast event voxel builder4,412AGPL-3.0-or-later event-webThe Web UI for Telegram Event Bot1,979AGPL-3.0 event_baseAn Event Driven Framework289BSD-3-Clause event_base_auditAn Event Driven Framework - Audit Crate210BSD-3-Clause event_base_coreAn Event Driven Framework - Core Crate535BSD-3-Clause event_base_grpcAn Event Driven Framework - gRPC API Crate231BSD-3-Clause event_base_macro_attrAn Event Driven Framework - Attr Macro Crate292BSD-3-Clause event_base_macro_funcAn Event Driven Framework - Func Macro Crate341BSD-3-Clause event_base_middlewareAn Event Driven Framework - Middleware Crate191BSD-3-Clause event_base_queueAn Event Driven Framework - Queue Crate265BSD-3-Clause event_base_walAn Event Driven Framework - WAL Crate230BSD-3-Clause event_bridgeA procedural macro library for generating event handlers1,860MIT event_bus_rsA runtime-agnostic, async, and thread-safe event bus for Rust.522MITAsynchronousData structures event_calenderA CLI Event Calendar written in Rust with add/remove/view events and email reminders.41MIT OR Apache-2.0Command line utilities event_chainsA flexible event processing pipeline with middleware support272MITDevelopment toolsDevelopment tools::Testing event_consumerAgnostic event consumer for outbox pattern224GPL-3.0AsynchronousDatabase interfaces event_dispatcherA simple library to register listeners (with priority) for specific events inspired by rust-emitter4,858non-standard event_handlersA unified library for handling events.1,348MIT OR Apache-2.0AsynchronousWebAssembly event_handlers_macrostablestoane ath the centre of the great circle of the macroliths of1,602MIT OR Apache-2.0 event_handlers_typesTypette, my tactile O!1,634MIT OR Apache-2.0 event_hexA pragmatic Rust toolkit for Domain-Driven Design with first-class support for event sourcing and CQRS.55MIT OR Apache-2.0AsynchronousData structures event_iteratorAsynchronous lending iterator7,407Apache-2.0 OR BSL-1.0 OR MITAsynchronousNo standard library event_libONLY FOR PERSONAL USE!! PLS DONT USE THIS1,146MIT event_log_converterEvent log converters. Supports: XES to CSV, CSV to XES.5,087Apache-2.0 event_parserRust NLP library for parsing English natural language into icalendar events4,769MIT event_publisherAgnostic event publisher for outbox pattern307GPL-3.0AsynchronousDatabase interfaces event_queue_ggmaldoLock-free MPSC/SPSC event queues for DAW — UI to audio thread and back, zero allocations27MITConcurrencyMultimedia::Audio event_rustLightweight non-blocking IO support windows and linux7,223MIT event_storeCrate to deal with every aspect of an eventstore3,846MIT event_store-coreCore struct and trait used to build event_store runtime/storage1,654MIT OR Apache-2.0 event_syncA crate that can be used to synchronize events to only occur between fixed gaps of time.18,758MIT event_systemSimple lightweight event system.3,328MIT event_system_macrosMacros for event_system.4,022MIT event_typesTypes to help idiomatically represent user input events1,586MIT OR Apache-2.0Data structuresGUI eventadorlock-free pub/sub event-bus with sync and async APIs23,884Apache-2.0AsynchronousCaching eventasticEventastic is an opinionated fork of Eventually-rs. It enforces the use of transactions and handles idempotency.38,435MITAsynchronousData structures eventastic_postgresA postgres event store for eventastic9,854MITAsynchronousWeb programming eventb-lspLanguage Server Protocol implementation for Event-B324MIT OR Apache-2.0Development tools eventbridge-pipes-eventsAWS Eventbridge Pipes Type library.6,873MITAPI bindings eventbusSafe, fast and concurrent event system, inspired by the MinecraftForge event bus.25,990AGPL-3.0+ eventbus-contractEvent bus contract — facade crate re-exporting backends and helpers153MITAsynchronousNetwork programming eventbus-coreObject-safe event bus contract traits and types229MIT eventbus-macrosDerive macros for eventbus-rs82MIT OR Apache-2.0AsynchronousNetwork programming eventbus-memoryIn-process StreamBackend for testing the event bus171MIT eventbus-natsProduction-grade event bus for Rust — NATS JetStream with effectively-once semantics43MIT OR Apache-2.0AsynchronousNetwork programming eventbus-redisRedis Streams StreamBackend for the event bus162MIT eventbus-rsEvent bus for rust15,385MIT eventbus-tinyA small, dependency-free crate that provides a multi-producer broadcast-consumer event bus940BSD-2-Clause OR MITAsynchronousConcurrency eventbus_utilTools for using Vert.X eventbus bridge with tokio.2,683MIT OR Apache-2.0 eventbuzzA safe, fast, concurrent event publish/subscribe system based on tokio(async), inspired by Spring events.4,632Apache-2.0Asynchronous eventbuzz_coreThe core submodule of eventbuzz project.4,878Apache-2.0Asynchronous eventcoreType-driven event sourcing library for Rust with atomic multi-stream commands5,297MIT eventcore-examplesIntegration tests and example applications for EventCore221MIT eventcore-fsFile-based, git-mergeable event store adapter for EventCore466MIT eventcore-macrosProcedural macros for EventCore event sourcing library5,637MIT eventcore-memoryIn-memory event store adapter for EventCore event sourcing library3,723MIT eventcore-postgresPostgreSQL event store adapter for EventCore event sourcing library3,784MIT eventcore-sqliteSQLite event store adapter for EventCore event sourcing library516MIT eventcore-testingTesting utilities and shared test suite for EventCore event stores380MIT eventcore-typesShared vocabulary types and traits for EventCore event sourcing library2,324MIT eventcv-coreRust core of EventCV — OpenCV for event-based vision.102Apache-2.0Computer vision eventdSimple observer-like event dispatcher9,374MIT eventdbxImmutable, event-sourced, nosql, write-side database system.5,855MITDatabase interfaces eventdbx-clientAsync Rust client and CLI for EventDBX137MITDatabase interfaces eventearA small crate for creating listeners for events and applying their changes to a state struct.1,720MIT eventedEvent Sourcing in Rust on top of PostgreSQL9,734non-standard EventEmitterAn EventEmitter object inspired by NodeJS.6,219MITNo standard library eventfdBinding to Linux's eventfd syscall85,804MIT eventfoldLightweight, append-only event log with derived views — your application state is a fold over an event log164MIT OR Apache-2.0Data structuresDatabase implementations eventfold-esEmbedded event-sourcing framework built on eventfold72MIT OR Apache-2.0Data structuresDatabase interfaces eventfulA library for event sourcing in Rust6,237Apache-2.0 eventful-sql-serverA library for event sourcing in Rust5,198Apache-2.0 eventful-test-sharedA library for event sourcing in Rust1,527Apache-2.0 eventgraphHash-chained, append-only, causal event graph104non-standard eventheaderRust API for eventheader-encoded Linux Tracepoints via user_events223,888MITAPI bindingsDevelopment tools::Debugging eventheader_dynamicRust API for runtime-specified eventheader-encoded Linux Tracepoints via user_events220,148MITAPI bindingsDevelopment tools::Debugging eventheader_macrosRust macros for eventheader-encoded Linux Tracepoints via user_events158,747MIT eventheader_typesRust types for eventheader-encoded Linux Tracepoints via user_events156,402MITAPI bindingsDevelopment tools::Debugging eventideA pragmatic Rust toolkit for Domain-Driven Design with event sourcing and CQRS. Umbrella crate re-exporting `eventide-domain`,…43MIT OR Apache-2.0AsynchronousData structures eventide-applicationApplication layer for the eventide DDD/CQRS toolkit: command bus, query bus, handlers, application context, and an in-memory bus…80MIT OR Apache-2.0AsynchronousData structures eventide-domainDomain layer for the eventide DDD/CQRS toolkit: aggregates, entities, value objects, domain events, repositories, and an…115MIT OR Apache-2.0AsynchronousData structures eventide-macrosProcedural macros for the eventide DDD/CQRS toolkit: derive entities, entity ids, value objects and domain events with a single…153MIT OR Apache-2.0AsynchronousData structures eventificEventific is a tool that gives you the needed building blocks for event sourcing29,596MITAsynchronousData structures eventific_postgresEventific is a tool that gives you the needed building blocks for event sourcing6,063MIT eventific_rabbitmqEventific is a tool that gives you the needed building blocks for event sourcing10,063MIT