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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.

etherscan_explorer_cmd_lineCommand Line Etherscan Explorer1,529MIT ethersyncEnables real-time co-editing of local text files.4,656AGPL-3.0-or-later Command line utilities Text editors ethertypeIEEE 802 EtherType with protocol descriptions7,670MIT etheryal-bootimageCreate a booteable image with the specified etheryal Kernel and Kernel modules3,137MIT ethexe-blob-loaderBeacon blob loading for the ethexe execution layer38GPL-3.0 ethexe-commonShared types and primitives for the ethexe execution layer552GPL-3.0 ethexe-consensusValidator consensus services for the ethexe execution layer38GPL-3.0 ethexe-dbDatabase abstractions and implementations for ethexe109GPL-3.0 ethexe-ethereumEthereum contract bindings and transaction helpers for ethexe119GPL-3.0 ethexe-node-wrapperNode process wrapper utilities for ethexe54GPL-3.0 ethexe-observerEthereum chain observer for the ethexe execution layer39GPL-3.0 ethexe-prometheusPrometheus metrics for ethexe39GPL-3.0 ethexe-rpcJSON-RPC server and client APIs for ethexe40GPL-3.0 ethexe-rpc-clientJSON-RPC client APIs for ethexe25GPL-3.0 API bindings Asynchronous ethexe-rpc-commonShared JSON-RPC types for ethexe33GPL-3.0 API bindings Network programming ethexe-runtime-commonShared runtime types and storage traits for ethexe527GPL-3.0 ethexe-sdkRust SDK for the Vara Ethereum execution layer41GPL-3.0 API bindings WebAssembly ethexe-service-utilsTesting and service utilities for ethexe40GPL-3.0 ethiopic-calendarEthiopian calendar implementation in Rust8,146MIT ethiopic-numeralsConvert to Ethiopic Numerals1,917MIT ethjsonParity Ethereum JSON Deserialization2,379GPL-3.0 ethkeyEthereum keys management supporting keystores, signing and verification24,422GPL-3.0 ethlTools for capturing, processing, archiving, and replaying Ethereum events4,383MIT ethl-cliTools for capturing, processing, archiving, and replaying Ethereum events1,403MIT ethnum256-bit integer implementation26,079,036MIT OR Apache-2.0 Cryptography::Cryptocurrencies Mathematics ethnum-intrinsicsLLVM generated 256-bit integer intrinsics12,624MIT OR Apache-2.0 Cryptography::Cryptocurrencies Mathematics ethnum-macros256-bit integer literals134,421MIT OR Apache-2.0 Cryptography::Cryptocurrencies Mathematics ethockLightweight Ethereum JSON RPC Mock written in Rust3,172MIT OR Apache-2.0 ethos« τοῦ γὰρ ἤθους αἱ τοιαῦται δοκοῦσι κινήσεις εἶναι… » (NE 1128a.10)453AGPL-3.0-only Algorithms Concurrency ethos-bitcoindGenerated client for ethos-bitcoind.215CC0-1.0 API bindings Cryptography ethos-clientEthos Client connection23MIT ethos-coreEthos Core components24MIT ethos-docReserved package name for Ethos PDF document parsing and structure.18Apache-2.0 ethos-doc-coreEthos canonical document model, IDs, errors, schema types, traits, c14n and fingerprints202Apache-2.0 ethos-pdfPDFium backend behind EthosPdfBackend — quantize-at-extraction lives here (WS-ENGINE, Milestone A)139Apache-2.0 ethos-ragReserved package name for Ethos PDF RAG citation artifacts.18Apache-2.0 ethos-verifyParser-agnostic citation evidence verification over GroundingSource (alpha lands Milestone B)143Apache-2.0 ethoxA standalone network stack for user-space networking and unikernels5,684AGPL-3.0-only Network programming No standard library ethox-io-uringAn io-uring device implementation for ethox1,843AGPL-3.0-only Network programming ethpMacros for evaluating common Ethereum and blockchain functions at compile time.3,575MIT Cryptography ethp2pUmbrella crate for the ethp2p project. Name reserved; see the repository for the actual crates.10MIT OR Apache-2.0 ethp2p-broadcastErasure-coded broadcast engine and pluggable strategies for ethp2p.12MIT OR Apache-2.0 ethp2p-protocolFoundational protocol types and codecs for ethp2p, derived from the upstream spec.12MIT OR Apache-2.0 ethp2p-simRust-native deterministic simulation harness for ethp2p.10MIT OR Apache-2.0 ethp2p-transportDirect-on-QUIC transport for ethp2p (demo / proof-of-concept; spec-conformant slice 7 is gated).10MIT OR Apache-2.0 ethpmRust library for EthPM package manifest and registry operations4,912MIT ethportal-apiDefinitions for various Ethereum Portal Network JSONRPC APIs29,233MIT Cryptography::Cryptocurrencies ethprimEthereum primitive type meta-crate73,570MIT OR Apache-2.0 Cryptography::Cryptocurrencies No standard library ethqr-genEthiopian QR Code Payment Generator - EMVCo compliant QR codes for IPS ET313MIT OR Apache-2.0 Encoding Finance ethrEthereal shell prompts. Pragmatic meets aesthetic.58WTFPL Command line utilities ethrecvReceive ethernet packets at a high rate.1,6330BSD Network programming ethrex-blockchainBlock validation, execution, fork choice, mempool, and payload building for the ethrex client446MIT OR Apache-2.0 ethrex-commonCore Ethereum data types and block validation for the ethrex Ethereum execution client594MIT OR Apache-2.0 ethrex-cryptoCryptographic primitives and precompile backends for the ethrex Ethereum execution client634MIT OR Apache-2.0 ethrex-l2-commonShared L2 rollup types and helpers for the ethrex Ethereum client447MIT OR Apache-2.0 ethrex-l2-rpcL2 JSON-RPC server and ethrex_* namespace handlers for the ethrex Ethereum client380MIT OR Apache-2.0 ethrex-levmNative EVM implementation for the ethrex Ethereum execution client483MIT OR Apache-2.0 ethrex-metricsPrometheus metrics collection and exposition for the ethrex Ethereum execution client462MIT OR Apache-2.0 ethrex-p2pPeer-to-peer networking (discv4/discv5, RLPx, eth, snap) for the ethrex Ethereum client431MIT OR Apache-2.0 ethrex-rlpRLP encoding and decoding for the ethrex Ethereum execution client629MIT OR Apache-2.0 ethrex-rpcJSON-RPC and Engine API server for the ethrex Ethereum execution client403MIT OR Apache-2.0 ethrex-sdkClient SDK for L2 deposits, withdrawals, and contract deployment on the ethrex client345MIT OR Apache-2.0 ethrex-sdk-contract-utilsSolidity contract compilation and git dependency helpers for the ethrex Ethereum execution client379MIT OR Apache-2.0 ethrex-storagePersistent block and state storage layer for the ethrex Ethereum execution client465MIT OR Apache-2.0 ethrex-storage-rollupRollup batch and prover-input storage for the ethrex L2 Ethereum client429MIT OR Apache-2.0 ethrex-trieEthereum Merkle Patricia Trie for the ethrex Ethereum execution client609MIT OR Apache-2.0 ethrex-vmEVM execution backend and database abstraction for the ethrex Ethereum execution client461MIT OR Apache-2.0 ethrpcEthereum transport-agnositic JSON RPC implementation10,772MIT OR Apache-2.0 Cryptography::Cryptocurrencies ethrpc-rsA lightweight async library for making JSON-RPC calls to Ethereum-compatible nodes.91MIT API bindings Cryptography::Cryptocurrencies ethrsAn opinionated and fast library for interaction with the EVM2,882MIT OR Apache-2.0 API bindings Cryptography::Cryptocurrencies ethsignA library to read JSON keyfiles and sign Ethereum stuff.173,444GPL-3.0 ethsign-cryptoPure Rust drop-in replacement for the `parity-crypto` crate43,818GPL-3.0 ethstarkethstark1,718MIT ethtoolLinux Ethtool Communication Library426,338MIT Network programming Operating systems ethtool-xujunjieLinux Ethtool Communication Library1,391MIT Network programming Operating systems ethtool_sysethtool c like api1,619MIT ethyleneA safe, runtime-independent asynchronous ORM and Query Builder for PostgreSQL, MySQL, SQLite, and MSSQL1,368MIT OR Apache-2.0 Database interfaces etilesLibrary for processing 3D Tiles data.645MIT OR Apache-2.0 etiles-cliCLI tool for processing 3D Tiles data.446MIT OR Apache-2.0 etiles-coreCore primitives and operations for processing 3D Tiles data.1,005MIT OR Apache-2.0 etiles-ioIO operations for processing 3D Tiles data.829MIT OR Apache-2.0 etimemeasure elapsed time12,976non-standard etin5-digit IRS Electronic Transmitter Identification Number (ETIN) type83Apache-2.0 Data structures etkEgui's toolkit1,696MIT etk-4byteEVM Toolkit function selector database6,286MIT OR Apache-2.0 Cryptography::Cryptocurrencies Development tools etk-analyzeEVM Toolkit analysis tools4,298MIT OR Apache-2.0 Command line utilities Cryptography::Cryptocurrencies etk-asmEVM Toolkit assembler49,324MIT OR Apache-2.0 Command line utilities Compilers etk-cliEVM Toolkit command-line utilities6,902MIT OR Apache-2.0 Command-line interface Command line utilities etk-dasmEVM Toolkit disassembler4,808MIT OR Apache-2.0 Command line utilities Cryptography::Cryptocurrencies etk-opsEVM Toolkit Instructions30,416MIT OR Apache-2.0 Cryptography::Cryptocurrencies etke_openai_api_rust(Temporary etke.cc fork) A very simple Rust library for OpenAI API, free from complex async operations and redundant dependencies.3,787MIT API bindings etlA general-purpose extract-transform-load (ETL) tool2,164non-standard etl-coreCore ELT (Extract, Load, Transform) library for Rust32MIT etl-unitSemantic data model for ETL units — qualities and measurements over subjects and time. Built on Polars.22MIT OR Apache-2.0 Data structures Science etls工具箱361MIT OR Apache-2.0 etnaetna1,915GPL-3.0-only etnoEnhanced Tacos, No Onions1,705AGPL-3.0 etnsc-bootstrapA tool for quick Electroneum local node setup and management3,228MIT Command line utilities etoA small updater.5,065MIT OR Apache-2.0 eto-cliA small updater's CLI tool.4,109MIT OR Apache-2.0 etodoa easy todo app1,549MIT OR Apache-2.0 etomlA command line utility for managing secrets in encrypted TOML files5,052MIT Command line utilities etoonFast TOON (Token-Oriented Object Notation) encoder. 8x faster than toons, 2.7x faster than the official TS SDK.1,080Apache-2.0 Encoding Parser implementations etop-clietop-cli is cli of etop2,926MIT OR Apache-2.0 etop-coreetop-core contains the core types and datasets of etop3,672MIT OR Apache-2.0 etop-formatetop-format contains functions for fomatting data into strings4,166MIT OR Apache-2.0 etop-tuietop-tui is the interactive interface of etop3,360MIT OR Apache-2.0 etopaTime-based one-time password authenticator1,902ISC etopaiEtopa HTTPS API1,812ISC etopanEtopa for Android1,832ISC etopawEtopa for Web1,800ISC etopay-api-typesType definitions for interacting with the ETOPay API3,805AGPL-3.0-only etopay-sdkFrontend SDK for Android, iOS and Web. Includes wallet, kyc components3,156AGPL-3.0-only API bindings Cryptography::Cryptocurrencies etopay-walletFunctionality for interacting with DLTs used in the ETOPay Wallet1,160AGPL-3.0-only etospheres-labs-iota-sdkThe IOTA SDK provides developers with a seamless experience to develop on IOTA by providing account abstractions and clients to…2,238Apache-2.0 Cryptography::Cryptocurrencies etospheres-labs-lamport_sigsImplementation of the Lamport one-time signature scheme.3,707BSD-3-Clause Algorithms Cryptography etospheres-labs-merkleMerkle tree implementation with support for generation of inclusion proofs.3,681BSD-3-Clause Cryptography Data structures etospheres-labs-merkle_sigsImplementation of Merkle signing3,480BSD-3-Clause etospheres-labs-rusty_secretsImplementation of threshold Shamir's secret sharing in the Rust programming language.3,417BSD-3-Clause etpEmbedded Tester Library (ETP). Control embedded devices from host!675non-standard etpmETPM — a tiny, embeddable package manager library for Rust focused on downloading and installing tar.gz package archives from…36MIT etptypesEnergistics Transport Protocol (ETP) Message types3,097MIT OR Apache-2.0 Network programming Science etrA Rust implementation of Eternal Terminal (et)286GPL-3.0-only Command line utilities Network programming etraceThis library provides some structs and macros to create stackable/traceable errors for your own custom errors179,083BSD-2-Clause OR MIT etradeWraps the etrade API and implements the oauth flows13,498MIT API bindings etradeTaxReturnHelperParses etrade and revolut financial documents for transaction details (income, tax paid, cost basis) and compute total income…52,800BSD-3-Clause etreeXML DOM library with XPath support11,113MIT OR Apache-2.0 etssimple cli express-typescript-starter12,061MIT OR Apache-2.0 etsi014-clientETSI GS QKD 014 client library2,881MIT API bindings Cryptography etsmEfficient Tiny State Machine using object callbacks.6,720MIT etternaBasic building blocks for applications interfacing with the rhythm game Etterna3,030MIT etternaonline_apiA Rust wrapper for the v2 API of https://etternaonline.com3,563MIT API bindings Web programming etterskriftetterskrift (n) - postscript.1,643MIT ettouA TCP over UDP networking library710MIT Network programming ettyAn easy tty library1,617MIT etty-macrosProcedural macros for etty2,207MIT etwPlaceholder for eventual Windows ETW wrapper library crate.2,115MIT etw-readerlibrary for reading ETW etl files1,715MIT etw-wrapperStrongly typed Event Tracing for Windows (ETW) logger generation24ISC API bindings Operating systems::Windows APIs etw-wrapper-macroProcedural macros for etw-wrapper30ISC API bindings Operating systems::Windows APIs etwin_appEternaltwin web application files3,846AGPL-3.0-or-later etwin_auth_storeDinoparc store implementation11,342AGPL-3.0-or-later etwin_cliCommand Line Interface for Eternaltwin19,168AGPL-3.0-or-later etwin_clientEternaltwin client implementations9,878AGPL-3.0-or-later etwin_configConfig crate for Eternal-Twin27,549AGPL-3.0-or-later etwin_constantsHammerfest store implementation30,176AGPL-3.0-or-later etwin_coreCore crate for Eternal-Twin40,090AGPL-3.0-or-later etwin_db_schemaManager for Eternal-Twin SQL schemas27,220AGPL-3.0-or-later etwin_dinoparc_clientDinoparcClient implementations20,271AGPL-3.0-or-later etwin_dinoparc_storeDinoparc store implementation21,473AGPL-3.0-or-later etwin_dinorpg_clientDinoparcClient implementations9,950AGPL-3.0-or-later etwin_email_formatterEmail formatter for Eternaltwin emails12,517AGPL-3.0-or-later etwin_forum_storeForum Store implementation8,751AGPL-3.0-or-later etwin_hammerfest_clientHammerfestClient implementations20,058AGPL-3.0-or-later etwin_hammerfest_storeHammerfest store implementation21,342AGPL-3.0-or-later etwin_link_storeLink store implementation18,921AGPL-3.0-or-later etwin_logStructured logs for etwin23,015AGPL-3.0-or-later etwin_mailerEmail formatter for Eternaltwin emails12,465AGPL-3.0-or-later etwin_mt_dnsDNS client for Motion-Twin's websites11,150AGPL-3.0-or-later etwin_mt_querystringMotion Twin querystring format support8,562AGPL-3.0-or-later etwin_oauth_clientRfcOauthClient implementations4,599AGPL-3.0-or-later etwin_oauth_provider_storeDinoparc store implementation12,525AGPL-3.0-or-later etwin_passwordPassword implementation20,829AGPL-3.0-or-later etwin_popotamo_clientDinoparcClient implementations10,310AGPL-3.0-or-later etwin_populateHammerfest store implementation24,470AGPL-3.0-or-later etwin_postgres_toolsHelper functions for Postgres26,270AGPL-3.0-or-later etwin_restHTTP REST interface for Eternal-Twin16,315AGPL-3.0-or-later etwin_scraper_toolsHelper functions for `scraper`26,709AGPL-3.0-or-later etwin_serde_toolsHelper functions for `serde`36,557AGPL-3.0-or-later etwin_servicesTop-level Eternal-Twin services18,236AGPL-3.0-or-later etwin_squirrelManager for SQL schemas34,873AGPL-3.0-or-later etwin_token_storeToken store implementation18,708AGPL-3.0-or-later etwin_twinoid_clientDinoparcClient implementations11,975AGPL-3.0-or-later etwin_twinoid_storeTwinoid store implementation19,638AGPL-3.0-or-later etwin_user_storeSimple user service for Postgres (Rust)20,885AGPL-3.0-or-later etymQueries EtymOnline.com to look up etymologies for words4,526MIT Command line utilities etzCLI for coordinating git worktrees across multi-repo parent directories.69MIT Command line utilities etzi_publish_testsome test, package can be deleted afterwards1,159MIT eueu is a macro to transform functions into partially applicable structs1,944MIT OR Apache-2.0 eu4saveErgonomically work with all EU4 saves (ironman and multiplayer)52,169MIT Parsing tools eu_vat_idEuropean Union VAT ID validation/verification2,247MPL-2.0 Algorithms Parsing tools eucA software rendering crate that lets you write shaders with Rust142,085Apache-2.0 AND MIT euc_libEasy to use implementation of extended and normanl Euclidean algorithm26,608GPL-3.0 eucaA Rust WASM front end web framework.1,881MIT/Apache-2.0 WebAssembly euca-ecsArchetype-based ECS with generational entities, type-safe queries, change detection, and parallel iteration22MIT Data structures Game development euca-mathSIMD-ready game math: Vec2/3/4, Quat, Mat4, Transform, AABB — zero deps beyond serde81MIT Game development Mathematics euclidGeometry primitives49,516,711MIT OR Apache-2.0 Science euclid_macrosEuclid implementation detail419,307MIT / Apache-2.0 euclideanA collection of operations for euclidean geometry in three dimensions.1,579MIT Mathematics euclidean-rhythmGenerate Euclidean rhythms using Bjorklund's algorithm - musically interesting patterns for percussion and generative music27MIT Algorithms Multimedia::Audio euclidean_algoImplementation of the euclidean algorithm to find the greatest common divisor.5,132MIT euclidian-rythmsGenerate euclidian rythms using the Bjorklund's algorithm3,328MIT/Apache-2.0 Multimedia::Audio eudaemonclicli for eudaemon26Apache-2.0 eudaemonfsfilesystem for eudaemon204Apache-2.0 eudaemonshshell for eudaemon116Apache-2.0 eudaemontytypes for eudaemon374Apache-2.0 eudexA blazingly fast phonetic reduction/hashing algorithm.101,762MIT eugeneCareful with That Lock, Eugene25,877MIT Development tools eugener-testAn event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.754MIT Asynchronous Network programming euiExtended Unique Identifier (EUI)7,100MIT