All 305,250 crates, alphabetically

eta-coreEta calculus Core (no_std)471BSD-2-Clause eta-graphLow overhead graph library focused on performance2,603non-standard eta_obj_poolThread safe object pool1,390non-standard etaaA Rust tutorials: mix_color and miniquery1,599MIT etabliThe etabli AI workbench — umbrella crate of the etabli family (llm, agent, context, telemetry, embed, mcp). Name reservation —…18MIT OR Apache-2.0 etabli-agentAgent layer of the etabli AI workbench: tool-calling loop, tool registry and categories, guard hooks, agent definitions. Name…16MIT OR Apache-2.0 etabli-contextContext layer of the etabli AI workbench: layered prompt building, cache-breakpoint policy, token budgeting, compaction. Name…18MIT OR Apache-2.0 etabli-embedEmbedding layer of the etabli AI workbench: embedding and reranker providers, embedding cache, vector backend adapters. Name…16MIT OR Apache-2.0 etabli-llmMulti-provider LLM gateway of the etabli AI workbench: providers, streaming, tool calling, retries, prompt-cache mechanism,…18MIT OR Apache-2.0 etabli-mcpMCP layer of the etabli AI workbench: client and server conveniences over the official rmcp SDK. Name reservation — under active…17MIT OR Apache-2.0 etabli-telemetryMetering layer of the etabli AI workbench: pricing catalog, cost tracking, cache economics, latency. Name reservation — under…18MIT OR Apache-2.0 etagSimple ETag calculation implementation678,331BSL-1.0No standard library etag-actix-middlewareYet another actix-web middleware for managing ETag, If-Match and If-None-Match headers1,270Apache-2.0 etagereDynamic 2D texture atlas allocation using the shelf packing algorithm.4,979,982MIT OR Apache-2.0 etalon-cliLightning-fast privacy compliance and tracking detection CLI134MIT etalon-coreCore vendor and context intelligence engine for ETALON293MIT etalon-mcp-serverETALON Model Context Protocol (MCP) Server for AI native privacy analysis106MIT etalon-techscanBlazing fast asynchronous technology fingerprinting engine296MIT etcIt's time to bundle etc for your awesome project!237,587MIT etc-express-midiControl the ETC Express lighting console using MIDI commands.1,630MITAPI bindings etc-os-releaseParse /etc/os-release file136,777MIT OR Apache-2.0 etc-passwdGet user information stored in the password file `/etc/passwd`.45,743MIT OR Apache-2.0API bindingsOperating systems::Unix APIs etcdA client library for CoreOS's etcd.62,989MIT etcd-bin-vendoredetcd precompiled binaries bundled into a crate6,873Apache-2.0 etcd-bin-vendored-darwin-amd64etcd precompiled binaries bundled into a crate6,142Apache-2.0 etcd-bin-vendored-darwin-arm64etcd precompiled binaries bundled into a crate4,694Apache-2.0 etcd-bin-vendored-linux-amd64etcd precompiled binaries bundled into a crate7,658Apache-2.0 etcd-bin-vendored-linux-arm64etcd precompiled binaries bundled into a crate6,074Apache-2.0 etcd-bin-vendored-linux-ppc64leetcd precompiled binaries bundled into a crate6,140Apache-2.0 etcd-bin-vendored-linux-s390xetcd precompiled binaries bundled into a crate4,693Apache-2.0 etcd-bin-vendored-windows-amd64etcd precompiled binaries bundled into a crate6,235Apache-2.0 etcd-clientAn etcd v3 API client7,182,488MIT OR Apache-2.0 etcd-detectorAn etcd-based implementation of service registration and discovery.5,205MIT etcd-discoveryEtcd discovery and register for tonic7,991MIT OR Apache-2.0Web programming etcd-rsetcd client for rust195,655MIT etcd-txn-parserAn etcd transaction parser6,865non-standard etcdmqLightweight Message Queue backed by etcd1,658Apache-2.0Concurrency etcdobjA shared struct stored in etcd1,601Apache-2.0Concurrency etcdsAn etcd v3 API server - light server version for queue management49MIT OR Apache-2.0 etcdv3clienta simple etcdv3 client24,454MITAsynchronousNetwork programming etceteraAn unopinionated library for obtaining configuration, data, cache, & other directories86,410,400MIT OR Apache-2.0Configuration etcetera-compilerA Rust-based compiler project.1,454GPL-3.0-onlyCompilersDevelopment tools etchNot just a text formatter, don't mark it down, etch it.480,593MITText processing etchdbA fast, embedded database for Rust. Minimal dependencies. No C code. No build scripts.422MIT etchdb-deriveDerive macros for etchdb437MIT etchdnsA caching DNS proxy with advanced security features, WebAssembly hooks, and comprehensive protection mechanisms1,377MITCachingNetwork programming etcherWrite Virtual Machine images to metal via PXE1,515ISC etchlordA utility to write disk images to block devices and adjust them as necessary.1,617MITCommand line utilities etchrA fast, safe, and interactive CLI for flashing disk images.49MITCommand line utilitiesHardware support etclientA light client for Ethereum Classic built on top of SputnikVM and etcommon-worldstate storage.7,150Apache-2.0 etclient-coreCore functionality for etclient.2,136Apache-2.0 etcommonApache-2 licensed common Ethereum structs shared by crates.3,669Apache-2.0 etcommon-bigintBig integer (256-bit and 512-bit) implementation for SputnikVM and other Ethereum Classic clients.207,543Apache-2.0 etcommon-blockBlock and transaction types for Ethereum.128,629Apache-2.0 etcommon-block-coreCore block and transaction types for Ethereum.96,229Apache-2.0 etcommon-bloomLog bloom implementation for Ethereum.93,801Apache-2.0 etcommon-cryptoShortcuts and helper functions for various hash functions needed in Ethereum.3,918Apache-2.0 etcommon-hashShortcuts and helper functions for various hash functions needed in Ethereum.3,668Apache-2.0 etcommon-hexutilHex helper functions.364,858Apache-2.0 etcommon-rlpRecursive-length prefix encoding, decoding, and compression357,688MIT/Apache-2.0 etcommon-trieLightweight Ethereum world state storage.122,381Apache-2.0 etcommon-trie-testLightweight Ethereum world state storage.6,742Apache-2.0 etcommon-utilUtils for dealing with Ethereum structs.4,540Apache-2.0 etdThe Etby Standard Library1,804MIT OR Apache-2.0 eteText editor16MIT etebaseA Rust client library for Etebase16,784BSD-3-ClauseAPI bindingsCryptography etensorThe pure Rust tensor math and autograd engine (Public API Crate)20MIT OR Apache-2.0 etensor-coreThe pure Rust tensor math and autograd engine46MIT OR Apache-2.0 eterAn immutable persistent entry store protocol.75MIT eterm-parsereterm parser for Rust2,881MITParser implementations eternaA modern GameCube emulator written in Rust.1,292MIT eternalThe Eternal Framework11,150MITAsynchronousNetwork programming eternal-macroThe Eternal Framework7,094MITAsynchronousNetwork programming eternal_iteratorTrait implementation to promise that the iterator iterates forever.7,069MITAlgorithmsRust patterns eternalfest_auth_storeDinoparc store implementation6,302AGPL-3.0-or-later eternalfest_blob_storeSimple user service for Postgres (Rust)9,450AGPL-3.0-or-later eternalfest_buffer_storeSimple user service for Postgres (Rust)10,033AGPL-3.0-or-later eternalfest_cliCommand Line Interface for Eternalfest5,612AGPL-3.0-or-later eternalfest_configConfig crate for Eternal-Twin12,723AGPL-3.0-or-later eternalfest_coreCore crate for Eternalfest12,015AGPL-3.0-or-later eternalfest_db_schemaManager for Eternal-Twin SQL schemas11,947AGPL-3.0-or-later eternalfest_file_storeSimple user service for Postgres (Rust)8,209AGPL-3.0-or-later eternalfest_game_storeStore game data3,565AGPL-3.0-or-later eternalfest_run_storeStore run data1,649AGPL-3.0-or-later eternalfest_servicesTop-level Eternal-Twin services6,544AGPL-3.0-or-later eternalfest_session_storeSimple user service for Postgres (Rust)5,547AGPL-3.0-or-later eternalfest_user_storeSimple user service for Postgres (Rust)9,982AGPL-3.0-or-later eternals_password_generatorSimple Password Generator2,840MIT eternaltwin_appEternaltwin web application files9,966AGPL-3.0-or-later eternaltwin_auth_storeDinoparc store implementation9,111AGPL-3.0-or-later eternaltwin_cliCommand Line Interface for Eternaltwin8,948AGPL-3.0-or-later eternaltwin_clientEternaltwin client implementations2,619AGPL-3.0-or-later eternaltwin_configConfig crate for Eternal-Twin12,718AGPL-3.0-or-later eternaltwin_constantsHammerfest store implementation11,981AGPL-3.0-or-later eternaltwin_coreCore crate for Eternal-Twin14,854AGPL-3.0-or-later eternaltwin_db_schemaManager for Eternal-Twin SQL schemas12,283AGPL-3.0-or-later eternaltwin_dinoparc_storeDinoparc store implementation9,855AGPL-3.0-or-later eternaltwin_email_formatterEmail formatter for Eternaltwin emails9,232AGPL-3.0-or-later eternaltwin_forum_storeForum Store implementation9,146AGPL-3.0-or-later eternaltwin_hammerfest_storeHammerfest store implementation9,729AGPL-3.0-or-later eternaltwin_job_storeJob store implementation8,743AGPL-3.0-or-later eternaltwin_link_storeLink store implementation9,083AGPL-3.0-or-later eternaltwin_logStructured logs for etwin8,900AGPL-3.0-or-later eternaltwin_mailerEmail formatter for Eternaltwin emails9,193AGPL-3.0-or-later eternaltwin_mt_dnsDNS client for Motion-Twin's websites8,202AGPL-3.0-or-later eternaltwin_oauth_clientRfcOauthClient implementations9,188AGPL-3.0-or-later eternaltwin_oauth_provider_storeDinoparc store implementation9,168AGPL-3.0-or-later eternaltwin_passwordPassword implementation9,589AGPL-3.0-or-later eternaltwin_populateHammerfest store implementation11,473AGPL-3.0-or-later eternaltwin_postgres_toolsHelper functions for Postgres11,479AGPL-3.0-or-later eternaltwin_restHTTP REST interface for Eternal-Twin9,425AGPL-3.0-or-later eternaltwin_scraper_toolsHelper functions for `scraper`1,768AGPL-3.0-or-later eternaltwin_serde_toolsHelper functions for `serde`14,351AGPL-3.0-or-later eternaltwin_servicesTop-level Eternal-Twin services8,828AGPL-3.0-or-later eternaltwin_squirrelManager for SQL schemas12,729AGPL-3.0-or-later eternaltwin_systemHigh-level Eternaltwin system API8,329AGPL-3.0-or-later eternaltwin_token_storeToken store implementation8,876AGPL-3.0-or-later eternaltwin_twinoid_storeTwinoid store implementation9,403AGPL-3.0-or-later eternaltwin_user_storeSimple user service for Postgres (Rust)10,301AGPL-3.0-or-later eternityA Rust library to limit requests and cache results.1,775ISCAsynchronousCaching eternity-rsHuman and bot readable durations3,553MIT etestAllows to control behaviour of `#[test]` like functions12,618LGPL-3.0-or-later WITH LGPL-3.0-linking-exceptionDevelopment tools::Testing etest-deriveproc_macro part of 'etest'11,970GPL-3.0-or-later etest-implImplementation of etest's proc_macro part13,294GPL-3.0-or-later etest-teststestsuite for 'etest'4,450GPL-3.0-or-later etf-crypto-primitivescryptographic primitives for etf5,828GPL-3.0-only etf-matcher-vector-config-loaderDownload and parse ETF Matcher ticker vector configurations.3,401MIT etf-sdkAn API for calling etf crypto primitives for encryption and proof verification1,539GPL-3.0-only etf_balancerBalance a portfolio of ETFs across multiple accounts3,425MIT etffiEpochTech FFI98Apache-2.0 ethSecurity-first no_std facade for the evolving full Ethereum stack.1,498MIT OR Apache-2.0 eth-addressCollection of methods for validating an Ethereum 1 address4,511MIT eth-aliveA minimalist watchdog for Ethereum node monitoring44MITCommand line utilitiesNetwork programming eth-beacons-indoorMetadata of beacons located inside the buildings of ETH Zurich.10,647MIT eth-block-historyAn Ethereum reader library7,257non-standard eth-blockiesA pure Rust lightweight library/binary to get raw data of Ethereum-style blocky identicon, which can be used for generating…89,204MITCommand line utilitiesCryptography::Cryptocurrencies eth-chains-cliTool for querying ethereum-like chains' info12,887MIT OR Apache-2.0 eth-ecdsa-verifierA simple Ethereum ECDSA signature verifier1,308MITAuthenticationCryptography eth-encode-packedEasy to use replica of Solidity abi.encodePacked.35,376MIT eth-etl-coreCore types and utilities for Ethereum ETL567MITCommand line utilitiesDatabase interfaces eth-etl-exportersOutput exporters (CSV, JSON, PostgreSQL, Kafka, Pub/Sub) for Ethereum ETL281MITCommand line utilitiesDatabase interfaces eth-etl-jobsExport and extract jobs for Ethereum ETL201MITCommand line utilitiesDatabase interfaces eth-etl-mappersJSON to domain type mappers for Ethereum ETL354MITCommand line utilitiesDatabase interfaces eth-etl-rpcJSON-RPC batch provider for Ethereum ETL353MITCommand line utilitiesDatabase interfaces eth-etl-servicesBusiness logic services for Ethereum ETL281MITCommand line utilitiesDatabase interfaces eth-etl-streamingReal-time streaming infrastructure for Ethereum ETL121MITCommand line utilitiesDatabase interfaces eth-idZero-Knowledge Document Verification CLI and Library25MITCommand line utilitiesCryptography eth-igbIntel IGB Ethernet driver819MITEmbedded developmentNo standard library eth-intelIntel e1000 ethernet driver9,866MITEmbedded developmentNo standard library eth-jsonrpc-libethereuem jsonrpc relayer library7,921Apache-2.0 eth-jsonrpc-types-internalseth-jsonrpc-lib marco lib2,177Apache-2.0 eth-keystoreA minimalist library to interact with encrypted JSON keystores9,202,730Apache-2.0 eth-mdio-phyMDIO-based Ethernet PHY traits and IEEE 802.3 helpers for no_std142GPL-2.0-or-later OR Apache-2.0Embedded developmentHardware support eth-phy-lan867xLAN8670/8671/8672 10BASE-T1S Ethernet PHY driver for no_std over MDIO38GPL-2.0-or-later OR Apache-2.0Embedded developmentHardware support eth-phy-lan87xxLAN8720A/8710A/8740A/8742A Ethernet PHY driver for no_std over MDIO75GPL-2.0-or-later OR Apache-2.0Embedded developmentHardware support eth-pricesA library for fetching Ethereum prices.276LGPL-3.0 eth-rlp-verifyEthereum block header verification across multiple eras using RLP encoding and Keccak256 hashing.1,164MITCryptographyData structures eth-secp256k1Fork of Rust bindings for Pieter Wuille's `libsecp256k1` library. Implements ECDSA for the SECG elliptic curve group secp256k1…3,295CC0-1.0 eth-signature-verifierUniversal Etheruem signature verification with ERC-64922,779MIT eth-state-client-libAn Ethereum reader library7,166non-standard eth-state-diffMinimal-allocation delta encoding for Ethereum consensus state, optimized for archival storage and zstd compression.45MIT OR Apache-2.0CompressionCryptography::Cryptocurrencies eth-state-foldAn Ethereum reader library6,721non-standard eth-state-fold-typesAn Ethereum reader library9,824non-standard eth-state-server-commonAn Ethereum reader library8,185non-standard eth-state-server-libAn Ethereum reader library5,856non-standard eth-stealth-addressesstealth addresses library for ethereum, implementing ERC-5564 over secp256k1 in rust2,655MIT eth-stealth-gas-ticketsstealth gas tickets library for ethereum using blind RSA signatures in rust6,160MIT eth-trie-proofsEthereum Transaction Trie Proofs8,032non-standardCryptographyData structures eth-twc-sdkRust SDK for TransferWithCommitment (TWC): EIP-712 signing, contract calls, and receipt verification18MIT OR Apache-2.0 eth-tx-managerA library for submitting transactions to the blockchain.8,021Apache-2.0 eth-utils...9,842MITAlgorithmsData structures eth-valkyoth-codecBounded no_std Ethereum wire codec policy.932MIT OR Apache-2.0 eth-valkyoth-deriveOptional sanitization and RLP derive macros for eth.221MIT OR Apache-2.0 eth-valkyoth-evmExplicit no_std EVM execution boundary for eth.187MIT OR Apache-2.0 eth-valkyoth-evm-coreDependency-free no_std Ethereum EVM core domains for eth.515MIT OR Apache-2.0 eth-valkyoth-hashno_std Ethereum Keccak-256 hashing trait boundary.616MIT OR Apache-2.0 eth-valkyoth-primitivesCore no_std Ethereum protocol primitives.1,001MIT OR Apache-2.0 eth-valkyoth-protocolFork-aware no_std Ethereum protocol validation state.962MIT OR Apache-2.0 eth-valkyoth-rethFuture Reth integration boundary for eth.102MIT OR Apache-2.0 eth-valkyoth-rpcFuture RPC trust-policy boundary for eth.123MIT OR Apache-2.0 eth-valkyoth-sanitizationOptional sanitization bridge for eth secret-bearing Ethereum data.261MIT OR Apache-2.0 eth-valkyoth-signerFuture signer isolation boundary for eth.234MIT OR Apache-2.0 eth-valkyoth-testkitTesting helpers and future Ethereum conformance fixtures for eth.105MIT OR Apache-2.0 eth-valkyoth-verifyno_std Ethereum verification boundaries.856MIT OR Apache-2.0 eth-vanityFast Ethereum vanity address miner. Supports wallet addresses, CREATE, and CREATE2.100MITCommand line utilitiesCryptography eth2_hashingHashing primitives used in Ethereum 2.0186,936Apache-2.0 eth2_serde_utilsSerialization and deserialization utilities useful for JSON representations of Ethereum 2.0 types.155,519Apache-2.0 eth2_sszSimpleSerialize (SSZ) as used in Ethereum 2.062,021Apache-2.0 eth2_ssz_deriveProcedural derive macros to accompany the eth2_ssz crate.168,976Apache-2.0 eth2_ssz_typesProvides types with unique properties required for SSZ serialization and Merklization.125,959Apache-2.0 eth_checksumEthereum address checksum39,705MIT eth_event_macroMacro deriving utility functions based on solidity event declaration.2,357MIT eth_event_streamSynchronized multiple type ethereum event streaming for arbitrary time frames.1,664MIT eth_gas_botPleroma bot for sending gas price alerts.2,724AGPL-3.0-onlyCommand line utilities eth_merkle_treeA Rust library for constructing and working with Ethereum Merkle Trees.9,490MIT eth_pairingsEIP1962 reference implementation4,843Apache-2.0 eth_pairings_cppEIP1962 reference implementation in C++1,842Apache-2.0 eth_pairings_repr_deriveFixed size big integer representation derivation macro2,891Apache-2.0 eth_rpcsimple eth rpc with helper functions20,962MIT OR Apache-2.0 eth_trieEthereum-compatible Merkle-Patricia Trie.188,871Apache-2.0