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.

eigensdk-signerv2Eigen Layer SDK signer utilities2,584non-standard eigensdk-txmgrEigenSDK TxMgr1,945non-standard eigensdk-typesEigen Layer types1,993non-standard eigenstatewfc1,584MIT OR Apache-2.0 eigenvaluesalgorithms to compute eigenvalue/eigenvectors of symmetric matrices14,619Apache-2.0Science eightModular asynchronous embedded key-value database3,448BSD-3-ClauseData structuresDatabase implementations eight-booleansA small Rust library to store and manipulate 8 booleans in a single byte.79MITAlgorithmsData structures eight-deep-parserDpkg info parser10,112MIT eight-engineeight1,547MIT eight-pointEight-point algorithm for essential matrix estimation16,284MITAlgorithmsComputer vision eight-puzzleEight puzzle game written in Rust with piston window.1,761GPL-3.0 eight-puzzle-coreCore funcionality for my eight-puzzle game.3,583MIT OR Apache-2.0 eight-segmentControl 8-segment hex single-digit displays2,050MITEmbedded developmentHardware support eight-serveExpose eight to web2,799BSD-3-Clause eight_ballMimics the original magic eight ball game.11,776Apache-2.0 eight_bytesSIMD-like (SWAR) operations on vectors of eight bytes without using native SIMD instructions.1,302MIT eight_moduleUma biblioteca para operações matemáticas simples. Ideal para quem busca facilidade e eficiência em cálculos básicos.555MITAlgorithmsMathematics eightbitbeats8BitBeats: A terminal-based 8-bit music generator and player with TUI. Generate, customize, and replay chiptune tracks.1,000MIT eightfetchBlazing fast system fetch tool — 63x faster than myfetch (C), 2.4x faster than fastfetch145MITCommand line utilities eightfold3D space partitioning library1,613LGPL-3.0-or-laterData structuresGame development eightyStatic website generator, mainly for the Core Paper project.46GPL-3.0-or-later eighty-threeDoesn't do anything yet. keep scrolling.1,508AGPL-3.0-only eightysevenRead and write gro files, pretty quickly.7,364MITParser implementationsScience eigsFind Eigenvalues and Eigenvectors with Rust using UMFPACK + ARPACK4,056 LGPL-2.1-only eigs-rseigs-rs was moved to eigs: https://crates.io/crates/eigs2,469 LGPL-2.1-only eikAn AI agent framework for Rust19MITAsynchronousDevelopment tools eikonHigh performance rendering engine. Supports both CPU and GPU rendering1,271non-standard eikonalFast Marching Method for eikonal distance fields plus weighted grid shortest paths for routing19MIT OR Apache-2.0AlgorithmsScience::Geospatial eiktyrnerSimple http client based on Hyper. Mainly ment to consume JSON apis.42,934MIT eilmeldunga feature-rich TUI RSS Reader based on the news-flash library1,243GPL-3.0-or-laterCommand line utilities eilpxCommand line tool to pixel sort images based on colour, alpha, or luma values.6,824ISC eimageLibrary for processing image collections in 3D space.5,376MIT OR Apache-2.0 eimage-cliCLI tool for processing image collections in 3D space.2,829MIT OR Apache-2.0 eimage-coreCore primitives and operations for processing image collections in 3D space.5,876MIT OR Apache-2.0 eimage-ioIO operations for processing image collections in 3D space.5,639MIT OR Apache-2.0 eimgRust Image APIs and pixel type for working with image processing.5,027MIT einU.S. Employer Identification Number (EIN) parsing and validation159Apache-2.0Parsing toolsValue formatting ein-ffiFFI library for Ein programming language32,936MIT eindir-coreTyped primitives for ND objective functions and bounded sampling.528MITMathematicsScience einerInternal Utils tooling8,737MIT einfach-xml-builderA lightweight and intuitive library for generating XML documents in Rust1,583MIT OR Apache-2.0Parsing tools eingangTake notes using Zettelkasten method with Markdown files (base).3,177MIT eingang-backendTake notes using Zettelkasten method with Markdown files (backend).1,755MIT eingang-frontendTake notes using Zettelkasten method with Markdown files (frontend).1,732MIT eink-imageA Rust utility for converting images to formats optimized for eink displays876MITEmbedded developmentGraphics eink_waveshare_rsmoved10,211ISC einmaligA tiny crate that allows unsizing `FnOnce` functions without boxing.426MIT OR Apache-2.0 einopsSimplistic API for deep learning tensor operations6,923MIT OR Apache-2.0AlgorithmsMathematics einops-macrosSimplistic API for deep learning tensor operations3,624MIT OR Apache-2.0AlgorithmsMathematics einstackGenerative AI Developer Tools.1,379Apache-2.0Web programming einsteinTime and Size of structs logging library1,694MIT OR Apache-2.0Date and time einstellungA Rust Configuration Parser143MIT OR Apache-2.0 einstellung_deriveProc-Macro crate for einstellung200MIT OR Apache-2.0 einsumA Rust implementation of `numpy`'s Einstein summation convention for the `ndarray` crate with compile-time path optimization.1,747ISC einsum-codegenHelper for generating einsum implementation using proc-macro3,127MIT OR Apache-2.0AlgorithmsScience einsum-deriveProc-macro based einsum implementation2,599MIT OR Apache-2.0AlgorithmsScience einsum_implMacro crate impl for `einsum`3,415ISC eintFixed-size signed/unsigned big integers.17,316MITNo standard library einvoiceE-Invoice library with language bindings1,947MIT einvoice_deps_yaserdeSerialization and deserialization library7,362MIT einvoice_deps_yaserde_deriveSerialization and deserialization macros7,603MIT einwurfMinimal unauthenticated web UI to accept and forward notes2,768MIT eioRead and write numbers in big-endian and little-endian.13,313MIT OR Apache-2.0EncodingNetwork programming eio-ghostsEIO GitHub Org Secrets Translation Service5,612MIT eio-okta-apiAPI Types for Okta4,284MIT OR Apache-2.0 eio-okta-clientOkta Client Library and CLI4,030MIT OR Apache-2.0 eio-okta-dataData Types for Okta4,498MIT OR Apache-2.0 eio-okta-synca VERY specific way to turn Okta Users and Groups into GitHub Members and Teams9,744MIT OR Apache-2.0 eiocAsync Engine.IO client implementation for Sioc226MIT OR Apache-2.0AsynchronousNetwork programming eip-152eip-512 blake2 F compression function7,427GPL-3.0 eip-712eip-712 encoding12,451GPL-3.0 eip-utilsEthereum Improvement Proposal helpers.8,079Apache-2.0 eip1024-rsEIP-1024 Rust implementation1,447non-standard EIP1193This package implementated a bridge for Etherum Provider (EIP1193).2,437GPL-2.0WebAssemblyWeb programming eip4844This crate provides an implementation of the cryptography needed for EIP-4844175,171MIT eip55EIP-55 checksum and validator432,399MIT eip681Parsing functions and data types for Ethereum EIP 681 Payment Request URIs1,335MIT OR Apache-2.0Cryptography::Cryptocurrencies eip712tool to generate EIP-712 compatible Solidity7,340MPL-2.0 eip712-clitool to generate EIP-712 compatible Solidity1,645MPL-2.0 eip712_enceip-712 encoding3,950GPL-3.0 eip7594This crate provides an implementation of the cryptography needed for EIP-75946,493MIT eip7702resetA CLI to inspect, set, and clear EIP-7702 delegations.324MITCommand line utilitiesCryptography::Cryptocurrencies eip8004ERC-8004: Trustless Agents399MIT/Apache-2.0 eip_1024EIP-1024 encryption3,051GPL-3.0 eip_712_utilsA Rust library providing utilities for EIP-712 message signing1,428MITCryptography eipsEfficient intention-preserving sequence CRDT2,531AGPL-3.0-or-later WITH AdditionRef-Eips-exceptionsConcurrencyData structures eipvEthereum Improvement Proposal validator19,274MIT OR Apache-2.0Command line utilities eipwEthereum Improvement Proposal linter that's one more than eipv5,657MPL-2.0 eipw-lintlibrary of lints for eipw, the Ethereum Improvement Proposal validator7,779MPL-2.0 eipw-preamblepreamble parser for eipw, the Ethereum Improvement Proposal validator6,570MPL-2.0 eipw-snippets(Hopefully) thin wrapper around annotate-snippets4,917MIT OR Apache-2.0 eiraAnsi-colored error reporting output22,588MIT eircEvent-based/Extensible Internet Relay Chat library.2,717BSL-1.0 eireneA work in progress command framework for serenity and twilight1,662LGPL-3.0-or-later eisA simple code watcher1,659MIT eiseneisen is a simple application/game engine1,683MIT eisenbahnWork in progress1,257non-standard eisensteinZero-drift hexagonal lattice constraints via Eisenstein integers — exact arithmetic for safety-critical systems138MIT OR Apache-2.0Embedded developmentMathematics eisodosA custom entrypoint for Solana programs1,248Apache-2.0 eitherThe enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.862,156,977MIT OR Apache-2.0Data structuresNo standard library either-bothAn enum similar to the well-known `Either`, but with a `Both` variant360MIT OR Apache-2.0Data structuresNo standard library either-futureAn implementation of Future for Either<impl Future, impl Future>.4,798ISC either-or-bothThe enums EitherOrBoth with the three variants Left, Right, Both and Either with the Left and Right variants64,887Apache-2.0 OR MITData structuresNo standard library either-slotAn atomic slot whose senders can either place their value into the slot, or retrive all the data from the slot.5,560MIT OR Apache-2.0ConcurrencyData structures either_fieldMacro for generating different types off of a template struct2,343GPL-3.0-onlyData structuresDevelopment tools::Build Utils either_nAn Either enum with N variants167,171MIT/Apache-2.0 either_ofUtilities for working with enumerated types that contain one of 2..n other types.1,803,401MIT either_trait_macroAn attribute-like macro to implement traits for Either.3,117MIT eitherableExtension trait to create the `either` type from booleans. (and maybe other types)1,634MIT OR Apache-2.0 eitherqQueue which support two different types.4,2020BSDData structures eitypeA wtype-like CLI tool and library for typing text using Emulated Input (EI) protocol on Wayland657Apache-2.0API bindingsCommand line utilities eixLibrary for handling the EIX-file format of Gentoo Linux192MIT OR Apache-2.0Operating systems::Linux APIsParsing tools eizsome more code6,394MIT ejedge data engine4,672MIT OR Apache-2.0 ej-authAuthentication utilities for the EJ framework, including JWT management and password hashing.2,185MIT ej-builder-sdkSDK for creating applications that interface with EJB2,922MIT ej-configConfiguration structures and utilities for EJ builder configurations.2,011MIT ej-dispatcher-sdkSDK for creating applications that interface with EJD2,686MIT ej-ioProgram management utilities for the EJ framework1,760MIT ej-requestsHTTP request handling utilities for the EJ framework.1,214MIT ejbThe EJ Builder (EJB) application for managing build processes and board communication5,435MIT ejcliCommand-line interface for the EJ framework. Mainly used to setup and interface with EJD466MIT ejdbBindings for EJDB, and embedded JSON database26,724MIT ejdb-sysNative bindings for libejdb9,292MIT ejdb2Binding for EJDB2, a single file embedded no-sql database7,983MIT ejdb2-sysRust binding for EJDB22,801MIT ejdb2-sys-windowsRust binding for EJDB2109,330MIT ejdict_rsThis library is an English-Japanese dictionary that can be used via implemented API by Rust language.6,333MIT ejdict_rs_coreThis library is detailed implementation of ejdict-rs.5,474MIT ejectA crate to control the tray of your CD drive15,205MITHardware support ejectestExtract inline #[cfg(test)] mod tests into separate _tests.rs files.57MITCommand line utilitiesDevelopment tools ejemplo_repoCrate de prueba.986MIT ejlvA command-line interface tool for dispatching jobs to [EJD](https://github.com/embj-org/ej) (EJ Dispatcher) in the…1,971non-standard ejniLibrary to make working with JNI more pleasant3,016MIT OR Apache-2.0API bindings ejstmpl2,818Apache-2.0 ejsonManage encrypted secrets using public key encryption249MITCommand line utilitiesCryptography ekaA datastructure for an array-backed O(1) mapping between enum variants and array indexes.4,879MIT OR Apache-2.0 eka_deriveMacros for Enum Key Array (EKA) crate2,532MIT OR Apache-2.0 ekegeReserved for an unpublished project1,093Apache-2.0 ekege-artifactGeneral-purpose build artifact generation crate1,259Apache-2.0 ekege-macrosProcedural macros for Ekege: An E-graph library that's built like a database1,272Apache-2.0 ekerosimple http routing4,870non-standard ekeyA `no_std` library for parsing EKEY LAN Converter packets.10,389MIT OR Apache-2.0 ekfekf15MIT ekg-errorError types for the EKG project17,676non-standard ekg-identifierA library for generating and parsing EKG identifiers13,834non-standard ekg-metadataThe basic EKG metadata classes and OWL-axiom IRIs8,658non-standard ekg-namespaceAll standard EKG namespaces and OWL axiom IRIs for EKG5,623non-standard ekg-sparqlSPARQL utility functions13,076non-standard ekg-utilA library with some low-level simple utility functions used by the other ekg-* crates14,185non-standard ekiEki is a solver for steady and transient flow in fluid networks.3,146GPL-2.0-or-later WITH Bison-exception-2.2 ekiden-grpcioThe rust language implementation of gRPC, base on the gRPC c core library.13,305Apache-2.0AsynchronousNetwork programming ekiden-grpcio-sysFFI bindings to gRPC c core library13,467Apache-2.0External FFI bindingsNetwork programming ekkoEkko is a simple and light utility for sending echo requests.22,746MIT ekoEvolution Kernel Operators21,657GPL-3.0-or-laterScience eko-coreA pure state-graph execution engine for building AI agents in Rust25MITAlgorithmsAsynchronous eko-core-deriveDerive macros for eko-core State trait95MITDevelopment tools::Procedural macro helpers eko-gcScoped garbage collector3,443AGPL-3.0 eko-gc-deriveScoped garbage collector3,393AGPL-3.0 ekodb_clientOfficial Rust client library for ekoDB - A high-performance database2,901MITAPI bindingsDatabase interfaces ekoreEKO expressions17,803GPL-3.0-or-laterScience ekore_capiC API for the ekore crate13GPL-3.0-or-laterScience ekphosA lightweight, fast, terminal-based markdown research tool inspired by Obsidian2,408MITCommand line utilitiesText editors ekretaE-Kréta API13,363MITAPI bindings eks-blueprints-rust-sdkRust client for EKS Blueprints gRPC API3,943Apache-2.0Development tools eksupA CLI to aid in upgrading Amazon EKS clusters13,795Apache-2.0Command line utilitiesText processing ektLightweight tool to generate ethereum keys and addresses.6,927GPL-3.0-or-laterCommand line utilities ekubo_sdkTypes for interacting with Ekubo Protocol on Starknet & EVM chains54,794LGPL-2.1 ekusupsimple expression language1,531MITParser implementations ekvKey-value database for embedded systems, for raw NOR flash, using an LSM-Tree6,644MIT OR Apache-2.0AsynchronousDatabase implementations ekv-fsA chunked, #![no_std] Virtual File System built on top of the Embassy ekv key-value store.24MIT OR Apache-2.0Embedded developmentFilesystem ekvsbBenchmark Tool for Embedded Key-Value Stores available in Rust19,279MIT ekzg-bls12-381This crate provides the internal implementation of the BLS12-381 curve for the Eth KZG project.177,091MIT ekzg-erasure-codesThis crate provides an implementation of erasure encoding and decoding175,915MIT ekzg-maybe-rayonThis crate provides an implementation of a wrapper around the rayon crate176,799MIT ekzg-multi-openThis crate provides a multi-opening algorithm for KZG10 using FK20175,097MIT ekzg-polynomialThis crate provides utility methods that are needed for Polynomial objects176,507MIT ekzg-serializationThis crate provides serialization utility methods for EIP4844 and EIP7594175,735MIT ekzg-single-openThis crate provides a single-opening algorithm for KZG10175,449MIT ekzg-trusted-setupThis crate provides utility methods to parse the Ethereum trusted setup file175,457MIT elWrite and manipulate HTML elements as data4,848MIT OR Apache-2.0Template engineWeb programming el-cloudFrontier LLM cloud backend over reqwest — OpenAI, Anthropic, Gemini, Ollama (ADR-010).158Apache-2.0 el-coreShared domain vocabulary for the Edge-Native LLM SDK (ADR-007/008).454Apache-2.0 el-engine-candleRuntimeAcl: InferenceEngine over Candle — real CPU forward (ADR-002).153Apache-2.0 el-ffiHost bindings: uniffi-bindgen-react-native (RN), flutter_rust_bridge v2 (Flutter), wasm-bindgen (web) — ADR-001/009.109Apache-2.0 el-grammarPure-Rust DFA/regular-grammar token masking (Grammar Constraint context).117Apache-2.0 el-macroa dumb macro collection for anti-idiomatic rust programming2,275MIT el-memoryStatic memory planning + zero-allocation arena + KV compaction (ADR-003).266Apache-2.0 el-provenanceModel signature verification gate — Conformist load gate (ADR-006).301Apache-2.0 el-provenance-ed25519Real ED25519 SignatureVerifier over ed25519-dalek (ADR-006).114Apache-2.0 el-runtimeInference session lifecycle + decode-loop orchestration (ADR-001/004).211Apache-2.0 el-safetyOn-device tiered decoder-time safety (ADR-005).273Apache-2.0 el-slugifyURL slug generator utility. Slugs are generated efficiently, fast, they are transliterated and sanitized for use in URLs.9,083MIT el-telemetryContent-free, one-way telemetry collector (ADR-007).154Apache-2.0 el_roiA crate to simplify reading user input756MIT el_stdAn assortment of useful rust utilities complementing some builtin and third party rust crates17Apache-2.0 el_std_macrosMacros for el_std26Apache-2.0 elahigh perference proxy2,027MIT elaborateWrappers for standard library functions and types to produce more elaborate error messages17,964MIT OR Apache-2.0 elabs-cryptoElabs crypto package: crypto utilities1,661GPL-3.0-or-later