All 305,250 crates, alphabetically

econfLoad environment variables into your struct members in one shot.188,842MIT econf-deriveLoad environment variables into your struct members in one shot.188,497MIT economic_indicator_finderA finder for extracting economic indicators from paragraphs2,672MITText processing econtextFast and simple error context on panics1,660,981MIT OR Apache-2.0Development tools::Debugging ecoordLibrary for transforming between 3D coordinate frames.11,760MIT OR Apache-2.0 ecoord-cliCLI tool for transforming between 3D coordinate frames.3,909MIT OR Apache-2.0 ecoord-coreCore primitives and operations for transforming between 3D coordinate frames.12,319MIT OR Apache-2.0 ecoord-ioIO operations for transforming between 3D coordinate frames.11,981MIT OR Apache-2.0 ecoord-transformSupplementary operations for transforming between 3D coordinate frames.11,958MIT OR Apache-2.0 ecopay2Test project on regen/cosmos with cosmwasm1,690Apache-2.0 ecopycopy stdin to the system clipboard1,664MIT ecoreno_std bit-level integer types, bitfield structs/enums, ranged integers, and enum maps19MITData structuresEmbedded development ecore-macroProcedural macros for ecore: bitfield structs/enums, enum maps, and ranged integers21MITEmbedded developmentNo standard library ecore_rsA parser for the Eclipse Modeling Framework Ecore format.1,672LGPL-3.0-or-laterEncodingParser implementations ecos-ebuiembedded-hal st7735 ui support for ecos27MIT OR Apache-2.0 ecos-macrosRust SDK Macros for ECOS StarrySky C1307MIT OR Apache-2.0 ecos-rsBindings to the ECOS convex second-order cone program solver1,859MITAlgorithmsAPI bindings ecos-ssc1Rust SDK for ECOS StarrySky C1182MIT OR Apache-2.0Embedded development ecosystemA small genetic algorithms library.1,990non-standard ecotokensToken optimizer for AI coding assistants — hooks into Claude Code/Gemini CLI to compress shell outputs and track USD savings408MITCommand line utilitiesDevelopment tools ecoute_en_continu_tableau_byte_udpa package that send random number to udp and listen to udp then show the bytes catched21MIT OR Apache-2.0 ecowCompact, clone-on-write vector and string.4,676,277MIT OR Apache-2.0Data structuresNo standard library ecowitt-mqttUpdate Homeassistant with data from your Ecowitt device6,515AGPL-3.0 ecoz2Linear Predictive Coding Vector Quantization and Hidden Markov Modeling for Pattern Recognition6,069MIT OR Apache-2.0 ecpeasily build compiler plugins.5,660MIT ecpdapProgram ECP5 FPGAs using CMSIS-DAP probes13,517Apache-2.0 OR MIT ecpoolThread pool for managing executions of erasure coding12,656MITConcurrencyEncoding ecr-dumpDump all ECR image manifests locally2,216MIT ecr17-protocolItalian ECR17 payment protocol (Nexi Group POS terminals) over LAN — pure-Rust protocol engine plus an async client and an…25MITAPI bindingsEncoding ecrouÉcrou is an open source command line tool to edit meeting reports1,532GPL-3.0-or-laterCommand line utilitiesText editors ecrousWeb framework on stereoids for Rust1,408Apache-2.0 ecrsEvolutionary computation tools & algorithms7,696MIT OR Apache-2.0Science ecrt_sysThe ECERE SYS crate1,883non-standard ecrustUmbrella crate re-exporting the ecrust field, curve, isogeny, and protocol crates.23Apache-2.0 ecrust-ecElliptic-curve abstractions and point arithmetic for the ecrust ecosystem.145Apache-2.0 ecrust-fpFinite field arithmetic for the ecrust ecosystem.181Apache-2.0 ecrust-isogenyIsogeny abstractions and scaffolding for the ecrust ecosystem.74Apache-2.0 ecrust-protocolProtocol-oriented building blocks built on top of the ecrust field and curve crates.73Apache-2.0 ecryptCLI tool to easily encrypt and decrypt files or directories1,604non-standard ecsAn Entity Component System (ECS) Framework75,796MIT ecs-jumperGenerate awscli connection strings to running ECS tasks4,122MIT OR Apache-2.0 ecs-lib-rsAn Entity Component System (ECS) Framework for learning.3,003MIT ecs-loggerA logger compatible with Elastic Common Schema (ECS) Logging32,986MIT OR Apache-2.0Development tools::Debugging ecs-rsA super-simple entity-component system in Rust6,186GPL-3.0 ecs-tinyA minimal ECS supporting entity and component insertion/removal, association, and single-type iteration.5,046MITData structuresGame development ecs_game_in_rustThis is a Entity Compnent System map for games (a simple test for rust programming)4,002MIT ecs_girvel_commonCommon types for ecs_rs1,521MIT ecs_helpersA tool for managing the deployment process of an application in Amazon Elastic Container Service (ECS)5,033MIT ecs_metadataA simple wrapper to expose ECS container metadata1,756MITAPI bindingsAsynchronous ecs_rustECS in Rust6,590MIT ecs_typesRust types mapping to the elasticsearch common schema3,421Apache-2.0 ecsactEcsact rust support crate3,105MIT ecsact_dylib_runtimeEcsact runtime dylib wrappers for rust2,071MIT ecsact_macroEcsact proc macros2,108MIT ecsact_rust_codegenEcsact rust code generator1,538MIT ecscopeecscope lets you monitor AWS ECS resources from the terminal2,512MITCommand line utilities ecsilarantSketch of an ECS for the future666MIT-0 ecsimpleRust simple implementation for Elliptic Curve Cryptography3,903MIT/Apache-2.0 ecsonECS-driven stateful bidirectional server framework for Rust110MITAsynchronousNetwork programming ecson_coreCore types and application runner for the Ecson server framework251MITAsynchronousNetwork programming ecson_ecsECS types, events, resources, and built-in plugins for the Ecson server framework201MITAsynchronousNetwork programming ecson_macrosDerive macros for the Ecson server framework (reserved for future use)110MITAsynchronousNetwork programming ecson_networkWebSocket and WebTransport server implementations for the Ecson server framework148MITAsynchronousNetwork programming ecsrecsr is a tool that makes it easy to execute the ecs execute command1,522MIT ecstEthereum contract storage tool - placeholder1,515GPL-3.0-or-laterCommand line utilities ecstasyA fork of the modular, expandable, gallery collector named Kyanite6,569GPL-3.0 ecstaticStatically-typed ECS library3,015Apache-2.0Data structuresGame development ecsxEntity Component System eXtended46MITData structuresGame engines ecsx-macrosProcedural macro definitions for ecsx68Apache-2.0 ectoPlaceholder1,628Apache-2.0 OR MIT ectokenToken Generator for Edgecast Token-Based Authentication16,408Apache-2.0 ectoplasmLibrary to draw on https://ghost.life1,699MIT ectorEctor is an open source async, no-alloc actor framework for embedded devices.210,310Apache-2.0 ector-macrosEctor is an open source async, no-alloc actor framework for embedded devices.210,791Apache-2.0 ecu-udsA ECU-UDS protocol.8,371GPL-3.0 ecu_diagnosticsA rust crate for ECU diagnostic servers and communication APIs84,595GPL-3.0-only ecuforge-cliecuforge — command-line front-end for hardware-agnostic ECU ROM analysis (diff, identify, checksum, maps, def, log). Pre-1.0;…21MITCommand line utilitiesParsing tools ecuforge-coreHardware-agnostic ECU ROM analysis primitives — byte diffing, SUM16 checksums, reset-vector/MCU heuristics, and a TOML…28MITDevelopment toolsEmbedded development ecvrfA curve25519+SHA3 verifiable random function21,158GPL-3.0-or-later ecvrf-rsElliptic Curve VRF implemented in Rust4,129Apache-2.0Cryptography eczkpA library for Zero Knowledge Proof protocols using elliptic curves2,243GPL-3.0-or-laterCryptography eczn_helloeczn's first crate1,810MIT edEncode and Decode traits128,600MIT ed-deriveDerive macros for the ed crate129,123MIT ed-exobiologyProvides logic for predicting the species that could spawn on a planet38MIT ed-journalsProvides models for representing and parsing elite dangerous journal files18,704MIT ed-stateCrate for collecting incremental game updates into long-lived models17MIT ed-system-searchFind interesting systems in the EDSM data dump85,857CC0-1.0Command-line interfaceCommand line utilities ed0oPolymodal — coordination layer for the agent era. polymodal.live20MIT OR Apache-2.0Game enginesSimulation ed2Encode and Decode traits11,798MIT ed2-deriveDerive macros for the ed2 crate12,429MIT ed25519Edwards Digital Signature Algorithm (EdDSA) over Curve25519 (as specified in RFC 8032) support library providing signature type…186,269,214Apache-2.0 OR MITCryptographyNo standard library ed25519-axolotlEd25519-like signatures with X25519 keys, Axolotl-style.20,847Apache-2.0AlgorithmsCryptography ed25519-bip32Ed25519 BIP32598,456MIT OR Apache-2.0Cryptography ed25519-bip32-coreEd25519 BIP3214,130MIT OR Apache-2.0Cryptography ed25519-compactA small, self-contained, wasm-friendly Ed25519 implementation15,038,131MITAlgorithmsCryptography ed25519-consensusEd25519 suitable for use in consensus-critical contexts.8,693,073MIT OR Apache-2.0 ed25519-consensus-whsEd25519 suitable for use in consensus-critical contexts.1,166MIT OR Apache-2.0 ed25519-dalekFast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust.174,769,652BSD-3-ClauseCryptographyNo standard library ed25519-dalek-bip32Simplified ed25519 BIP32 derivations13,542,922MIT OR Apache-2.0CryptographyNo standard library ed25519-dalek-bip32-blackSimplified ed25519 BIP32 derivations3,576MIT OR Apache-2.0CryptographyNo standard library ed25519-dalek-bip32-feelessSimplified ed25519 BIP32 derivations3,210MIT OR Apache-2.0CryptographyNo standard library ed25519-dalek-blake2-feelessA fork of ed25519-dalek specifically for the feeless (Nano cryptocurrency) crate, supporting blake2b in some functions.4,332BSD-3-ClauseCryptographyNo standard library ed25519-dalek-blake2bfork ed25519-dalek , replace sha512 to blake2b62,394BSD-3-ClauseCryptographyNo standard library ed25519-dalek-blake3fork ed25519-dalek , replace sha512 to blake312,653BSD-3-ClauseCryptographyNo standard library ed25519-dalek-cosiEdwards25519 Collective Signatures1,780MIT ed25519-dalek-dondiFast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust.2,097BSD-3-ClauseCryptographyNo standard library ed25519-dalek-fiatFast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust.1,564,469BSD-3-ClauseCryptographyNo standard library ed25519-dalek-hpkeHPKE encryption/decryption using `ed25519-dalek` keys via automatic X25519 conversion.8,563MITCryptography ed25519-dalek-v2Fast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust.2,835BSD-3-ClauseCryptographyNo standard library ed25519-dalek-xkeypairBIP32 implementation for ed25519-dalek key pairs.6,736MIT OR Apache-2.0CryptographyNo standard library ed25519-hd-keyRust implementation for SLIP-0010 using curve ed25519.2,578MIT OR Apache-2.0 ed25519-pokosreserved for future use16Apache-2.0 ed25519-v2Edwards Digital Signature Algorithm (EdDSA) over Curve25519 (as specified in RFC 8032) support library providing signature type…1,523Apache-2.0 OR MITCryptographyNo standard library ed25519-wasmEd25519 signatures for WebAssembly backed by linked lib25519 code28MITCryptographyWebAssembly ed25519-zebraZcash-flavored Ed25519 for use in Zebra.17,772,536MIT OR Apache-2.0 ed25519-zebra-rucZcash-flavored Ed25519 for use in Zebra.74MIT OR Apache-2.0 ed25519_encA Rust and Node.js library that facilitates secure encryption and decryption by converting Ed25519 keys to X25519 keys. It…1,197MIT OR Apache-2.0 ed25519_encryptionA Rust and Node.js library that facilitates secure encryption and decryption by converting Ed25519 keys to X25519 keys. It…2,412MIT OR Apache-2.0 ed25519_heaplessEd25519 signature verification and X25519 key exchange, generic over bigint backends2,451GPL-3.0-onlyCryptographyNo standard library ed25519_keygenLibrary for generating ed25519 signing keys from BIP-39 mnemonics or base64513MIT ed25519_ph_tmpl526BUSL-1.1 ed25519_to_curve25519Convert ed25519 keys and sign to curve2551911,827GPL-3.0CryptographyNo standard library ed2kAn implementation of the ED2K hash function3,937MIT OR Apache-2.0AlgorithmsCryptography ed448Edwards Digital Signature Algorithm (EdDSA) over Curve448 (as specified in RFC8032) support library providing signature type…333,128Apache-2.0 OR MITCryptographyNo standard library ed448-goldilocksA pure-Rust implementation of Ed448 and Curve448 and Decaf. This crate also includes signing and verifying of Ed448 signatures.2,652,263BSD-3-ClauseCryptography ed448-goldilocks-plusA pure-Rust implementation of Ed448 and Curve448 and Decaf. This crate also includes signing and verifying of Ed448 signatures.171,459BSD-3-ClauseCryptography ed448-rustImplementation of Edwards-Curve Digital Signature Algorithm (EdDSA) for ed448 only.5,090MIT/Apache-2.0 ed_joinA Rust Implemtation of Ed-Join Algorithm for string similarity join7,029Apache-2.0 OR MITAlgorithmsText processing ed_utlA small utility crate for embedded rust12MIT edaeda1,859MIT OR Apache-2.0 edarA tool to extract metadata from an audio file1,376MIT edban in-memory database1,689MIT OR Apache-2.0 edb-commonCommon utilities for EDB871AGPL-3.0 edb-derivean in-memory database4,204MIT OR Apache-2.0 edb-engineEDB's core analysis and instrumentation engine328AGPL-3.0 edb-rpc-proxyCaching RPC proxy server for EDB335AGPL-3.0 edb-tuiTerminal User Interface for EDB329AGPL-3.0 edc-connector-clientA Rust client for EDC17,624Apache-2.0 edc-connector-client-nextA Rust client for EDC309Apache-2.0 edc-connector-tuiA TUI client for EDC management APIs11,949Apache-2.0 edc-dataplaneAn EDC compatible dataplane2,349MIT OR Apache-2.0 edc-dataplane-coreAn EDC compatible dataplane3,082MIT OR Apache-2.0 edc-dataplane-macrosMacros for an EDC compatible dataplane1,809MIT OR Apache-2.0 edc-dataplane-proxyAn EDC compatible dataplane1,015MIT OR Apache-2.0 edc-dataplane-signalingAn EDC compatible dataplane1,224MIT OR Apache-2.0 edc-federated-catalog-clientA Rust client for EDC Federated Catalog52Apache-2.0 edc-web-uiA Rust Web interface with patternfly-yew client for EDC442Apache-2.0 edc2svdConvert register description from the EDC format to the SVD format8,456MITCommand line utilitiesDevelopment tools edcertA crate which can be used to sign and verify content based on Ed25519.40,760MIT edcert-compressorA crate to compress/decompress Edcert certificates.19,642MIT edcert-letterThis crate provides an abstraction over Edcert. You can use the Letter<T> type to sign and verify content using Edcert…16,430MIT edcert-restrevokeA crate for a REST-based revoke infrastructure for Edcert Certificates.18,014MIT eddA CLI Tool for Managing TODO.md Tasks5,695MIT eddaDecision memory for coding agents — CLI and TUI47MIT OR Apache-2.0Development tools edda-aggregateCross-repo aggregation queries and rollup statistics for Edda56MIT OR Apache-2.0Development tools edda-askCross-source decision query engine for Edda156MIT OR Apache-2.0Development tools edda-bridge-claudeClaude Code hooks, transcript ingest, and context injection for Edda150MIT OR Apache-2.0Development tools edda-bridge-codexCodex CLI hooks and context injection for Edda31MIT OR Apache-2.0Development tools edda-bridge-cursorCursor Agent hooks and context injection for Edda32MIT OR Apache-2.0Development tools edda-bridge-hermesHermes agent shell hooks and context injection for Edda31MIT OR Apache-2.0Development tools edda-bridge-openclawOpenClaw hooks and plugin for Edda56MIT OR Apache-2.0Development tools edda-chronicleChronicle synthesis engine for Edda - recap and cognitive zoom31MIT OR Apache-2.0Development tools edda-cliCLI for Edda — decision memory for coding agents22MITDevelopment tools edda-conductorMulti-phase plan orchestration for Edda70MIT OR Apache-2.0Development tools edda-coreCore event model, hash chain, and schema for Edda650MIT OR Apache-2.0Development tools edda-deriveView rebuilding and tiered history for Edda319MIT OR Apache-2.0Development tools edda-indexTranscript index for Edda394MIT OR Apache-2.0Development tools edda-ingestionIngestion trigger evaluation engine for Edda33MIT OR Apache-2.0Development tools edda-ledgerAppend-only SQLite ledger with hash-chained events for Edda477MIT OR Apache-2.0Development tools edda-mcpMCP server exposing Edda tools via JSON-RPC 2.074MIT OR Apache-2.0Development tools edda-notifyPush notification dispatch for edda workspace events53MIT OR Apache-2.0Development tools edda-packContext generation and budget controls for Edda244MIT OR Apache-2.0Development tools edda-postmortemL3 post-mortem analysis and learned rules with TTL decay for Edda53MIT OR Apache-2.0Development tools edda-search-ftsFull-text search powered by Tantivy for Edda69MIT OR Apache-2.0Development tools edda-serveHTTP API server for edda workspace30MIT OR Apache-2.0Development tools edda-storePer-user store with atomic writes for Edda615MIT OR Apache-2.0Development tools edda-transcriptTranscript delta ingest and classification for Edda240MIT OR Apache-2.0Development tools eddacraft-kindlingLocal-first memory and continuity CLI for AI-assisted development (the `kindling` binary).58Apache-2.0Command line utilitiesDevelopment tools eddacraft-tuiShared Ratatui component library for the eddacraft product family23,660Apache-2.0Command-line interface eddieFast and well-tested implementations of edit distance/string similarity metrics: Levenshtein, Damerau-Levenshtein, Hamming, Jaro,…45,314MITAlgorithmsText processing eddie_crateA crate for testing1,683non-standard eddnElite: Dangerous Data Network (EDDN) subscriber4,741Beerware eddoEd25519 signatures (don't use)1,666MIT eddytwisted edwards curve implementation1,643Apache-2.0 ededEmbedded Distributed Encrypted Database.1,662MIT/Apache-2.0 edelcrantzasync peer-to-peer rpc-and-messaging service13,558MIT OR Apache-2.0 edeltraudSimple thread pool for mixed tokio / threaded infrastructure with zero allocations and static dispatching only.1,648MIT edenEDN parser3,099ISC eden-cliDeveloper onboarding preflight checks51MITCommand line utilitiesDevelopment tools eden-skillsDeterministic & Blazing-Fast Skills Manager for AI Agents (Claude Code, Cursor, Codex & More).215MITArtificial intelligenceAsynchronous eden-skills-coreCore domain logic for eden-skills: config, plan, lock, reactor, adapter, registry, and safety334MITAsynchronousDevelopment tools eden_loggerHigh-performance structured logging with compile-time tier gating.56MIT eden_logger_macrosProc macros for eden_logger compile-time logging gates.48MIT edera-checkCLI to run checks before installing or using Edera480Apache-2.0 edera-sproutModern UEFI bootloader195Apache-2.0 edevMCP launcher, fixture runner, and smoketest harness for eguidev apps105MITCommand line utilitiesDevelopment tools edexEdit and Execute789MITCommand line utilities edfA parser for medical time series data, with support for Serde.1,843MITParser implementationsParsing tools edf-readerA library for reading metadata and data from an EDF (European Data Format) file.11,312MIT