All 305,250 crates, alphabetically

engram-credCredential management CLI with encrypted vault and YubiKey support35Elastic-2.0 engram-embeddingsThree-field embedding system with HyDE auto-detection and caching136MITScience engram-hnswHNSW approximate nearest neighbor search137MITAlgorithmsData structures engram-ingestMultimodal artifact ingestion and OCR pipeline for Engram140Apache-2.0Text processing engram-judgeHeuristic and LLM-based memory relevance scoring135MITAlgorithms engram-libCore library for Engram -- persistent semantic memory for AI agents91Elastic-2.0 engram-llm-clientLLM provider traits with Voyage and OpenAI implementations234MITAPI bindings engram-memoryCore binary and shared infrastructure for Engram memory system98MITCommand line utilities engram-routerHierarchical adaptive routing (contextual bandit)144MITAlgorithms engram-rsUnified engram archive library with manifest, signatures, and VFS support818MIT OR Apache-2.0CompressionCryptography engram-serverREST and MCP server for the Engram AI agent memory system75MITDatabase interfacesScience engram-storageSQLite storage with FTS5172MITDatabase interfaces engram_mcpMCP server for AI agent persistent memory with SQLite and local embeddings270MIT engramaiNeuroscience-grounded memory system for AI agents. ACT-R activation, Hebbian learning, Ebbinghaus forgetting, cognitive…124AGPL-3.0-or-laterAlgorithmsDatabase interfaces engrams_auth_serviceExample auth service1,555MIT engramsoft_artA library for modeling artistic concepts1,523MIT engraph-cliAdministrative CLI for Engraph29Apache-2.0 engraph-controlControl-plane state (shard map, leases, registry, tenant/quota) for Engraph35Apache-2.0 engraph-coreTemporal knowledge-graph memory engine for AI agents, optimized for retrieval latency50Apache-2.0 engraph-protoVersioned protobuf records and service contracts for Engraph59Apache-2.0 engraph-routerStateless routing tier for Engraph: consistent-hash placement + scatter-gather32Apache-2.0 engraphdNative multi-tenant Engraph server27Apache-2.0 engraveBrowser based text editor1,520MIT OR Apache-2.0 engraverEngraver - a PoC2 plotter written in Rust3,656GPL-3.0 engrymA fast, AI-first knowledge base layered over Markdown: typed relations, topic hierarchies, and hybrid search.97MITCommand line utilities engulaThe Engula command line tool.6,478Apache-2.0AsynchronousData structures engula-apiThe Engula API.2,241Apache-2.0 engula-apisPublic interface definitions of Engula APIs.4,307Apache-2.0 engula-clientThe Engula API.2,925Apache-2.0 engula-cooperatorThe Engula Cooperator.3,014Apache-2.0 engula-journalAn Engula module that provides stream storage abstractions and implementations.4,359Apache-2.0 engula-kernelAn Engula module that provides stateful environment abstractions and implementations.3,721Apache-2.0 engula-storageAn Engula module that provides object storage abstractions and implementations.4,305Apache-2.0 engula-supervisorThe Engula Supervisor.3,611Apache-2.0 engula-supreme-unitSupreme unit manages a universe for Engula.1,675Apache-2.0 engula-transactorThe Engula Transactor.2,429Apache-2.0 engulfsGit LFS server library1,782MIT engvisEngineering visualization framework — facade re-exporting engvis-core, engvis-surface, engvis-mesher, engvis-renderer36MITGraphicsRendering engvis-coreCore data types for engineering visualization127MITGraphicsRendering engvis-mesherMesh generation algorithms (DC, MC33, shell, MS-loops) for engvis48MITGraphicsRendering engvis-rendererGPU rendering for engineering visualization80MITGraphicsRendering engvis-surfaceImplicit surface definitions and TPMS formula library for engvis44MITGraphicsMathematics enhanceEstimate resource requirements for enhance equipments2,822MPL-2.0 enhanced-magic-stringRust based magic-string implementation with sourcemap chains support76,529MIT enhanced-stdlibAn all-in-one library to make it easy to develop safe, strong, maintainable and user-friendly applications without writing tons…1,573MIT enhanced_enumEnhanced Fieldless Enumerations and Associated Array Types.53,505MIT OR Apache-2.0Data structuresRust patterns enhex_coreEnhEx core engine - compiles Enhanced Expressions to Regex57MITCommand line utilitiesParsing tools enidA library to parse Encrypted Numeric Identifiers762MITData structuresNo standard library enif-ffiRaw FFI bindings to the Erlang NIF API (erl_nif), version-gated by OTP release.128MIT OR Apache-2.0API bindingsExternal FFI bindings enigmaA (hopefully) growing set of cryptographic functions. Mostly a learning experiment for me and obviously not anywhere near useable.4,810MIT enigma-3dA 3D Rendering Engine with a focus on simplicity and ease of use. Far from feature complete and not recommended for production…8,816Apache-2.0 enigma-aeadAEAD + framing + nonce transport layer for Enigma secure messaging382MITCryptography enigma-cipherAn absurdly fast and highly flexible Enigma machine simulation, encryption, and decryption library.2,072GPL-3.0 enigma-cliA command-line interface for an Enigma machine simulator. Configurable with any reflector, number of rotors, and plugboard pairs.473MITCommand-line interfaceCryptography enigma-crackerA start-from-nothing Enigma cipher decryption library for Rust.1,182GPL-3.0 enigma-double-ratchetStandalone Signal-style double ratchet focused on deterministic, reusable async messaging primitives157MIT enigma-identityEnigma Identity: local identity + X3DH bundle + shared secret derivation146MIT enigma-media-e2eeApplication-level media frame encryption using Enigma aead primitives31MITCryptographyMultimedia enigma-node-clientHTTP client for Enigma node services (registry/resolve/announce/sync/nodes) using canonical enigma-node-types.32MITNetwork programming enigma-node-registryEnigma node registry service: register/resolve/check_user/announce/sync/nodes with presence TTL.158MITNetwork programming enigma-node-typesCanonical node-facing types and strict codecs for Enigma (UserId hashing, identities, presence, relay envelopes).244MITCryptographyNetwork programming enigma-packetCanonical message packet format + serialization for Enigma secure messaging146MIT enigma-protocolHigh-level orchestrator that composes the Enigma crates into a production-ready messaging protocol32MITCryptographyNetwork programming enigma-relayProduction-ready offline store-and-forward relay for Enigma with quotas, TTL/GC, rate limits, idempotent ack, and optional TLS.76MITNetwork programming enigma-rtcWebRTC signaling and session management for Enigma Messenger32MITMultimediaNetwork programming enigma-sfuIn-memory SFU core for rooms, participants, tracks, and subscriptions.56MITMultimediaNetwork programming enigma-signalingCanonical signaling messages (SDP/ICE) for Enigma. No network layer.33MITNetwork programming enigma-simulatorAn absurdly fast and highly flexible Enigma machine simulation, encryption, and decryption library.7,918GPL-3.0 enigma-storageEncrypted local storage for Enigma with mandatory at-rest encryption and cross-platform key vault providers.31MITCryptographyDatabase interfaces enigma-tools-uTools used by the untrusted part of the Enigma core and Principal node.4,889MITAPI bindingsCryptography enigma-transport-webrtcWebRTC transport bindings for Enigma secure messaging sessions159MITAsynchronousNetwork programming enigma_apisThis is a library used to call APIs published on Enigma API363MIT enigma_machineThis crate is Enigma Machine corresponding to various character strings.5,286MIT enigma_rsParser for Fabric's Enigma files421GPL-3.0-or-laterData structuresParser implementations enigma_sharkUNIX friendly CLI Enigma1,550GPL-3.0 enigmarHigh-performance Enigma Machine simulator (M3/M4) with Python bindings24MITCryptographySimulation enigmaticSecrets management cli2,710non-standard enigmatickEnigmatick is a social media platform that integrates with servers that implement the ActivityPub protocol (e.g., Mastodon)21,309GPL-3.0-only enigmatick_wasmEnigmatick WASM Component871GPL-3.0-only enigmifyA simple program to encrypt and decrypt text using the Enigma machine.964MITCommand line utilitiesCryptography enigoCross-platform (Linux, Windows, macOS & BSD) library to simulate keyboard and mouse events2,046,159MITAPI bindingsDevelopment tools::Testing enigo-copyEnigo lets you control your mouse and keyboard in an abstract way on different operating systems (currently only Linux, macOS,…1,682MITAPI bindingsDevelopment tools::Testing enimdaEntropy-based image border detection22,744MITAlgorithmsMultimedia::Images enip-rsRust implementation of the Ethernet/IP industrial control protocol1,228MIT enixTerminal-based text editor trying to follow the *nix philosophy.950GPL-3.0 enjectHide .env secrets from AI agents. Stores secrets in an encrypted local store and injects them into subprocesses at runtime — your…64MITCommand line utilitiesCryptography enjenVapory engine trait definition3,873GPL-3.0 enjoinPowerful syntax-level async join macro2,798MPL-2.0AsynchronousRust patterns enjoin_macroMacros for the enjoin crate3,329MPL-2.0 enjoyPlay any game rom with associated emulator in RetroArch8,125non-standardCommand line utilitiesEmulators enkSimple data en/decryption511GPL-3.0-or-laterCommand line utilities enkiAsemantic computation and Church-style isomorphism using combinatory logic.27MITAlgorithmsScience enki-cliCLI tool for running Enki agents from TOML configuration27LicenseRef-Enki-NC enki-coreCore abstractions for the Enki agent mesh framework687LicenseRef-Enki-NC enki-llmLLM integration for the Enki agent framework427LicenseRef-Enki-NC enki-localLocal mesh implementation for the Enki agent framework345LicenseRef-Enki-NC enki-mcpModel Context Protocol implementation for the Enki agent framework144LicenseRef-Enki-NC enki-memoryMemory backend implementations for the Enki agent mesh framework341LicenseRef-Enki-NC enki-nextEnki's Rust agent runtime, workflow engine, and shared core abstractions.97Apache-2.0AsynchronousCommand-line interface enki-observabilityLogging and metrics for the Enki agent framework342LicenseRef-Enki-NC enki-runtimeA Rust-based agent mesh framework for building local and distributed AI agent systems247LicenseRef-Enki-NCAsynchronousDevelopment tools enki-serverHTTP API server library for Enki agents129LicenseRef-Enki-NC enkryptMinimal XOR encryption utility1,644MIT OR Apache-2.0 enlaceEncrypted mailbox and latest-value slot fan-out.80MIT enmaA crate serving anime and manga information 📦11,821MITText processingWeb programming ennboEpistemic Nearest Neighbor Bayesian Optimization275MITScienceSimulation ennbo-pyPython bindings for ENN core algorithms46MITScienceSimulation enneagramA digital enneagram217GPL-3.0AlgorithmsMathematics eno-crestCREST — a wavelet transform library (part of the ENO project).20LGPL-3.0-or-later enoceanEnOcean serial protocol implementation.21,586MIT AND Apache-2.0 enoceanespEnOcean ESP interface crate1,202MIT OR Apache-2.0Command line utilitiesEncoding enocoro128v2Safe, embedded-friendly Enocoro-128 (Version 2) stream cipher. Verified using Hitachi's official test vectors.10,754MITCryptographyEmbedded development enodySDK for Enody Lighting devices103MIT OR Apache-2.0 enoki2d_editorParticle editor for the bevy_enoki crate1,092MIT enontekioUtilities to solve problems with data extraction and manipulation, like Advent of Code puzzles.8,997BSD-2-Clause enotationExtended s-notation3,159non-standard enoughMinimal cooperative cancellation trait for long-running operations450,747MIT OR Apache-2.0ConcurrencyNo standard library enough-ffiC FFI helpers for the enough cooperative cancellation trait82MIT OR Apache-2.0API bindingsConcurrency enough-tokioTokio integration for the enough cooperative cancellation trait118MIT OR Apache-2.0AsynchronousConcurrency enpass-cliA cli interface to decrypting the enpass database3,401Apache-2.0 enpassantAn educational chess library written in Rust1,333MIT OR Apache-2.0 enphaseAn async wrapper around the Enphase APIs - both direct local access to Envoy devices, and the Enlighten cloud service7,667MIT enphase-apiRust client for Enphase/Envoy API91MITAPI bindings enphase-influxA tool to import solar and battery data from the Enphase IQ Gateway local API into InfluxDB.2,025MIT OR Apache-2.0Network programming enphase-localA client library for the Enphase Envoy local API.2,634MIT OR Apache-2.0API bindings enplistaenplista1,699MIT enpose-apiPublic Rust API for the Enpose 6-DoF tracking system18MITComputer visionHardware support enpowGenerating methods for user defined enums as known from Option<T> or Result<T, E>8,174MIT OR Apache-2.0Development toolsDevelopment tools::Build Utils enprotenprot command line tool for Engyon1,812BSD-2-ClauseCommand line utilitiesCryptography enpsrlibEnglish Phrase Structure Rules library938MITScienceText processing enqMessage Queue and Batch processing for Rust842MIT enqueue-emailSend a bookmark via email, enqueuing it with MSMTP queue1,744Apache-2.0 OR MITEmailParsing tools enquirerCommand line utility for stylish interactive prompts15,576MITCommand line utilitiesDevelopment tools enquo-coreCore library providing encrypted querying operations12,879MITAlgorithmsCryptography enquoteQuotes and unquotes strings5,178,023UnlicenseParser implementationsParsing tools enrRust implementation of Ethereum Node Record (ENR) EIP77810,855,182MITCryptography::Cryptocurrencies enr-cliSimple utility to read Ethereum Node Records (ENR)14,560MITCryptography::Cryptocurrencies enredeAn easy-to-use string encoding library, providing an interface similar to str/String.51,131MIT OR Apache-2.0AlgorithmsEncoding enrgyA (nightly) insecure lightweight synchronous Actix-like HTTP server5,572MIT enrichrDatabase-independent, privacy-friendly analytics event enrichment (visitor id, GeoIP, device, traffic source)83MIT OR Apache-2.0Parser implementationsWeb programming enroA command-line tool for file type detection and entropy analysis143BSD-3-ClauseCommand line utilities ensAccess the Ethereum Name Service2,148MIT ens-normalizeRust port of adraffy's ENS normalizer1,590MITEncodingInternationalization (i18n) ens-normalize-rsEthereum Name Service (ENS) name normalization81,903MIT ens-offchain-resolver-gatewayENS Offchain Resolver Gateway4,084non-standard ens-rest-clientEthereum Name Service Rust client library1,674MIT ens160ENS160 driver implementation14,990MIT OR Apache-2.0Embedded developmentHardware support ens160-aqScioSense ENS160 driver19,601MIT OR Apache-2.0Embedded developmentNo standard library ensanExtended HCL expression evaluator5,904MITParser implementationsParsing tools ensan-proc-macroProc macros for the ensan crate2,672MIT ensc-build-rsUtilities for build.rs4,237MIT ensc-libc-utilsome minor utilities for using libc3,415MIT ensc-testsuiteTool to generate TAP or JUnit reports30,411GPL-3.0+Development tools::Testing enschin2D Game Engine completly written in Rust, using the wgpu api.3,594GPL-3.0Game engines enschin_procDerive macros for Enschin component system.2,497GPL-3.0 ensealSecure, ephemeral secret sharing for developers298MITCommand line utilitiesCryptography ensemblcovensemblcov for human genomics1,195MIT ensembleA Laravel-inspired ORM8,737MIT ensemble-bridge-midiMIDI bridge for Ensemble — translates between Ensemble actions and MIDI I/O11MIT ensemble-bridge-oscOSC bridge for Ensemble — translates between Ensemble actions and OSC/UDP11MIT ensemble-clientClient library for connecting to an Ensemble hub22MIT ensemble-clockClock synchronization algorithm for the Ensemble protocol29MIT ensemble-coreShared types, wire protocol codec, and re-exports for the Ensemble protocol27MIT ensemble-discoveryLocal hub discovery for Ensemble — port file utilities29MIT ensemble-hubHeadless Ensemble hub — routes actions and provides a reference clock21MIT ensemble-hub-tuiEnsemble hub with terminal UI — voice browser, action monitor, param inspector11MIT ensemble-manifestVoice manifest types for the Ensemble protocol29MIT ensemble-mcmcA generic affine invariant stretch move ensemble MCMC sampler24MIT ensemble-protocolWire protocol message types for the Ensemble protocol30MIT ensemble-routingPattern matching and address routing for the Ensemble protocol24MIT ensemble-test-fixturesLanguage-neutral YAML fixtures for Ensemble protocol conformance testing11MIT ensemble-valuesValue model for the Ensemble protocol — 10 types with MessagePack serialization31MIT ensemble_deriveDerive macros for the ensemble crate7,664MIT ensemblerA library for running commands and reporting progress22,484MIT enserEnum serialization with tag23,522MIT OR Apache-2.0Encoding enser_deriveProc macro for `enser` crate.24,021MIT OR Apache-2.0Encoding ensf594-project-mmapFinal project for the ENSF 594 course of the University of Calgary, summer 20226,502AGPL-3.0-only enshrineSecure decentralized computing.1,529MIT ensiempty1,875MIT ensicoin-simonA single concurrent batch execution miner for ensicoin nodes1,801GPL-3.0-or-later ensicoin_messagesData types used in the ensicoin protocol46,284MIT ensicoin_serializerFunctions to serialize / deserialize to the ensicoin protocol34,759MIT ensicoin_serializer_deriveDerive macros for ensicoin_serializer16,548MIT ensip25Rust implementation of ENSIP-25: verify the link between ENS names and ERC-8004 AI agent registries.273MIT OR Apache-2.0API bindingsCryptography::Cryptocurrencies ensnareCreate digital audio26,240BSD-3-Clause ensnare-proc-macrosProc macros supporting the ensnare crate9,657BSD-3-Clause ensnare-servicesWrappers around third-party crates that make them easier to use with crossbeam channels.20,881BSD-3-Clause ensoEnso is an experimental database engine built to explore storage engines, query execution, and networking.53MITDatabase interfaces enso-apiUnofficial Rust client for the Enso Finance DeFi aggregator API18MITAPI bindingsWeb programming enso-automataA finite-automata-based lexing engine.39,356non-standardParsing tools enso-channelBatch-first, bounded, lock-free ring-buffer channels (MPSC/Fan-out) for bursty, latency-sensitive systems148MIT OR Apache-2.0ConcurrencyData structures enso-clientRust client library for connecting to and querying an Enso database over TCP.70MITDatabase interfaces enso-dataA collection of useful data structures.35,407non-standardData structures enso-flexerA finite-automata-based lexing engine.21,244non-standardParsing tools enso-genericsA library for supporting generic programming.17,814non-standardAlgorithms enso-lazy-readerAn efficient buffered reader.22,865non-standard enso-loggerAn efficient logger for writing applications in Rust.44,127non-standardDevelopment tools::Debugging enso-macro-utilsUtilities for writing macros.41,271non-standardDevelopment tools::Procedural macro helpers enso-opticsAn implementation of functional optics.17,723non-standardAlgorithms enso-preludeAn augmented standard library in the vein of Haskell's prelude.59,539non-standardAlgorithms