All 305,250 crates, alphabetically

endfRecipe-driven parser and writer for ENDF-6 nuclear data files22MITParser implementationsScience endf-matENDF MAT number lookup, element symbols, and natural isotopic abundances684MITScience endf_formatENDF-6 Format Rust Library5,663MITParsing tools endf_parserA Rust library for parsing ENDF-6 format nuclear data.4,441MIT endfindA simple application to find the end portal in Minecraft95GPL-3.0-only endgameA turn-based game engine.515MIT endgame_directionA library for representing cardinal and ordinal directions.1,774MIT endgame_eguiA library for integrating endgame with the egui GUI library.632MIT endgame_gridA library for representing regular grids.1,147MIT endgame_ludicA library providing high-level abstractions for games.203MIT endhost-apiSCION endhost API2,021Apache-2.0 endhost-api-clientSCION endhost API client1,876Apache-2.0 endhost-api-discovery-apiSCION endhost API discovery149Apache-2.0 endhost-api-discovery-clientSCION endhost API discovery client214Apache-2.0 endhost-api-discovery-modelsProtobuf definitions for the SCION endhost API446Apache-2.0 endhost-api-modelsConnect RPC client library for reqwest based clients2,313Apache-2.0 endhost-api-protobufProtobuf definitions for the SCION endhost API2,170Apache-2.0 endiA simple endian-handling library36,525,119MITEncodingNo standard library endianA Rust library for I/O Endianness.3,320LGPL-3.0+ endian-castProvides generic functions and traits for accessing big-endian and little-endian versions of data types with a cheap abstraction…24,042MIT endian-hasherEndianness wrapper for Hashers4,022MIT/Apache-2.0 endian-numByte-order-aware numeric types.143,808MIT OR Apache-2.0EncodingNo standard library::No dynamic allocation endian-typeType safe wrappers for types with a defined byte order75,435,417MITEncoding endian-type-rsType safe wrappers for types with a defined byte order112,775MITEmbedded developmentMemory management endian-typesByte order‐limited integer types3,121MirOS endian-writer[no_std] Methods for efficient reading and writing of structures to raw pointers in a stream-like fashion.10,983non-standard endian-writer-deriveProcedural Macros for endian-writer crate.3,104non-standard endian_codec(De/En)code rust types as packed bytes with specific order22,500Apache-2.0 OR MITNo standard libraryParsing tools endian_codec_deriveMacros implementation for endian_codec crate23,429MIT OR Apache-2.0No standard libraryParsing tools endian_traitA trait for Endianness conversions that can be implemented on most types29,776MIT endian_trait_deriveA custom derive for the Endian trait32,764MIT endiannessRust library for reading numbers in big-endian and little-endian.40,489MIT endiannezzZero dependencies library for I/O endianness on high-level50,615MITEncodingParsing tools endiannezz_deriveAddition to endiannezz crate that allows derive(Io)34,978MIT endianrwReading and writing numbers with specific endianness6,150MIT endiantypeendiantype is an no-std, endian-aware implementation of primitive types like u8, u16, etc.5,560MITNo standard library endiconImplementations of codicon traits for endianness encodings7,994Apache-2.0 endifyeffortlessly convert structs between endian-formats.3,382MITEncodingNo standard library endify-derivederive proc-macro for `endify`3,879MITEncodingNo standard library endineroUtility functions to format numbers as money designed for Spanish/European speaking locales.8,830Apache-2.0 endioSimple and ergonomic reading/writing of binary data, with automatic endianness conversion and extendability.4,868AGPL-3.0-or-laterEncodingParsing tools endio_bitBit-level reading and writing, modeled after std::io::{BufReader, BufWriter}.6,556AGPL-3.0-or-laterEncodingParsing tools endiveA crisp API for reading and writing bytes519MIT endixk_minigrepA simple grep implementation in Rust, based on the book "The Rust Programming Language"1,537MIT endjineAccessing the Engine DJ library database.2,879MPL-2.0Database interfacesMultimedia endlessendless1,773MIT/Apache-2.0 endless-rsA Rust SDK for the Polyend Endless programmable effects pedal22MITEmbedded developmentMultimedia::Audio endless-webActix web is a simple, pragmatic and extremely fast web framework for Rust.1,801MIT/Apache-2.0AsynchronousNetwork programming endlessgridAn endless 2D grid of type `T` implemented using chunks1,123MIT OR Apache-2.0 endoエンドウ1,238MIT endolphineTUI file explorer14,329MIT endorphinKey-Value based in-memory cache library which supports Custom Expiration Policies29,786non-standardCaching endorsValidation library1,085MIT endotheliumDOM / WASM bridge1,084GPL-3.0 endpoint-genGenerate Rust code for websocket API endpoints5,837MIT endpoint-gen-macrosHelper macros to improve compile-time validation within EndpointGen110MIT endpoint-libsCommon dependencies to be used with Pathscale projects, projects that use…8,433MIT endpoint-secHigh-level Rust wrappers around the Endpoint Security Framework108,839MIT OR Apache-2.0 endpoint-sec-sysRaw Rust wrappers around the Endpoint Security Framework107,024MIT OR Apache-2.0 endpointsA collection of data structures for the OpenAI-compatible endpoints.61,576Apache-2.0Data structures endpointsecurityNice (ish) bindings for the EndpointSecurity framework on macOS7,215non-standard endpointsecurity-rsSafe Rust bindings for Endpoint Security API2,825AGPL-3.0 endptrHTTP TUI19MITCommand-line interfaceDevelopment tools endrendr: append-only replicated objects5,728CC-BY-NC-ND-4.0 endringerLightweight VCS repository introspection — Git and `jj` (Jujutsu) via gix.1,014Apache-2.0Development toolsFilesystem endringer-asyncAsync facade for endringer (tokio::task::spawn_blocking).489Apache-2.0AsynchronousDevelopment tools endringer-coreCore types and VCS backend trait for endringer.856Apache-2.0 endringer-gitGit backend for endringer (powered by gix).787Apache-2.0 endringer-jjJujutsu backend for endringer (reads jj's git store via gix).705Apache-2.0 endurEndur backs up your work automatically via Git commits.93Apache-2.0 endurox-deriveDerive macros for Enduro/X UBF buffer serialization203MITAPI bindingsEncoding endurox-rsDev middleware utilities for Enduro/X projects (Rust bindings).79AGPL-3.0Development tools endurox-rs-deriveDerive macros for endurox-rs UBF serde support.55AGPL-3.0 endurox-sysLow-level FFI bindings for Enduro/X middleware104MITAPI bindingsExternal FFI bindings endymionBias lighting, written in Rust498Apache-2.0 OR MIT eneempty crate2,038MIT ene-coreempty crate1,943MIT ene_kafkaEne Kafka is an easy-to-use Rust client for Apache Kafka4,496Apache-2.0 ene_kafka_deriveDerive macros used for Ene Kafka4,431Apache-2.0 energenie-apiProvides a rust interface to the energenie REST API2,102MIT energiaproRust SDK for the EnergiaPro API25MIT OR Apache-2.0 energiprisSjekk Tibbers energipriser fra kommandolinjen1,525MITCommand line utilities energy-apiRust client and server implementation for German energy market API-Webdienste (MaKo)243MIT OR Apache-2.0Encoding energy-benchMethods for benchmarking the energy consumption of programs.33,854GPL-3.0Development tools::Profiling energy-billingPure multi-product retail energy billing for German markets. STROM, GAS, WAERME, SOLAR, EEG, EINSPEISUNG, §14a…69MIT OR Apache-2.0 energy-budgetEnergy budget calculation and tracking utilities19MIT OR Apache-2.0 energy-monitorEnergyMonitor trait33,184MIT/Apache-2.0 energyleaf-protoProtobuf definitions for Energyleaf12,077MIT EnergyLogger4000-ReaderReader for the Voltcraft Energy Logger 4000 device22GPL-3.0-or-laterCommand line utilities energymonSquatting2,821CC0-1.0 energymon-default-sysSquatting2,828CC0-1.0 energymon-sysSquatting2,814CC0-1.0 enetHigh-level, rust-y bindings to the ENet library21,216Apache-2.0 OR MITGame enginesNetwork programming enet-clienteNet gateway client13,482MIT enet-cs-sysRust low level bindings for ENet-CSharp the library, which is a independent ENet implementation with a modified protocol for C,…2,830MITExternal FFI bindingsNetwork programming enet-protoeNet gateway protocol types13,111MIT enet-rsA ENet library for Rust.4,376ISC enet-rustHigh performance pure safe-rust enet implementation.368MITNetwork programming enet-sysLow level bindings to the enet C library79,186MIT enferFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.1,510MITCommand-line interfaceParsing tools enfer_coreFeakin is a architecture design and visual collaboration tool. This is the parser for Feakin.4,260MITCommand-line interfaceParsing tools enfinReleasing made easy393MIT enfinitos-sdk-auditorEnfinitOS Auditor / Verifier SDK (Rust) — cryptographic verification library that regulators, auditors, courts, and third parties…53MITAuthenticationCryptography enfipy-jsonrpc-http-serverRust http server using JSONRPC 2.0.1,833MIT enfipy-tigerbeetleTigerBeetle client for Rust490Apache-2.0Database interfacesFinance enfipy-tigerbeetle-coreSafe low level callback-based async bindings to tigerbeetle client library.235Apache-2.0API bindingsAsynchronous enfipy-tigerbeetle-sysNative bindings to the tigerbeetle library345Apache-2.0External FFI bindings enforceNo description provided.3,172 enforce-script-lspLanguage Server Protocol implementation for Enforce Script710GPL-3.0API bindingsCompilers enforcer_backendbackend for enforcer app4,020GPL-2.0 enfusion_pakA library/cli for reading Enfusion game engine `.pak` files.773MIT OR Apache-2.0 enfyncEnvironment-friendly async utilities67,203MIT OR Apache-2.0 eng-logKeep a work log as a software developer for looking back on during yearly reviews etc.1,193MIT eng-pwasm-abiRust WebAssembly Contracts Abi11,442MIT/Apache-2.0Embedded developmentNo standard library eng-turboTurbo compressor and expander gas calculations273MIT eng-unitsEngineering unit coversions and calculations.13,019GPL-3.0AerospaceData structures eng-wasmEnigma library for creating Secret Contracts11,166AGPL-3.0WebAssembly eng-wasm-deriveEnigma library for creating Secret Contracts10,189AGPL-3.0WebAssembly eng_fmtZero-depedency rate containing trait providing engineering notation formatting for f6425,795BSD-3-Clause engageA task runner with DAG-based parallelism8,862MIT OR Apache-2.0Command line utilitiesDevelopment tools engage-cliA minimalist CLI timer, clock, stopwatch, and Pomodoro tool for focused productivity.50MITCommand line utilities engagespotRust library for communicating with Engagespot REST API. Send multi-channel notifications from your rust app.1,554MITWeb programmingWeb programming::HTTP client engardeFenced code formatting19,126MIT OR Apache-2.0Parser implementationsParsing tools engate-attachTyped attach lifecycle (Spawned → Subscribed → Synced → Live) — engate's core machinery61MIT engate-attestAttestation chain for engate attaches — BLAKE3 over (snapshot, live items, observed state) for CI-level regression detection18MIT engate-shigotoBridge — wrap engate Attach lifecycle as a shigoto RecordingJob with HistoryFetched + SubscriptionLive gates19MIT engate-typesTyped phase markers, snapshot trait, and error types for engate (producer↔consumer attach primitive)94MIT engawaEngawa (縁側) — typed render-graph IR for pleme-io GPU consumers. Bevy-inspired render-graph design distilled to mado-shaped needs:…166MITGraphicsRendering engawa-clientCLI chat client for Engawa, chat application built with Axum and WebSocket.75MITCommand-line interfaceWeb programming engawa-lispTatara-lisp authoring layer for engawa render graphs. Operators write (defmaterial …) / (defgraph …) / (defeffect …) in a .tlisp…83MITParser implementationsRendering engawa-serverChat server for Engawa, chat application built with Axum and WebSocket.213MITCommand-line interfaceWeb programming engawa-sharedShared utilities for Engawa339MITCommand-line interfaceWeb programming engawa-snowFlagship snow effect for engawa. Layered parallax snowflakes + cursor-deflection + typing-pulse + accumulation pile, authored in…70MITGraphicsRendering engawa-wgpuwgpu-backed Dispatcher impl for engawa render graphs. Compiles Material → wgpu::RenderPipeline; walks the compiled graph;…156MITGraphicsRendering engconHelpful macros to define (eng)ineering (con)tracts on data-structure level848MIT OR Apache-2.0Data structuresScience engcon_macrosHelpful macros to define contracts on data-structure level1,050MIT OR Apache-2.0Data structuresScience engenhoTyped, attested, Rust-native Kubernetes runtime. The engine that runs the land (terreno). Pillar 7 runtime half; sibling to…51MITAPI bindingsNetwork programming engenho-apiserverengenho-apiserver — HTTP K8s API wrapping engenho-store. Translates kubectl REST operations into typed ResourceCommand proposals…35MITAPI bindingsNetwork programming engenho-cluster-configTyped schema for engenho/k3s cluster configuration: every network knob + GitOps bootstrap, validated at construction and…113MITAPI bindingsNetwork programming engenho-cluster-config-renderCLI binary: read a YAML ClusterConfig, validate, emit k3s config.yaml + cmdline args + auto-apply manifests. Consumed by…39MITAPI bindingsNetwork programming engenho-configengenho-config — the top-level shikumi-back typed configuration surface for the whole engenho substrate. EngenhoConfig owns…237MITAPI bindingsNetwork programming engenho-controllersengenho-controllers — the engenho K8s controller suite. Hosts the Controller trait + canonical implementations:…104MITAPI bindingsNetwork programming engenho-kube-clientReqwest-backed implementation of engenho-types' KubeClient + Watcher traits. Speaks the upstream Kubernetes REST API over HTTPS…71MITAPI bindingsNetwork programming engenho-kube-codegenOpenAPI v3 → typed Rust source generator for engenho-types. Reads BLAKE3-attested vendored K8s schemas + emits one Rust struct…55MITAPI bindingsNetwork programming engenho-kubeletengenho-kubelet — the missing piece between 'Pod object in the store' and 'container running on host'. Per-node controller that…40MITAPI bindingsNetwork programming engenho-mcpMCP server exposing the engenho cluster operator surface — typed reader catalog (P0) and writer catalog (P2+).39MITAPI bindingsNetwork programming engenho-revoadaengenho's distribution layer — dynamic K8s control-plane / worker role shifting via Raft consensus + gossip membership + P2P…34MITAPI bindingsNetwork programming engenho-schedulerengenho-scheduler — the first real K8s controller on the engenho substrate. Reconciles pending Pods (no spec.nodeName) by picking…41MITAPI bindingsNetwork programming engenho-storeengenho's K8s resource store — etcd-equivalent backed by openraft. Separate Raft group from engenho-revoada (which commits role…155MITAPI bindingsNetwork programming engenho-substrateengenho-substrate — shared helpers extracted to the third-site rule. atomic_write (fsync-anchored tmp+rename), magic-headered…36MITAPI bindingsNetwork programming engenho-teiaengenho-teia — the NATS fabric layer for engenho. Carries Raft RPC, watch streams, content sync, attestation receipts, and…177MITAPI bindingsNetwork programming engenho-typesTyped Kubernetes resource catalog for engenho. Generated from upstream OpenAPI v3 via forge-gen (Pillar 12 — generation over…321MITAPI bindingsNetwork programming engeomLibrary for working with geometry with a focus on engineering metrology applications.68MIT OR Apache-2.0 engiffenEncodes GIF images from sequences of images. Includes an installable command line bin as well as the library.25,380MITCommand line utilitiesMultimedia engineEvent loop.7,348MIT OR Apache-2.0AsynchronousConcurrency engine-a2aEnginePort adapter for the A2A Agent-to-Agent REST protocol.12MIT OR Apache-2.0 engine-agentapiEnginePort HTTP client + child-process manager for agentapi-plusplus (multi-agent HTTP gateway over PTY).39MIT OR Apache-2.0 engine-claudeEnginePort adapter for the claude CLI (Claude Code).23MIT OR Apache-2.0 engine-codexEnginePort adapter for the codex CLI (gpt-codex-spark).25MIT OR Apache-2.0 engine-conformanceConformance suite proving EnginePort is harness-agnostic — run against any adapter.26MIT OR Apache-2.0 engine-ioAn engine.io library for Iron.10,560MIT engine-macrosMacros to the Let engine4,075Apache-2.0 engine-melMélodium core engine interaction library5,454EUPL-1.2AsynchronousCompilers engine-modelShared data models for the Stylus Debug Suite execution engine.233MIT engine-observables-apiCommon-minimum observable query traits (Fragment / Interaction / Semantic / Loading) consumed by Hekate, mere-host, and Apparatus.87MPL-2.0 engine-specProvider-agnostic TaskSpec -> argv contract.179MIT OR Apache-2.0Development tools engine_coreCore types and scene utilities for Kenga engine139MIT engine_io_parserA parser for the engine.io protocol for Socket.IO4,822MIT engineerThe engineer is a master builder!9,305MIT OR Apache-2.0Data structuresRust patterns engineer_deriveThe engineer is a master builder! And this's it's derive.9,842MIT OR Apache-2.0Data structuresRust patterns engineering-reprNumeric conversions for engineering notation (1.23k) and the RKM code variant (1k23)15,396MITMathematicsParsing tools engineio-rsAn implementation of a engineio written in rust.16,598MITNetwork programmingWeb programming engineioxideEngine IO server implementation as a Tower Service.1,052,884MITAsynchronousNetwork programming engineioxide-coreEngineioxide core types and utilities379,323MITAsynchronousNetwork programming enginerendererA zero-dependency offline rendering engine in pure Rust — CPU path tracing, BVH acceleration, 16-band spectral rendering, PBR…23MITGraphicsMultimedia engishA language utility for sampling and building words.2,566MIT OR Apache-2.0Text processing englishEnglish inflector decliner conjugator from Wiktionary data6,546MIT OR Apache-2.0Localization (L10n)Text processing english-coreEnglish language inflector3,035MIT OR Apache-2.0Text processing english-language-parserSimple parser of English sentences created for KMA Rust course.2,844MIT english-lintFind common stylistic problems in english texts. Works well for technical or scientific documents.4,987MIT/Apache-2.0 english-numbersConvert integers to written English number format1,285,927MIT english-pos-taggerpart-of-speech tagging and lemmatization of English text50MITScienceText processing english-to-cronconverts natural language into cron expressions643,648Apache-2.0 english-tokenizerRegex-driven tokenizer that splits a sentence and type-tags each token (word, number, emoji, url, email, hashtag, mention, time,…40MITText processing english-turkish-dictionaryEnglish-Turkish Dictionary in CLI3,441MITCommand line utilities english_assistantA CLI tool for english assistant1,857MITCommand line utilities englishidEnglish formatting for unsigned integer IDs6,380MIT OR Apache-2.0Value formatting englogKeep a work log as a software developer for looking back on during yearly reviews etc.5,147MIT engo-aiAI provider abstractions for the Engo i18n CLI (Anthropic today; OpenAI and Engo Cloud on the roadmap).120MIT OR Apache-2.0API bindingsInternationalization (i18n) engo-cliEngo — local-first, AI-assisted i18n CLI for XLIFF, ARB, and nested JSON catalogs.71MIT OR Apache-2.0Command line utilitiesInternationalization (i18n) engo-coreCore types, config, format parsers (XLIFF/ARB/JSON), cache, and safety helpers for the Engo i18n CLI.156MIT OR Apache-2.0Internationalization (i18n)Parser implementations engramA fast and space-efficient version control system for portable file backups57,768MPL-2.0 engram-agentReusable LLM agent loop with tool-calling and lifecycle hooks157MITDatabase interfacesScience engram-aiRust-native AI agent memory system — #1 on LongMemEval-S (95.8%)74MITDatabase interfacesScience engram-ai-coreCore library for the Engram AI agent memory system382MITDatabase interfacesScience engram-cliCLI for the Engram AI agent memory system79MITDatabase interfacesScience engram-cli-rsCommand-line interface for Engram, the AI memory engine25Apache-2.0Command line utilities engram-consolidateMemory consolidation: preview, analyze, apply134MITAlgorithms engram-coreAI Memory Infrastructure - Persistent memory for AI agents with semantic search237MITDatabase interfacesText processing engram-core-rsAI memory engine core with hybrid retrieval, salience scoring, and conflict detection81Apache-2.0Database interfacesText processing