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.
helpprobeCLI tool discovery and automation framework that extracts structured information from command help text41MIT OR Apache-2.0
helpscoutBindings for the HelpScout API.6,684MIT
helptextCreate beautiful help messages4,902MIT OR Apache-2.0
helpvA terminal-based help documentation viewer with subcommand navigation98MIT
helrGeneric HTTP API log collector: polls APIs and emits NDJSON to stdout114MIT OR Apache-2.0
helsinkiTools from me1,570MIT
helsinki-cliQuickly apply pre-configured git config profiles to local repositories58MIT
helvetiaA library and API server that allows anonymous storage of secrets, with a simple
rule; any user can create a secret using a…4,503MPL-2.0
helvetia_clientAn HTTP client for the Helvetia API.2,948MPL-2.0
helvumA GTK patchbay for pipewire12,425GPL-3.0-only
helyimhelyim is a object storage written by Rust.1,448MIT OR Apache-2.0
helyim-protoproto for helyim1,795MIT OR Apache-2.0
helyxLocal-first MCP server for hash-verified context reuse across coding-agent sessions20non-standard
helyx-coreContent-hash-verified semantic context cache engine for coding agents29non-standard
hema_minigrepA simple grep clone1,592MIT OR Apache-2.0
hemanHTTP error manual7,748BSD-2-Clause
hematitaA memory safe Lua interpreter2,289GPL-3.0
hematiteA simple Minecraft client51,054MIT
hematite-cliSenior SysAdmin, Network Admin, Data Analyst, and Software Engineer living in your terminal. A high-precision local AI agent…416AGPL-3.0-only
hematite-clientDEPRECATED. Use `hematite`.7,749MIT
hematite-dbA small embeddable SQL database.25MIT
hematite-kokorosHematite-maintained fork of the Kokoros Rust text-to-speech engine237Apache-2.0
hematite-nbtA full-featured library for working with Minecraft's Named Binary Tag (NBT) file format, including Serde support.95,934MIT
hematite_serverA Minecraft server clone6,138MIT
hemePDB reader and other protein modeling tools3,283MIT
hemeraInevitable timing for Rust functions—measure execution with divine precision.45MIT
hemingwayAn economical RSS reader for your terminal.7,111MIT
hemliPlaceholder for the hemli namespace. See hemli-cli for the main project.24MIT
hemli-cliA secret management CLI tool which uses OS-native keyring and fetches secrets on demand154MIT OR Apache-2.0
hemlockAn advanced logger, designed to work with a dedicated log viewer.3,980MIT
hemlock_libA secret-sharing service992GPL-3.0-or-later
hemmerRust-powered email HTML transformation pipeline22MIT
hemmer-provider-generatorAutomatically generate Hemmer infrastructure providers from cloud SDK specifications597Apache-2.0
hemmer-provider-generator-analyzerSDK analyzer for Hemmer Provider Generator - automatically generates provider metadata137Apache-2.0
hemmer-provider-generator-commonCommon types and utilities for Hemmer Provider Generator1,192Apache-2.0
hemmer-provider-generator-generatorCode generation engine for Hemmer infrastructure providers798Apache-2.0
hemmer-provider-generator-parserMulti-format parsers for cloud SDK specifications (Smithy, OpenAPI, Discovery, Protobuf)792Apache-2.0
hemmer-provider-sdkRust SDK for building Hemmer providers321Apache-2.0
hemoglobinUtilities for Bloodless32,275MIT
hemoglobin-searchHemoglobin search utilities3,808MIT
HemoglycinAptos Platform1,332non-standard
hemogoblinSafe, high-level bindings to libPlasma197MIT OR Apache-2.0
hemtt-bin-configConfig for hemtt1,207GPL-2.0
hemtt-bin-errorAm error library for hemtt2,356GPL-2.0
hemtt-configA config parser library for hemtt1,627GPL-2.0
hemtt-errorAn IO library for hemtt4,810GPL-2.0
hemtt-ioAn IO library for hemtt3,235GPL-2.0
hemtt-pboAn PBO library for hemtt2,761GPL-2.0
hemtt-preprocessorA preprocessor library for hemtt1,616GPL-2.0
hemtt-signingA signing library for hemtt1,604GPL-2.0
hemtt-tokensA token library for hemtt5,265GPL-2.0
hemtt-versionAn version library for hemtt1,728GPL-2.0
henRun and test protocol-aware API request collections from the command line.14,572MIT
hencFully homomorphic encryption library, to be published soon.414Apache-2.0 OR MIT
heng_rsschedule task runner on tokio-runtime1,808MIT
hengineReserved for future use by HASH.16MIT OR Apache-2.0
henkeiA lightweight CLI tool to instantly compile any website into a native, optimized Windows desktop app installer.37MIT
henriAn agentic AI coding assistant for the terminal42MIT
henrique_art_testA library for modeling artistic concepts.1,696MIT
henryRatelimit helper library4,795MIT
henry_the_cowA young cow who tends to moo1,575MIT
hentaiAPI wrapper for nhentai.net11,721MIT
hentavifSimple utility to convert images to avif1,987Apache-2.0
heosRust bindings for HEOS ecosystem API649BSD-2-Clause-Patent
heos-libTokio-based bindings for the HEOS system23non-standard
hephep protocol parsing,support hep v1/v2/v34,934MIT OR Apache-2.0
hepevtHEPEVT format644non-standard
hephHeph is an actor framework based on asynchronous functions.6,732MIT
heph-httpPlaceholder for the heph-http crate.1,757MIT
heph-inboxBounded capacity channel designed to be used as inbox for actors. Also supports
one shot channels.16,106MIT
heph-remotePlaceholder.1,601MIT
heph-rtHeph-rt is a speciailised runtime for Heph's actor.3,011MIT
hephaeA personalized, opinionated Bevy plugin that adds support for drawing and batching arbitrary vertices and indices.2,686MIT OR Apache-2.0
hephae-atlasHephae's texture atlas rendering and asset module.7,212MIT OR Apache-2.0
hephae-guiHephae's Graphical User Interface abstract layout module.788MIT OR Apache-2.0
hephae-localeHephae's localization module.3,171MIT OR Apache-2.0
hephae-macrosCommon utilities for Hephae's macros.4,108MIT OR Apache-2.0
hephae-pluginsProvides the `hephae! { ... }` macro to easily define plugins.975MIT OR Apache-2.0
hephae-renderHephae's core rendering module.7,123MIT OR Apache-2.0
hephae-render-deriveProc-macro derives for Hephae's core rendering module2,501MIT OR Apache-2.0
hephae-textHephae's abstract text-rendering module.3,412MIT OR Apache-2.0
hephae-uiHephae's UI module, powered by Taffy.2,252MIT OR Apache-2.0
hephae-utilsHephae's generic utility module.5,010MIT OR Apache-2.0
hephae-utils-deriveHephae's generic utility module proc-macro derive.5,183MIT OR Apache-2.0
hephaesDeeply reads a repository, builds and maintains a Karpathy-style LLM wiki, and answers questions against it.110MIT OR Apache-2.0
hephaes-coreCore engine for hephaes: repo scanning, the wiki, model providers, and the ask/build operations.77MIT OR Apache-2.0
hephasmAssembler for Asmodeus architecture with macro support and extended instructions943MIT
hepmc2Read and write files in the HepMC2 format18,557GPL-3.0-or-later
hepmc2-macrosMacros for the hepmc2 crate3,238GPL-3.0-or-later
heptagent-memory-anthropic-backendFirst published Rust backend for Anthropic memory_20250818 protocol — 6-command dispatcher with redb persistence + per-quest rate…13MIT
heptagent-memory-tool-backendRust backend for the Anthropic memory_20250818 tool-call protocol — 6-command dispatcher with redb persistence + per-quest rate…22MIT
heptgenGenerate c interface files from heptagon interface files.1,600GPL-3.0
heraA program for checking if there were code changes between git commits.2,017MIT/Apache-2.0
heraclitus[placeholder] A framework for persistence of differential dataflow graphs1,880MIT/Apache-2.0
heraclitus-compilerCompiler frontend for developing great programming languages81,140MIT
heraldHerald is a library to help you to track change of your data struct.3,286MIT
herald-jmap-cliHerald — an opinionated JMAP CLI for Stalwart Mail Server63MIT OR Apache-2.0
herald-jmap-stalwartStalwart Mail Server OAuth PKCE, device flow, and admin API extensions21MIT OR Apache-2.0
herald-sdkRust SDK for Herald — multi-tenant auth, billing & points API client156Apache-2.0
herald_deriveAttribute to auto implement `Herald` for struct.4,159MIT
herbRust bindings for Herb577MIT
herbertsimple actor management4,579MIT
herbie-lintA rustc plugin to check for numerical instability41,119MPL-2.0
hercoReact component boiler generator1,161MIT
herculanocm_librarybiblioteca1,508MIT
herculesA Heuristics toolbox for QUBO in Rust4,771BSD-3-Clause
herculesabqpA convex box-constrained quadratic programming solver with warm starts and active-set polishing.250BSD-3-Clause
herdA mechanism to manage a herd of cattle, where the herd is a cluster and cattle are the runtimes.1,575EUPL-1.2
herdingcatsDeterministic rule orchestration for ambiguity-free turn-based games.167MIT OR Apache-2.0
herdrterminal workspace manager for AI coding agents477AGPL-3.0-or-later
herdr-askLightweight command generation and terminal chat for Herdr and any terminal13MIT OR Apache-2.0
herdr-branch-cleanupHerdr plugin: checkout the default branch when a pane's branch is merged or deleted on GitHub34MIT
herdr-clientClient primitives for Herdr CLI and socket integration.19MIT OR Apache-2.0
herdr-dispatcherGeneric typed async event dispatcher for Herdr plugin tooling.16MIT OR Apache-2.0
herdr-notificationsRelays herdr agent-status events to native OS desktop notifications (Linux, macOS, Windows, BSD).13MIT
herdr-paletteA Raycast/Linear-style fuzzy command palette for Herdr242MIT
herdr-pluginErgonomic Rust SDK surface for Herdr plugins.193MIT OR Apache-2.0
herdr-pretty-whichA tasteful which-key style command palette for Herdr269MIT
herdr-runtimeRuntime app facade for Herdr plugins.19MIT OR Apache-2.0
herdr-spreaderApply tmuxinator-style project layouts to herdr from a YAML file69MIT
hereA simple rust macro to print the current file and line number.5,751MIT
here_be_dragonsMap generator for games7,778MIT OR Apache-2.0
hereditaryProcedural macros for emulating OOP Inheritance in Rust1,650Apache-2.0
heredityA minimal genetic algorithm library.1,785MIT
heredoca heredoc implementation3,160BSD-3-Clause
heredomTuple notations to describe XML-like trees.3,996MIT/Apache-2.0
heresyPlaceholder for heresy1,634MIT OR Apache-2.0
heretekGDB TUI Dashboard for the understanding of vast knowledge11,533MIT OR Apache-2.0
herkosCompile-Time Memory Isolation via WebAssembly and Rust Transpilation60Apache-2.0
herkos-coreCompile-Time Memory Isolation via WebAssembly and Rust Transpilation — core library81Apache-2.0
herkos-runtimeRuntime library for herkos transpiled output — IsolatedMemory, WasmTrap, capability traits60Apache-2.0
herkulex-drs-0x01-stm32f1xxA driver for servomotors Herkulex DRS-0101 and DRS-0201 using USART on stm32f1xx4,067Apache-2.0
herkulex_communicatorCommunicate with drs0101 and drs0201 servomotors from command line.10,514MIT/Apache-2.0
hermanA rusty daemon that watches folders and organises them automatically.3,972MIT
hermesHighly Efficient Rust Modules for Expedited Solving1,075MIT
hermes-agent-cliBlazing-fast, Windows-first AI agent CLI with 22+ LLM providers74MIT
hermes-agent-cli-coreBlazing-fast, Windows-first AI agent CLI with 22+ LLM providers99MIT
hermes-agent-runtimeBlazing-fast, Windows-first AI agent CLI with 22+ LLM providers131MIT
hermes-any-counterpartyImplementation of an IBC Relayer in Rust, as a library2,848Apache-2.0
hermes-api-rsA Rust client for the Pyth Hermes API1,018Apache-2.0
hermes-async-runtime-componentsModular runtime components implemented using Tokio4,610Apache-2.0
hermes-bleRust client for Hermes V1 EEG headsets over BLE using btleplug1,015GPL-3.0-or-later
hermes-botRemote Claude Code control via Slack — each channel is a repo, each thread is a session56MIT
hermes-broker-clientgRPC client library for the Hermes message broker — publisher and subscriber165MIT OR Apache-2.0
hermes-broker-coreCore routing engine for the Hermes message broker — trie-based subject matching, fanout and queue groups346MIT OR Apache-2.0
hermes-broker-macrosProcedural macros for Hermes event ergonomics.190MIT OR Apache-2.0
hermes-broker-protoProtobuf and gRPC service definitions for the Hermes message broker428MIT OR Apache-2.0
hermes-broker-servergRPC server for the Hermes message broker210MIT OR Apache-2.0
hermes-broker-storeDurable message storage backend for Hermes using redb.135MIT OR Apache-2.0
hermes-celestia-integration-testsImplementation of an IBC Relayer in Rust, as a library1,237Apache-2.0
hermes-celestia-test-componentsImplementation of an IBC Relayer in Rust, as a library1,519Apache-2.0
hermes-cliHermes: IBC Relayer in Rust1,335Apache-2.0
hermes-cli-componentsImplementation of an IBC Relayer in Rust, as a library1,600Apache-2.0
hermes-cli-frameworkImplementation of an IBC Relayer in Rust, as a library1,794Apache-2.0
hermes-commonBlazing-fast, Windows-first AI agent CLI with 22+ LLM providers181MIT
hermes-constructHermes Construct — tile-operating shell kernel for Oracle ARM20MIT OR Apache-2.0
hermes-coreCore async search engine library with WASM support5,994MIT
hermes-cosmos-chain-componentsImplementation of an IBC Relayer in Rust, as a library3,962Apache-2.0
hermes-cosmos-integration-testsImplementation of an IBC Relayer in Rust, as a library2,118Apache-2.0
hermes-cosmos-relayerImplementation of an IBC Relayer in Rust, as a library2,585Apache-2.0
hermes-cosmos-test-componentsImplementation of an IBC Relayer in Rust, as a library3,297Apache-2.0
hermes-cosmos-wasm-relayerImplementation of an IBC Relayer in Rust, as a library1,261Apache-2.0
hermes-ebay-buy-browseGenerated Rust client for eBay Buy Browse API - search and retrieve item details663MIT
hermes-ebay-buy-feedGenerated Rust client for eBay Buy Feed API - bulk data operations and feeds642MIT
hermes-ebay-buy-marketingGenerated Rust client for eBay Buy Marketing API - best-selling and trending products653MIT
hermes-ebay-buy-offerGenerated Rust client for eBay Buy Offer API - auction bidding and offers651MIT
hermes-ebay-buy-orderGenerated Rust client for eBay Buy Order API - guest checkout and order management652MIT
hermes-ebay-commerce-catalogGenerated Rust client for eBay Commerce Catalog API - product catalog searches644MIT
hermes-ebay-commerce-identityGenerated Rust client for eBay Commerce Identity API - user identity operations645MIT
hermes-ebay-commerce-taxonomyGenerated Rust client for eBay Commerce Taxonomy API - category suggestions and schema mapping643MIT
hermes-ebay-commerce-translationbetaGenerated Rust client for eBay Commerce Translation API - multi-language listing support662MIT
hermes-ebay-sell-accountGenerated Rust client for eBay Sell Account API - policy management and account operations642MIT
hermes-ebay-sell-analyticsGenerated Rust client for eBay Sell Analytics API - performance metrics and traffic reports647MIT
hermes-ebay-sell-complianceGenerated Rust client for eBay Sell Compliance API - listing compliance and violation management650MIT
hermes-ebay-sell-financesGenerated Rust client for eBay Sell Finances API - transaction and payout management645MIT
hermes-ebay-sell-fulfillmentGenerated Rust client for eBay Sell Fulfillment API - order processing and shipping639MIT
hermes-ebay-sell-inventoryGenerated Rust client for eBay Sell Inventory API - item and offer management645MIT
hermes-ebay-sell-logisticsGenerated Rust client for eBay Sell Logistics API - shipping quotes and logistics645MIT
hermes-ebay-sell-metadataGenerated Rust client for eBay Sell Metadata API - marketplace policies and metadata637MIT
hermes-ebay-sell-negotiationGenerated Rust client for eBay Sell Negotiation API - best offer negotiations642MIT
hermes-ebay-sell-recommendationGenerated Rust client for eBay Sell Recommendation API - AI-powered listing optimization657MIT
hermes-encoding-componentsImplementation of an IBC Relayer in Rust, as a library5,927Apache-2.0
hermes-engineRust bindings to the Hermes JavaScript engine44MIT
hermes-errorImplementation of an IBC Relayer in Rust, as a library3,096Apache-2.0
hermes-fiveThe Rust Robotics & IoT Platform861MIT
hermes-five-macrosMacros definitions for hermes-five.1,074MIT
hermes-ibc-test-suiteImplementation of an IBC Relayer in Rust, as a library2,367Apache-2.0
hermes-index-cliCLI tool for building and managing Hermes search indexes24MIT
hermes-llmBurn-based LLM inference and model definition; training lives in hermes-train3,579MIT
hermes-loggerImplementation of an IBC Relayer in Rust, as a library2,858Apache-2.0
hermes-logging-componentsImplementation of an IBC Relayer in Rust, as a library5,739Apache-2.0
hermes-malModel Architecture Language (MAL) parser — the single source of truth for Hermes model definitions453MIT
hermes-mcpMCP Runtime Security Scanner & Compliance Auditor — static config audit, runtime TLS/auth probe, and policy enforcement for MCP…24Apache-2.0
hermes-metasearchA minimal, privacy-focused metasearch engine.27MIT
hermes-protobuf-encoding-componentsImplementation of an IBC Relayer in Rust, as a library4,185Apache-2.0
hermes-pythonPython bindings for Hermes search engine26MIT
hermes-relayer-componentsImplementation of an IBC Relayer in Rust, as a library5,585Apache-2.0
hermes-relayer-components-extraImplementation of an IBC Relayer in Rust, as a library5,135Apache-2.0
hermes-runtimeImplementation of an IBC Relayer in Rust, as a library4,175Apache-2.0
hermes-runtime-componentsImplementation of an IBC Relayer in Rust, as a library6,271Apache-2.0