All 305,250 crates, alphabetically

hamming-resonateFast nearest-neighbour search over fixed-length DNA sequences using Hamming distance362MITAlgorithmsData structures hamming_iterProvides iterators over hamming weight ordered and numerical sub-ordered numbers1,956MIT hamming_rsComputes Hamming distance and weight -- if available and beneficial, uses a highly optimized avx2 implementation12,781MIT hammurabiA modern terminal-based recreation of the classic 1968 Hammurabi game1,332MITCommand line utilitiesGames hamonA zero-cost, type-level static decorator and pipeline builder.54MITData structuresDevelopment tools hamon_deriveA zero-cost, type-level static decorator and pipeline builder.80MITData structuresDevelopment tools hampelSequential outlier detection and removal using Hampel identifiers5,415MIT OR Apache-2.0AlgorithmsNo standard library hampel_filterHampel filter for outlier detection in streaming float data621BSD-3-Clause OR Apache-2.0AlgorithmsScience hampterA 3rd party wrapper for the JanitorAI api1,715MIT hamqttThis crate is meant to be an easy to go Home Assistant MQTT implementation3,265LGPL-2.1-only AND MIT hamsOn hold for upcoming heterogeneous agent-based modelling project.1,602MIT hamsandoA simple and type-safe client for the Porkbun API.691MIT OR Apache-2.0API bindingsWeb programming::HTTP client hamstHash Array Mapped Shareable Trie5,644MIT/Apache-2.0Data structures hamsterA local working dir runner of gitlab jobs3,079MIT OR Apache-2.0Development tools::Build Utils hamster_wheelLooping code generator that allows for generating code over a collection4,577MIT hamsterwheelExperimental Rust data structures inspired by simple, fast designs.69MIT hamtPurely functional hash array mapped tries.17,363MIT/Apache-2.0 hamt-rsA Hash Array Mapped Trie implementation based on the *Ideal Hash Trees* paper by Phil Bagwell.11,287MIT hamt-syncHAMT implementation whose sub-trees can be shared over threads16,667MIT hamtacoPractice trainer for ARRL Ham radio license exams20AGPL-3.0-onlyCommand line utilities hamza-artA library for modeling artistic concepts.1,208MIT hanNo-std implementation of the Swedish-Norwegian, P1-based smart power meter standard4,812MITNo standard libraryParser implementations han-lang한글(Han) Korean-syntax programming language: interpreter, LLVM-IR codegen, and LSP51MITCommand line utilitiesCompilers hanaData transformation tool216MIT OR Apache-2.0 hana-clientExchange files locally using mDNS5,382MIT hana-serverExchange files locally using mDNS10,302MIT hana-typesType definition for hana libs3,906MIT hana-vaultA library used by the Hana SSH client for storing user data securely in encrypted SQLite.198MITCryptographyDatabase interfaces hana_prefabHana prefab is a plugin for bevy that allows you to store level and other data in rooms using prefabs created in code.2,009MIT OR Apache-2.0 hanabiHanabi - High perfomance in-memory caching and event streaming647MITAsynchronousCaching hanabi-bffHanabi (花火) - GraphQL Federation BFF platform service21MITNetwork programmingWeb programming::HTTP server hanabi-cliCLI utilities from interacting with a Hanabi server287MITAsynchronousCaching hanabi-clientHanabi's Client API for Rust376MIT OR Apache-2.0 hanabi-coreCore library for Hanabi1,163MITAsynchronousCaching hanabi_effect_graphSerializable authoring graph and runtime bake pipeline for bevy_hanabi effects15MIT OR Apache-2.0Game developmentGraphics hanabi_node_graphReusable egui node-graph canvas with caller-owned topology and state16MIT OR Apache-2.0Development toolsGUI hanabotA Slack bot that lets you play Hanabi2,442MIT OR Apache-2.0 hanacliSync AI coding agent skills and instructions via symlinks43MITCommand line utilitiesDevelopment tools hanblasA BLAS written in Rust1,694MIT hanbunA library for drawing half blocks to the terminal.9,163MITCommand-line interfaceCommand line utilities hancat-core함수 하나로 토시 변환과 용언 활용을 {단어, 접사} 템플릿으로 자동 처리하는 라이브러리75MITDevelopment toolsText processing hancockImplementation-agnostic HTTP Signature helper5,924MIT hanconvConvert between Chinese characters variants.12,241MITCommand line utilitiesText processing hanconv-cliConvert between Chinese characters variants.26MITCommand line utilitiesText processing handEasy to use, pretty cmd log for lazy devs3,953MIT hand_indexerA rust interface around the poker hand indexer library by Kevin Waugh5,151MIT handbarFork of Handlebars.5,646MITTemplate engine handbook-engineCanonical artifact, freshness, and structured authoring core for Handbook.87MIT handbook-flowResolver, packet-result, and budget runtime surfaces for Handbook.19MIT handbook-pipelineDeclarative pipeline loading, route state, compile/capture, and handoff runtime for Handbook.81MIT handbrakeA safe, ergonomic, and asynchronous Rust crate for controlling the HandBrakeCLI video transcoder.490MIT handdrawn-watchfaceHand-Drawn Watch Face for Mynewt on PineTime Smart Watch3,797Apache-2.0Embedded developmentNo standard library handleA Handle Trait for asynchronous context pipeline.609,928MIT/Apache-2.0 handle-errorAn error handling helper macro to avoid the constant if let Err(e) pattern5,308MPL-2.0 handle-keyTyped and named or unnamed map keys1,557MIT OR Apache-2.0CachingGame development handle-thisErgonomic error handling with try/catch/throw/inspect/finally syntax and automatic stack traces94MIT OR Apache-2.0Development toolsNo standard library handle-this-macrosProc macros for handle-this error handling crate185MIT OR Apache-2.0Rust patterns handle_errorsThis is just a macro to get the thiserror with colors and the error place4,402MIT handle_rsa lib for using handle array in rust more easier75MITMemory managementNo standard library handle_ticA crate designed to handle io on .tic files1,333MIT handle_traitA trait for types that represent handles to shared resources1,400MITRust patterns handle_trait_deriveDerive macro for the Handle trait1,341MIT handlebarsHandlebars templating implemented in Rust.83,989,586MITTemplate engineWeb programming handlebars-chronoHandlebars helper for using chrono DateTime72,512BSD-2-ClauseTemplate engineText processing handlebars-cliTemplate JSON properties into Handlebars templates from the CLI.2,087MIT handlebars-cli-extA simple Handlebars CLI interface with some extras1,585MIT OR Apache-2.0 handlebars-concatHandlebars string, array and object concatenator helper.18,147BSD-2-ClauseTemplate engineText processing handlebars-fluentHandlebars helpers for the Fluent internationalization framework15,210MIT/Apache-2.0Internationalization (i18n)Localization (L10n) handlebars-inflectorHandlebars string inflector helper.7,776BSD-2-ClauseTemplate engineText processing handlebars-ironHandlebars templating middleware for Iron.280,311MIT handlebars-magicQuickly and flexibly generate content based on handlebars templates.9,058Unlicense OR MITCommand line utilitiesDevelopment tools handlebars-markdown-helperA helper for handlebars that adds markdown rendering41,677MIT handlebars-repeatBlock repetition helper for handlebars1,688MITTemplate engineWeb programming handlebars-template-handlerHandlebars templating middleware for Iron.2,485MIT handlebars_misc_helpersA collection of helpers for handlebars (rust) to manage string, json, yaml, toml, path, file, http request.126,720CC0-1.0Template engineValue formatting handlebars_sprighandlebar template function helpers4,535non-standard handlebars_switchAdds a `{{#switch}}` helper to handlebars-rust.45,193MIT handleboxA map-like collection that reuses unused keys127,743MITData structures handledhandled is an error handling library3,065Apache-2.0 HandleEngineOpenGL based engine for designing retro games10,060MIT handlegraphLibrary for use in variation graphs35,753MITScience handlemapA collection that produces handles that can be used as keys to retrieve the stored items.1,828MIT handlemattersSelf-contained template system with Handlebars and inline shell scripts1,283MIT handler_mapMap from types to functions that receive them1,974MPL-2.0Data structuresRust patterns handler_tableA lock-free table of event handlers122,877GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0No standard library handlersA macro for generating systems of event handlers20,607Apache-2.0 handlers_sv2Sv2 Message handlers24,138MIT OR Apache-2.0 handlesType-erased strategies for sharing and cloning resources.25,303Apache-2.0 handletree-rsHelps you implement handle-based APIs.4,122BSD-3-ClauseAlgorithms handlevecSmall abstraction over index-style iteration over a vector, with deletion, insertion, and other operations on the vector while…1,521MIT OR Apache-2.0Rust patterns handlingCargo extensions for binary management403MIT handlrManage mimeapps.list and default applications with ease22,835MIT handlr-regexFork of handlr with regex support16,571MIT handmadeType with your on handwritten letter.8,811MIT handoffAn unbuffered, asynchronous, single-producer/single-consumer channel3,884MPL-2.0 handoff-mcpMCP server that gives AI coding agents persistent memory across sessions404MITCommand line utilitiesDevelopment tools handoff_counterHandoff Counters4,168MIT hands_on_data_structures_algorithms-practiceDo not use this crate it is for demo purposes only959MIT handsfreectlCommand line control interface for the Handsfree speech-to-text daemon85GPL-3.0-only handshakeNoise_IK_25519_ChaChaPoly_BLAKE2s5,760Apache-2.0 handshake-encodingEncoding Library for Handshake3,716MIT handshake-typesHandshake types2,925MIT handshakesHandshake transaction construction in Rust7,797LGPL-3.0-or-later handsoffHandsoff is code-inline scp command generator for ANY platform23MIT handsome_loggerA fast, handsome and quite easy to use logger159,584MIT OR Apache-2.0 handtrack-rsA library for hand detection.2,073MIT handwriting-scan-toolScan a page of handwriting and extract the letters as individual images. I use this tool when creating fonts based on handwriting.1,800MIT handwritten-jsonConvert a non-standard JSON string into a normalized JSON string.1,724Apache-2.0 OR MITEncoding handyA library providing handles and handlemaps469,605Apache-2.0 / MITData structuresMemory management handy-dandy-macrosA collection of some handy dandy macros.1,552MIT OR Apache-2.0Development tools handy-grpcHandy gRPC14,420MIT OR Apache-2.0 handy-keysCross-platform global keyboard shortcuts library101,557MITAPI bindingsOperating systems handy-rsA collection of utilities for my Rust projects3,226MITAlgorithmsData structures handy_asyncA handy library for describing asynchronous code declaratively61,610MITAsynchronous handy_ioA handy pattern and futures based asynchronous I/O library9,881MIT handy_macrosinstead of annoyingly writing out .to_string() just do s!()2,183MIT handybarsMinimal template parsing and expansion3,712MIT handybars_macrosAttribute macro for annotating structs and enums as Handybars values1,100MIT hanelalo-artmy cargo publish test crate, ignore please.1,188MIT haneruFor take the name1,658MIT hanfei-fa法 — ML model weight integrity verification via hierarchical Merkle trees. O(1) root check, O(k log C) layer-aware diff.20Apache-2.0AlgorithmsCryptography hanfei-shu术 — GPU-accelerated Multi-Scalar Multiplication for the Pallas elliptic curve. The first and only GPU MSM for the Halo2/Pasta…38Apache-2.0CryptographyMathematics hangMedia over QUIC44,053MIT OR Apache-2.0MultimediaNetwork programming hang-cMedia over QUIC, C Interface56MIT OR Apache-2.0MultimediaNetwork programming hang-cliMedia over QUIC8,858MIT OR Apache-2.0MultimediaNetwork programming hang-gstMedia over QUIC - Gstreamer plugin2,570MIT OR Apache-2.0MultimediaNetwork programming hang-wasmWeb implementation for MoQ utilizing WebAssembly+Typescript2,218MIT OR Apache-2.0 hangarUnstable, use at your own risk. Rust web framework, using [Rocket](https://rocket.rs), [Diesel](https://diesel.rs), and…6,573MITDevelopment toolsWeb programming hangar-apiapi for Hangar1,128WTFPL hangdevThe developers' Hangman! This is a simple CLI game to play when you're bored and don't wish to play something fancy!1,525MIT hangerAttribute macro to put hooks around a function.1,879MIT/Apache-2.0Development tools hangeulKorean alphabet manipulation library13,415MIT hangeul-idShorter unique id using Hangeul1,632MIT hangeul_jamo_rsA high-performance Korean Hangul syllable and jamo manipulation library. included Python bindings.29MITText processing hangmanA simple implementation of the classic hangman game.2,042MIT hangman_first_crate_budzix_devHangman game in Rust, not a serious project, just for fun and to learn Rust1,515MIT Hangman_Matt_CA command line ASCII Hangman game.1,039MIT OR Apache-2.0 hangman_solverSolves hangman puzzles18,175non-standard hangmanrsHangman in your terminal6,503MIT OR Apache-2.0 hangouts-rsA Google Hangouts Takeout parser library.1,647MIT hangstopBlazingly fast Hangman solver using information theory38MIT hangthedjA terminal music player with a Winamp-style visualizer engine. Placeholder release reserving the crate name; real releases to…17MIT OR Apache-2.0Command line utilitiesMultimedia::Audio hangulUtilities to manipulate Hangul Syllables29,676MITEncodingLocalization (L10n) hangul-cdhangul-cd (compose-decompose): Rust helpers for composing and decomposing Hangul syllable blocks and words.141MITInternationalization (i18n)Localization (L10n) hangyeolhangyeol은 작성자가 직접 선택한 다양한 기능을 포함하는 개인적인 Rust 라이브러리입니다.694MIT hanhan-commonmy common32,077MIT hanhan-confighanhan1,885MIT hanhan-cookcook1,111MIT hanhan-egui-commonhanhan egui common2,036MIT hanhan-logmy common2,582MIT hanhan-multi-selecthanhan19,225MIT hanhan-protomy common8,734MIT hanhancatTest1,261MIT OR Apache-2.0 hanifxMaster-level encoding module for text and files. Safe decode included.327MIT OR Apache-2.0 hanjaKorean-Hanja(Chinese character for Korean language) dictionary4,947MIT hanja_hangulA Library that converts Chinese characters to Korean characters. That is, convert hanja to hangul2,516MIT OR Apache-2.0 hanjieA nonogram game engine using Bevy3,783Apache-2.0Game development hank-pdkA Rust plugin development kit for Hank49,680MIT hank-typesGenerated type definitions for Hank49,337MIT hankblminigrepThe very first version on how to upload crate.io2,938MIT hankoKeeps your Git allowed signers file up to date with signing keys configured on software development platforms like GitHub and…10,102MITAuthenticationCommand line utilities hanko-adminHanko Admin — desktop console for administering a Hanko installation35MIT hankrsAn implementation of quasi-discrete hankel transforms in rust49MIT OR Apache-2.0MathematicsScience hanmoHangul syllable composition/decomposition and jamo conversion: conjoining jamo (U+1100) <-> precomposed syllables (U+AC00) <->…71MIT OR Apache-2.0Internationalization (i18n)Text processing hann-rsBlazingly fast Rust Hann Window1,986MITMathematicsScience hannahannaworktree wrapper for parallelized local development120MITCommand line utilitiesDevelopment tools hannibalA small actor library14,885MIT/Apache-2.0Asynchronous hannibal-deriveA small actor library12,126MIT/Apache-2.0 hannibal-lexerDFA based Lexer written in Rust.77MITCompilersParsing tools hannoyHNSW Approximate Nearest Neighbors in Rust, based on LMDB and optimized for memory usage275,261MITAlgorithmsData structures hanoiName squatting1,990MIT hanoi-speedrappTower of Hanoi desktop app for speedrunning14,178AGPL-3.0-or-later hanover-flipdotAn implementation of the Hanover Displays flipdot protocol1,510MIT hanowerWIP⚠️ CLI which calculates logarithmic or exponential backoffs from user input values4,105MPL-2.0 hansTask orchestrator.2,492MIT hans-httpWriting a http request and http response safely.1,931MIT OR Apache-2.0 hansaFederation primitive for skeg: local AI agents form trust groups and query across each other's memory.34Apache-2.0ConcurrencyDatabase interfaces hansa-cliCommand-line interface for hansa: federate agent memories without writing code.17Apache-2.0 hansardGets the last 20 Hansard Bound Volumes for the UK Parliament6,950MIT hanteker_cliCLI tool to interface with Hantek handheld osilloscope (Hantek 2D42 and 2D72)5,229GPL-3.0Command line utilities hanteker_libLibrary to interface with Hantek handheld osilloscope (Hantek 2D42 and 2D72)6,687GPL-3.0 hanukeCLI tool that checks CSV columns for consecutive sequences19MIT OR Apache-2.0Command line utilities hanzi-sortSort Chinese text by pinyin or stroke count, with polyphonic overrides and terminal-friendly output85AGPL-3.0-onlyCommand line utilitiesText processing hanzi4096This library encodes bytes into 12-bit 汉字.1,707MIT hanzoHanzo AI — Rust SDK and CLI for the Hanzo ecosystem17MITAPI bindingsCommand line utilities hanzo-3d3D representations, geometry, and mesh/point-cloud I/O for the Hanzo generative-3D stack (Pixal3D / TRELLIS / TripoSR).840BSD-3-Clause hanzo-agentAgent framework with tool calling capabilities for Hanzo AI48MIT OR Apache-2.0 hanzo-agent-marketplaceHanzo AI - Decentralized marketplace for agent services and resources18MIT OR Apache-2.0Asynchronous hanzo-agent-proxyMulti-backend OpenAI-compatible API proxy for AI agents and CLIs18MIT OR Apache-2.0API bindingsAsynchronous hanzo-agenticHanzo Network — agentic network integration with post-quantum privacy18MIT hanzo-agentsSpecialized AI agents for development workflows - architect, CTO, code reviewer18MIT OR Apache-2.0 hanzo-ai-formatHanzo AI - Universal .ai file format for AI artifacts60MIT OR Apache-2.0 hanzo-ansi-escapeANSI escape code handling for Hanzo TUI24MIT hanzo-apiHttp Api for Hanzo AI platform83MIT hanzo-app-server-protocolProtocol types for Hanzo app server21MIT hanzo-apply-patchPatch application utilities for Hanzo22MIT hanzo-audioHanzo Engine - fast, flexible LLM inference engine written in Rust.53MITAPI bindingsScience hanzo-bindgen-cudaBindgen like interface to build cuda kernels to interact with within Rust.899MIT hanzo-brainHanzo Brain — pure-CPU algorithm primitives consumed by the Hanzo Node. Cross-runtime byte-equivalent with @hanzo/bot-memory…18MIT hanzo-browserBrowser automation for Hanzo Dev21MIT