All 305,250 crates, alphabetically

hodei-authz-axumAxum web framework integration for Hodei authorization519MIT OR Apache-2.0AuthenticationWeb programming hodei-authz-postgresPostgreSQL policy store adapter for Hodei authorization framework523MIT OR Apache-2.0AuthenticationDatabase interfaces hodei-authz-redisRedis cache invalidation adapter for Hodei authorization framework520MIT OR Apache-2.0AuthenticationCaching hodei-authz-sdkComplete Cedar Policy-based authorization SDK with auto-discovery and builder pattern208MIT OR Apache-2.0AuthenticationWeb programming hodei-deriveDerive macros for Hodei authorization framework - auto-generate Cedar schemas1,104MIT OR Apache-2.0AuthenticationDevelopment tools::Procedural macro helpers hodei-hrnHodei Resource Names (HRN) - Unique resource identification system for authorization1,105MIT OR Apache-2.0AuthenticationData structures hodei-kernelCore types and traits for Hodei authorization system with Cedar Policy203MITAuthenticationWeb programming hodei-providerProvider traits and inventory system for Hodei authorization with Cedar Policy196MITAuthenticationWeb programming hodei-provider-deriveProcedural macros for Hodei authorization system with Cedar Policy201MITAuthenticationDevelopment tools::Procedural macro helpers hodge-beliefHodge decomposition for belief states with interpretability16MITMathematicsScience hodge-belief-rsHodge decomposition of belief systems — applying Hodge theory to analyze belief flow, conflict, and stability in multi-agent…17MITMathematicsScience hodge-consensusHodge decomposition for agent disagreement resolution — predict which disputes resolve17MIT hodge-empathyTopological empathic audio layer — inversive synthesis via Hodge decomposition and de Rham cobordism paths in emotional state…17MITMultimedia::AudioScience hodgecodecFirst Hodge decomposition audio codec — encode/decode .hodge files30MIT hodgepodgeLightweight dataset crate of enums for prototyping, teaching, and experimentation6,747MIT OR Apache-2.0Data structuresDevelopment tools::Testing hodgesA small library for high speed, high quality pcm audio decoding.5,136GPL-3.0-or-later hodgkin-huxleyHigh-performance Hodgkin-Huxley neuron models with exact biophysical equations for computational neuroscience352MIT OR Apache-2.0ScienceSimulation hodlHodl (/ˈhɒdəl/ HOD-əl; often written HODL) is slang in the cryptocurrency community for holding a cryptocurrency rather than…1,686MIT hodl-tickerRust cryptocurrency prices on CLI16,410MIT hodokuA simple collection of macros to aid diagnostics during testing.7,419MIT OR Apache-2.0Development toolsNo standard library hodorHold the door, an exit blocker built on top of ctrlc1,344MIT hodor-programHodor program1,587Apache-2.0 hodosA crate for building dynamic and policy driven graph traversals27MIT hoduA user-friendly ML framework built in Rust for rapid prototyping and embedded deployment2,216BSD-3-ClauseScience hodu_corehodu core2,914BSD-3-Clause hodu_cpu_kernelshodu cpu kernels883BSD-3-Clause hodu_cuda_kernelshodu cuda kernels741BSD-3-Clause hodu_internalhodu internal2,437BSD-3-Clause hodu_macro_utilshodu macro utils1,142BSD-3-Clause hodu_metal_kernelshodu metal kernels918BSD-3-Clause hodu_nnhodu nn2,625BSD-3-Clause hodu_nn_macroshodu nn macros2,778BSD-3-Clause hodu_utilshodu utils620BSD-3-Clause hodu_utils_macroshodu utils macros764BSD-3-Clause hodu_xlaBindings for the XLA C++ library.2,453MIT/Apache-2.0Science hoeCLI tool for Soil framework.21GPL-3.0-or-later WITH Classpath-exception-2.0 hoedownbindings for the Hoedown markdown processor189,907BSD-3-Clause hoeffding_integer_dHoeffding's Dependence coefficient presented as an integer between minimum and maximum integer values of the statistic. …1,658MIT OR Apache-2.0Algorithms hoekhoek.io root crate1,586MIT OR Apache-2.0 hoenir-coreHœnir for handling the corresponding exchange of data using Rust.20,049non-standardCommand line utilitiesData structures hofHacker one fetcher, fetch hacker one projects and get subdomains and heders for all scope domains.13,354MIT hofmann-rfcRust implementation of RFC 9380 (Hash-to-Curve), RFC 9497 (OPRF), and RFC 9807 (OPAQUE)142Apache-2.0Cryptography hogHog2,013WTFPL hogwildData types for hogwild SGD13,686Apache-2.0 hohibeHierarchical Identity Based Encryption (HIBE) for Rust1,571LGPL-3.0-or-laterCryptographyMathematics hohohoIntepreter for Santa's Programming Language - HoHoHo!2,666MIT hoihoi is a command-line tool to help create simple command-line powered utilities.4,082MITCommand line utilitiesDevelopment tools hoi4saveErgonomically work with HOI4 saves26,575MITParsing tools hoicko_libHoicko library13,077non-standard hoicko_rowsHoicko library5,835non-standard hoicolorconvert hearts of iron colors -> ansi1,223MITCommand line utilities hoika new kind of stream parser652MIT OR Apache-2.0 hoistCLI for managing pnpm monorepo Docker development environments38MIT hoist_temporariesProcedural macro to extend the lifetimes of temporary variables.4,240BSD-3-ClauseDevelopment toolsRust patterns hoister_sharedshared components use accross the hoister system25MIT hojichaElm Architecture for terminal UIs in Rust, inspired by Bubbletea1,368GPL-3.0Command-line interfaceGUI hojicha-coreCore Elm Architecture abstractions for terminal UIs in Rust1,616GPL-3.0Command-line interfaceGUI hojicha-pearlsUI components and styling for Hojicha TUI framework766GPL-3.0Command-line interface hojicha-renderingHigh-performance rendering optimization for Hojicha TUI framework414GPL-3.0CachingGUI hojicha-runtimeEvent handling and async runtime for Hojicha TUI framework1,246GPL-3.0AsynchronousCommand-line interface hokHok is a CLI implementation of Scoop in Rust1,010Apache-2.0 hokaidoTerminal sharing tool.35,478MIT hokayA bare-bones HTTP server that always returns with 204 No Content.5,241MIT hokmah-uciChess UCI lib for rust2,863MIT hokoriA cautious, TUI-first macOS disk cleaner20MITCommand line utilities hokusaiPure Rust brush engine inspired by libmypaint (umbrella crate)290MIT OR Apache-2.0GraphicsMultimedia::Images hokusai-brushlibmypaint `.myb` JSON read/write for hokusai384MIT OR Apache-2.0GraphicsMultimedia::Images hokusai-corePure Rust brush engine inspired by libmypaint — core types and stroke engine447MIT OR Apache-2.0GraphicsMultimedia::Images hokusai-tile-memIn-memory HashMap-backed TiledSurface for hokusai (reference impl)381MIT OR Apache-2.0GraphicsMultimedia::Images hokusai-tiny-skiaFlatten a hokusai TiledSurface into a tiny-skia Pixmap295MIT OR Apache-2.0GraphicsMultimedia::Images hokusai-wasmwasm-bindgen bindings for the hokusai brush engine63MIT OR Apache-2.0GraphicsMultimedia::Images hola👋 Hello CLI in Rust2,608non-standardCommand line utilitiesDevelopment tools::Cargo plugins hola_mundoA binary crate to test an upload to crates.io2,682MIT holaqPersonal utils kit1,853Apache-2.0 holdRust file storage engine, supporting multiple storage backends10,155MIT hold-macroextended todo!() macro that can suppress unused value warnings1,152ISC hold_my_beerDon't let unsafe get you down4,773MIT/Apache-2.0 hold_s3AWS S3 provider for Hold, the Rust file storage engine6,995MIT holdaConvenience macros for creating domain objects with serde support.704MPL-2.0Development tools holdemTexas Hold'em specific types and logic.18,935MIT holdergetter setter auto gen with holder trait12,957MIT holder_derivegetter setter auto gen with holder trait13,221MIT holderplaceA simple and fast command-line tool for generating placeholder images.775MITCommand line utilitiesGraphics holdingCommandline toolkit for immersive DnD1,718MIT OR Apache-2.0Command line utilitiesDate and time holding_colorA provider of simple colors.3,336MIT OR Apache-2.0 holding_kronosA flexible library for working with custom fantasy calendars3,226MIT OR Apache-2.0 holding_solarA flexible library for defining planets and orbits2,617MIT OR Apache-2.0 holditA safety harness for AI agents to prevent catastrophic command execution.23MITCommand line utilitiesDevelopment tools holdmybeer-cliAPI server for inter-process communication between AI agents.23non-standard holdmybeer-serverHold My Beer's API server for inter-process communication between AI agents.24non-standard holdonWait for anything. Know why if it doesn't.241MIT OR Apache-2.0Command line utilitiesNetwork programming holdoutA tamper-resistant, agent-facing verification oracle: grade a candidate against a sealed held-out suite it cannot read or edit.45MITCommand line utilitiesDevelopment tools::Testing holdsA Rust library to add the "Holds" trait for a value that can hold another value.1,965MIT OR Apache-2.0 hole-punchA WIP cross platform library for extracting information about holes in sparse files.44,868MIT OR Apache-2.0 hole-punch-connectHelp functions/methods for UDP hole punching4,197non-standardNetwork programming holecard-cliA secure CLI password manager with dual-key encryption and TOTP support185MIT OR Apache-2.0Command line utilitiesCryptography holenHolen is an Async Web Server written in Rust.1,734MIT OR Apache-2.0Network programming holen-http1Holen is an Async Web Server written in Rust.1,785MIT OR Apache-2.0Network programming holen-http2Holen is an Async Web Server written in Rust.1,791MIT OR Apache-2.0Network programming holen-http3Holen is an Async Web Server written in Rust.1,811MIT OR Apache-2.0Network programming holepunchA crate which allows two hosts to establish a TCP stream with zero port forwarding or firewall configuration required.3,342MIT OR Apache-2.0 holesno_std communication channels2,225Apache-2.0 holgerHolger guards your artifacts at rest. May Allfather Odin watch over every bit.791MITCommand line utilitiesDevelopment tools holger-agent-cliHolger agent CLI: airgap and transfer artifacts between registries157MIT holger-agent-libHolger agent library: airgap, export, push operations using connectors232MIT holger-airgapTyped Rust interface to the holger airgap populate-driver (Tool #5). Models stack/scale/target/auth, builds the populate…21MIT OR Apache-2.0 holger-artifactory-connectorHolger connector for JFrog Artifactory (REST + AQL, basic/bearer/mTLS auth)21MIT holger-bench-scenariosShared bench scenario builders + measurement loops, called by both the integration test suite and the xtask nornir-bench example.…19MIT holger-build-spaceHolger's build-space declared as data — the three deployment tiers (embedded · mini · full) filled into nornir-build-thing's…15MIT OR Apache-2.0 holger-cliHolger guards your artifacts at rest.1,680MITCommand line utilitiesDevelopment tools holger-coreHolger guards your artifacts at rest. May Allfather Odin watch over every bit.426MITCommand line utilitiesDevelopment tools holger-file-oci-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.145MITCommand line utilitiesDevelopment tools holger-mannequinTest dummy daemon: PKI, OIDC, mock registries for holger development152MIT holger-maven-znippy-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.150MITCommand line utilitiesDevelopment tools holger-nexus-connectorHolger connector for Sonatype Nexus247MIT holger-python-znippy-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.151MITCommand line utilitiesDevelopment tools holger-ronHolger guards your artifacts at rest. May Allfather Odin watch over every bit.827MITCommand line utilitiesDevelopment tools holger-rust-file-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.297MITCommand line utilitiesDevelopment tools holger-rust-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.1,001MITCommand line utilitiesDevelopment tools holger-rust-znippy-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.337MITCommand line utilitiesDevelopment tools holger-server-cliHolger server CLI155MIT holger-server-libHolger server library: config, wiring, gRPC service, Rust API270MIT holger-traitsHolger guards your artifacts at rest. May Allfather Odin watch over every bit.1,971MITCommand line utilitiesDevelopment tools holger-uiOperator/admin UI for holger over the HolgerObject core API — egui via facett, embedded (LocalHolger, direct core calls) or…49MIT OR Apache-2.0 holger-world-connectorHolger connector for crates.io (world)241MIT holger-znippy-composer-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.146MITCommand line utilitiesDevelopment tools holger-znippy-conda-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.147MITCommand line utilitiesDevelopment tools holger-znippy-deb-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.144MITCommand line utilitiesDevelopment tools holger-znippy-docker-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.144MITCommand line utilitiesDevelopment tools holger-znippy-gem-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.144MITCommand line utilitiesDevelopment tools holger-znippy-go-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.142MITCommand line utilitiesDevelopment tools holger-znippy-helm-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.148MITCommand line utilitiesDevelopment tools holger-znippy-maven-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.165MITCommand line utilitiesDevelopment tools holger-znippy-npm-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.143MITCommand line utilitiesDevelopment tools holger-znippy-nuget-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.145MITCommand line utilitiesDevelopment tools holger-znippy-package-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.143MITCommand line utilitiesDevelopment tools holger-znippy-python-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.165MITCommand line utilitiesDevelopment tools holger-znippy-rpm-repositoryHolger guards your artifacts at rest. May Allfather Odin watch over every bit.145MITCommand line utilitiesDevelopment tools HoLibLibrary for extracting and replacing assets in .ho archives4,485MIT holidayA rust library for defining and iterating over annually repeating dates and holidays.8,799MITDate and time holiday-cnChinese holiday library8,435MIT holiday-engine2026-2027 Chinese statutory holidays dataset: Spring Festival, National Day, Mid-Autumn, Dragon Boat, Qingming, Labor Day plus…185MIT holiday-rsLightweight holiday and business-day calculations (MVP: FR)545MITAPI bindingsDate and time holiday_apiThe Holiday API client wrapper.275MITNetwork programmingWeb programming::HTTP client holiday_checkerA crate for managing and querying holiday data, including filtering by date, type, and category and whether date is a holiday…2,095MITCommand line utilitiesDate and time holiday_czFind out dates of Czech public holidays2,264MIT/Apache-2.0 holiday_deProvides dates for public holidays in Germany since 19955,040Apache-2.0 AND MIT holiday_event_apiThe Official Holiday and Event API for Rust.3,919MITAPI bindingsAsynchronous holiday_jpholiday_jp6,376MIT/Apache-2.0 holidayapi_rustA HolidayAPI library for Rust10,490MITAPI bindingsAsynchronous holidayfyiHoliday dates, Easter calculation, and 200+ country calendars — async API client for holidayfyi.com.37MITAPI bindingsData structures holidaysRust library to provide accurate and up-to-date holiday dates based on Python holidays package12,945non-standard holidays-gemPlaceholder to reserve the crate name. More here soon.1,821MIT holidays-ruA library for determining working days, weekends, and holidays in Russia.93MIT OR Apache-2.0Data structuresDate and time holidays_jpholidays_jp determines Japanese national holiday. The definition of holidays is based on csv file provided by the Cabinet Office.3,227MITCommand line utilitiesDate and time holidays_seSwedish holidays9,584MITLocalization (L10n) holirustsA crate for getting holidays per date1,264MIT holiumThis crate provides a CLI offering a simple implementation of the Holium protocol. For more information, check out the official…8,016MITCommand line utilities holium-backendBackend crate for the Holium Rust SDK procedural macro.7,467MIT holium-macroProcedural macro for the Holium Rust SDK.6,222MIT holium-macro-supportSupport crate for the procedural macro for the Holium Rust SDK.6,795MIT holium-rs-sdkHolium Rust SDK.5,440MIT hollasimple test.1,1840BSD holloman3Content fingerprinting via Hilbert curve mapping and Lanczos-3 downsampling. Produces compact 16-byte fingerprints for file…31Apache-2.0Parsing toolsScience hollowattr macro to swallow the body of fn attached to2,413BSD-3-ClauseDevelopment tools::Debugging hollow-teaHollowed TUI framework790MIT hollowteaA hollowed TUI framework 👻845MPL-2.0 hollyA simplistic actor model library using futures.11,694non-standardAsynchronous hollywoodhollywood actor framework17,266Apache-2.0 hollywood_macrosMacros for the Hollywood actor framework17,679Apache-2.0 holmesHolmes Inference System2,304MIT holo-deckA simple HTTP file server with built-in reverse SSH tunneling for easy external access85MIT OR Apache-2.0Command line utilitiesNetwork programming holo-yangYANG module of Holo Routing, including embedded YANG models and utility code11,630MIT holo_hashhashing helpers supporting dht sharding465,982Apache-2.0Cryptography holochainHolochain, a framework for distributed applications432,523CAL-1.0 holochain-app-ws-testerVerify a holochain conductor is running and has a reachable app websocket at a given URL2,582MIT holochain-client-coreA client side rust library for communicating with a running Holochain conductor1,736MIT holochain-conductor-runtime-types-ffiTypes used in holochain-conductor-runtime-ffi, used by both client and service.3,277MIT OR Apache-2.0 holochain-runnera Holochain runtime binary with key management, good defaults, and Status Update events. Suitable for development and production…28,855CAL-1.0 holochain-servicesHolochain Conductor Services types1,457Apache-2.0 holochain_anchorsA crate to help Holochain apps use the anchor pattern5,801non-standard holochain_cascadeLogic for cascading updates to Holochain state and network interaction361,588Apache-2.0 holochain_chcDefines the Chain Head Coordinator (CHC) API for Holochain and provides an HTTP client implementation.73,729Apache-2.0 holochain_cliProvides the `hc` binary, a helpful CLI tool for working with Holochain.311,573Apache-2.0Command line utilitiesDevelopment tools::Build Utils holochain_cli_bundleDNA and hApp bundling functionality for the `hc` Holochain CLI utility283,771Apache-2.0Command line utilitiesDevelopment tools::Build Utils holochain_cli_clientCLI utilities for interacting with Holochain conductors977Apache-2.0 holochain_cli_launchA CLI to launch holochain apps in a Holochain Launcher environment for testing and development purposes.6,250non-standardCommand line utilitiesDevelopment tools holochain_cli_run_local_servicesRun a holochain webrtc signal server and bootstrap server.108,378Apache-2.0Command line utilitiesDevelopment tools::Build Utils holochain_cli_sandboxA library and CLI to help create, run and interact with sandboxed Holochain conductor environments, for testing and development…335,476Apache-2.0Command line utilitiesDevelopment tools::Build Utils holochain_cli_signal_srvRun a holochain webrtc signal server.2,715Apache-2.0Command line utilitiesDevelopment tools::Build Utils holochain_clientA Rust client for the Holochain Conductor API121,910MIT holochain_client_instrumentedAn instrumented wrapper around the holochain_client7,590MITDevelopment tools::ProfilingDevelopment tools::Testing holochain_commonholochain core commons71,468GPL-3.0-only holochain_conductor_apiMessage types for Holochain admin and app interface protocols391,908Apache-2.0 holochain_conductor_configProvides utilities for generating holochain conductor configuration.42,349Apache-2.0ConfigurationDevelopment tools::Build Utils holochain_conductor_libholochain conductor library42,310GPL-3.0-only holochain_conductor_lib_apiholochain conductor lib api50,718GPL-3.0-only holochain_conductor_servicesHolochain Conductor Services types124,353Apache-2.0 holochain_conductor_wasmholochain wasm40,406GPL-3.0-only holochain_coreholochain core44,504GPL-3.0-only