All 305,250 crates, alphabetically

heimdall-macos-sandboxmacOS Seatbelt sandbox backend for Heimdall.619MIT heimdall-privacy-filterOpenAI privacy-filter setup, ONNX Runtime inference, and text redaction for Heimdall.534MIT heimdall-process-hardeningProcess hardening helpers for Heimdall sandboxed child processes.727MIT heimdall-sandboxProcess sandbox runtime for Heimdall.451MIT heimdall-sandbox-policyPolicy document types and filesystem policy materialization for Heimdall.892MIT heimdall_errorsMacros for From trait errors7,081MIT heimeA simple dotfile manager using Rust and Lua1,254GPL-3.0-or-laterCommand line utilities heirA feature-rich intermediate representation for poker hands.1,616MIT heisenbergFramework-agnostic dual-mode web serving for Rust applications. Seamlessly switch between proxy mode (forwarding to frontend dev…916MITDevelopment toolsWeb programming heisenberg-data-processingData processing pipeline for Heisenberg location enrichment library. Includes data downloading, extraction, transformation, and…131MITScience::Geospatial heisenberg-macrosProcedural macros for the heisenberg crate278MIT heiwaA minimalist flat file CMS20,633GPL-3.0-or-later heiwa-commonA lib for the common parts of the Heiwa project5,910GPL-3.0-or-later hejELM architecture widget library, built on top of tokio and chii.695Apache-2.0 hejpicshejpics — privacy-first photo sharing service (Web GUI).17Apache-2.0 hejpics-apihejpics — backend API (Cloudflare Worker).16Apache-2.0 hejtalksAccessible-by-default chat server (MVP) for the elderly and people with disabilities.17Apache-2.0 hejtalks-protocolWire-format types shared between the hejtalks server and clients.21Apache-2.0 hekate-aesAES-128 / AES-256 AIR chiplet for the Hekate ZK proving system.178Apache-2.0CryptographyNo standard library hekate-coreCore primitives for the Hekate ZK proving system.700Apache-2.0CryptographyNo standard library hekate-cryptoHash abstraction for the Hekate ZK proving system: Blake3, SHA-256, SHA-3-256.748Apache-2.0CryptographyNo standard library hekate-gadgetsBase AIR gadgets for the Hekate ZK proving system.326Apache-2.0CryptographyNo standard library hekate-keccakKeccak-f[1600] AIR chiplet with SHA-3 and SHAKE sponges for the Hekate ZK proving system.263Apache-2.0CryptographyNo standard library hekate-mathA high-performance, constant-time implementation of binary tower fields (F(2^k)) optimized for Sumcheck, GKR-based provers, and…850Apache-2.0AlgorithmsCryptography hekate-pqcPost-quantum AIR chiplets for the Hekate ZK proving system: ML-KEM, ML-DSA, NTT, Basemul, HighBits, NormCheck.181Apache-2.0CryptographyNo standard library hekate-programAIR program and chiplet definition API for the Hekate ZK proving system: constraint DSL, typed column schema, virtual expansion,…663Apache-2.0CryptographyNo standard library hekate-prover-sysOpen-source shim that links the closed-source Hekate prover cdylib over a stable C ABI.304Apache-2.0CryptographyExternal FFI bindings hekate-scribbleTrace mutation fuzzer for Hekate ZK programs and chiplets. Tampers valid traces and asserts preflight catches every mutation.98Apache-2.0CryptographyDevelopment tools::Testing hekate-sdkClient SDK for the Hekate ZK proving system: program bundling, wire format, and preflight diagnostics.453Apache-2.0Cryptography hekate-verifierAnalytical verifier for the Hekate ZK proving system: Fiat-Shamir replay, Sumcheck, Brakedown LDT, LogUp bus matching.311Apache-2.0CryptographyNo standard library heksA lib/tool exchanges hexadecimal color input2,994GPL-3.0-or-laterCommand line utilities hektorA library for hekkin vectors.10,4430BSD helHEL — Heuristic Expression Language: a deterministic, auditable expression language & parser, AST, builtin registry and evaluator.370Apache-2.0CompilersDevelopment tools hel-coloredANSI string colorizer and styler14,144GPL-3.0 hel-fsFS helper2,770GPL-3.0 hel-promptSimple prompt helper3,950MIT hel-randomSimple RNG with weak entropy source (alloc) and xoshiro256++ hashing7,926GPL-3.0 hel-rsHigh-performance lock-free sharded sync+async MPMC/SPSC channels with keyed routing217MITAsynchronousConcurrency hel-thread-poolSimple sync thread pool7,721MIT hel-timeSimple util crate to deal with time6,574MIT HelaThis tool helps in running Static Code Analysis (SCA), Static Application Security Testing (SAST), Secret scanning, and License…5,499MIT held-karp-coreExact TSP solver using the Held-Karp bitmask dynamic programming algorithm32MITAlgorithmsScience heldar-entryHeldar Access Control — generic ANPR authorization, vehicle/visitor/watchlist registry, guard workflow, and entry reports for…182Apache-2.0Multimedia::Video heldar-kernelHeldar kernel — media/DVR control plane, perception ingest + sampler, zone engine, auth, and the worker SDK contract. The open,…332Apache-2.0Multimedia::VideoWeb programming::HTTP server heldar-movementHeldar Movement intelligence — generic cross-camera ReID + movement trails + red-zone breach alerts. Multi-signal candidate…183Apache-2.0Multimedia::Video heldar-searchHeldar semantic search — generic searchable visual-event memory. Deterministic structured search over kernel event facts + an…180Apache-2.0Multimedia::Video helenRepository review gate.21AGPL-3.0-onlyCommand line utilitiesDevelopment tools helenaCore types and component interfaces for helena, a latent data-to-waveform generation platform.17AGPL-3.0-onlyMultimedia::AudioScience helenos-uiRust bindings for HelenOS UI libraries1,713MIT helgeTiny wrapper around r2d2::Pool and diesel ConnectionManager to ease use in async contexts7,992MIT helgoboss-midiInterfaces, data structures and utilities for dealing with MIDI messages according to the MIDI 1.0 specification43,890MITData structuresEmbedded development heliaA Radiant Game Engine1,621MIT helia-bitswapBitswap protocol implementation for content exchange between IPFS nodes1,486Apache-2.0 OR MIT helia-block-brokersBlock broker abstractions for retrieving content from various sources586Apache-2.0 OR MIT helia-carCAR (Content Addressed aRchive) format support for Helia IPFS implementation914Apache-2.0 OR MIT helia-dag-cborDAG-CBOR support for Helia751Apache-2.0 OR MIT helia-dag-jsonDAG-JSON support for Helia759Apache-2.0 OR MIT helia-dnslinkDNSLink resolution for Helia916Apache-2.0 OR MIT helia-httpHTTP-only implementation of Helia for lightweight IPFS access835Apache-2.0 OR MIT helia-interfaceThe Helia API interface definitions and traits3,844Apache-2.0 OR MIT helia-interopInteroperability testing and compatibility utilities for Helia570Apache-2.0 OR MIT helia-ipnsIPNS (InterPlanetary Name System) implementation for Helia759Apache-2.0 OR MIT helia-jsonJSON support for Helia IPFS nodes1,029Apache-2.0 OR MIT helia-mfsMutable File System (MFS) implementation for Helia IPFS nodes496Apache-2.0 OR MIT helia-routersRouting abstractions for Helia (content and peer routing)497Apache-2.0 OR MIT helia-stringsSimple string storage and retrieval for Helia IPFS nodes310Apache-2.0 OR MIT helia-unixfsUnixFS filesystem implementation for Helia654Apache-2.0 OR MIT helia-utilsShared utilities and implementations for Helia1,638Apache-2.0 OR MIT helianHelian is a plotter that prints things from AST1,270MIT heliantoA minimalist static website generator9,606AGPL-3.0 heliax-ap-orchestrator-sdkAnomapay Workers Queue SDK1,360MIT OR Apache-2.0 heliax-ap-orchestrator-sharedAnomapay Workers Queue Shared Entities1,514MIT OR Apache-2.0 helicaseSIMD-accelerated library for FASTA/FASTQ parsing and bitpacking285MITScience::Bioinformatics helicityFast, pypa-compliant Python package manager, powered by Rust21MIT OR Apache-2.0Command line utilitiesDevelopment tools heliconCommand line music organizer based on metadata from MusicBrainz.1,110MPL-2.0Command line utilitiesMultimedia::Audio helicshelics.rs: Safe rust bindings to HELICS cosimulation library1,780non-standard helics-sysHELICS cosimulation library5,226non-standard helio📚 A library for creating oop-oriented code in rust. Intended for use in 'lightfetch'.2,428non-standard heliobenchSolar system navigation physics boundary benchmark v2.0: Saito(1977) coronal B-field multipole model, Leblanc(1998) two-component…56MITScienceSimulation heliocronA simple program for calculating sunrise, sunset and related times, which can be integrated with cron to trigger other programs…23,116Apache-2.0 OR MITCommand line utilitiesDate and time heliographMedium-level bindings to System V semaphores1,756Apache-2.0 OR BSD-3-ClauseOperating systemsOperating systems::Unix APIs heliometerA basic Brainfuck interpreter40,905MIT helionAmbilight clone. Stream color data of captured screen to Adalight device.1,796AGPL-3.0 heliosGeometry processing library2,289MIT helios-auditAudit event logging for HFS — FHIR AuditEvent with IHE BALP profiles454MIT helios-authAuthentication and authorization for the Helios FHIR Server424MIT helios-cds-hooksCDS Hooks protocol types and service traits for building clinical decision support services conforming to the HL7 CDS Hooks…35MIT helios-coreMultichain light client for Ethereum1,067MIT helios-daclibrary to interact with the [Helios Laser DAC](https://bitlasers.com/helios-laser-dac/)34,470MIT helios-dac-sysgenerated bindings for the helios dac sdk4,534MIT helios-engineA powerful and flexible Rust framework for building LLM-powered agents with tool support, both locally and online1,915Apache-2.0 OR MITAPI bindingsAsynchronous helios-ethereumMultichain light client for Ethereum1,086MIT helios-ethereum-consensus-coreMultichain light client for Ethereum1,038MIT helios-fhirThe helios-fhir crate is the comprehensive FHIR (Fast Healthcare Interoperability Resources) specification model implementation…24,456MIT helios-fhir-genThe helios-fhir-gen crate is module that serves as the cornerstone for generating Rust code from official FHIR (Fast Healthcare…6,717MIT helios-fhir-macroThe helios-fhirpath-support crate serves as a bridge module that provides essential types and traits for integration between the…24,623MIT helios-fhirpathThis is an implementation of HL7's FHIRPath Specification.7,907MIT helios-fhirpath-supportThe helios-fhirpath-support crate serves as a bridge module that provides essential types and traits for integration between the…24,782MIT helios-hfsHelios FHIR Server - A high-performance FHIR R4/R4B/R5/R6 server6,356MIT helios-htsHelios Terminology Server — FHIR Terminology Operations36MITWeb programming helios-light-clientMultichain light client for Ethereum1,044MIT helios-opstackMultichain light client for Ethereum1,049MIT helios-persistencePolyglot persistence layer for Helios FHIR Server1,151MITDatabase interfacesWeb programming helios-restFHIR RESTful API implementation for Helios FHIR Server1,032MITDatabase interfacesWeb programming helios-serdeSerialization module providing JSON and XML support for FHIR resources in the Helios FHIR Server.1,114MIT helios-serde-supportShared serde helpers for FHIR serialization/deserialization17,271MIT helios-sofThis crate provides a complete implementation of the SQL-on-FHIR specification for Rust, enabling the transformation of FHIR…6,856MIT helios-subscriptionsFHIR topic-based Subscriptions engine for HFS407MIT heliosdb-codekb-mcpLocal MCP server for code+docs knowledge bases, embedding HeliosDB-Nano as a library.122Apache-2.0 heliosdb-nanoPostgreSQL-compatible embedded database with TDE + ZKE encryption, HNSW vector search, Product Quantization, git-like branching,…1,163Apache-2.0Database implementationsEmbedded development heliosdb-proxyHeliosProxy - Intelligent connection router and failover manager for HeliosDB and PostgreSQL178Apache-2.0Database interfacesNetwork programming helioseleneImplementation of Helios and Selene, a curve cycle towering Ed255191,518MIT helioselene-ct-testsConstant-time tests for helioselene1,072MIT helioslogsHeliosLogs is a fast, easy, modern log search engine with analytics & AI38AGPL-3.0-only OR LicenseRef-Appbird-CommercialCommand line utilities heliosphereRust-idiomatic Tron API client library19,113MITAPI bindings heliosphere-coreRust-idiomatic Tron API client library19,348MITAPI bindings heliosphere-signerRust-idiomatic Tron API client library18,783MITAPI bindings heliotropeSOLR client for Rust programming language6,658MIT heliotrope-rsheliotrope-rs1,708MIT helioxideRust implementation of NREL Solar Position Algorithm (SPA)168MIT OR Apache-2.0MathematicsScience helioyHelioy18MIT heliumA collection of useful functionality for 2D game development.3,426MITGame engines helium-apiAn async library for the Helium blockchain REST API31,492Apache-2.0 helium-cryptoHelium Blockchain cryptography library120,424Apache-2.0 helium-jsonrpcAn async library for the Helium blockchain-node JSON_RPC interface1,749non-standard helium-locationsLocate Helium executables across desktop platforms.155MITDevelopment toolsOperating systems helium-rshelium-rs17MIT helium-wslA modern Wayland shell library wrapping layer-shika162MITGUIOperating systems::Linux APIs helium-wsl-macrosProc macros for the helium-wsl library216MIT heliusAn asynchronous Helius Rust SDK for building the future of Solana438,029MIT helius-laserstreamRust client for Helius LaserStream gRPC with robust reconnection and slot tracking189,106MIT helius-laserstream-bandwidthRust bandwidth test for Helius LaserStream gRPC626MIT helius-rust-clientA rust client wrapping Helius APIs and the standard Solana RPC client1,564MIT helius-sdkRust implementation of the Helius SDK4,166MITCryptography::Cryptocurrencies helius-signal-clientAsync Rust client for Helius Signal Feeds transaction streams.44Apache-2.0 helius-signal-protocolWire protocol and program filters for Helius Signal Feeds.68Apache-2.0 helius-signalsRust SDK and wire helpers for Helius Signals transaction streams.89Apache-2.0 helius-signals-protocolWire protocol and program filters for Helius Signal Feeds.97Apache-2.0 helius-streamResilient Helius WebSocket client for Solana with gap detection, reconnect backoff, and circuit breaker. Extracted from a…39Apache-2.0API bindingsAsynchronous helixEmbed Rust in your Ruby255,695ISCAPI bindings helix-bioageADR-034: deterministic biological-age estimate (Levine PhenoAge) from routine labs — non-diagnostic58MIT helix-calcReverse Polish Notation calculator in a terminal app.4,536GPL-3.0-onlyCommand line utilities helix-cohortADR-024: privacy-preserving cohort feature extraction (federation primitive) — generalization + cell-suppression + differential…29MIT helix-connectADR-029: live connector clients (FHIR/SMART + wearables) — transport-trait core with FHIR->ProvRecord parsing and the degradation…45MIT helix-coreThis package is a placeholder for the future helix-editor crate.1,978MPL-2.0 helix-crosstermA crossplatform terminal library for manipulating terminals.725MITCommand-line interfaceCommand line utilities helix-dbLibrary for working with HelixDB4,151Apache-2.0Data structuresDatabase interfaces helix-demoSynthetic, fictional demo dossier (the 'Alex Rivera' persona) that seeds the Helix UI/mobile demo across all six data domains.…20MIT helix-driverDriver for building helix-compatible keybindings513MIT helix-dsl-macrosProcedural macros for helix-dsl query registration2,308Apache-2.0 helix-editorThis package is a placeholder for the future helix-editor crate.5,296MPL-2.0 helix-embedADR-027: learned MiniLM text embeddings (local GPU) wired into helix-retrieval29MIT helix-enterprise-qlQuery DSL for Helix Enterprise1,464Apache-2.0Data structuresDatabase interfaces helix-escalationADR-009: red-flag escalation & clinician-in-the-loop registry for Helix61MIT helix-evidenceADR-006: evidence tiering and explicit abstention policy for Helix75MIT helix-evolveADR-035: Darwin-style parameter evolution — tunes non-safety pipeline params against a labeled eval set; safety thresholds frozen19MIT helix-fedADR-030: federation transport — opt-in, DP-gated cohort contribution over the helix-cohort privacy primitive19MIT helix-focusADR-032: deterministic, non-diagnostic 'focus areas' selection from the user's own records55MIT helix-genomeADR-021: user-owned genome ingestion & pharmacogenomics (rvDNA backend) -> Helix ProvRecords + prescriber advisories45MIT helix-kanbanA terminal-based kanban board with file-based storage, multi-project support, Helix-style keybindings, and built-in MCP server…709MIT OR Apache-2.0Command line utilities helix-llmADR-026: on-device LLM analyst — narrates grounded facts via a local-GPU model, with an anti-hallucination number-guard19MIT helix-lspThis package is a placeholder for the future helix-editor crate.1,807MPL-2.0 helix-macrosProc macros for HelixDB8,056AGPL-3.0 helix-metricsMetrics for HelixDB726AGPL-3.0 helix-neuralIntegration adapter: ruvnet/ruv-neural gamma-entrainment/EEG session evidence -> Helix ProvRecords (research-grade screening, not…29MIT helix-noiseDivergence-free helical (Beltrami) spectral flow-field noise, evaluatable analytically at any point in space and time.…35MITGame developmentGraphics helix-numericADR-007: deterministic numeric/trend engine for Helix (the LLM never does arithmetic)105MIT helix-ocrADR-022: OCR lab-document ingestion (RuVector OCR backend) -> gated, conservative-confidence ProvRecords29MIT helix-ontologyADR-004: canonical ontology normalization (LOINC/RxNorm/SNOMED/ICD-10/UCUM) for Helix30MIT helix-pipelineADR-002/005: the grounded-answer pipeline wiring Helix's anti-hallucination crates47MIT helix-provenanceADR-005: provenance records and retrieval-grounding enforcement for Helix184MIT helix-refrangesNHANES-derived population reference intervals — a labeled FALLBACK when a lab supplies no reference range50MIT helix-retrievalADR-023: semantic retrieval contract over the health graph (RuVector HNSW/GraphRAG backend)39MIT helix-rsRust SDK for HelixDB9,003AGPL-3.0 helix-rtA high-performance AI API Gateway and Dynamic Batching framework.17MITAsynchronousNetwork programming helix-scoreADR-016: transparent, decomposable, non-diagnostic 0-100 health score for Helix65MIT helix-sensingADR-020: RuView WiFi-CSI contactless ambient sensing -> Helix ProvRecords + escalation screening flags29MIT helix-syntaxThis package is a placeholder for the future helix-editor crate.1,731MPL-2.0 helix-termThis package is a placeholder for the future helix-editor crate.8,863MPL-2.0 helix-timelineADR-031: longitudinal health-score timeline — deterministic, methodology-versioned, trend-first56MIT helix-tuiThis package is a placeholder for the future helix-editor crate.2,099MPL-2.0 helix-vaultADR-001/013: user-owned, local-first encrypted vault boundary (XChaCha20-Poly1305) for Helix20MIT helix-verifierADR-008: independent verifier/critic that re-derives every claim from source before it reaches the user19MIT helix-viewThis package is a placeholder for the future helix-editor crate.1,814MPL-2.0 helix-visionADR-028: learned visual encoder (local GPU) — layout-only vision captioning + MiniLM embedding for helix-visual19MIT helix-visualADR-025: visual RAG over medical documents/images (rupixel backend) — tile embeddings + MaxSim late interaction45MIT helix-wasmWASM binding exposing the Helix analytic pipeline to the web/mobile UI19MIT helix_runtimeEmbed Rust in your Ruby6,836MIT/Apache-2.0 helixirInteractive CLI tutorial for learning HelixDB2,945MITCommand line utilitiesDatabase interfaces helixir-macrosInteractive CLI tutorial for learning HelixDB1,048MITCommand line utilitiesDatabase interfaces helixiserA crate for the calculation of diffraction patterns of helical objects9,529MITMathematicsMultimedia::Images helixlauncher-cliHelix Launcher CLI1,578MPL-2.0 helixlauncher-coreMinecraft launching library built on Rust2,803MPL-2.0 helixlauncher-guiHelixLauncher GUI1,559MPL-2.0 helixlauncher-metaHelixLauncher meta library3,349MPL-2.0 helixrouterAdaptive async compute routing engine: per-job strategy selection (inline/spawn/pool/batch/drop) driven by live pressure, EMA…56MITAsynchronousConcurrency helixuiA modern UI component library for Dioxus applications295MITDevelopment toolsGUI hellThe Holy shELL1,796AGPL-3.0 hellcheckHTTP health checker5,067MITNetwork programmingWeb programming helldive_rsA rust wrapper for the unofficial helldivers API.5,459MITAPI bindingsWeb programming