Source: doc.rust-lang.org (std library reference) · crates.io database dump, 2026-07-25 (crates directory)Contact
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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.

phenotype-macroExports `#[derive(Phenotype)]` macro for `Peapod` crate7,056MIT OR Apache-2.0 phenotype-mcpPhenotype MCP integration adapter for substrate routing and dispatch.14MIT phenotype-mcp-assetMCP server for asset build and discovery operations20MIT phenotype-mcp-testingMCP server for game testing and validation operations21MIT phenotype-patchUnified diff and patch20MIT phenotype-sentinelRate limiting, circuit breaker, bulkhead39MIT phenotype-skillsModular Skill System for Agent Orchestration19MITDevelopment toolsWebAssembly phenotype-vesselContainer utilities31MIT phenotyperCore compiler library for the Phenotyper structural artifact definition language57Apache-2.0CompilersDevelopment tools::Build Utils phenotyper-cliCLI for the Phenotyper compiler18Apache-2.0Command line utilitiesCompilers phenotypesCommon types and traits for modeling clinical information2,129non-standard phetchquick lil gopher client41,802MITCommand line utilities phewFast HTML + PHP formatter for Yii 2 view files36MIT phext-latticeMemory-mapped 9D phext lattice with O(1) coordinate lookup, sentron topology, and web/TUI editors51MITCommand line utilitiesText editors phext-shellA phext-native implementation of an operating system shell13,255MIT phfRuntime support for perfect hash function data structures444,201,519MITData structuresNo standard library phf_builderDEPRECATED: removed in 0.8.0. Runtime creation of perfect hash function data structures19,237MIT phf_codegenCodegen library for PHF types252,590,220MITData structures phf_generatorPHF generation logic371,753,466MITData structures phf_macCompiler plugin for perfect hash function data structures50,488MIT phf_macrosMacros to generate types in the phf crate213,118,449MITData structures phf_mutPerfectly hashed mutable containers8,329GPL-3.0 phf_sharedSupport code shared by PHF libraries486,413,779MITData structures phi*Reserved crate name, WIP.* Light-weight physisics simulation library.3,190MPL-2.0 phi-accrualImplementation of the Phi Accrual Failure Detector2,536MIT phi-accrual-detectorPluggable phi-accrual-detection package for healthcheck of monitored processes6,408MITAlgorithms phi-accrual-failure-detectorPhi Accrual Failure Detector852Apache-2.0Algorithms phi-coreSimple, effective agent loop with tool execution and event streaming97MITAPI bindingsAsynchronous phi-detectorAn Implementation of Phi Accrual Failure Detector11,588MITAlgorithms phi_save_codecPhigros Cloud Save Codec Library281MIT phidgetPhidget library for Rust.16,853MITEmbedded developmentHardware support phidget-sysLow-level, unsafe, Rust wrapper for the phidget22 library.11,396MITEmbedded developmentHardware support phieExperimental emulator of a processor that understands 𝜑-calculus expressions2,761non-standardCommand line utilities phigParser and serializer for phig111MIT phigbottelegram bot for Phigros3,884GPL-3.0 philMongoDB cluster initializer4,554Apache-2.0 phil-coreMongoDB cluster initializer5,511Apache-2.0 phil-opp(empty for now)1,631MIT/Apache-2.0 phileThe Painless High-Level Persistence Engine8,988BSD-2-Clause-FreeBSDCommand-line interfaceCommand line utilities philecThe Painless High-Level Persistence Engine3,508BSD-2-Clause-FreeBSDCommand-line interfaceCommand line utilities philharmonicPhilharmonic workflow orchestration system — meta-crate re-exporting the entire crate family. Depends on all published library…106Apache-2.0 OR MPL-2.0Data structures philharmonic-apiPublic HTTP API for the Philharmonic workflow orchestration system: tenant endpoints, ephemeral-token minting, workflow CRUD,…166Apache-2.0 OR MPL-2.0 philharmonic-connector-clientConnector-layer lowerer for Philharmonic: decrypts per-tenant endpoint configs, re-encrypts byte-identically to the destination…277Apache-2.0 OR MPL-2.0 philharmonic-connector-commonShared vocabulary for the Philharmonic connector layer: COSE token and payload types, realm model, ConnectorCallContext, shared…631Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-apiTrait-only API crate between the philharmonic-connector-service framework and per-implementation connector crates. Non-crypto;…489Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-dnsDNS-querying connector implementation for Philharmonic (dns_query capability — stub-resolver via /etc/resolv.conf).18Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-email-smtpSMTP email connector implementation for Philharmonic (email_send capability).72Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-embedEmbedding connector implementation for Philharmonic (embed capability: text in, vector out).128Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-http-forwardGeneric HTTP forwarding connector implementation for Philharmonic, built on mechanics-config's HttpEndpoint schema (http_forward…130Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-llm-anthropicAnthropic Messages API connector implementation for Philharmonic (llm_generate capability).73Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-llm-geminiGoogle Gemini API connector implementation for Philharmonic (llm_generate capability).72Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-llm-openai-compatOpenAI-compatible LLM connector implementation for Philharmonic, covering OpenAI, vLLM, and compatible gateways (llm_generate…133Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-sql-mysqlMySQL connector implementation for Philharmonic (sql_query capability).129Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-sql-postgresPostgreSQL connector implementation for Philharmonic (sql_query capability).128Apache-2.0 OR MPL-2.0 philharmonic-connector-impl-vector-searchVector-search connector implementation for Philharmonic (vector_search capability).191Apache-2.0 OR MPL-2.0 philharmonic-connector-routerPer-realm HTTP dispatcher for the Philharmonic connector layer. Terminates TLS and forwards traffic to connector service…179Apache-2.0 OR MPL-2.0 philharmonic-connector-serviceService framework for per-realm Philharmonic connector binaries: token verification, payload decryption, Implementation-trait…241Apache-2.0 OR MPL-2.0 philharmonic-policyPolicy and tenancy for Philharmonic: Tenant, Principal, RoleDefinition, RoleMembership, MintingAuthority, AuditEvent entity kinds…382Apache-2.0 OR MPL-2.0 philharmonic-storeStorage substrate traits for the Philharmonic workflow orchestration system: content store, identity store, entity store.…461Apache-2.0 OR MPL-2.0Data structures philharmonic-store-sqlx-mysqlMySQL-family storage backend for the Philharmonic substrate, using sqlx. Targets MySQL 8, MariaDB, Aurora MySQL, and TiDB with…339Apache-2.0 OR MPL-2.0Database interfaces philharmonic-typesCornerstone types for the Philharmonic workflow orchestration system: content-addressed JSON, phantom-typed UUID identities,…1,070Apache-2.0 OR MPL-2.0Data structuresEncoding philharmonic-workflowWorkflow orchestration layer for Philharmonic: WorkflowTemplate, WorkflowInstance, StepRecord entity kinds, the engine, and the…277Apache-2.0 OR MPL-2.0 philiaTBD320BSD-2-Clause philiprehberger-argon2-easyDead-simple password hashing with Argon2id — hash() and verify(), nothing more69MITCryptography philiprehberger-assert-cmdErgonomic CLI binary integration testing with fluent assertions on stdout, stderr, and exit code89MITCommand line utilitiesDevelopment tools::Testing philiprehberger-bench-utilsMicro-benchmarking utilities with statistical analysis, comparison, and regression detection82MITDevelopment toolsDevelopment tools::Profiling philiprehberger-byte-fmtHuman-readable byte size formatting and parsing162MITText processingValue formatting philiprehberger-cache-kitGeneric LRU cache with TTL, tags, and async support for Rust243MITCachingData structures philiprehberger-changelogProgrammatic CHANGELOG.md parsing, generation, and manipulation following Keep a Changelog format69MITDevelopment toolsText processing philiprehberger-clicolorCross-platform terminal color and style output with automatic capability detection67MITCommand-line interfaceText processing philiprehberger-colorColor manipulation library — parsing, conversion, blending, contrast checking, and ANSI terminal output69MITCommand-line interfaceValue formatting philiprehberger-config-loaderLayered configuration from files and environment variables169MITConfiguration philiprehberger-cron-parserCron expression parsing, scheduling, and human-readable descriptions186MITDate and timeParser implementations philiprehberger-csv-toolkitHigh-level CSV reading, writing, and manipulation149MITEncodingParser implementations philiprehberger-date-utilsDate and time utilities — business days, date ranges, holiday calendars, and formatting shortcuts83MITDate and time philiprehberger-diff-assertBetter test assertion diffs with colored inline comparisons147MITDevelopment tools::Testing philiprehberger-dotenvFast .env file parser with variable interpolation, multi-file layering, and type-safe loading88MITConfigurationDevelopment tools philiprehberger-duration-fmtHuman-readable duration formatting and parsing217MITDate and timeValue formatting philiprehberger-email-parserRFC 5322 compliant email address parsing, validation, and normalization86MITParser implementationsWeb programming philiprehberger-env-validatorTyped environment variable validation with batch error reporting for Rust217MITConfigurationDevelopment tools philiprehberger-event-busThread-safe event bus with typed listeners for Rust194MITConcurrencyData structures philiprehberger-feature-flagsIn-memory feature flag evaluation with rollout, environment, targeting, and A/B variant support for Rust230MITConfigurationData structures philiprehberger-guard-clauseEarly-return guard clause macros for cleaner control flow151MITNo standard libraryRust patterns philiprehberger-healthcheck-clientHTTP health check client for monitoring service dependencies with configurable thresholds99MITNetwork programmingWeb programming philiprehberger-http-testDeclarative HTTP API integration testing framework with fluent assertions67MITDevelopment tools::TestingWeb programming philiprehberger-id-genUnified ID generation: ULID, UUIDv7, NanoID, and Snowflake198MITAlgorithmsData structures philiprehberger-ip-utilsIP address utilities — CIDR matching, subnet calculation, classification, and anonymization70MITNetwork programming philiprehberger-json-diffStructural JSON diff with path tracking for Rust164MITData structuresEncoding philiprehberger-jwtJSON Web Token encoding, decoding, and validation with HMAC algorithms100MITCryptographyWeb programming philiprehberger-maskData masking and redaction for strings, emails, and sensitive data166MITText processingValue formatting philiprehberger-mime-detectFile type detection from content (magic bytes), file extension, and MIME type mapping89MITFilesystemWeb programming philiprehberger-mock-serverLightweight, per-test HTTP mock server for testing API integrations84MITDevelopment tools::TestingWeb programming::HTTP server philiprehberger-parallelEasy parallel iteration — par_map, par_filter, par_for_each with progress and error collection83MITAlgorithmsConcurrency philiprehberger-rate-limiterToken bucket, sliding window, and fixed window rate limiting186MITAlgorithmsWeb programming philiprehberger-result-extExtension traits for Result and Option with tap, map, and error accumulation186MITNo standard library::No dynamic allocationRust patterns philiprehberger-retry-kitAsync retry with exponential backoff and circuit breaker for Rust301MITAsynchronousNetwork programming philiprehberger-safe-shutdownGraceful shutdown coordination with timeout support for Rust166MITAsynchronousConcurrency philiprehberger-secret-storeSecure in-memory secret storage with automatic zeroization, expiry, and redacted display163MITCryptography philiprehberger-semver-utilSemantic versioning with range parsing, comparison, and bumping172MITConfigurationParser implementations philiprehberger-service-healthService health checker with liveness and readiness probes for Rust154MITNetwork programmingWeb programming philiprehberger-slugUnicode-aware slug generation for URL-safe strings155MITText processingWeb programming philiprehberger-str-utilsString manipulation utilities — truncation, case conversion, padding, and whitespace operations70MITText processing philiprehberger-table-fmtTerminal table rendering with alignment, borders, Unicode support, and ANSI color awareness70MITCommand-line interfaceValue formatting philiprehberger-task-queueIn-process thread-based task queue with priority and concurrency control234MITConcurrencyData structures philiprehberger-templateLightweight string template engine with variables, conditionals, and loops170MITTemplate engineText processing philiprehberger-typed-headersStrongly-typed HTTP header parsing and construction for common headers84MITParser implementationsWeb programming philiprehberger-webhook-signatureHMAC-SHA256 webhook signing and verification for Rust255MITAuthenticationWeb programming philips-isyntax-rsRust bindings to the Philips Open Pathology C++ library67,898MIT OR Apache-2.0External FFI bindingsScience philips_hue_clientRust library for Philips Hue lights4,732MIT philipshueRust library for Philips Hue lights26,750MIT philipshue-edjRust library for Philips Hue lights1,804MIT philomenaAn async Philomena client for Rust709non-standard PhilosopherPhilosopher Dining Program Sample3,539MIT philote-mdoA Rust library for building MDO analysis discipline servers using the Philote gRPC standard18Apache-2.0ScienceSimulation philoxPhilox4x32-10 random number generator2,081MITAlgorithmsScience phink🐙 Phink, a ink! smart-contract property-based and coverage-guided fuzzer3,533WTFPLCommand line utilitiesCryptography::Cryptocurrencies phishnanoLightweight offline phishing URL detection library with embedded Random Forest model, microsecond local inference, and zero…208MIT OR Apache-2.0AlgorithmsSecurity phishtankPhishtank API2,858non-standardAPI bindings phlex_emmet_lsA language server for generating Phlex code from Emmet abbreviations5,191MITCommand line utilities phlitePersistent homology, for generic matrices, that's light on memory usage975MIT phlnDriver for the Prohelion WaveSculptor Motor Driver.1,548MITEmbedded developmentNo standard library phloemCPU/GPU Data Blob for Machine Learning15,186MIT phlowAn engine for scripting reactive browsers in Rust by adding custom views to structures24,715MITDevelopment toolsRust patterns phlow-buildBuild-script support for generating phlow annotation metadata189MITDevelopment toolsRust patterns phlow-deriveProc-macro helpers for declaring phlow extensions and views15,025MITDevelopment toolsRust patterns phlow-engineEngine for Phlow, a fast, modular runtime for building backends with YAML flows, Rust modules, and native OpenTelemetry…6,704MITDevelopment tools phlow-extensionsPhlow views for Rust's core types15,036MITDevelopment toolsRust patterns phlow-ffiProvides C-like api to the phlow crates7,687MITDevelopment toolsRust patterns phlow-runtimePhlow is a fast, modular runtime for building backends with YAML flows, Rust modules, and native OpenTelemetry observability.6,585MITDevelopment tools phlow-sdkSDK for Phlow, a fast, modular runtime for building backends with YAML flows, Rust modules, and native OpenTelemetry…7,293MITDevelopment tools phlow-serverProvides Phlow HTTP/REST API to inspect running systems6,274MIT phlow-tui-inspectCLI inspector for Phlow debug TCP server.95MIT phloxPhlox398MIT OR Apache-2.0 phmPretty HAL Machine3,966MIT OR Apache-2.0Embedded development phm-cliThe Interface Control Document (ICD) for Pretty HAL Machine1,596MIT OR Apache-2.0Embedded development phm-icdThe Interface Control Document (ICD) for Pretty HAL Machine5,002MIT OR Apache-2.0Embedded development phm-workerThe Embedded Worker for Pretty HAL Machine1,626MIT OR Apache-2.0Embedded development phntRust bindings to the System Informer's (formerly known as Process Hacker) `phnt` native Windows headers81,120MIT phoPHOnetic alphabet renderer8,044GPL-3.0-or-later phobosFast, powerful Vulkan abstraction library41,235Apache-2.0Graphics phobossPhobos celestial simulation crate for the MilkyWay SolarSystem workspace72MITScienceSimulation phodalNo description provided.1,653MITCommand-line interfaceDevelopment tools phoebusA declarative configuration file manager (not only for dotfiles!)446AGPL-3.0-or-later phoeniceusModern TCP/UDP implementation of RFC8684,758MIT phoenixRust client for Phoenix channels3,424MITNetwork programmingWeb programming phoenix-authRBAC and ABAC authorization for Phoenix applications32MIT phoenix-chanAsync Phoenix channle Client library implementation9,762MIT OR Apache-2.0AsynchronousWeb programming::WebSocket phoenix-channel-clientManaged, runtime-independent Socket and Channel client for Phoenix Channels39MITAsynchronousNetwork programming phoenix-channel-runtimeRuntime-independent Phoenix Channels v2 protocol state machine41MITAsynchronousNetwork programming phoenix-channel-runtime-nativeNative WebSocket transport for phoenix-channel-runtime24MITAsynchronousNetwork programming phoenix-channel-runtime-webBrowser WebSocket transport for phoenix-channel-runtime28MITAsynchronousWebAssembly phoenix-channelsA websocket client library for Phoenix channels7,802MITNetwork programmingWeb programming phoenix-circuitsCircuit definitions for Phoenix, a privacy-preserving ZKP-based transaction model36,767MPL-2.0 phoenix-cliCLI and associated library for interacting with the Phoenix program from the command line16,766MIT phoenix-commonOn-chain order book that atomically settles trades56,782non-standard phoenix-configLayered, validated application configuration for Phoenix33MIT phoenix-consoleApplication CLI console: named commands with minimal boilerplate40MIT phoenix-coreCore types and functionalities for Phoenix, a privacy-preserving ZKP-based transaction model92,149MPL-2.0 phoenix-cryptoJWT, blind indexes, authenticated encryption, and password hashing for Phoenix36MIT phoenix-databaseToasty database integration, migrations, and test isolation for Phoenix38MIT phoenix-dbPhoenix Database Server1,209MIT phoenix-dxLaravel-inspired route resources, middleware aliases, and model binding28MIT phoenix-dx-macrosConvention-based route file discovery for Phoenix37MIT phoenix-httpHTTP request, response, handler, and middleware primitives for Phoenix85MIT phoenix-langA simple, fast programming language22,163MITCompilersDevelopment tools phoenix-loggingStructured logging initialization for Phoenix applications32MIT phoenix-macrosContract marker macros for Phoenix code generation28MIT phoenix-mailOutbound mail message builder and transports for Phoenix24MIT phoenix-metricsLow-cardinality Prometheus metrics for Phoenix applications50MIT phoenix-onchain-mmPhoenix on-chain MM program3,102Apache-2.0 phoenix-pluginCompile-time Feature / plugin installation for Phoenix-rs31MIT phoenix-queueBackground job queue contracts and workers for Phoenix25MIT phoenix-recA simple recording and sending library for recorded data on the ev319,834MITDevelopment tools phoenix-redisRedis adapters for Phoenix session, rate-limit, and token stores24MIT phoenix-releaseRelease packaging, verify, atomic switch, and rollback for Phoenix-rs49MIT phoenix-riseSDK for interacting with Phoenix2,275MIT phoenix-rise-accountsBorrowed Phoenix account views for Rise503MIT phoenix-rise-apiPhoenix HTTP, WebSocket, and auth clients for Rise434MIT phoenix-rise-cliCLI for Phoenix Rise API, WebSocket, and RPC account inspection133MIT phoenix-rise-corePhoenix Rise core off-chain account and transaction helpers335MIT phoenix-rise-eventsPhoenix Rise market event parsing helpers508MIT phoenix-rise-ixPhoenix instruction encoders and CPI-oriented layouts for Rise504MIT phoenix-rise-litesvm-testPhoenix Rise LiteSVM test fixtures and localnet helpers128MIT phoenix-rise-mathPure Phoenix math helpers for Rise878MIT phoenix-rise-typesOwned Phoenix domain and API types for Rise458MIT phoenix-routingLaravel-inspired routing and named URL generation for Phoenix46MIT phoenix-rsRust client for Phoenix channels3,350MIT phoenix-runtimeApplication lifecycle and Hyper server runtime for Phoenix34MIT phoenix-sdkSDK for interacting with the Phoenix program46,203MIT phoenix-sdk-coreCore SDK for interacting with the Phoenix program70,991MIT phoenix-seat-managerAutomatic seat manager for the Phoenix program10,414non-standard phoenix-seat-manager-commonAutomatic seat manager for the Phoenix program17,229non-standard phoenix-securitySecure web defaults and middleware for Phoenix36MIT phoenix-storageFile storage drivers for Phoenix uploads29MIT phoenix-testingRequest test client and assertions for Phoenix applications24MIT phoenix-tlsUtilities for creating always present thread locals.1,693MIT/Apache-2.0Concurrency phoenix-typesLightweight interface for interacting with the Solana blockchain7,345MIT OR Apache-2.0 phoenix-v1On-chain order book that atomically settles trades27,684non-standard phoenix-validationComposable built-in and custom validation rules for Phoenix30MIT phoenix-viewReact page protocol and rendering modes for Phoenix50MIT