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.

po-sessionSession management, handshake state machine, and framing for Protocol Orzatty66MIT OR Apache-2.0Network programming po-transportTransport abstractions and QUIC implementation for Protocol Orzatty109MIT OR Apache-2.0AsynchronousNetwork programming po-wireWire format codec for Protocol Orzatty — compact binary framing with QUIC-style VarInts192MIT OR Apache-2.0EncodingNetwork programming po6A C POSIX library in Rust10,945MIT po_ones_nerfectRenamed to [tsyncp](https://crates.io/crates/tsyncp); but it's still WIP.5,594MITEncodingNetwork programming poa-consensusBanded Partial Order Alignment (POA) consensus for short tandem repeat and amplicon reads117MITAlgorithmsScience poastaFast, optimal, gap-affine partial order alignment1,158BSD-3-Clause poasyncPushOver Async4,328MIT pob-parserPath of Building (PoB) import code and pobb.in URL parser36MIT pobsdSimple tool to interact with the PlayOnBSD database7,175MIT pobsd-browserTerminal user interface for browsing the PlayOnBSD database1,131MIT pobsd-dbPrimitive database to query the PlayOnBSD database6,850MIT pobsd-parserSimplistic parser for the PlayOnBSD Database11,103MIT pobsd-utilsSimple tool to interact with the PlayOnBSD database1,476MIT pobuilderBuild or modify translation catalogs in PO format.1,041MITInternationalization (i18n)Text processing pocThis is a proof of concept2,083CC0-1.0 poc-buildPolyglot build tool that detects, orchestrates, and AI-fixes projects across six languages25MITDevelopment toolsDevelopment tools::Build Utils poc-frameworkA framework for creating PoC's for Solana Smart Contracts in a painless and intuitive way12,932MIT OR Apache-2.0 poc-framework-osecA framework for creating PoC's for Solana Smart Contracts in a painless and intuitive way: A fork of…6,394MIT OR Apache-2.0 poc_bangle_gadgetbridgeBangle.js Gadgetbridge integration proof of concept for Smawaco17MIT poc_libA POC library for the F5 CEDI Rust CICD template5,260MIT poc_libraryA POC library for the F5 CEDI Rust CICD template2,699MIT poc_linux_bleLinux BLE proof of concept for Smawaco17MIT poccA CLI to play with postman collections(v2.1.0) inspired by [password-store](https://www.passwordstore.org/)6,101CC0-1.0Command line utilities pocgenReusable proof-of-concept generation and finding chaining for security tooling.31,676MIT OR Apache-2.0Network programmingWeb programming pochitaA allocation arena for Rust.6,723MIT/Apache-2.0Data structuresMemory management pochoirMain crate of the pochoir template engine used to compile and render pochoir files with components1,408MIT pochoir-cliCommand line interface for the pochoir template engine511MIT pochoir-commonCommon utilities for the pochoir template engine1,985MIT pochoir-extraExtra utilities for the pochoir template engine899MIT pochoir-langCustom parser and interpreter for the pochoir template engine1,829MIT pochoir-macrosMacro utilities for the pochoir template engine1,985MIT pochoir-parserHTML parser for the pochoir template engine1,481MIT pochoir-template-engineTemplating syntax support for the pochoir template engine1,663MIT pochtaAddressable channel registry8,580BSL-1.0AsynchronousConcurrency pocketSimple bindings for Pocket API (https://getpocket.com)18,076MIT OR Apache-2.0 pocket-clearAdds a cross-platform clear() function to easily clear the terminal28GPL-2.0-only pocket-cliA CLI tool for saving, organizing, and retrieving code snippets with integrated version control7,780MIT pocket-icPocketIC: A Canister Smart Contract Testing Platform399,824Apache-2.0Development tools::TestingEmulators pocket-ic-harnessA test harness for Internet Computer canisters using PocketIC.151MITDevelopment tools::TestingWebAssembly pocket-ic-harness-macroProc-macro for pocket-ic-harness test attribute.198MIT pocket-lsmA small educational LSM storage engine with WAL, SSTables, manifests, and crash recovery.33MITDatabase implementations pocket-prometheusSimple TUI for prometheus metrics scraping6,122MITCommand line utilities pocket-relayPocket Relay Server15,024MIT pocket-relay-clientPocket Relay Client Tool1,543MIT pocket-relay-client-sharedShared logic for pocket relay client variants5,776MIT pocket-relay-coreCore module for Pocket Relay which contains shared state as well as game logic5,986MIT pocket-relay-databaseModule for isolating the database logic from the Pocket Relay servers11,888MIT pocket-relay-http-serverPocket Relay HTTP server used to serve content used by Mass Effect1,832MIT pocket-relay-main-serverPocket Relays Main server which is responsible for most of the client server logic1,654MIT pocket-relay-mitmMan-In-The-Middle server for Pocket Relay development and testing1,491MIT pocket-relay-mitm-serverPocket Relay Redirector server used to proxy clients to the main server while logging traffic1,609MIT pocket-relay-redirector-serverPocket Relay Redirector server used to provided clients the address of the main server1,589MIT pocket-relay-udp-tunnelPocket Relay UDP tunnel2,610MIT pocket-relay-utilsModule for utilities used throughout the core, database, and servers for Pocket Relay5,349MIT pocket-resourcesInclude resources in your applications.843,056MIT pocket-rtcA WebRTC client for Rust2,692MIT OR Apache-2.0 pocket-serverYour website lives on your phone. No hosting bill. Ever.17UnlicenseCommand line utilitiesWeb programming::HTTP server pocket-ttsHigh-performance CPU-based Text-to-Speech library using Candle7,173MIT OR Apache-2.0Multimedia::AudioScience pocket-tts-cliCLI and API server for Pocket TTS318MIT OR Apache-2.0Multimedia::AudioScience pocket-vetoPocketVeto is a tool for managing approvals for tool calls in a local network or bluetooth.22MIT pocket-veto-btBluetooth transport for PocketVeto.36MIT pocket-veto-coreShared core library for PocketVeto.48MIT pocket_proverA fast, brute force, automatic theorem prover for first order logic37,570MIT pocket_prover-deriveDerive procedural macros for `pocket_prover`.12,302MIT pocket_prover-setA base logical system for PocketProver to reason about set properties8,610MIT pocketbase-rsA simple wrapper around PocketBase's Rest API. Uses the Builder Pattern.75MIT OR Apache-2.0 pocketbase-sdkPocketbase SDK13,221MITDevelopment tools pocketbase_deriveWebAsm Compatible Pocketbase SDK1,541MITDevelopment tools pocketbrainA fast Brainfuck interpreter1,400MIT pocketcacheA simple in-memory cache for Rust.1,655MIT pocketcastsPocketcasts (unofficial) API client.6,866Apache-2.0 pocketcraft_engine_apiProvides an API to interface with the PocketCraft Engine10,777non-standard pocketflowA minimalist LLM framework. Let Agents build Agents!664Apache-2.0 pocketflow-asyncAsync runtime support for PocketFlow644MIT pocketflow-batchBatch processing support for PocketFlow443MIT pocketflow-coreCore abstractions and types for PocketFlow840MIT pocketflow_rsPocketFlow implemented by rust1,631MIT pocketpy-sysRust FFI bindings to pocketpy, a portable python 3.x interpreter2,529MITCompilersExternal FFI bindings pocketrtcPlaceholder for speedway1,147MIT OR Apache-2.0 pocketsA file manager.33BSD-2-Clause pocketscionA lightweight SCION network simulator581Apache-2.0Network programming pocketsizefundOpen source quantitative trading7,193MIT pocketsphinxRust wrapper for libpocketsphinx16,333MIT pocketsphinx-sysFFI bindings to libpocketsphinx16,390MIT pocketstation-codecOpus codec encode/decode for the PocketStation real-time audio pipeline16MIT OR Apache-2.0 pocketstation-frameAudio frame types for the PocketStation real-time audio pipeline32MIT OR Apache-2.0 pocketwatchA simple timer CLI2,562MIT OR Apache-2.0 pockingbirdReport-only CLI that finds duplicate translation keys across gettext .po catalogs49MITCommand line utilitiesDevelopment tools pockyA framework for building your own static site generator10,712MIT poclimonA TUI idle pet game. Sort of.117MITCommand line utilitiesGames poco-schemeA toy Scheme implementation1,742BSD-3-Clause pocopine-analyticsAnalytics and telemetry adapters for pocopine applications.16MIT OR Apache-2.0 pocopine-authFirst-party auth contracts and guards for pocopine server functions.16MIT OR Apache-2.0 pocopine-codecShared encoding/codec utilities (base64, percent-encoding, serde adapters) for the pocopine workspace.46MIT OR Apache-2.0 pocopine-coreClient-side reactive runtime for pocopine — a Rust/WASM port of Alpine.js.31MIT OR Apache-2.0 pocopine-exprPure-Rust template expression parser shared between pocopine-core (runtime evaluator) and pocopine-macros (compile-time…46MIT OR Apache-2.0 pocopine-jobsBackground jobs for pocopine apps.16MIT OR Apache-2.0 pocopine-observeShared observability event contract for pocopine logging, tracing, and analytics.32MIT OR Apache-2.0 pocx_addressAddress encoding/decoding library for PoCX with Base58Check and Bech32 support1,414MITCryptography pocx_aggregatorHigh-performance mining aggregator for PoCX protocol603MITCryptographyNetwork programming pocx_hashlibUniversal cryptographic library for Proof-of-Capacity consensus mechanism. Includes SIMD-optimized Shabal256 hashing and nonce…1,331MITAlgorithmsCryptography pocx_minerHigh-performance PoCX cryptocurrency miner with SIMD optimizations715MIT pocx_mockchainMock blockchain simulator for testing PoCX miners and Proof-of-Capacity applications221MIT pocx_plotfileA high-performance, safe, and cross-platform library for reading and writing PoC cryptocurrency plot files1,174MITCryptographyFilesystem pocx_plotterUniversal Proof-of-Capacity plotting tool for any PoC cryptocurrency. CPU and GPU acceleration with OpenCL, SIMD optimizations,…423MITAlgorithmsCommand line utilities pocx_plotter_v2PoCX Plotter v2 — high-performance Proof-of-Capacity plotter with GPU-fused ring buffer architecture.443MITAlgorithmsCommand line utilities pocx_protocolJSON-RPC protocol implementation for PoCX mining1,081MITCryptographyNetwork programming pocx_verifierPlot file verification tool for validating PoC cryptocurrency plot files234MITCommand line utilitiesCryptography podPlain Old Data (POD) encoding and I/O55,926MIT pod-contractsSmart contracts for the pod Network Software Development Kit627MIT OR Apache-2.0 pod-deriveThe derive proc macro crate for pod-rs2,767MPL-2.0 pod-enumAn enum which is also plain-old-data36,887MIT OR Apache-2.0No standard libraryRust patterns pod-enum-macrosAn enum which is also plain-old-data - proc macros37,393MIT OR Apache-2.0No standard libraryRust patterns pod-examples-solidityBindings for pod Solidity contracts examples1,029MIT OR Apache-2.0 pod-rsA marker trait for plain old data (POD)2,377MPL-2.0 pod-sdkSoftware Development Kit for the pod Network2,856MIT OR Apache-2.0 pod-treeDisplay a dependency tree from a CocoaPods Podfile.lock, similar to cargo tree.31MITCommand line utilitiesDevelopment tools pod-typesTypes of Software Development Kit for the pod Network2,674MIT OR Apache-2.0 pod5libPure Rust library for reading and writing POD5 nanopore sequencing files36MPL-2.0FilesystemParser implementations podbeanAn async Podbean client for connecting to the Podbean API.1,944MITDevelopment tools podboxSecure, reproducible per-workspace dev sandbox — an OCI/Podman interface backed by KVM-class microVMs, hardened for running…42MITCommand line utilitiesDevelopment tools podboyAvailability CLI for podman containers3,175GPL-3.0-only podcastA command line podcast manager90,624GPL-3.0Command line utilities podcast-apiRust bindings for the Listen Notes Podcast API8,050MITAPI bindingsMultimedia podcast2textCli tool for downloading episodes from rss and running transcription3,793MIT OR Apache-2.0 podcast_searchA library that facilitates searching for podcasts using the iTunes Podcast API8,782MIT podcastingTypes for the PC 2.0 Namespace3,873MITAPI bindingsMultimedia podcastsPodcasts tracker and downloader4,353MIT podcellA simple Podman-based development environment manager.16Apache-2.0Command line utilitiesDevelopment tools podchGame engine for the podch abstract board game1,516Apache-2.0Game development podchampFetches your podcasts9,311MITCommand line utilities podclawPodclaw is a small, pure-Rust CLI application for managing podcast RSS feeds and downloading episodes from those podcasts.1,544MITCommand line utilities podcliA CLI podcast manager and player written in Rust65MIT poddedZero-copy types for constraint environments22,925MIT poddersWrite uncompressed Pod5 files in native rust. No FFI! PODDDDERS6,198Apache-2.0FilesystemScience poddy-cliYour friendly pod buddy5,294Apache-2.0Command-line interfaceVisualization podecsGPU accelerated ECS for plain old data85non-standard podfeedA podcast feed-generator.980MIT OR Apache-2.0Command line utilities podfoxA SOCKS5 proxy for accessing local rootless Podman containers657Unlicense podiAPI for starting and stopping podman containers2,079MPL-2.0Command line utilities podioAdditional trait for Read and Write to read and write Plain Old Data3,338,603MIT OR Apache-2.0 podiumYour friendly pod buddy2,946Apache-2.0Command-line interfaceVisualization podium-driverAsync Rust library for driving Android devices in tests via Maestro's gRPC server15Apache-2.0 podletGenerate Podman Quadlet files from a Podman command, compose file, or existing object15,721MPL-2.0Command line utilities podman-apiRust interface to Podman124,205MIT podman-api-stubsGenerated libpod swagger stubs for use in podman-api151,215MIT podman-autogen-apiPodman REST API client generated from the official swagger file using openapi-generator9,411MIT OR Apache-2.0 podman-autoupdate-hookA webhook server to manually trigger podman auto-update1,523MIT OR Apache-2.0 podman-clientA native Rust client for the Podman REST API over Unix sockets789MITAPI bindingsAsynchronous podman-healthcheckdPodman healthcheck scheduler for systems without systemd64MIT podman-openrcA CLI tool to generate OpenRC scripts from Podman service definitions in (unofficial) TOML format.1,989MITCommand line utilities podman-rest-clientInterface for querying the podman REST API. Supports connections over SSH.36,430MIT OR Apache-2.0 podman-sequoiaA polyfill to use Sequoia as a signing backend for containers.928Apache-2.0 podmodContainerized build system for kernel modules on Fedora.11,875GPL-2.0-or-laterCommand line utilities podnsA simple, RFC-compliant Pronouns over DNS resolver helper63MIT podoPostgreSQL schema management tool1,553MIT podo-core-driverPodo Driver FFI16,632BSD-3-Clause podo-std-eyeA podo driver with video & camera abstraction6,571BSD-3-Clause podping-apiA library for the Podping API.1,535MITAPI bindingsMultimedia podpullA fast, minimal CLI tool for downloading and synchronizing podcasts from RSS feeds90MPL-2.0Command line utilitiesMultimedia pods-blitzSelf-hosted, fast and reliable podcast publisher5,017MIT OR Apache-2.0Multimedia::AudioWeb programming::HTTP server podserv-ba minimalist podcast server (type b) for serving media files on the web54Apache-2.0 podserveSpin up an RSS podcast feed webserver from a directories of MP3s1,816MITCommand line utilities podstakannikA friend for your tea time2,939GPL-3.0-or-laterCommand line utilitiesText processing podstatsprovides stats on the cache used by puckfetcher3,558BSD-3-Clause podstruBureaucratic structs to speed up rust development1,749non-standard podstru-deriveAutomatically implement getters/setters for a POD-like struct2,000non-standard podstru-internalBureaucratic structs to speed up rust development2,249non-standard podsyGenerate a podcast feed from a directory of mp3s11BSD-3-Clause podsyncA server to sync podcasts with, mirroring the gpodder API. Designed for use with AntennaPod11,083GPL-3.0-or-later podtenderA rust client for the podman API.6,338MIT OR Apache-2.0API bindings podupTranslate and run docker-compose files on rootless Podman2,071MITCommand line utilitiesDevelopment tools podwatchrenamed to 'podium'2,801Apache-2.0Command-line interfaceVisualization podzolA modpack package manager1,528Apache-2.0 poeThe ed of the future. A visual line editor2,062Fair poe-api-clientClient library for the Path of Exile API5,715MIT poe-item-parserPath of Exile Item Text Parser454AGPL-3.0-or-later poe-ninjaAPI wrapper for https://poe.ninja/2,856MIT poe-superfilterExtended syntax compiler for Path of Exile loot filters5,152MIT poe-superfilter-supportSupport crate with procedural macros for poe-superfilter6,118MIT poe-typesHandwritten Rust types for the Path of Exile API4,647MIT poe2-agentAI agent for Path of Exile 2 build analysis159MIT poe_api_processPoe API for rust9,060MITAPI bindings poe_bundleLibrary for extracting Oodle bundles used by the game Path of Exile7,449LGPL-3.0-only poe_data_toolsA library for working with Path of Exile game data41MIT OR Apache-2.0 poe_data_tools-cliA CLI for working with Path of Exile game data27MIT OR Apache-2.0 poe_gem_parserPoE gem parser written in Rust960MIT poeeFunctions for efficient development1,561MITDevelopment tools poeledger-economy-dataContains types to be used with poe.ninja data dumps5,097MIT poemPoem is a full-featured and easy-to-use web framework with the Rust programming language.5,248,450MIT OR Apache-2.0AsynchronousNetwork programming poem-dbsessionSession storage with database for Poem.134,976MIT OR Apache-2.0AsynchronousNetwork programming poem-deriveMacros for poem5,146,874MIT OR Apache-2.0AsynchronousNetwork programming poem-extExtension crate for poem/poem-openapi34,725MIT poem-extensionsExtensions for Poem.23,232MIT/Apache-2.0 poem-extensions-macroMacros for poem-extensions.24,184MIT/Apache-2.0 poem-grantsAuthorization extension for `poem` to protect your endpoints89,296MIT OR Apache-2.0Authentication poem-grants-proc-macroA proc-macro way to validate user permissions for `poem-grants` crate.4,779MIT OR Apache-2.0Authentication poem-grpcGRPC support for Poem.350,000MIT OR Apache-2.0AsynchronousNetwork programming poem-grpc-buildCodegen module of poem-grpc.346,848MIT OR Apache-2.0AsynchronousNetwork programming