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.

junobuild-collectionsThe types and rules to define collections.18,040MIT junobuild-didcA CLI tool for generating JavaScript or TypeScript content from a DID file using the didc tool.3,799MITCommand line utilitiesWebAssembly junobuild-macrosProcedural macros for hooking into various events in Juno.9,871MIT junobuild-satelliteCore implementation of a Juno Satellite.35,698MIT junobuild-sharedShared utilities for Juno.22,510MIT junobuild-storageWeb and storage features of Juno.22,232MIT junobuild-utilsA collection of utilities for developers on Juno.15,218MIT junoccCompiler for JunoLang388non-standardCompilers junolspLanguage Server for JunoLang306non-standardCompilers junomint-pricesJunoMint Prices18,719Apache-2.0 junstrUnnest json serialized as strings inside json39GPL-3.0 jupComplete toolchain for Roblox projects (WIP)1,825MIT jup-agJupiter Aggregator API bindings35,354WTFPLAPI bindings jup-ag-novaJupiter Aggregator API bindings1,554WTFPLAPI bindings jup-ag-sdkA Rust SDK for Jupiter exchange APIs.6,344non-standard jup-cliA Jupiter CLI that enables swap, etc.3,824MITCommand line utilities jup-flashloan-cpiCPI client for Jupiter Flashloan protocol150Apache-2.0 jup-lend-cpiCPI client crates for Jupiter Lending ecosystem84Apache-2.0Cryptography::Cryptocurrencies jup-lend-sdkSDK for Jupiter lending protocol4,094MIT OR Apache-2.0 jup-lending-cpiCPI client for Jupiter Lending protocol177Apache-2.0 jup-liquidity-cpiCPI client for Jupiter Liquidity protocol153Apache-2.0 jup-llrm-cpiCPI client for Jupiter Lending Reward Rate Model protocol148Apache-2.0 jup-oracle-cpiCPI client for Jupiter Oracle protocol147Apache-2.0 jup-perps-clientRust client for Jupiter Perpetuals Protocol594MITCryptography::Cryptocurrencies jup-sdkjito sdk142GPL-3.0 jup-vaults-cpiCPI client for Jupiter Vaults protocol150Apache-2.0 juper_swap_apiJupiter Aggregator API Client70,227Apache-2.0 juper_swap_cpiJupiter Aggregator API Client28,178Apache-2.0 jupiterJupiter is a library for providing high-throughput ultra low latency services via the RESP protocol as defined by Redis.60,572MITCachingDatabase implementations jupiter-accountA helper lib to handle accounts in Jupiter16,386Apache-2.0 jupiter-amm-interfaceAMM interface to integrate a DEX into jupiter-core77,691Apache-2.0 jupiter-clientA type-safe, asynchronous Rust client for the Jupiter Aggregator API on Solana. Facilitates seamless token swaps, route finding,…56MITAPI bindingsAsynchronous jupiter-contractThe jupiter contract4,219Apache-2.0 jupiter-cpiAnchor CPI client for the Jupiter program.7,721Apache-2.0 jupiter-cpi-tulipAnchor CPI client for the Jupiter program.7,474Apache-2.0 jupiter-perpetuals-cpiAnchor CPI client for the Jupiter Perpetuals program.4,255MIT jupiter-rsJupiter is a library for providing high-throughput ultra low latency services via the RESP protocol as defined by Redis.2,683MITCachingDatabase implementations jupiter-sdkjupiter-sdk for solana235MIT jupiter-solana-clientRust client to interact with Jupiter on-chain program.904MIT jupiter-swap-api-clientJupiter Swap API rust client18,279Apache-2.0 jupiter-swap-api-client-abrknJupiter Swap API rust client4,666MIT jupiter-swap-v2-api-clientJupiter Swap V2 API rust client36Apache-2.0 jupiter_apijupiter api client12,184MIT OR Apache-2.0 jupiter_commonCommon utilities for podcast2text2,757MIT jupiter_downloaderLibrary for downloading episodes from rss and running transcription2,225MIT jupiter_interfaceJupiter CPI Interface bindings autogenerated by solores3,264MIT OR Apache-2.0Cryptography::Cryptocurrencies jupitersJupiter celestial simulation crate for the MilkyWay SolarSystem workspace90MITScienceSimulation jupnet-account-infoSolana AccountInfo and related definitions.754Apache-2.0 jupnet-atomic-u64Solana atomic u64 implementation. For internal use only.811Apache-2.0 jupnet-bincodeSolana bincode utilities740Apache-2.0 jupnet-borshSolana Borsh utilities770Apache-2.0 jupnet-clockSolana Clock and Time Definitions728Apache-2.0 jupnet-cpiSolana Cross-program Invocation726Apache-2.0 jupnet-decode-errorSolana DecodeError Trait804Apache-2.0 jupnet-define-syscallSolana define_syscall macro. For internal use only.758Apache-2.0 jupnet-epoch-scheduleConfiguration for Solana epochs and slots.729Apache-2.0 jupnet-fee-calculatorSolana transaction fee calculation747Apache-2.0 jupnet-frozen-abiSolana Frozen ABI754Apache-2.0 jupnet-frozen-abi-macroSolana Frozen ABI Macro772Apache-2.0 jupnet-hashSolana wrapper for the 32-byte output of a hashing algorithm.747Apache-2.0 jupnet-instructionTypes for directing the execution of Solana programs.734Apache-2.0 jupnet-jbpfVirtual machine and JIT compiler for eBPF programs757Apache-2.0 jupnet-last-restart-slotTypes and utilities for the Solana LastRestartSlot sysvar.726Apache-2.0 jupnet-loggerJupnet Logger799Apache-2.0 jupnet-msgSolana msg macro.731Apache-2.0 jupnet-native-tokenDefinitions for the native SOL token and its fractional lamports.762Apache-2.0 jupnet-program-entrypointThe Solana BPF program entrypoint supported by the latest BPF loader.735Apache-2.0 jupnet-program-errorSolana ProgramError type and related definitions.750Apache-2.0 jupnet-program-memoryBasic low-level memory operations for Solana.760Apache-2.0 jupnet-program-optionA C representation of Rust's Option, used in Solana programs.789Apache-2.0 jupnet-program-packSolana Pack serialization trait.733Apache-2.0 jupnet-pubkeySolana account addresses744Apache-2.0 jupnet-rentConfiguration for Solana network rent.727Apache-2.0 jupnet-sanitizeSolana Message Sanitization764Apache-2.0 jupnet-sdk-macroSolana SDK Macro781Apache-2.0 jupnet-secp256k1-recoverSolana SECP256K1 Recover736Apache-2.0 jupnet-serde-varintSolana definitions for integers that serialize to variable size752Apache-2.0 jupnet-serialize-utilsJupnet helpers for reading and writing bytes.750Apache-2.0 jupnet-sha256-hasherSolana SHA256 hashing729Apache-2.0 jupnet-short-vecSolana compact serde-encoding of vectors with small length.697Apache-2.0 jupnet-slot-hashesTypes and utilities for the Jupnet SlotHashes sysvar.729Apache-2.0 jupnet-stable-layoutSolana types with stable memory layouts. Internal use only.742Apache-2.0 jupnet-sysvar-idDefinition for the sysvar id trait and associated macros.748Apache-2.0 jupnet_rbpfVirtual machine and JIT compiler for eBPF programs2,223Apache-2.0 jupyterJupyter Kernel Protocol in Rust23,539MIT OR Apache-2.0Science jupyter-clientJupyter client written in Rust2,380Apache-2.0 jupyter-deriveJupyter Kernel Protocol in Rust8,005MIT OR Apache-2.0 jupyter-kernelKernel to allow Rust to run in Jupyter (http://jupyter.org) notebooks5,476MIT jupyter-protocolJupyter messaging structures and traits for jupyter clients and servers425,856BSD-3-Clause jupyter-serdeSerialization and Deserialization for Jupyter related data structures74,266BSD-3-Clause jupyter-typesShared types for jupyter kernel4,265MPL-2.0 jupyter-websocket-clientConnect to Jupyter Servers over WebSockets183,446BSD-3-Clause jupyter-ysyncY-sync protocol implementation for Jupyter notebook collaboration102BSD-3-ClauseData structuresNetwork programming jupyter-zmq-clientJupyter kernel client over ZeroMQ14,278BSD-3-Clause jupyter_notebook_edit_mcpMCP server for editing Jupyter Notebook (.ipynb) files while preserving JSON structure16Apache-2.0 jupytermA toy implementation of the Jupyter client in Rust.1,758Apache-2.0 jurihttp service18,916MIT juri-macrosjuri macros4,533MIT jurisdictionA lightweight API-friendly abstraction for the jurisdiction in the world, and their accompanying static information pertaining to…961,146MITEncodingLocalization (L10n) jusConverts normal input digits in in Unicode superscript/subscripts1,987MIT jusixAn SWC plugin that enables embedded JSX reactivity and $() shortcut function for UIX5,459MIT juspay_dieselA safe, extensible ORM and Query Builder for PostgreSQL, SQLite, and MySQL24,141MIT OR Apache-2.0Database interfaces juspay_jsonlogicA JsonLogic implementation in Rust125,328MITEncodingParser implementations just🤖 Just a command runner2,272,861CC0-1.0Command line utilitiesDevelopment tools just-a-demoA minimal Cargo package publishing demo.21MIT OR Apache-2.0 just-a-dumb-idea-no-harm-intendedan idea I had while looking at the cargo site, wanted to see what this was about1,717WTFPL just-a-tagA #tag-type, RFC 1035 DNS label compatible3,500EUPL-1.2EncodingValue formatting just-argon2Bindings to the argon2 C library.7,057Apache-2.0AlgorithmsAPI bindings just-authjust for oauth2 login5,146MIT just-codeA simple, easy to configure 'Hello World' generator1,460WTFPLCommand line utilitiesDevelopment tools just-commonShared HTTP transport, SSE stream parsing, and error types for the just-agent ecosystem121MITAsynchronousParser implementations just-convertEasy conversion of structures7,887MIT just-deepseekDeepSeek API client and wire-level types66MITAPI bindings just-engineA ground-up ES6 JavaScript engine with tree-walking interpreter, bytecode VMs, and Cranelift JIT compiler25MIT OR Apache-2.0CompilersParser implementations just-enough-emojistext to emoji cli1,884MIT just-fancyA fancy wrapper for just with parallel execution and pretty output133MITCommand line utilitiesDevelopment tools just-fetchJust fetch the file, unzipping it if needed6,440MIT just-for-testA test crate793MIT OR Apache-2.0 just-formatterFormat justfile from stdin to stdout.1,265MIT just-funcjust-func in Rust1,593MIT just-getoptJust a getopt-like command-line option parser6,697CC0-1.0Command-line interface just-kdlSmall streaming KDL parser879MIT OR Apache-2.0ConfigurationEncoding just-latexA simple Pandoc filter enabling the use of the actual LaTeX engine to render LaTeX fragments in Markdown.9,391MITCommand line utilities just-listsA terminal-based task manager using ratatui for managing lists of tasks.614MITCommand line utilities just-lists-coreCore library for just-lists terminal-based task manager.702MIT just-llm-clientJust a lightweight, composable, and minimal LLM client — not an agent framework40MITAPI bindingsAsynchronous just-lspA language server for just15,725CC0-1.0Development tools just-mcpProduction-ready MCP (Model Context Protocol) server for Justfile integration624MITCommand line utilitiesDevelopment tools just-mcp-libCore library for just-mcp: MCP server for Justfile integration835MITDevelopment toolsDevelopment tools::Build Utils just-openai-compatOpenAI-compatible API client and wire-level types65MITAPI bindings just-ormA simple database ORM that use JSON file for Rust4,576MIT just-runConvenience crate for executing system commands with the expectation of successful termination and UTF-8 encoded output, for…1,155MIT just-serveA simple HTTP server for serving a static directory with CORS support525MIT OR Apache-2.0Command line utilitiesWeb programming just-shellA minimal shell around just-files3,921MIT just-shieldPre-execution supply-chain scanner for GitHub Actions workflows85MIT OR Apache-2.0Command line utilitiesDevelopment tools just-stringContainer for various kinds of strings146Apache-2.0Data structuresRust patterns just-testingA short description of my package1,464MIT just-the-codeA ripgrep preprocessor to remove comments and strings from code.1,644MIT just-try-to-publish-a-packageA fun game where you guess what number the computer has chosen.1,517MIT OR Apache-2.0 just-watchAsync watch channel1,519MITAsynchronousConcurrency just-webrtcJust simple, fast and easy WebRTC peers for both native and wasm5,543MIT OR Apache-2.0Game developmentNetwork programming just-webrtc-signallingJust simple, fast and easy signalling for full-mesh WebRTC connections on native and wasm6,175MIT OR Apache-2.0Game developmentNetwork programming just-wefJust a Web embedded framework47MIT just_a_crateJust a crate1,445MIT just_fmtJust a crate for formatting some things596MIT OR Apache-2.0Text processing just_installerA bare bones installer. Will check version over http, download from a URL and unzip into the specified destination creating…28MITDevelopment tools just_linkedfast linked list;give you a different feeling!1,527MIT/Apache-2.0 just_macros...10,119MIT just_nvimNeovim plugin for encrypting and decrypting text files inside neovim using age with ease.1,064GPL-3.0-or-laterCommand line utilities just_primMarker traits for primitive types1,637MIT OR Apache-2.0No standard library just_prim_intPrimitive integer marker traits3,670MIT OR Apache-2.0No standard library just_progressJust a progress display tool100MIT OR Apache-2.0 just_serve_itA lightweight and multithreaded backend web-framework for Rust1,406GPL-3.0Web programming just_statejustjs state manager4,442MIT just_templateA tool for code gen via templatese732MIT OR Apache-2.0Template engine just_template_macrosA tool for code gen via templatese95MIT OR Apache-2.0Template engine just_test_libA short description of my package1,468MIT justalock-clientA distributed lock powered by the justalock service395LGPL-3.0-onlyAsynchronousConcurrency justbig2Pure Rust JBIG2 image decoder with no_std support1,037MIT OR Apache-2.0EncodingNo standard library justcash-bindrust library to generate proof of justcash bill ownership25AGPL-3.0-or-later justcash_corecore types for justcash crate446AGPL-3.0-only justcash_provelibrary to create a justcash proof of bill ownership270AGPL-3.0-only justcash_verifylibrary to verify a justcash proof of bill ownership30AGPL-3.0-only justcode-async-utilsInternal crate for the justcode coding agent CLI (justcode-async-utils).19Apache-2.0 justcode-coreCompact binary encoder/decoder with space-efficient encoding117MITEncodingNo standard library justcode-deriveDerive macros for justcode273MIT justconfigJust a configuration information source for rust11,903Apache-2.0ConfigurationParsing tools justcsvSimple CSV-file reader/writer4,052MIT OR Apache-2.0 justeBrutalist UI engine.3,759GPL-3.0 JustEnoughModJustEnoughMod a game dedicated for modding1,589MIT JustEnoughMod_baseThe base plugin for JustEnoughMod1,603MIT JustEnoughMod_coreThe core libary for JustEnoughMod1,962MIT justermRenamed to `justerm-core`. This release re-exports justerm-core for the old crate name — depend on justerm-core directly.127MIT OR Apache-2.0 justerm-coreA pure terminal engine: VT byte stream to grid + scrollback + damage. No I/O, no rendering, theme-agnostic.123MIT OR Apache-2.0Command-line interfaceParsing tools justerrorExtension to `thiserror` that helps reduce the amount of handwriting32,916MIT justestthis is just a test1,452MIT justextRust port of JusText — paragraph-level boilerplate removal for HTML52,353BSD-2-ClauseParser implementationsText processing justfuckA jsfuck encoder written in rust.3,845GPL-2.0-or-later justhashSimple cli for hashing with sha2561,530MIT justifyJustify plaintext while handling Unicode gracefully6,525MIT/Apache-2.0 justify-stringJustify a string (so that it consists of lines of the same width)1,568AGPL-3.0-or-laterText editorsValue formatting justipsFast, standalone IP address extraction cli utility41Unlicense OR MITCommand line utilitiesNetwork programming justiseBring justice to your mise tasks by converting them to just recipes50AGPL-3.0-or-later justjp2Pure Rust JPEG 2000 (JP2/J2K) encoder and decoder1,007MIT OR Apache-2.0EncodingMultimedia::Images justjsA modern runtime for javascript.6,319MIT justjsonAn efficient JSON Value crate that allows borrowing data.69,292MIT OR Apache-2.0Parser implementations justlexConfigurable lexer with no dependencies45MIT justlyAn implementation of justified containers2,646MIT justoneA fast duplicate files finder, the rust implementation for JustOne.4,433LGPL-3.0-only justpdfPure Rust PDF engine - read, render, extract, create, modify98MIT OR Apache-2.0GraphicsParser implementations justpdf-cliCommand-line PDF tool powered by justpdf70MIT OR Apache-2.0Command line utilities justpdf-corePure Rust PDF engine — parsing, writing, compression, text extraction, encryption, digital signatures476MIT OR Apache-2.0Parser implementationsText processing justpdf-ffiC FFI bindings for justpdf PDF engine67MIT OR Apache-2.0API bindings justpdf-formatsExtended format support for justpdf - XPS, EPUB, SVG, Office, CBZ123MIT OR Apache-2.0Parser implementations justpdf-renderPDF rendering engine for justpdf - rasterize pages to images374MIT OR Apache-2.0GraphicsRendering justpdf-specialSpecial features for justpdf - OCR, barcode, ZUGFeRD, BiDi, deskew73MIT OR Apache-2.0Multimedia::Images justrngRNG for people who just want to generate random numbers681non-standard justrs'justfile_temple.just' file You can change the justfile I want. It's for Rust only.247MITCommand line utilitiesDevelopment tools justrunJust run it! A simple init system2,365MIT justshellSimple webapp wrapper3,952MIT