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.

justshowDraw things on screen. Simply.1,513AGPL-3.0 juteAn opinionated JOSE library that implements JWT, JWS, JWE, JWA and JWK.3,702MIT OR Apache-2.0AuthenticationCryptography jute-parserA Rust code generator and parser for Apache Jute schemas33MITDevelopment tools jutellaChatbot API client library and CLI interface.4,886MIT jutella-xmppXMPP – OpenAI API bridge1,200MIT jutilsJSON Utilities for Rust3,978MIT juvjuv: a Rust port of JBang66MIT juxrJUnit XML Reports Toolkit29,239Apache-2.0Command line utilities jvcompiles and runs a java program2,389MIT jvarsTools for working with JSON via data paths749Unlicense jvcA simple tool that help with java versions.6,364MITCommand line utilities jvmplaceholder1,974MIT jvm-assemblerTools for working with Java Virtual Machine Class files from Rust.3,089MIT jvm-descriptorsJVM descriptor parsers980MIT jvm-findEasily locate a system's JVM installation44,236MIT OR Apache-2.0Filesystem jvm-getterJNI_GetCreatedJavaVMs for Android API 30 or lower24,474MIT OR Apache-2.0No standard libraryOperating systems::Android APIs jvm-hprofA parser for JVM hprof heap dumps4,697non-standardDevelopment toolsParser implementations jvm-initCreate a Java Virtual Machine with classpath dependencies easily115Apache-2.0 OR MITAPI bindings jvm-macroSimple Rust version of jvm standard serialize and deserialize4,168non-standard jvm-rsBindings for the JVM and its interfaces3,267GPL-3.0-onlyExternal FFI bindings jvm-serializableSimple Rust version of jvm standard serialize and deserialize5,779non-standard jvm-sysBindings for a JVM's provided headers1,656MIT OR Apache-2.0External FFI bindings jvm-tiRust bindings to the JVMTI21MIT OR Apache-2.0API bindings jvm-ti-sysRust definitions corresponding to jvmti.h61MIT OR Apache-2.0External FFI bindings jvmcCross-platform Java Version Manager72MITCommand line utilitiesDevelopment tools jvmrsA JVM implementation in Rust with Cranelift JIT, AOT compilation, and WebAssembly support59Apache-2.0Development toolsEmulators jvmtiJVM TI Rust binding3,660Apache-2.0 jvmti-autobindingsJVMTI bindings generated by bindgen at compile time for dependents.72Apache-2.0 jvmti-bindingsComplete JNI and JVMTI bindings for Rust with zero dependencies by default. Build JVM agents in pure Rust.528MIT OR Apache-2.0API bindingsDevelopment tools::Profiling jvmti-rsRust bindings to the JVMTI1,352Apache-2.0API bindings jvmti-sysRust wrapper for jvmti.h4,258MIT/Apache-2.0 jvmti2Safe, idiomatic Rust bindings for the JVM Tool Interface (JVMTI)66MIT OR Apache-2.0API bindingsDevelopment tools::Profiling jvmti2-sysRust bindings to the jvmti.h175MIT OR Apache-2.0External FFI bindings jvmti_wrapperRust wrapper for jvmti.h4,941MIT jvmvm-apiThe API for the JVMVM410BSD-3-ClauseWeb programming::HTTP server jvrA simple and easy-to-use Java version manager (registry: jvr), similar to Node.js's nvm, but it does not follow nvm's naming…2,735Apache-2.0Command line utilities jvs-packetsA crate that provide structures for JVS protocols5,339MIT OR Apache-2.0 jwBlazingly fast filesystem traverser and mass file hasher with diff support, powered by jwalk and xxh3!11,406GPL-3.0-or-laterCommand line utilitiesFilesystem jw-hwp-coreRead-only parser for Hancom HWP 5.0 (binary CFB) and HWPX (OWPML) documents147MITEncodingParser implementations jw-hwp-mcpRead-only MCP (Model Context Protocol) server exposing HWP 5.0 and HWPX documents to LLM clients74MITCommand line utilitiesParser implementations jw_clientA simple API wrapper for the JW Player media management API. List or stream library into native Rust structs and download…5,804MIT OR Apache-2.0 jwalkFilesystem walk performed in parallel with streamed and sorted results.10,366,141MITConcurrencyFilesystem jwalk-metaFilesystem walk performed in parallel with streamed and sorted results.13,610MITConcurrencyFilesystem jwconvJapanese Writing System Converter2,753Apache-2.0 jwconv-cliJapanese Writing System Converter (CLI)2,297Apache-2.0 jwconv-ffiJapanese Writing System Converter (Library for FFI)2,325Apache-2.0 jwfetchpackage reqwest with trace18,742MIT jwiesler-async-stripeAPI bindings for the Stripe HTTP API4,332MIT OR Apache-2.0API bindings jwilm-xdoRust bindings for a few libxdo methods6,267MIT OR Apache-2.0 jwinpipepipe io async and sync operations (currently in WIP so it just contains some async)73MIT jwkA library that makes it possible to2,358 jwk-boxA simple JWK client.575MITAuthentication jwk-setJSON Web Token (JWT) Set4,031Apache-2.0 OR MIT jwk-simpleJWK/JWKS for Rust and WASM (RFC 7517, 7518, 7638, 8037, 9864) with jwt-simple integration44,043MITAuthenticationCryptography jwk_kitA Rust Library for JSON Web Keys (JWK)3,360Apache-2.0AuthenticationCryptography jwkrsA JWK library.10,173MIT OR Apache-2.0 jwksA library for retrieving and parsing JSON Web Key Sets (JWKS)136,665non-standard jwks-cacheHigh-performance async JWKS cache with ETag revalidation, early refresh, and multi-tenant support — built for modern Rust…872GPL-3.0AsynchronousAuthentication jwks-clientLibrary to validate JWT tokens using JSON Web Key Set (JWKS)46,168MITAuthenticationCryptography jwks-client-updateLibrary to validate JWT tokens using JSON Web Key Set (JWKS)7,217MITAuthenticationCryptography jwks-rsjwks client1,209MIT jwks_client_rsJWKS-sync client implementation for Auth0303,143MIT jwks_rsa_easyLibrary for validation of RS256 JWTs with remote JWKS4,639GPL-3.0-or-laterAuthentication jwksclient2Library to validate JWT tokens using JSON Web Key Set (JWKS)18,200MITAuthenticationCryptography jwkserveCLI tool for jwkserve - a fake authentication service for local development4,468MITAuthenticationCommand line utilities jwkserve-cliCLI tool for jwkserve - a fake authentication service for local development3,374MITAuthenticationCommand line utilities jwsJSON Web Signature for Rust48,326BSD-2-Clause jwshCLI untuk menampilkan jadwal sholat dari API MyQuran1,308MIT JWSTreserve crate name1,629AGPL-3.0-only jwtJSON Web Token library11,259,647MIT jwt-actix4JWT authentication middleware for Actix 44,935non-standardWeb programmingWeb programming::HTTP server jwt-authorizerjwt authorizer middleware for axum and tonic448,454MIT jwt-claimsStructured version of the JWT Claims Set, as referenced at https://datatracker.ietf.org/doc/html/rfc7519#section-4.4,800MIT jwt-cliA super fast CLI tool to decode and encode JWTs built in Rust62,456MIT jwt-compactMinimalistic JWT implementation with focus on type safety and secure cryptographic primitives740,203Apache-2.0CryptographyNo standard library jwt-compact-frameMinimalistic JWT implementation with focus on type safety and secure cryptographic primitives. Works in a FRAME/Polkadot SDK…2,335Apache-2.0CryptographyNo standard library jwt-compact-previewMinimalistic JWT implementation with focus on type safety and secure cryptographic primitives12,262Apache-2.0CryptographyWeb programming jwt-debuggerCommand line utility for working with JWTs2,699MIT jwt-decoderA small command line utility to parse out json web token.4,703MIT OR Apache-2.0Command line utilities jwt-encdeGUI JWT encoder / decoder - Local, private, easy.497Apache-2.0Development tools jwt-hackHack the JWT (JSON Web Token) - A tool for JWT security testing and token manipulation2,584MITCommand line utilitiesCryptography jwt-kenjiCreate and verify your JWTs blazingly fast in rust1,375MIT jwt-labJWT crate for Rust: decode, verify, sign, mutate, JWK/JWKS, algorithm selection, time validation, and secure APIs.595MITAuthenticationCryptography jwt-nextJSON Web Token library3,030MIT jwt-rustcryptoLibrary for encoding, decoding, and validating JSON Web Tokens (JWTs) implemented using Rust Crypto libraries.35,887MIT jwt-serviceA high-performance async library for JWT (JSON Web Token) authentication and authorization. Supports token generation,…3,720MITNetwork programmingWeb programming jwt-simpleEasy to use, secure, non opinionated JWT (JSON Web Tokens) implementation for Rust.5,528,715ISCAPI bindingsCryptography jwt-simple-jwksLibrary to validate JWT tokens using JSON Web Key Set (JWKS)11,547MITAuthenticationCryptography jwt-simple-no-nbf-forkEasy to use, secure, non opinionated JWT (JSON Web Tokens) implementation for Rust.3,912ISCAPI bindingsCryptography jwt-termA blazing-fast, secure, and offline-first CLI for inspecting, validating, and manipulating JWTs141MITAuthenticationCommand line utilities jwt-tonic-user-uuidJWT token parser for grpc request4,686Apache-2.0 jwt-tuiA terminal UI for JWTs (JSON Web Tokens) that allows you to decode, verify and generate JWTs.1,125MITCommand line utilities jwt-uiA Terminal UI for decoding/encoding JSON Web Tokens23,404MIT jwt-verifyJWT verification library for AWS Cognito tokens and any OIDC-compatible IDP392MIT jwt2JSON Web Tokens done right... hopefully.1,237Apache-2.0 jwt_appA simple RSA and secret key management crate881MITCryptographyDevelopment tools::Cargo plugins jwt_boilerBoilerplate for jwt signing and decrypting.2,734MIT jwt_hmacA simple library for generating and parsing JWT tokens using HMAC SHA256 as per https://jwt.io/introduction3,103MIT OR Apache-2.0Authentication jwt_hs256_parsefork form https://github.com/h-i-v-e/jwt_hs256_parse2,319MIT OR Apache-2.0Authentication jwt_modesA simple RSA and secret key management crate2,267MITCryptographyDevelopment tools::Cargo plugins jwt_providerInterface library for the jwt_provider jwt_handler capability,5,167Apache-2.0 jwt_rsA Json Web Token (JWT) implementation for Rust1,664MIT jwteaLean JWT library60MIT OR Apache-2.0 jwtexpPrint the expiration date (in UTC) of the JWT token. See `jwtexp -h` for usage instructions.4,737Apache-2.0 jwtinfoCommand line tool to get information about JWTs (Json Web Tokens)27,900MITCommand-line interfaceCommand line utilities jwtinyMinimal JWT validation library for build web services586MITAuthenticationDevelopment tools jwtiny-deriveMacros for jwtiny440MITAuthenticationDevelopment tools jwtkJWT signing (JWS) and verification, with first class JWK and JWK Set (JWKS) support.712,000MIT jwtkitJWT tokens implementation for Rust24MIT OR Apache-2.0 jwtokenA flexible utility library for encoding and decoding JSON Web Tokens (JWT).1,895MITAuthenticationWeb programming jwtopa simple TUI resource monitor inspired by gtop and bottom6,214MITCommand line utilities jwtsA rust implementation of JSON Web Tokens.16,049Apache-2.0 jwtsecJWT менеджер с поддержкой access и refresh токенов, проверкой IP и User-Agent923MIT OR Apache-2.0 jwtvaultHighly flexible library to manage and orchestrate JWT workflow16,183MITAuthenticationWeb programming jwtvoidUtility to convert existing JWTs to the "none" algorithm1,675MIT jwtxA Rust library to json web token1,271MIT OR Apache-2.0Algorithms jwtypeTypes for jwtiny226MITAuthenticationDevelopment tools jwxRust librariry implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies.1,682MITAuthenticationCryptography jxAn interactive JSON explorer for the command line7,786UnlicenseCommand line utilitiesText processing jx3-apiJX3API的Rust SDK300MIT jxcapeA command line tool for creating JSON values3,009MIT OR Apache-2.0Command line utilities jxlHigh performance Rust implementation of a JPEG XL decoder161,565BSD-3-ClauseMultimedia::Images jxl-bitstreamJPEG XL bitstream reader, part of jxl-oxide1,875,428MIT OR Apache-2.0Multimedia::Images jxl-codingJPEG XL entropy decoder, part of jxl-oxide.1,867,104MIT OR Apache-2.0Multimedia::Images jxl-colorJPEG XL color management functions, part of jxl-oxide.1,874,510MIT OR Apache-2.0Multimedia::Images jxl-encoderJPEG XL encoder in pure Rust14,656AGPL-3.0-only OR LicenseRef-Imazen-CommercialMultimedia::EncodingMultimedia::Images jxl-encoder-cliCommand-line JPEG XL encoder91AGPL-3.0-only OR LicenseRef-Imazen-CommercialCommand line utilitiesMultimedia::Images jxl-encoder-simdSIMD-accelerated primitives for jxl-encoder14,663AGPL-3.0-only OR LicenseRef-Imazen-CommercialAlgorithmsMultimedia::Images jxl-frameJPEG XL frame data representation, part of jxl-oxide1,871,646MIT OR Apache-2.0Multimedia::Images jxl-gridSample grid implementation for jxl-oxide1,876,122MIT OR Apache-2.0Multimedia::Images jxl-imageJPEG XL image header representation, part of jxl-oxide1,865,572MIT OR Apache-2.0Multimedia::Images jxl-jbrJPEG bitstream reconstruction from JPEG XL bitstream356,108MIT OR Apache-2.0Multimedia::Images jxl-modularJPEG XL Modular image decoder, part of jxl-oxide1,876,589MIT OR Apache-2.0Multimedia::Images jxl-oxideJPEG XL decoder written in pure Rust1,884,591MIT OR Apache-2.0Multimedia::Images jxl-oxide-cliCLI tools of jxl-oxide26,630MIT OR Apache-2.0Multimedia::Images jxl-oxide-commonCommon helpers for jxl-oxide1,695,707MIT OR Apache-2.0 jxl-renderJPEG XL image renderer, part of jxl-oxide1,880,827MIT OR Apache-2.0Multimedia::Images jxl-sysbindings to libjxl113,684MIT OR Apache-2.0External FFI bindingsGraphics jxl-threadpoolInternal crate of jxl-oxide to abstract over thread pool implementation1,805,644MIT OR Apache-2.0 jxl-vardctJPEG XL VarDCT frame representation, part of jxl-oxide1,868,549MIT OR Apache-2.0Multimedia::Images jxl_cmsHigh performance Rust implementation of a JPEG XL decoder - CMS integration library80BSD-3-ClauseMultimedia::Images jxl_dynlinkRust bindings for JPEG XL library using dynamic linking1,272MIT OR Apache-2.0External FFI bindingsMultimedia::Images jxl_macrosHigh performance Rust implementation of a JPEG XL decoder - supporting macros161,585BSD-3-ClauseMultimedia::Images jxl_simdHigh performance Rust implementation of a JPEG XL decoder - SIMD support code161,079BSD-3-ClauseMultimedia::Images jxl_transformsHigh performance Rust implementation of a JPEG XL decoder - Transforms160,825BSD-3-ClauseMultimedia::Images jxlconvertA Rust CLI app that converts images in comic archives to JPEG XL format.1,820MITCommand line utilitiesMultimedia::Images jxoesneon-tectonicA modernized, complete, embeddable TeX/LaTeX engine.97MITCommand-line interfaceParser implementations jxoesneon-tectonic-bridge_coreInternal crate for the Tectonic project: tectonic_bridge_core812MIT jxoesneon-tectonic-bridge_flateInternal crate for the Tectonic project: tectonic_bridge_flate806MIT jxoesneon-tectonic-bridge_fontconfigInternal crate for the Tectonic project: tectonic_bridge_fontconfig437MIT jxoesneon-tectonic-bridge_freetype2Internal crate for the Tectonic project: tectonic_bridge_freetype2529MIT jxoesneon-tectonic-bridge_graphite2Internal crate for the Tectonic project: tectonic_bridge_graphite2549MIT jxoesneon-tectonic-bridge_harfbuzzInternal crate for the Tectonic project: tectonic_bridge_harfbuzz445MIT jxoesneon-tectonic-bridge_icuInternal crate for the Tectonic project: tectonic_bridge_icu457MIT jxoesneon-tectonic-bridge_pngInternal crate for the Tectonic project: tectonic_bridge_png873MIT jxoesneon-tectonic-bundlesInternal crate for the Tectonic project: tectonic_bundles254MIT jxoesneon-tectonic-cfg_supportInternal crate for the Tectonic project: tectonic_cfg_support798MIT jxoesneon-tectonic-dep_supportInternal crate for the Tectonic project: tectonic_dep_support1,118MIT jxoesneon-tectonic-docmodelInternal crate for the Tectonic project: tectonic_docmodel253MIT jxoesneon-tectonic-engine_bibtexInternal crate for the Tectonic project: tectonic_engine_bibtex256MIT jxoesneon-tectonic-engine_spx2htmlInternal crate for the Tectonic project: tectonic_engine_spx2html253MIT jxoesneon-tectonic-engine_xdvipdfmxInternal crate for the Tectonic project: tectonic_engine_xdvipdfmx233MIT jxoesneon-tectonic-engine_xetexInternal crate for the Tectonic project: tectonic_engine_xetex234MIT jxoesneon-tectonic-errorsInternal crate for the Tectonic project: tectonic_errors1,371MIT jxoesneon-tectonic-geturlInternal crate for the Tectonic project: tectonic_geturl356MIT jxoesneon-tectonic-io_baseInternal crate for the Tectonic project: tectonic_io_base976MIT jxoesneon-tectonic-mac_coreInternal crate for the Tectonic project: tectonic_mac_core477MIT jxoesneon-tectonic-pdf_ioInternal crate for the Tectonic project: tectonic_pdf_io434MIT jxoesneon-tectonic-status_baseInternal crate for the Tectonic project: tectonic_status_base1,134MIT jxoesneon-tectonic-xdvInternal crate for the Tectonic project: tectonic_xdv358MIT jxoesneon-tectonic-xetex_formatInternal crate for the Tectonic project: tectonic_xetex_format137MIT jxoesneon-tectonic-xetex_layoutInternal crate for the Tectonic project: tectonic_xetex_layout341MIT jxonConvert XML to a serde_json::Value and back quickly using quick-xml.14,635GPL-3.0 jxpandA tool for expanding JSON data with annotations useful for code generation.1,502MITCommand line utilitiesTemplate engine jyA minimal json to yaml cli converter3,120MITCommand line utilities jyafnComputational graphs for Data Science that compile to machine code4,181MIT OR Apache-2.0CompilersMathematics jyafn-extJyafn extension creation helper library2,300MIT OR Apache-2.0 jyafn-qbeQBE IR for Rust (forked from https://github.com/garritfra/qbe-rs for jyafn)1,961MIT OR Apache-2.0 jyd2dsimple data structures for drawing 2d plans1,745MIT jynPersonal task manager - Git-native, CLI-first, CalDAV-ready132MIT jyn-cliPersonal task manager - Git-native, CLI-first, CalDAV-ready196MIT jyn-coreCore library for Jyn personal task manager - extends joy-core with recurrence272MIT jyotishJyotish — astronomical computation engine for planetary positions, calendar systems, and celestial event prediction184GPL-3.0-onlyScienceSimulation jytA tridirectional converter between Json, Yaml, and Toml23,898MIT jyxCommand line tool for manipulating data structures5,120MITCommand-line interfaceData structures jzeroA compiler and bytecode VM for the Jzero language (a subset of Java)55MITCompilers jzero-astSyntax tree data structures for the Jzero compiler215MIT jzero-codegenTAC and bytecode code generation for the Jzero compiler126MIT jzero-lexerLexer for the Jzero language (a subset of Java)217MIT jzero-parserLR(1) parser for the Jzero language184MIT jzero-semanticSemantic analysis and type checking for the Jzero compiler147MIT jzero-symtabSymbol table types for the Jzero compiler247MIT jzero-vmBytecode interpreter and VM for the Jzero language85MIT jzodTyped model for the JZOD open astrology chart interchange format311CC0-1.0Data structuresEncoding jzonContinuation of json-rust, a JSON implementation in Rust4,189,414MIT/Apache-2.0 jzon-rsZero-copy JSON serialization with compile-time generated typed parsers717MITEncodingParsing tools jzon-rs-compatDrop-in serde_json replacement powered by jzon (Cargo patch)137MITEncodingParsing tools jzon-rs-deriveProc-macro crate for #[derive(ToJson, FromJson)] — part of jzon158MITEncodingParsing tools jzon-rs-serdeSerde-compatible JSON engine backed by jzon's SIMD scanner682MITEncodingParsing tools kk is for kinematics257,723Apache-2.0Algorithms