BROWSE A-Z
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-2.0
jute-parserA Rust code generator and parser for Apache Jute schemas33MIT
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-2.0
jvcompiles and runs a java program2,389MIT
jvarsTools for working with JSON via data paths749Unlicense
jvcA simple tool that help with java versions.6,364MIT
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-2.0
jvm-getterJNI_GetCreatedJavaVMs for Android API 30 or lower24,474MIT OR Apache-2.0
jvm-hprofA parser for JVM hprof heap dumps4,697non-standard
jvm-initCreate a Java Virtual Machine with classpath dependencies easily115Apache-2.0 OR MIT
jvm-macroSimple Rust version of jvm standard serialize and deserialize4,168non-standard
jvm-rsBindings for the JVM and its interfaces3,267GPL-3.0-only
jvm-serializableSimple Rust version of jvm standard serialize and deserialize5,779non-standard
jvm-sysBindings for a JVM's provided headers1,656MIT OR Apache-2.0
jvm-tiRust bindings to the JVMTI21MIT OR Apache-2.0
jvm-ti-sysRust definitions corresponding to jvmti.h61MIT OR Apache-2.0
jvmcCross-platform Java Version Manager72MIT
jvmrsA JVM implementation in Rust with Cranelift JIT, AOT compilation, and WebAssembly support59Apache-2.0
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-2.0
jvmti-rsRust bindings to the JVMTI1,352Apache-2.0
jvmti-sysRust wrapper for jvmti.h4,258MIT/Apache-2.0
jvmti2Safe, idiomatic Rust bindings for the JVM Tool Interface (JVMTI)66MIT OR Apache-2.0
jvmti2-sysRust bindings to the jvmti.h175MIT OR Apache-2.0
jvmti_wrapperRust wrapper for jvmti.h4,941MIT
jvmvm-apiThe API for the JVMVM410BSD-3-Clause
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-2.0
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-later
jw-hwp-coreRead-only parser for Hancom HWP 5.0 (binary CFB) and HWPX (OWPML) documents147MIT
jw-hwp-mcpRead-only MCP (Model Context Protocol) server exposing HWP 5.0 and HWPX documents to LLM clients74MIT
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.10,366,141MIT
jwalk-metaFilesystem walk performed in parallel with streamed and sorted results.13,610MIT
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-2.0
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.575MIT
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 integration44,043MIT
jwk_kitA Rust Library for JSON Web Keys (JWK)3,360Apache-2.0
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-3.0
jwks-clientLibrary to validate JWT tokens using JSON Web Key Set (JWKS)46,168MIT
jwks-client-updateLibrary to validate JWT tokens using JSON Web Key Set (JWKS)7,217MIT
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-later
jwksclient2Library to validate JWT tokens using JSON Web Key Set (JWKS)18,200MIT
jwkserveCLI tool for jwkserve - a fake authentication service for local development4,468MIT
jwkserve-cliCLI tool for jwkserve - a fake authentication service for local development3,374MIT
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-standard
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-2.0
jwt-compact-frameMinimalistic JWT implementation with focus on type safety and secure cryptographic primitives. Works in a FRAME/Polkadot SDK…2,335Apache-2.0
jwt-compact-previewMinimalistic JWT implementation with focus on type safety and secure cryptographic primitives12,262Apache-2.0
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-2.0
jwt-encdeGUI JWT encoder / decoder - Local, private, easy.497Apache-2.0
jwt-hackHack the JWT (JSON Web Token) - A tool for JWT security testing and token manipulation2,584MIT
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.595MIT
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,…3,720MIT
jwt-simpleEasy to use, secure, non opinionated JWT (JSON Web Tokens) implementation for Rust.5,528,715ISC
jwt-simple-jwksLibrary to validate JWT tokens using JSON Web Key Set (JWKS)11,547MIT
jwt-simple-no-nbf-forkEasy to use, secure, non opinionated JWT (JSON Web Tokens) implementation for Rust.3,912ISC
jwt-termA blazing-fast, secure, and offline-first CLI for inspecting, validating, and manipulating JWTs141MIT
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.1,125MIT
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 crate881MIT
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-2.0
jwt_hs256_parsefork form https://github.com/h-i-v-e/jwt_hs256_parse2,319MIT OR Apache-2.0
jwt_modesA simple RSA and secret key management crate2,267MIT
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)27,900MIT
jwtinyMinimal JWT validation library for build web services586MIT
jwtiny-deriveMacros for jwtiny440MIT
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).1,895MIT
jwtopa simple TUI resource monitor inspired by gtop and bottom6,214MIT
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 workflow16,183MIT
jwtvoidUtility to convert existing JWTs to the "none" algorithm1,675MIT
jwtxA Rust library to json web token1,271MIT OR Apache-2.0
jwtypeTypes for jwtiny226MIT
jwxRust librariry implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies.1,682MIT
jxAn interactive JSON explorer for the command line7,786Unlicense
jx3-apiJX3API的Rust SDK300MIT
jxcapeA command line tool for creating JSON values3,009MIT OR Apache-2.0
jxlHigh performance Rust implementation of a JPEG XL decoder161,565BSD-3-Clause
jxl-bitstreamJPEG XL bitstream reader, part of jxl-oxide1,875,428MIT OR Apache-2.0
jxl-codingJPEG XL entropy decoder, part of jxl-oxide.1,867,104MIT OR Apache-2.0
jxl-colorJPEG XL color management functions, part of jxl-oxide.1,874,510MIT OR Apache-2.0
jxl-encoderJPEG XL encoder in pure Rust14,656AGPL-3.0-only OR LicenseRef-Imazen-Commercial
jxl-encoder-cliCommand-line JPEG XL encoder91AGPL-3.0-only OR LicenseRef-Imazen-Commercial
jxl-encoder-simdSIMD-accelerated primitives for jxl-encoder14,663AGPL-3.0-only OR LicenseRef-Imazen-Commercial
jxl-frameJPEG XL frame data representation, part of jxl-oxide1,871,646MIT OR Apache-2.0
jxl-gridSample grid implementation for jxl-oxide1,876,122MIT OR Apache-2.0
jxl-imageJPEG XL image header representation, part of jxl-oxide1,865,572MIT OR Apache-2.0
jxl-jbrJPEG bitstream reconstruction from JPEG XL bitstream356,108MIT OR Apache-2.0
jxl-modularJPEG XL Modular image decoder, part of jxl-oxide1,876,589MIT OR Apache-2.0
jxl-oxideJPEG XL decoder written in pure Rust1,884,591MIT OR Apache-2.0
jxl-oxide-cliCLI tools of jxl-oxide26,630MIT OR Apache-2.0
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-2.0
jxl-sysbindings to libjxl113,684MIT OR Apache-2.0
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-2.0
jxl_cmsHigh performance Rust implementation of a JPEG XL decoder - CMS integration library80BSD-3-Clause
jxl_dynlinkRust bindings for JPEG XL library using dynamic linking1,272MIT OR Apache-2.0
jxl_macrosHigh performance Rust implementation of a JPEG XL decoder - supporting macros161,585BSD-3-Clause
jxl_simdHigh performance Rust implementation of a JPEG XL decoder - SIMD support code161,079BSD-3-Clause
jxl_transformsHigh performance Rust implementation of a JPEG XL decoder - Transforms160,825BSD-3-Clause
jxlconvertA Rust CLI app that converts images in comic archives to JPEG XL format.1,820MIT
jxoesneon-tectonicA modernized, complete, embeddable TeX/LaTeX engine.97MIT
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.1,502MIT
jyA minimal json to yaml cli converter3,120MIT
jyafnComputational graphs for Data Science that compile to machine code4,181MIT OR Apache-2.0
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-only
jytA tridirectional converter between Json, Yaml, and Toml23,898MIT
jyxCommand line tool for manipulating data structures5,120MIT
jzeroA compiler and bytecode VM for the Jzero language (a subset of Java)55MIT
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 format311CC0-1.0
jzonContinuation of json-rust, a JSON implementation in Rust4,189,414MIT/Apache-2.0
jzon-rsZero-copy JSON serialization with compile-time generated typed parsers717MIT
jzon-rs-compatDrop-in serde_json replacement powered by jzon (Cargo patch)137MIT
jzon-rs-deriveProc-macro crate for #[derive(ToJson, FromJson)] — part of jzon158MIT
jzon-rs-serdeSerde-compatible JSON engine backed by jzon's SIMD scanner682MIT
kk is for kinematics257,723Apache-2.0