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.
jsonwebtoken-botanA Botan backed crypto provider for jsonwebtoken32MIT
jsonwebtoken-googleparse and validate google jwt token with jsonwebtoken57,166MIT/Apache-2.0
jsonwebtoken-google-wasmparse and validate google jwt token compliant with webassembly runtimes with jsonwebtoken9,808MIT/Apache-2.0
jsonwebtoken-google2parse and validate google jwt token with jsonwebtoken40MIT/Apache-2.0
jsonwebtoken-hs256Create and decode JWTs in a strongly typed way.1,573MIT
jsonwebtoken-icA fork of jsonwebtoken for the Internet Computer.5,998MIT
jsonwebtoken-jwks-cacheResilient and blazingly fast async JWK Set cache31,235MIT
jsonwebtoken-opensslAn OpenSSL backed crypto provider for jsonwebtoken226MIT
jsonwebtoken-rustcryptoCreate and decode JWTs in a strongly typed way, using crypto primatives from the RustCrypto proejct.9,129MIT
jsonwebtokensA Json Web Token implementation for Rust393,245MIT
jsonwebtokens-cognitoDecodes and verifies Json Web Tokens issued by AWS Cognito117,339MIT
jsonwebtolkienCreate and parse JWT in a strongly typed way.1,428MIT
jsonxA serde-enabled implementation of the JSONX extended-JSON format: typed value constructors, unquoted keys, and trailing commas.82MIT OR Apache-2.0
jsonx-deriveDerive macro for jsonx::JsonxConstructor.29MIT OR Apache-2.0
jsonxfA fast JSON pretty-printer and minimizer.277,396MIT
jsonxsExtra small JSON exporter1,740MIT OR Apache-2.0
jsonyAn experimental fast compiling serialization and deserialization library for JSON like formats.7,843MIT
jsony_configLenient JSON configuration framework for Rust applications based on jsony.1,151MIT
jsony_macrosproc-macro crate for jsony7,507MIT
jsony_valueA compact untyped JSON value representation for the jsony crate.65MIT OR Apache-2.0
jsotA tiny helper for shipping generic data in a short string.1,719MIT OR Apache-2.0
jsph-tg-arceos-tutorial-exercise-altallocBump allocator exercise for ArceOS19GPL-3.0
jsph-tg-arceos-tutorial-exercise-altalloc-axallocArceOS global memory allocator18GPL-3.0
jsph-tg-arceos-tutorial-exercise-altalloc-bump-allocatorBump allocator exercise module for ArceOS tutorial65GPL-3.0
jsph-tg-arceos-tutorial-exercise-hashmapExercise about supporting HashMap for ArceOS20GPL-3.0
jsph-tg-arceos-tutorial-exercise-hashmap-axstdArceOS user library with an interface similar to rust std19GPL-3.0
jsph-tg-arceos-tutorial-exercise-printcolorA simple printcolor exercise for ArceOS26GPL-3.0
jsph-tg-arceos-tutorial-exercise-ramfs-renameExercise about supporting rename operation for ramfs for ArceOS22GPL-3.0
jsph-tg-arceos-tutorial-exercise-ramfs-rename-axfsArceOS filesystem module18GPL-3.0
jsph-tg-arceos-tutorial-exercise-ramfs-rename-axfs-ramfsRAM filesystem used by ArceOS20GPL-3.0
jsph-tg-arceos-tutorial-exercise-sysmapExercise about supporting sys_mmap operation for ArceOS23GPL-3.0
jsph-tg-rcore-tutorial-ch1-smpChapter 1 SMP: Multi-core bare-metal demo with synchronization primitives.21GPL-3.0
jsph-tg-rcore-tutorial-ch1-tangramChapter 1 tangram extension: VirtIO-GPU 'OS' tangram display on bare-metal RISC-V20GPL-3.0
jsph-tg-rcore-tutorial-ch2-moving-tangramChapter 2 moving tangram extension: VirtIO-GPU animated 'OS' tangram display via batch processing21GPL-3.0
jsph-tg-rcore-tutorial-ch2-smpChapter 2 SMP: Multi-core batch processing OS with secondary hart idle loop.20GPL-3.0
jsph-tg-rcore-tutorial-ch3-smpChapter 3 of rCore Tutorial with SMP support: multi-core multiprogramming and time-sharing.20GPL-3.0
jsph-tg-rcore-tutorial-ch3-snakeChapter 3 Snake Game: Multiprogramming with VirtIO-GPU.21GPL-3.0
jsph-tg-rcore-tutorial-ch3-t1l1Chapter 3 of rCore Tutorial: Multiprogramming and time-sharing multitasking.17GPL-3.0
jsph-tg-rcore-tutorial-ch4-smpChapter 4 of rCore Tutorial with SMP: Address space management with SV39 virtual memory on multiple harts.20GPL-3.0
jsph-tg-rcore-tutorial-ch4-t1l2Chapter 4 of rCore Tutorial: Address space management with SV39 virtual memory.17GPL-3.0
jsph-tg-rcore-tutorial-ch4-tetrisChapter 4 Tetris: VirtIO GPU game on SV39 virtual memory OS.20GPL-3.0
jsph-tg-rcore-tutorial-ch5-pingpongChapter 5 Pingpong: Two-player Pong game with VirtIO GPU, shared memory IPC, and fork-based multi-process architecture.20GPL-3.0
jsph-tg-rcore-tutorial-ch5-smpChapter 5 of rCore Tutorial with SMP: Process management with fork, exec and wait syscalls on multiple harts.21GPL-3.0
jsph-tg-rcore-tutorial-ch5-t1l3Chapter 5 of rCore Tutorial: Process management with fork, exec and wait syscalls.18GPL-3.0
jsph-tg-rcore-tutorial-ch6-breakoutChapter 6 Breakout: VirtIO GPU brick-breaker game with filesystem save/load.20GPL-3.0
jsph-tg-rcore-tutorial-ch6-t1l4Chapter 6 of rCore Tutorial: File system with easy-fs and virtio block device.18GPL-3.0
jsph-tg-rcore-tutorial-ch7-pacmanChapter 7 Pac-Man: Multi-process Pac-Man game with ghost AI via pipes, signals, VirtIO GPU/keyboard.21GPL-3.0
jsph-tg-rcore-tutorial-ch8-doomChapter 8 Doom: Classic Doom (1993) ported to rCore with VirtIO GPU/keyboard, threads, and mutexes.21GPL-3.0
jsph-tg-rcore-tutorial-ch8-t1l5Chapter 8 of rCore Tutorial: Concurrency with threads, mutex, semaphore and condvar.19GPL-3.0
jsph-tg-rcore-tutorial-easy-fs-t1l4A simple filesystem implementation for rCore tutorial OS.120GPL-3.0
jsph-tg-rcore-tutorial-kernel-alloc-smpSMP-safe kernel memory allocator for rCore tutorial OS using buddy allocation with spinlock.104GPL-3.0
jsph-tg-rcore-tutorial-sbi-smpSMP-capable SBI for rCore tutorial — multi-hart M-mode boot with per-hart stacks and CLINT timer.220GPL-3.0
jsph-tg-rcore-tutorial-userUser-space apps for rCore Tutorial chapters102GPL-3.0
JSpoiRustA Rust library for those who used JavaScript1,061MIT
jsportala set of functions for interroping between javascript and rust1,713MIT
jsqA tool for manipulating data with JavaScript4,782MIT
jsqlA single-pass engine and SQL-shaped query language (jsq) for querying very large JSON files.32MIT
jsrmxA command-line tool to manipulate JSON files. It can split large single-object JSON files into many files; merge multiple JSON…3,220AGPL-3.0
jsrpA Rust library for predicting JavaScript `Math.random()` output for Node, Chrome, Firefox, and Safari environments1,921MIT OR Apache-2.0
jsrsJSRS is a fast and flexible command-line tool for scanning JavaScript files437MIT
jssCreate dynamic css easily using json notation164,202MIT
jss-coreJson Simplified Schema Core Interface6,416MPL-2.0
jss-pestArc Readable Configuration Parser via Pest4,647MPL-2.0
jss_deriveDerive of JSS2,000MIT
jsshReserved for jssh — device-isolated SSH relay for IoT/edge fleets. No VPN. No open ports. Just SSH.18MIT OR Apache-2.0
jsslint-cliCommand-line style checker for LaTeX/BibTeX manuscripts submitted to the Journal of Statistical Software (JSS). Installs the…28MIT
jsslint-coreRule engine behind the Journal of Statistical Software (JSS) LaTeX/BibTeX style checker. Powers the jsslint CLI, WASM, Python,…57MIT
jsslint-crossrefOptional online DOI verification (Crossref + CRAN/DataCite) for the jsslint CLI. A separate crate on purpose: jsslint-wasm…18MIT
jstWrite a javascript object in rust4,796MIT
jstdMulti-Engine JavaScript Runtime409WTFPL
jstimeAnother JS Runtime101,186Apache-2.0
jstime_coreAnother JS Runtime80,014Apache-2.0
jstorchtoolsTool for jstorch3,894MIT
jstra very basic json parser(ish) that does not copy data/duplicate data2,863MIT OR Apache-2.0
jstreamA fluent API for transforming serde_json::Value15MIT
jstream-extA crate which adds some extra extensions to futures Stream traits.1,865Apache-2.0
jstringJavaString uses short string optimizations and a lack of a 'capacity' field to reduce struct size and heap fragmentation in…1,772MIT
jstzReserved for future use1,515MIT
jstz_apiReserved for future use1,540MIT
jstz_bridgeReserved for future use1,519MIT
jstz_cliReserved for future use1,506MIT
jstz_coreReserved for future use1,557MIT
jstz_cryptoJavaScript server runtime for Tezos Smart Rollups4,078MIT
jstz_kernelReserved for future use1,542MIT
jstz_nodeReserved for future use1,512MIT
jstz_protoReserved for future use1,538MIT
jsurlA more compact and human-readable alternative to JSON + URL encoding.1,645MIT/Apache-2.0
jswm-conRust control interface to Jswm.2,804MIT OR Apache-2.0
jswmlibjswm library.2,732MIT OR Apache-2.0
jsxJSX syntax extension for Rust. Very early days, this doesn't do much yet.2,990GPL-3.0
jsx-generatorJSX code generator with formatting, optimization, and minification capabilities15MIT
jsx-one1 Code base, 10 frameworks1,779non-standard
jsxbin-analyzerComprehensive code analyzer for JSX with dependency detection, API classification, and security scanning15MIT
jsxbin-parserBinary parser for Adobe JSX .jsxbin files with comprehensive AST representation20MIT
jsxnPut JSX in your JSON and JSON in your JSX!3,951MIT
jsxrsA Rust library for rendering JSX/TSX to complete HTML documents at build-time or server-side.138Apache-2.0
jsy-mk-194-rsA Rust driver for the JSY MK-194 power monitor IC, supporting both synchronous and asynchronous operation modes.191Apache-2.0
jsy_mk_194Rewrite of power reader JSY-MK-194. Tested on ESP326,218MIT
jsyc-compilerRusty-JSYC (JavaScript bYtecode Compiler) is a JavaScript-To-Bytecode compiler written in Rust. The bytecode is meant to be used…1,968LGPL-3.0-only
jt⚡Rapid note management for the terminal.5,594MIT
jt-consoleutilsScaffolding and helpers for CLI tools275MIT OR Apache-2.0
jt1078jt1078协议库实现1,565MIT OR Apache-2.0
jt808jt808协议库实现3,305MIT OR Apache-2.0
jt808-rsRust for JT808 protocol2,428MIT
jt9rFT8 decoder library and CLI tool128GPL-3.0-only
jt_utiljt808 jt1078等基础库实现3,767MIT OR Apache-2.0
jtableUtility classes to easily render json responses for jtable.org plugin4,893Apache-2.0
jtagRust JTAG abstraction library4,1780BSD
jtag-adiLibrary for interacting with ARM Debug Interface components4,460MIT
jtag-tapsLibrary for interacting with individual TAPs on a JTAG scan chain12,356MIT
jtag_idcodeA BSDL parser51MIT
jtagdapProvides JTAG access to CMSIS-DAP compatible probes9,048Apache-2.0 OR MIT
jtagice_mkiiA simple client for AVRice MKII JTAG debuggers2,831MIT OR Apache-2.0
jtarJTAR is a dumb archive format that appears to be a subset of JSON (which is handy)2,454GPL-3.0
jtdA Rust implementation of JSON Type Definition45,111MIT
jtd-codegenA framework for generating code from JSON Typedef schemas7,830MIT
jtd-deriveGenerate JSON Typedef schemas from Rust types6,404MIT OR Apache-2.0
jtd-derive-macrosProc macros for jtd-gen6,934MIT OR Apache-2.0
jtd-fuzzGenerates example data from JSON Typedef schemas16,110MIT
jtd-inferGenerate JSON Typedef schemas from example data5,310MIT
jtg_gpta gpt lib for JTG use only (not really go ahead and use it if you really want)15,572MIT
jthreadDeadlock-free Mutual Exclusion locks for Rust2,717non-standard
jtl-rsA Rust library for parsing and stringifying JTL documents.1,484MIT
jtmJust The Math Crypto Library10,864GPL-2.0-only
jtodoA simple terminal todo app with CLI and TUI, using markdown for storage41MIT
jtooltool for humans and LLM's to interact with Jupyter data115MIT OR Apache-2.0
jtool-cliCommand-line interface for jtool252MIT OR Apache-2.0
jtool-corecore library for jtool726MIT OR Apache-2.0
jtool-grepnotebook-specific grep tool for jtool390MIT OR Apache-2.0
jtool-jupyterjtool utilities for Jupyter operations609MIT OR Apache-2.0
jtool-notebookjtool utilities for notebook operations610MIT OR Apache-2.0
jtoonCLI tool to convert between JSON and TOON (Token-Oriented Object Notation) formats20MIT
jtopA tool to generate top across processes and containers1,494Apache-2.0
jtop-pssHigh-performance PSS/USS-aware system monitor top/htop replacement in Rust. Features true-color TUI, nanosecond-accurate CPU…22MIT
jtpA simple implementation of thread pool, similar to the ThreadPoolExecutor in java.5,683Apache-2.0
jtracingTracing utilites.11,140GPL-2.0
jttPretty-print JSON chat logs as left/right terminal bubbles with a built-in pager.100MIT
jtxA simple JSON CLI tool2,239MIT OR Apache-2.0
jtxtA JavaScript syntax text processing tool, an awk alternative.1,977MIT
jty-converterJTY-Converter is a command-line tool built in Rust for effortlessly converting between JSON, TOML, and YAML file formats.4,708MIT
jtypesStructured Java type representations, providing guarantees about string contents or easy access to method/field signature…1,690MIT OR Apache-2.0
juA Command Line Tool for Fast System Navigation in Rust9,245MIT
ju-rust-23-10Head & Tails1,790MIT OR Apache-2.0
ju-tcs-rust-2023-14That actually is my package2,676MIT
ju-tcs-rust-23-03Small command line exercise2,680MIT
ju-tcs-rust-23-04package created for rust labs at Jagiellonian University6,462MIT
ju-tcs-rust-23-1Unix-like utils client2,662non-standard
ju-tcs-rust-23-11implementation of the head and tail Posix functions2,986non-standard
ju-tcs-rust-23-12CLI for POSIX head and tail for rust class at TCS JU5,097non-standard
ju-tcs-rust-23-15Read head and tail of a file4,923MIT
ju-tcs-rust-23-16reading first or last lines from a file.2,723MIT
ju-tcs-rust-23-2Unix-like utils1,777non-standard
ju-tcs-rust-23-20A library to get tail and head of the file3,088non-standard
ju-tcs-rust-23-20-bAn executable to get tail and head of the file1,448non-standard
ju-tcs-rust-23-21sample cli app for lab2,660non-standard
ju-tcs-rust-23-22cli head tail lib for labs1,841MIT
ju-tcs-rust-23-23prawa strona tablicy1,593MIT
ju-tcs-rust-23-25Library providing head/tail functions implementation4,250MIT
ju-tcs-rust-23-27Bin package that implements simple versions of tail and head POSIX utils for rust course in UJ2,694Unlicense
ju-tcs-rust-23-28Head and Tails1,803Unlicense
ju-tcs-rust-23-29function head and tail1,800Apache-2.0
ju-tcs-rust-23-30A short description of my package for rust labs in UJ3,880Apache-2.0
ju-tcs-rust-23-5description2,993MIT
ju-tcs-rust-23-6description2,670MIT
ju-tcs-rust-23-7hohoho like haskell3,010MIT OR Apache-2.0
ju-tcs-rust-23-8Lib with Posix function4,224MIT OR Apache-2.0
ju-tcs-rust-23-9No description provided.2,677MIT OR Apache-2.0
ju-tcs-tbop-24-bbhead and tail library1,886non-standard
ju-tcs-tbop-24-bebidek-endpointsA library providing head and tail functionality4,351MIT
ju-tcs-tbop-24-blueoctopusSimple head/tail interface1,498MIT
ju-tcs-tbop-24-clappyexercise5,661MIT
ju-tcs-tbop-24-dcfkCLI tool for POSIX `head` and `tail` commands5,237MIT
ju-tcs-tbop-24-ganacciWe do everything together4,442MIT
ju-tcs-tbop-24-jfkCLI tool for head and tail commands4,036non-standard
ju-tcs-tbop-24-jjaworskaA simple CLI tool imitating unix head and tail commands2,795GPL-3.0
ju-tcs-tbop-24-kasiazboltaaA simple implementation of head and tail posix like functions5,666GPL-3.0
ju-tcs-tbop-24-lib-dcfkTest library for tbop course at JU4,453non-standard
ju-tcs-tbop-24-littlesquirrellib for head and tail1,944MIT
ju-tcs-tbop-24-lukaszgniecki-endpointsVery cool head and tail app. You can print first lines of a file. You can even print last lines of the file.4,019MIT
ju-tcs-tbop-24-oloi-tailheadTBOP course exercise4,001MIT
ju-tcs-tbop-24-pyzikA lib package for tbop labs3,132MIT OR Apache-2.0
ju-tcs-tbop-24-salvatoreA program used to read first or last lines of a file.5,175MIT
ju-tcs-tbop-24-spyrzewskisimple project to get head and tail of the file2,744MIT
ju_tcs_rust_23_18fun head and tail that print n firstl/ last lines1,491MIT
ju_tcs_rust_23_19nie jedzcie ostrego3,052MIT
juanjuan1,628MIT OR Apache-2.0
jub-jubtwisted edwards curve implementation22,422Apache-2.0
jubakoThe reference implementation of the Jubako container format12,202MIT
jubangReserved namespace for JUBANG DAW — see https://jubang.io28LicenseRef-Proprietary
jubarte-redlinesLossless DOCX redline engine — compare two Word documents into a tracked-changes document that opens cleanly in Microsoft Word;…10AGPL-3.0-only
jubjubImplementation of the Jubjub elliptic curve group3,868,410MIT/Apache-2.0
jubjub-elgamalElGamal encryption scheme implemented on the JubJub curve with support for zero-knowledge circuits15,890MPL-2.0
jubjub-plusImplementation of the Jubjub elliptic curve group195,573MIT/Apache-2.0
jubjub-schnorrA pure-Rust implementation of Schnorr signatures with a PLONK circuit module additionally40,350MPL-2.0
juceRust bindings for JUCE1,676MIT
juckxRust CLI tool to automate git commit message generation using Gemini AI3,278MIT
judedynamic reloading of shared libraries4,061Apache-2.0
judge-coreA judge library for online judge system1,552MPL-2.0
judgerA sandboxed environment for running untrusted code safely.699MIT
judiciousA rate-limiting library that enforces a cooldown period after a resource has been used (return-time based).232non-standard