function: json
174 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| codex-team/editor.js Editor.js is an open-source, block-style rich text editor for the web that outputs clean JSON instead of HTML markup. It is highly extensib… | 86 | 31907 | stable |
| DevToys-app/DevToys DevToys is a free, open-source, offline desktop application bundling 30+ small developer utilities such as converters, encoders/decoders, f… | 72 | 31899 | active |
| chinabugotech/hutool Hutool is a comprehensive Java utility library that wraps common JDK operations into convenient static helper classes. It covers strings, c… | 92 | 30271 | stable |
| Tencent/APIJSON APIJSON is a Tencent open-source Java ORM and JSON-based API protocol that auto-generates CRUD APIs and documentation without backend codin… | 98 | 18402 | active |
| mikefarah/yq yq is a lightweight, portable command-line processor for YAML, JSON, XML, CSV, TOML, HCL, INI, and properties files, using jq-like syntax. … | 99 | 15882 | stable |
| wader/fq fq is a command-line tool, expression language, and set of decoders for inspecting and querying binary formats, modeled after jq and using … | 91 | 10581 | active |
| iib0011/omni-tools OmniTools is a self-hosted web application bundling a large collection of browser-based utilities for images, video, audio, PDFs, text, dat… | 69 | 10088 | active |
| pocoproject/poco POCO (Portable Components) is a collection of cross-platform C++ class libraries for building network- and internet-centric applications, c… | 90 | 9478 | stable |
| yonaskolb/XcodeGen XcodeGen is a Swift command line tool that generates Xcode project files (.xcodeproj) from a YAML or JSON project specification and your fo… | 94 | 8737 | active |
| openclaw/gogcli gog is a single Go binary CLI that provides terminal access to Google Workspace services including Gmail, Calendar, Drive, Docs, Sheets, Sl… | 83 | 8330 | active |
| railsadminteam/rails_admin RailsAdmin is a Rails engine that adds an easy-to-use admin interface for managing application data. It provides automatic CRUD, search, fi… | 77 | 7957 | active |
| jspreadsheet/ce Jspreadsheet CE is a lightweight, MIT-licensed JavaScript library for embedding Excel-like interactive data grids and spreadsheet controls … | 57 | 7220 | active |
| cue-lang/cue CUE is an open-source data validation language and inference engine for defining, generating, and validating text-based and dynamic configu… | 97 | 6241 | active |
| aidlearning/AidLearning-FrameWork AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 70 | 5797 | active |
| zxlie/FeHelper FeHelper is an all-in-one browser extension toolbox for Chrome, Firefox, and Edge (Manifest V3) that bundles 30+ developer utilities such a… | 76 | 5658 | active |
| apache/groovy Apache Groovy is a multi-faceted programming language for the JVM that offers Java-like syntax with productivity features such as closures,… | 77 | 5464 | stable |
| swiftlang/swift-corelibs-foundation The Swift Foundation project providing core utility classes, data structures, internationalization, and OS-independent APIs for the Swift l… | 74 | 5438 | active |
| surveyjs/survey-library SurveyJS Form Library is a free, MIT-licensed JavaScript library for rendering dynamic, JSON-driven forms, surveys, quizzes, and multi-step… | 95 | 4854 | stable |
| nalgeon/sqlean A curated collection of SQLite loadable extensions packaged into domain modules like crypto, math, regexp, stats, text, time, uuid, and fil… | 95 | 4366 | active |
| idealvin/coost Coost is a lightweight, cross-platform C++11 base library similar to Boost but much smaller (~1MB static library). It bundles coroutines, a… | 33 | 4211 | active |
| kemalcr/kemal Kemal is a fast, lightweight web framework for the Crystal language with a Sinatra-like DSL for building web applications and JSON APIs. It… | 95 | 3907 | stable |
| Textualize/rich-cli Rich-CLI is a command line toolbox for fancy terminal output, built on the Rich library. It syntax-highlights many file types with speciali… | 66 | 3714 | active |
| denoland/std The official Deno Standard Library, a collection of high-quality TypeScript packages published on JSR covering assertions, async utilities,… | 96 | 3558 | stable |
| json-schema-faker/json-schema-faker A JavaScript library that generates valid, realistic fake JSON data from JSON Schema definitions, supporting JSON Schema 2019-09 and 2020-1… | 92 | 3448 | active |
| any4ai/AnyCrawl AnyCrawl is a Node.js/TypeScript web crawler and scraping service that converts websites into LLM-ready markdown/JSON data and extracts str… | 85 | 3415 | active |
| hicccc77/WeFlow WeFlow is a fully local desktop application for viewing, analyzing, and exporting WeChat chat history, including yearly data reports and vi… | 59 | 13959 | maintenance |
| swiftlang/swift-foundation The Swift Foundation project, providing the core implementation of key Foundation API types such as URL, Data, JSONDecoder, Locale, and Cal… | 96 | 2680 | active |
| divkit/divkit DivKit is an open-source Server-Driven UI (SDUI) framework that renders UI from JSON descriptions supplied by a server. It lets you write a… | 95 | 2664 | active |
| aws-cloudformation/cfn-lint cfn-lint is a Python CLI tool that validates AWS CloudFormation templates (YAML/JSON) against resource provider schemas and best-practice c… | 94 | 2640 | active |
| boazsegev/facil.io facil.io is a high-performance C micro-framework for web applications, providing an evented HTTP/1.1, WebSocket, and SSE server with pub/su… | 57 | 2400 | active |
| hacksalot/HackMyResume A Node.js command-line tool that generates polished résumés and CVs in multiple formats (HTML, Markdown, LaTeX, MS Word, PDF, plain text, J… | 23 | 9342 | maintenance |
| DevToys-app/DevToysMac DevToysMac is a native macOS desktop app offering a collection of offline developer utilities such as JSON/YAML conversion, JSON formatting… | 10 | 9199 | maintenance |
| lljj-x/vue-json-schema-form A Vue 2/Vue 3 library that dynamically generates fully validated HTML forms from JSON Schema definitions, with adapters for ElementUI, Elem… | 60 | 2269 | active |
| nette/utils nette/utils is a lightweight PHP library of everyday utility classes covering arrays, strings, JSON, filesystem, images, pagination, valida… | 92 | 2144 | stable |
| rememberber/MooTool MooTool is an all-in-one desktop developer toolbox offering dozens of handy utilities in a single GUI app, including JSON formatting, times… | 99 | 2032 | active |
| homeport/dyff dyff is a command-line diff tool for YAML files (and sometimes JSON) that reports only the parts of a file that changed, referencing each d… | 92 | 1876 | active |
| simonw/tools A collection of miscellaneous HTML+JavaScript single-page tools hosted at tools.simonwillison.net, almost entirely generated with LLMs as a… | 69 | 1840 | active |
| mithrandie/csvq csvq is a command line tool written in Go that lets you query and manipulate CSV files using a SQL-like language, including select, insert,… | 23 | 1627 | active |
| moonsharp-devs/moonsharp MoonSharp is a complete Lua 5.2 interpreter written entirely in C# for .NET, Mono, Xamarin, and Unity, with no external dependencies. It in… | 78 | 1614 | active |
| PlummersSoftwareLLC/NightDriverStrip NightDriverStrip is C++ firmware for the ESP32 that drives addressable LED strips and matrices with animated effects, configurable over WiF… | 86 | 1579 | active |
| mike-engel/jwt-cli jwt-cli is a fast command-line tool written in Rust for decoding and encoding JSON Web Tokens (JWTs). It supports custom headers, arbitrary… | 67 | 1507 | active |
| Water-Melon/Melon Melon is a generic cross-platform C library (C99) bundling algorithms, data structures, functional components (memory pool, thread pool, ev… | 70 | 1460 | active |
| http-rs/tide Tide is a minimal and pragmatic async web application framework for Rust, built on async-std, that provides routing, middleware, cookies, s… | 23 | 5094 | maintenance |
| mhgolkar/Arrow Arrow is a free, open-source visual tool for game narrative design, text-adventure development, and interactive nonlinear storytelling, bui… | 44 | 1340 | active |
| copperspice/copperspice CopperSpice is a set of cross-platform C++ libraries (Core, Gui, Network, Multimedia, SQL, OpenGL, Vulkan, WebKit, XML, and more) derived f… | 74 | 1324 | active |
| elixir-explorer/explorer Explorer is an Elixir library providing series (one-dimensional) and dataframes (two-dimensional) for fast data exploration and manipulatio… | 87 | 1291 | active |
| 0xSero/ai-data-extraction A Python toolkit of extraction scripts that pulls complete chat, agent, and code-context history from AI coding assistants like Cursor, Cla… | 60 | 1257 | active |
| egbertbouman/youtube-comment-downloader A Python script and library for downloading YouTube video comments without using the official YouTube API. It outputs comments in JSONL, JS… | 88 | 1247 | active |
| RobotWebTools/rosbridge_suite rosbridge_suite is a set of ROS packages implementing the rosbridge v2 protocol, which exposes ROS topics, services, and parameters through… | 76 | 1237 | active |
| AndrewWalsh/openapi-devtools A browser extension for Chrome and Firefox that automatically generates OpenAPI 3.1 specifications in real time from network requests obser… | 23 | 4304 | maintenance |
| babelouest/ulfius Ulfius is an HTTP framework for building REST APIs, webservices, and HTTP endpoints in C, built on libmicrohttpd, Jansson, and libcurl. It … | 64 | 1147 | active |
| hfaran/slack-export-viewer A Python CLI tool that parses Slack export archives (zip or directory of JSON files) and presents them in a browsable web interface built w… | 95 | 1129 | active |
| spytensor/prepare_detection_dataset A collection of Python scripts that convert object detection datasets between common annotation formats, including CSV, LabelMe JSON, COCO,… | 66 | 1107 | active |
| goby-lang/goby Goby is an object-oriented, Ruby-inspired interpreted programming language implemented entirely in Go, compiling to bytecode and running on… | 10 | 3505 | maintenance |
| dvsekhvalnov/jose-jwt A zero-dependency .NET library implementing the full JOSE suite: JWT generation/decoding, JWE encryption, JWS signatures, and JWK key handl… | 72 | 1023 | active |
| yuzhengyang/Fork Fork is a C# utility library (published as Azylee.Core on NuGet) that bundles common helper methods for data processing, file handling, enc… | 43 | 1007 | active |
| ranahaani/GNews GNews is a lightweight Python package that queries the Google News RSS feed and returns article results as usable JSON. It supports keyword… | 68 | 1006 | active |
| sohaha/zlsgo zlsgo is a lightweight, modular Go standard-library-style toolkit offering web framework (znet), logging (zlog), HTTP client (zhttp), JSON … | 74 | 1002 | active |
| go-gota/gota Gota is a Go library implementing DataFrames, Series, and data wrangling methods for tabular data manipulation. It supports loading data fr… | 10 | 3266 | maintenance |
| VBA-tools/VBA-Web VBA-Web is a VBA library that lets Excel, Access, and other Office applications call web services and REST APIs on Windows and Mac. It prov… | 23 | 2135 | maintenance |
| miloyip/nativejson-benchmark A benchmark suite evaluating the conformance and performance (speed, memory, code size) of 41 open-source C/C++ JSON parsing and generation… | 23 | 2065 | maintenance |
| ninjaframework/ninja Ninja is a full stack web framework for Java built on mature technologies like Servlets, Guice, JPA, Flyway, and Maven. It provides routing… | 66 | 1901 | maintenance |
| syyongx/php2go A Go library that reimplements over 140 of PHP's common built-in functions (string, array, date/time, math, filesystem, URL, and more) in p… | 23 | 1642 | maintenance |
| jingle1267/android-utils A Java utility class library for Android development that bundles dozens of commonly used helper classes covering files, bitmaps, networkin… | 32 | 1322 | maintenance |
| kayalshri/tableExport.jquery.plugin A jQuery plugin that exports HTML tables to multiple formats including JSON, XML, CSV, TXT, SQL, PNG, PDF, and Microsoft Office documents (… | 32 | 1235 | maintenance |
| Baseflow/LottieXamarin Xamarin bindings for Lottie that parse Adobe After Effects animations exported as JSON via Bodymovin and render them natively on Android, i… | 23 | 1213 | maintenance |
| synesthesiam/voice2json voice2json is a collection of command-line tools for offline speech-to-text and intent recognition on Linux, supporting 18 languages via en… | 10 | 1105 | maintenance |
| janodvarko/harviewer HAR Viewer is a web application for visualizing HTTP Archive (HAR) files, which log HTTP client/server conversations captured by HTTP track… | 32 | 1074 | maintenance |
| HamburgChimps/apple-notes-liberator A Java CLI tool that extracts notes from Apple's Notes.app SQLite database and exports them as JSON or Markdown. Built with Quarkus and pic… | 21 | 1017 | maintenance |
| google/closure-library Google's common JavaScript library providing a broad set of reusable utilities, DOM helpers, and UI components for web development. The rep… | 10 | 4897 | abandoned |
| mikechambers/as3corelib as3corelib is an ActionScript 3 utility library originally from Adobe, providing MD5 and SHA-1 hashing, image encoders, JSON serialization,… | 32 | 1504 | abandoned |
| fossasia/open-event-v1 The legacy Open Event server that powered eventyay.com, enabling organizers to manage events, speakers, tracks, venues, and drag-and-drop s… | 10 | 1472 | abandoned |
| zenangst/Spots Spots is a cross-platform view controller framework for building component-based user interfaces in Swift. It uses generic view models that… | 23 | 1302 | abandoned |
| misoproject/dataset Dataset.js is a JavaScript library for managing data behind client-side visualizations, handling loading, parsing, sorting, filtering, and … | 32 | 1172 | abandoned |
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