Showing 74 open source projects for "devtools"

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  • 1
    Void Editor

    Void Editor

    Open source AI IDE and Cursor alternative

    ...Designed as a fully transparent and privacy-focused alternative to Cursor or GitHub Copilot, it lets you use AI models locally or via APIs (OpenAI, Claude, Gemini, Ollama, etc.)—without routing data through proprietary servers. Developed by YC-backed startup Glass Devtools, it supports traditional coding features inherited from VS Code, enhanced with in-editor LLM capabilities—autocomplete, inline quick edits, and chat agents, all while giving developers total prompt and data control.
    Downloads: 16 This Week
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  • 2
    TanStack Query

    TanStack Query

    Powerful asynchronous state management, server-state utilities

    ...Simply pass a function that resolves your data (or throws an error) and the rest is history. TanStack Query is configurable down to each observer instance of a query with knobs and options to fit every use-case. It comes wired up with dedicated devtools, infinite-loading APIs, etc.
    Downloads: 16 This Week
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  • 3
    WebF

    WebF

    Build flutter apps with HTML/CSS and JavaScript.

    ...You can define a customized HTML element with Flutter Widgets and use it in your application or add a JavaScript API for any Dart library from pub.dev registry. Web Development Experience. WebF supports inspecting DOM structure, CSS styles and debugging JavaScript with Chrome DevTools, providing a browser-like web development experience. Write Once, Run Anywhere: With the power of WebF, You can write your web application and run it on any device that Flutter supports.
    Downloads: 15 This Week
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  • 4
    Ink

    Ink

    React for interactive command-line apps

    Ink is React for CLIs. It is designed to provide that same component-based UI building experience that React provides, only this time for command-line apps. So if you already know React, then you should know Ink. Apart from being built for CLIs, one other key difference between the two is that with Ink, the rendering doesn’t result in a DOM but a string, which Ink writes to the output. Ink is a React renderer, so all features of React are supported. Dozens of projects currently use Ink....
    Downloads: 0 This Week
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  • 5
    Puppeteer

    Puppeteer

    Headless Chrome Node.js API

    Puppeteer is a headless Node library that provides a high level API for controlling Chromium or Chrome over the DevTools protocol. It requires zero setup and comes bundled with the Chromium version most suited to it. Puppeteer is headless by default, making it fast to run. However, it can also be set to run full or non-headless Chrome or Chromium, simply set the headless option when launching a browser. Many of the things you can do manually in the browser, you can also do with Puppeteer such as generate page screenshots and PDFs, crawl a Single-Page Application, test Chrome extensions and more.
    Downloads: 7 This Week
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  • 6
    Alpine.js

    Alpine.js

    A rugged, minimal framework for composing JavaScript behavior

    ...Because Alpine is so minimal, it avoids virtual DOM overhead and focuses on being incremental and composable; you can use it for small interactive components inside traditional server-rendered pages. The project has grown a robust ecosystem (plugins, devtools, helper libraries) as people adopt it for micro-frontend patterns, admin panels, interactive widgets, and anything that benefits from having bits of reactivity without a heavy JavaScript framework.
    Downloads: 9 This Week
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  • 7
    TradingView MCP Bridge

    TradingView MCP Bridge

    AI-assisted TradingView chart analysis

    TradingView MCP Bridge connects an AI coding assistant to a locally running TradingView Desktop application. It communicates through the Chrome DevTools Protocol and exposes chart controls through MCP tools and a command-line interface. The assistant can navigate symbols and timeframes, inspect indicator values, capture screenshots, draw annotations, manage alerts, and configure multi-pane layouts. Pine Script workflows include writing, injecting, compiling, debugging, and iterating on scripts from natural-language requests. ...
    Downloads: 1 This Week
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  • 8
    Algora TV

    Algora TV

    Open source Twitch for developers

    Algora TV is an open source Elixir/Phoenix application developed by Algora.io that powers Live Billboards—a platform for embedding in-video ads during livestreams. The project enables developers to monetize their live content while providing devtools companies a dynamic and non-intrusive way to reach audiences in real time. Built on top of the Phoenix framework, it leverages Elixir’s concurrency and scalability to handle streaming, ad management, and user interactions seamlessly. The system integrates with GitHub for authentication and uses Tigris for media storage and delivery, with optional support for services like FFmpeg, ImageMagick, and OBS Studio for livestream testing and video processing. ...
    Downloads: 1 This Week
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  • 9
    fuite

    fuite

    A tool for finding memory leaks in web apps

    ...Custom scenarios can model dialogs, authentication, navigation, or other application-specific interactions. Results can be written to JSON, and optional heap snapshots support deeper analysis in Chrome DevTools. Fuite also exposes a JavaScript API for integrating leak detection into other tooling.
    Downloads: 0 This Week
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  • 10
    Valtio

    Valtio

    Valtio makes proxy-state simple for React and Vanilla

    Valtio is a lightweight, proxy-based state management library for JavaScript and TypeScript, designed to simplify reactive state handling in both React and vanilla environments. It allows you to manage mutable state through normal JavaScript objects, while providing React hooks (useSnapshot) and subscription utilities to create optimized component re-renders and state observation. It uses ECMAScript Proxies and supports deep state tracking, making state mutation intuitive and powerful...
    Downloads: 0 This Week
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  • 11
    Code Review GPT

    Code Review GPT

    Your personal code reviewer powered by LLMs

    Code Review GPT uses Large Language Models to review code in your CI/CD pipeline. It helps streamline the code review process by providing feedback on code that may have issues or areas for improvement. Code Review GPT is in alpha and should be used for fun only. It may provide useful feedback but please check any suggestions thoroughly.
    Downloads: 0 This Week
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  • 12
    Browser Harness

    Browser Harness

    Self-healing browser harness that enables LLMs to complete any task

    Browser Harness is a self-healing browser control system built to give language models direct and flexible access to a real Chrome browser through the Chrome DevTools Protocol. Its main philosophy is minimalism: instead of imposing a rigid framework, it exposes a very thin bridge so the agent can perform browser tasks with almost no abstraction in the way. A defining part of the project is that the agent can write or extend missing helper functions during a task, which is why the repository describes it as self-healing. ...
    Downloads: 0 This Week
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  • 13
    textarea.my

    textarea.my

    A minimalist text editor that lives in URL

    ...It supports markdown-friendly workflows and includes small quality-of-life behaviors like using a top-level markdown title to set the page title for a cleaner browser tab. It also leans into hackable customization by letting you change the look using CSS via DevTools, and those style tweaks can persist with the document. Beyond the URL, it also stores data in localStorage, providing a second layer of persistence for convenience.
    Downloads: 0 This Week
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  • 14
    vee validate

    vee validate

    Painless Vue forms

    VeeValidate is the most popular Vue.js form library. It takes care of value tracking, validation, errors, submissions and more. Offers both declarative components or composable functions API. vee-validate sets up the foundation for you to form in whatever style you prefer. vee-validate can do a lot if you let it. Like tracking values, validation, handling submissions and more. You may opt-in or out to all of these aspects. You are in control of how much form code you write. vee-validate...
    Downloads: 0 This Week
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  • 15
    URQL

    URQL

    The highly customizable and versatile GraphQL client

    The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow. urql is a highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow. It's built to be both easy to use for newcomers to GraphQL, and extensible, to grow to support dynamic single-app applications and highly customized GraphQL infrastructure. In short, urql prioritizes usability and adaptability. As you're adopting...
    Downloads: 0 This Week
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  • 16
    TurboGears

    TurboGears

    Python web framework with full-stack layer

    ...All of these frameworks had limitations that frustrated us, and TG2 was built as an answer to that frustration. TurboGears can scale to a full stack solution for more complex applications using TurboGears devtools. The newly created myproj application can be started with the Gearbox toolchain. A powerful and flexible Object Relational Mapper (ORM) with real multi-database support. Built-in extensibility Pluggable Applications and standard WSGI components. Designer-friendly template system is great for programmers.
    Downloads: 0 This Week
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  • 17
    Solid

    Solid

    A declarative JavaScript library for building user interfaces

    Solid is a declarative JavaScript library for creating user interfaces. Instead of using a Virtual DOM, it compiles its templates to real DOM nodes and updates them with fine-grained reactions. Declare your state and use it throughout your app, and when a piece of state changes, only the code that depends on it will rerun. Check out our intro video or read on! Fine-grained updates to the real DOM. Declarative data: model your state as a system with reactive primitives. Render-once mental...
    Downloads: 0 This Week
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  • 18
    DevTools Detect

    DevTools Detect

    Detect if DevTools is open and its orientation

    DevTools Detect is a browser-focused JavaScript package for estimating whether a browser's developer tools are currently open. It also reports whether detected DevTools are positioned vertically or horizontally. Applications can inspect the current state directly or listen for a custom event when the state changes. The package supports Chrome, Safari, Firefox, and Opera developer tools.
    Downloads: 0 This Week
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  • 19
    Rod

    Rod

    A Devtools driver for web automation and scraping

    Rod is a high-level driver for DevTools Protocol. It's widely used for web automation and scraping. Rod can automate most things in the browser that can be done manually. Chained context design, intuitive to timeout or cancel the long-running task. Auto-wait elements to be ready. Debugging friendly, auto input tracing, remote monitoring headless browser. Thread-safe for all operations.
    Downloads: 0 This Week
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  • 20
    MobiDevTools

    MobiDevTools

    A mobile devtools for debugging web sites and web apps

    This add-on provides an intuitive and visually appealing panel interface embedded directly inside your Firefox browser. Whether you develop for mobile or desktop web, gain instant access to critical page data and performance metrics — all without leaving the browser or resorting to external tools. »`Click the WebExtension's icon in the toolbar or menu to open the overlay.`
    Downloads: 3 This Week
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  • 21
    res-downloader

    res-downloader

    爱享素材下载器

    ...🚀 简单易用:操作简单,界面清晰美观 🖥️ 多平台支持:Windows / macOS / Linux 🌐 多资源类型支持:视频 / 音频 / 图片 / m3u8 / 直播流等 📱 平台兼容广泛:支持微信视频号、小程序、抖音、快手、小红书、酷狗音乐、QQ音乐等 🌍 代理抓包:支持设置代理获取受限网络下的资源 m3u8 视频资源 在线预览:m3u8play 视频下载:m3u8-down 本工具通过代理方式实现网络抓包,并筛选可用资源。与 Fiddler、Charles、浏览器 DevTools 原理类似,但对资源进行了更友好的筛选、展示和处理,大幅度降低了使用门槛,更适合大众用户使用。
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    Downloads: 18 This Week
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  • 22
    Neiki's Charts

    Neiki's Charts

    Lightweight SVG chart Web Component

    ...Tooltips, legends, animations, and grid lines are all controlled through standard HTML attributes. All rendering is pure SVG — no Canvas — making charts scalable, printable, and inspectable in DevTools. Accessibility is built in with proper ARIA roles, keyboard-navigable legends, and full prefers-reduced-motion support.
    Downloads: 0 This Week
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  • 23
    OverVue

    OverVue

    Prototyping Tool For Vue Devs

    ...Envision your project design with accurate component placement and sizing that persists upon project export. Options to add OAuth boilerplate to add additional functionality to the exported prototype project code. The ability to load the application and/or devtools requires a tool/application to run a linux display as WSL does not have any display drivers since it is based off of just a CLI. To add a new component, type its name in the component name box and select any HTML elements that should be rendered by that component.
    Downloads: 0 This Week
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  • 24
    Flutter

    Flutter

    Flutter makes it easy and fast to build beautiful apps for mobile

    Flutter is Google’s open-source UI toolkit for building natively compiled, high-performance, visually expressive apps from a single codebase targeting mobile (iOS, Android), web, desktop (Windows, macOS, Linux), and embedded platforms. We want to enable designers to deliver their full creative vision without being forced to water it down due to limitations of the underlying framework. Flutter's layered architecture gives you control over every pixel on the screen and its powerful compositing...
    Downloads: 14 This Week
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  • 25
    Redux

    Redux

    A Predictable State Container for JavaScript apps

    Redux is a small, unopinionated predictable state container for JavaScript apps. It basically lets you write applications that behave in a consistent manner, can run in various environments (native, client and server) and are easy to test. Redux centralizes your app’s state and logic, thereby enabling some powerful capabilities. With Redux it’s possible to implement logging, hot reloading, universal apps, time travel and more with no buy-in from the developer. Unlike Flux (from which...
    Downloads: 1 This Week
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