Browse free open source JavaScript Browsers and projects below. Use the toggles on the left to filter open source JavaScript Browsers by OS, license, language, programming language, and project status.

  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Try Free
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 1
    RESTBolt

    RESTBolt

    Browser WebExtension to work on http(s) requests

    ## Inspired by POSTMAN browser extension Add-on is based on [RESTMan](https://github.com/jsargiot/restman) Opera extension --- #### Note - Use a simple HTTP Request & Response Service to test WebExtension
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    RJAX (Reverse aJAX) lets the web server push data to the browser. RJAX maintains an open connection between the browser and the server using an applet in the client page. The server can execute javascript commands directly on the client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    RSSHub Radar

    RSSHub Radar

    Browser extension that simplifies finding and subscribing RSS and RSSH

    RSSHub Radar is a derivative project of RSSHub , which is a browser extension that can help you quickly discover and subscribe to the current websites RSS and RSSHub. Supports one-click RSS subscription to Tiny Tiny RSS, Miniflux, FreshRSS, Nextcloud News, Feedly, Inoreader, Feedbin, The Old Reader, Feeds.Pub, BazQux Reader, Local Reader.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    React Hot Loader

    React Hot Loader

    Tweak React components in real time

    React Hot Loader is a plugin that allows React components to be live reloaded without the loss of state. It works with Webpack and other bundlers that support both Hot Module Replacement (HMR) and Babel plugins. HMR allows us to replace modules in-place without restarting the server. Here’s how you can enable it for different bundlers. The easiest and fastest option to use React Hot Loader with Webpack is to use webpack-dev-server with --hot CLI option. If you’re only rendering on the client side but you have to use some custom node server, this is still an easy option. You can simply copy server.js from the official boilerplate into your project. The important part of the configuration is that when you create a new WebpackDevServer, you need to specify hot: true as an option.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    React Performance Devtool

    React Performance Devtool

    A browser developer tool extension to inspect performance

    React Performance Devtool is a browser extension for inspecting the performance of React Components. It statistically examines the performance of React components based on the measures which are collected by React using window.performance API. Along with the browser extension, the measures can also be inspected in a console. A demo of the extension being used to examine the performance of React components on my website. Performance measures can also be logged to a console. With every re-render, measures are updated and logged to the console. To use this devtool extension, you'll need to register an observer in your app which will observe a collection of data (performance measures) over time. Registering an observer hooks an object containing information about the events and performance measures of React components to the window object, which can then be accessed inside the inspected window using eval().
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    React Refresh Webpack Plugin

    React Refresh Webpack Plugin

    A Webpack plugin to enable "Fast Refresh"

    An EXPERIMENTAL Webpack plugin to enable "Fast Refresh" (also known as Hot Reloading) for React components. This plugin is not 100% stable. We're hoping to land a v1 release soon, please help us by reporting any issues you've encountered! Ensure that you are using at least the minimum supported versions of this plugin's peer dependencies - older versions, unfortunately, do not contain code to orchestrate "Fast Refresh", and thus cannot be made compatible. For most setups, we recommend integrating using babel-loader. It covers the most use cases and is officially supported by the React team. If you haven't done so, set up your development Webpack configuration for Hot Module Replacement (HMR). This plugin integrates with the most common Webpack HMR solutions to surface errors during development, in the form of an error overlay.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Reactive Extensions for JavaScript

    Reactive Extensions for JavaScript

    An API for asynchronous programming with observable streams

    An API for asynchronous programming with observable streams. The Observer pattern done right. ReactiveX is a combination of the best ideas from. The Observer pattern, the Iterator pattern, and functional programming. ReactiveX is everywhere, and it's meant for everything. Available for idiomatic Java, Scala, C#, C++, Clojure, JavaScript, Python, Groovy, JRuby, and others. Embrace ReactiveX's asynchronicity, enabling concurrency and implementation independence. Manipulate UI events and API responses, on the Web with RxJS, or on mobile with Rx.NET and RxJava. Avoid intricate stateful programs, using clean input/output functions over observable streams. ReactiveX's operators often reduce what was once an elaborate challenge into a few lines of code. Traditional try/catch is powerless for errors in asynchronous computations, but ReactiveX is equipped with proper mechanisms for handling errors.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    The Recognizer is a web browser addon that detects and flags plagarized comments on Internet sites and highlights it as such for the user, including a link to the search that triggered the warning.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Relative XPath Assistant

    Relative XPath Assistant

    Just right click on the html elements to compare them

    This WebExtension will give you the relative XPath expression of two web elements Release 1.4.2 (04/08/2022) - Adding control key functionality Add-on is based on relative-xpath-helper open-source project on github [https://github.com/syamsasi99/relative-xpath-helper] ### Details - Compared to the original version, some incompatibilities of the scripts with the Firefox browser have been improved and fixed - No data is sent to any server and not get from any server ### Limitations - WebExtension only works on sites that allow content scripts. - Add-on does not search through view-source code of webpage.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
    Try Free
  • 10

    ReorJS

    Distributed Computing with JavaScript

    Create your own distributed computer that can distributed javascript based applications to any computer with a web browser, headless browser or node.js installation. For more information and updates please see our website - http://reorjs.com.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    The project is a port of the Mozilla Rhino JavaScript Interpreter (http://www.mozilla.org/rhino/) from Java/SE to J2ME/CLDC. The J2ME/CLDC port opens up the mobile world for scripting Java, as it is a widely used platform for mobile phone programming.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Robot Helper

    Robot Helper

    A browser WebExtension (beta) that generates test scripts

    # For automating test automation > A browser extension (beta) that generates test scripts ### Limitations - WebExtension only works on sites that allow content scripts. Add-on is based on - Robotcorder (https://github.com/sohwendy/Robotcorder) Additional features * Save test script * Syntax highlighting * Find script and jump to line * Added options to set the add-on Generate your RobotFramework Test Script via
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    The Rooster Teeth Site Extender is a Firefox Extension for the RT family of web sites. It provides additional functionality such as an advanced editor for posting, auto sign-in, and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Instant Image Rotation can now be done on Firefox. RotateFox library is a pure Javascript library that implements all necessary Linear Algebra functions that are required for image rotation. RotateFox has done all mathematical jobs, no math knowledge is
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A Firefox based browser plugin to add SAREST annotations. See http://www.w3.org/Submission/SA-REST/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Online booking system for trainings.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    SMART markItUp

    SMART markItUp

    completa el editor de posts y temas en Taringa! (Release 10/01/2019)

    Agrega los menus y opciones faltantes al editor de posts/temas en Taringa!. NOTA: La extension no es "perfectamente" funcional, se recomienda editar un post (o tema) en la vista avanzada y nunca simple.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    SPX

    SPX

    A simple & straight-to-the-point PHP profiling extension

    SPX, which stands for Simple Profiling eXtension, is just another profiling extension for PHP. It differentiates itself from other similar extensions as being totally free and confined to your infrastructure (i.e. no data leaks to a SaaS). Very simple to use: just set an environment variable (command line) or switch on a radio button (web request) to profile your script. Thus, you are free of manually instrumenting your code (Ctrl-C a long running command line script is even supported). Using a dedicated browser extension or command line launcher. Multi metrics capable: 22 are currently supported (various time & memory metrics, included files, objects in use, I/O...). Able to collect data without losing context. For example Xhprof (and potentially its forks) aggregates data per caller / callee pairs, which implies the loss of the full call stack and forbids timeline or Flamegraph based analysis.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    SQLite Editor & Compiler

    SQLite Editor & Compiler

    SQLite Editor and Compiler for PC, macOS and Linux

    A valuable SQLite editor for your PC, Mac OS and Linux with a useful button to compile the code sql for immediate preview of tables, columns and values. == OS requirements to this installation == - macOS 10.9 and later are supported, older operating systems are not supported (and do not work). - Windows 7 and later are supported, older operating systems are not supported (and do not work). Both x86 and amd64 (x64) binaries are provided for Windows. Please note, the ARM version of Windows is not supported for now. - Ubuntu 12.04 and later and again Fedora 21 and Debian 8 are supported Both ia32 and x64 binaries are provided for Linux ==================== Get your Android App - https://play.google.com/store/apps/details?id=com.ulm.sqleditordroid ==================== == Browser Extensions == Chrome extension: http://bit.ly/1O4g1u0 == Windows app: http://amzn.to/2uor6ao ==
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20

    SVG editor for ownCloud

    Create and edit SVG graphics directly in ownCloud. Based on svg-edit.

    This project provides an ownCloud-app (http://apps.owncloud.com) for editing and creating SVG vector graphics in your browser. It's based on the awesome "svg-edit"-project (http://code.google.com/p/svg-edit/). Features like collaborative editing may be implemented later.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    A PHP-wrapper/"browser" for SVT TextTV with more advanced functions than the official page.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    SWFAddress is a small, but powerful library that provides deep linking for Flash and Ajax. It's a developer tool, allowing creation of unique virtual URLs that can point to a website section or an application state.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Sagleft's Elemental Browser

    Sagleft's Elemental Browser

    Compact, convenient internet browser.

    Convenient, fast and compact browser. Original design and speed. Relevant for owners of laptops and netbooks, as it is very compact and mobile viewer for internet sites.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Saka Key

    Saka Key

    A keyboard interface to the web

    Saka Key lets you control your browser with keyboard shortcuts. It is easy to use, highly configurable and will transform how you surf the web. Put away your mouse. When the web isn't accessible, it's because people who author content don't understand the benefit of making it accessible. Saka Key leverages accessibility information to make the browsing experience better for everyone. I hope this will encourage the creation of accessible content. Keyboard shortcuts are only the beginning of this journey. Screen reading and voice commands are on the roadmap. Map keyboard keys to browser tasks like scrolling, clicking links, switching, moving, closing, muting, and refreshing tabs, zooming, and navigating pages. Keyboard shortcuts are flexible, powerful, and easy to customize. Saka Key lets you easily switch between shortcut profiles (e.g. left hand, right hand, default, Vimium), and lets you import and export your settings.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Sarissa is a cross-browser ECMAScript lib that helps with browser incompatibilities in XMLHttpRequest/XML/XSLT/XPath along with some bonus utility methods. People call some of this Ajax nowdays, but the term was not available back in early 2003 ;-)
    Downloads: 0 This Week
    Last Update:
    See Project
Monday.com Logo