Open Source JavaScript Browsers - Page 20
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JavaScript Browsers
View 208 business solutionsBrowse 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.
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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. -
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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. -
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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(). -
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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. -
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React Virtualized
React components for rendering large lists and tabular data
Render Virtualized renders scattered or non-linear data. It can render data in grids, which renders checkerboard data. It also renders tabular data with virtualization along the vertical and horizontal axes, row heights and column widths must be calculated ahead of time and specified as a fixed size or returned by a getter function. Render Virtualized offers a wide variety of formats and customization features. -
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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. -
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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.
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Reddit Saver
Download Reddit images, galleries and videos in one click
Save the pictures, galleries and videos from a Reddit post, a user's posts or a subreddit in one go. Pictures come down at full size and Reddit videos as normal MP4 files with sound, all in a single ZIP file. A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay. The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/reddit-saver/ -
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RefreshGeek
Auto refresh any tab on a timer, with page change alerts
Refresh any tab on a timer, with a countdown on the toolbar icon. Watch the whole page, or one part of it, and get a desktop alert when it changes or when the words you are waiting for appear. A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay. The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/refreshgeek/ -
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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. -
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Retrieve files from a remote computer using a PDA/Pocket PC running Windows Mobile. Can access remote computers regardless the geographical position. Can work under WiFi, GPRS or any other wireless networks.
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RemoveGooglePlusStuff
Hide all Google+ stuff like the Google+ bar and the +You button.
This Chrome/Chromium extension removes Google+ stuff like the Google+ bar in Google home page and the +You button in the same page. -
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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. -
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Responsively App
A modified browser that helps in responsive web development
Want to develop responsive web apps 5x faster? This is the must-have DevTool for you! Responsively App is a modified browser designed to make responsive web development much easier and faster. It gives you an instant preview of all target screens in a single window, and lets you use the dev tools you already know straight from the browser. For Front-End developers, it’s simply a great time-saver! Responsively App’s layout can be customized according to your needs, plus you’ve got nifty features like one-click inspect elements and screenshot, hot reloading and more! Start building better and faster with Responsively App now! -
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Reverse Image Search Anywhere
4-engine reverse image search that works on Instagram & Pinterest
Reverse image search the way it should work: one right-click, every engine, even where the usual trick fails. Most "search by image" tools break on Instagram, Pinterest, and images drawn to a canvas or served as blob:/data: URLs, and make you check each engine one at a time. This extension fixes both. Right-click any image to search Google Lens, Yandex, Bing Visual and TinEye at once, or pick a single engine. You can also paste an image (Ctrl/Cmd+V), drag to capture a region of the page, or crop and run a dedicated "Search this face" flow. Private by default: ordinary searches go straight from your browser to the engine and never touch our servers. Where a site hides the image URL, the extension uploads that one image to mint a temporary link; it auto-deletes within about an hour and is never sold or used for training. No account, no tracking, no telemetry. MIT licensed. Manifest V3, built with WXT and TypeScript. Chrome and Firefox. -
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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.
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RightClickMenu
Right click menu jQuery plugin
Attach a right-click menu to any DOM object using this jQuery plugin. -
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Rikaisama (Legacy)
Modification of Rikaichan with more features and customization options
*** THIS ADD-ON IS NO LONGER SUPPORTED AND WILL NOT WORK WITH FIREFOX 57+ (however, it still works in Waterfox using a non-e10s window: "File > New Non-e10s Window") *** Rikaisama is a modification of the rikaichan Japanese-English popup dictionary that adds many features and customization options such as audio pronunciation, EPWING dictionary support, sanseido web dictionary support, word frequency, pitch accent, enhanced clipboard & save options, ability to create and add cards directly to an open Anki deck, "Super Sticky" mode, ability to remap shortcut keys, more fine-tuned startup options, and more. See http://rikaisama.sourceforge.net/ for more information. Supports Windows, Ubuntu, and newer versions of OSX. -
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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 -
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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.
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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
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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. -
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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.
