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.
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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  • 1
    ToMaBoM

    ToMaBoM

    Topic Map Bookmark Manager - Firefox Extension

    Firefox Extension for managing and organizing bookmarks with the Topic Maps concept
    Downloads: 0 This Week
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  • 2
    Toggl Track

    Toggl Track

    Toggl Track browser extension for Chrome and Firefox

    Track time in Toggl Track without leaving your browser and the online apps you usually spend time on. Available for Chrome and Firefox. Our browser extension (previously called Toggl Button) for Chrome and Firefox lets you track time in your favorite web tools and wherever you are on the web. The Toggl Track browser extension integrates with 100+ popular tools. Toggl Track browser extension was previously called Toggl Button. Beyond the name and colors, no other changes have been made. Microsoft Edge has support for Chromium extensions, so you can use the Toggl Track browser extension on Microsoft Edge by downloading it from the Chrome Store. Once you install the add-on, a Toggl Track icon will be added to the right of the address bar. Click on the Toggl Track browser extension to reveal the timer’s dropdown. Here you can check your current time entry, change settings, sync, log out or stop your timer.
    Downloads: 0 This Week
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  • 3
    Too Tabs Manager

    Too Tabs Manager

    Too Tabs Manager allows you to group and shelve your non used tabs

    Are you used to browse internet using dozens of tabs at the same time? Are there some tabs that you don't need at this moment but you need to keep them for later? Can't you see the icons of your tabs because your window is too crowded of tabs? Here is the solution! Shelve your unused tabs for another moment and focus only in the ones you are using is easy with Too Tabs Manager. Create folders to shelve your tabs. Dump all your current tabs in (or choose some of them) and start browsing again in an empty environment. Restoring your whole folder of shelved tabs is as easier as 1-click. A simple click allows you to recover all your previous tabs again (or choose some of them). Try it, it's free.
    Downloads: 0 This Week
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  • 4
    Toolkit for YNAB

    Toolkit for YNAB

    A general purpose YNAB enhancing browser extension for Chrome

    Toolkit for YNAB is a browser extension that enhances your experience with the YNAB Web Application. YNAB have released an exciting new web version. Lots of power users of the older versions are asking for options that are easily implemented in a browser extension. Rather than ask the YNAB team to implement these features, let's just do it ourselves! The Toolkit is available for Chrome and Firefox. The extension is built using Browser (Web) Extension APIs which means support for Edge should be imminent as well. Since the extension is built with Web Extensions and that is not supported by Safari, the extension itself is not supported on Safari. When/if Safari decides to support Web Extensions we will do what we can to provide support for their browser. We've decided that it's better to use the latest and greatest than to wait for browsers to support all the nice newer syntax landing in Javascript.
    Downloads: 0 This Week
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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • 5
    TopoJSON

    TopoJSON

    An extension of GeoJSON that encodes topology

    TopoJSON eliminates redundancy, allowing related geometries to be stored efficiently in the same file. For example, the shared boundary between California and Nevada is represented only once, rather than being duplicated for both states. A single TopoJSON file can contain multiple feature collections without duplication, such as states and counties. Or, a TopoJSON file can efficiently represent both polygons (for fill) and boundaries (for stroke) as two feature collections that share the same arc mesh. See How To Infer Topology for a visual explanation of how TopoJSON works. See Command-Line Cartography for an introduction to TopoJSON and related tools. See TopoJSON Format Specification for the format specification. To further reduce file size, TopoJSON can use quantized delta-encoding for integer coordinates. This is similar to rounding coordinate values (e.g., LilJSON), but with greater efficiency and control over loss of information.
    Downloads: 0 This Week
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  • 6
    Torrent Finder Toolbar
    A Torrent search Toolbar for Firefox, which enables users to search over 170 top torrent sites and trackers as in http://torrent-finder.info/ form. It allows users to search a single site, search all sites on one page, or open the sites in Firefox ta
    Downloads: 0 This Week
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  • 7
    TorrentFox is an powerful, lightweight, cross-platform bittorrent client developed as a Firefox extension.
    Downloads: 0 This Week
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  • 8
    Tracefrog is a program that gives you the real time web page's update. You can track the web pages you interested for any web sites with any part. (no matter it provides RSS or not).
    Downloads: 0 This Week
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  • 9
    Javascript library to emulate modal dialogs. Currently in alpha testing version 0.0.4
    Downloads: 0 This Week
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  • Endpoint Management with Remote Control Built In Icon
    Endpoint Management with Remote Control Built In

    Patch, monitor, and connect to Windows and macOS devices from one console

    Splashtop AEM handles patching, alerts, scripts, and inventory, and unattended remote control is included. When something needs hands-on work, you’re one click away instead of switching tools.
    Start Free Trial
  • 10
    Firefox Extension for the MMOG Travian to show additional informations and easyer navigation.
    5.0 out of 5 stars 2 Reviews
    Downloads: 0 This Week
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  • 11
    Tree Style Tab

    Tree Style Tab

    Tree Style Tab, Show tabs like a tree.

    This extension to Firefox provides the ability to work with tabs as "trees". New tabs opened from the current tab are automatically organized as "children" of the current tab. Such "branches" are easily folded (collapsed) by clicking on the arrow shown in the "parent" tab, so you no longer need to suffer from too many visible tabs. If you want, you can restructure the tree via drag and drop. Such a tree of tabs will behave like a visual browsing history for you. For example, if you see a list of search results for a topic, each search result link will open in new child tab. New tabs opened from these "child" tabs will appear as descendants of their originating tabs. You'll easily dig and dig deeply, without losing your browsing trail - if you want to go back to the original search result, you just have to switch to the "root" tab. Moreover, each tree will reflect a group of tabs on a similar topic.
    Downloads: 0 This Week
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  • 12
    By leveraging typeface.js, jQuery, the canvas, toDataURL, CSS background properties and real overlayed text, Type Select is able to combine custom fonts with your browser's native text selection funcationality. You can now interact with beautifully rend
    Downloads: 0 This Week
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  • 13
    Plugins for Firefox and Google Chrome that automates usage of „Typograf“ service hosted at http://www.artlebedev.ru/tools/typograf/. Plugin takes text from any text area in Firefox and processes it according to typographic rules (e.g. inserts typ
    Downloads: 0 This Week
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  • 14
    The UGO Initiative - Think tank to develop open source frameworks and development tools for the latest web standards generation
    Downloads: 0 This Week
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  • 15
    URL Slicer

    URL Slicer

    Opera extension

    Opera extension for slicing the current URL in linkified segments.
    Downloads: 0 This Week
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  • 16
    UltimateFox

    UltimateFox

    Custom browser Based on Mozilla source code

    Now known as UltimateFox Compiled for SSE2 Based on Mozilla source code ENHANCEMENTS: Useful for processors with 4+ cores or threads Better use of internet bandwidth Image and DNS cache enhanced Better browsing on image galleries or sites with lots of images Web cache can be set up to 2GB Custom Installer included Based on Mozilla Source 37.0.1 Using Windows SDK 8.1 (VS2013) Go blog to see change-log. Current version 1.00.10 Full Windows XP/Server 2003 compatibility 32 and 64 bit versions. You can help this project I'm accepting donations email me a jadjkorn64 at gmail dot com Thanks for using my version. Special thanks to pcxFirefox, tete009 and lawliettfox developers TODO: new icons, logos, imagery and installer and more. NOTE: new installers will be available as soon as possible. Like Ultimate Fox? Get the most of your internet with FoxSpeed Ultimate! Free internet accelerator for Windows https://sourceforge.net/projects/foxspeed
    4.7 out of 5 stars 3 Reviews
    Downloads: 0 This Week
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  • 17
    Update Scanner

    Update Scanner

    A Firefox extension to monitor web pages for updates.

    This project has moved to: https://addons.mozilla.org/firefox/addon/update-scanner/
    5.0 out of 5 stars 3 Reviews
    Downloads: 0 This Week
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  • 18
    Utopia Metatron is a Firefox only Extension for the web based game Utopia. This extension directly modifies the content of Utopia's pages to provide additional information, game navigation and feedback to the player.
    Downloads: 0 This Week
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  • 19
    Browsers support rendering shapes within your web pages. This library provides a JavaScript cross-browser API for drawing and editing shapes using VML, SVG, and canvas.
    Downloads: 0 This Week
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  • 20
    The Presentation framework for Web applications. On the basis of: HTML, JavaScript, DHTML. Configure your user interface with Tag libraries (for J2EE systems) or XSL templates (for any other WEB systems using XML/XSL).
    Downloads: 0 This Week
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  • 21
    Si vives o trabajas en Bs. As. (Cap. Fed.) Argentina, este Sistema Web puede serte muy útil para ti, para saber como se encuentran los principales medios de transporte y vías de acceso a la Ciudad. Es un HTML standard con un pequeño Proxy Web en .NET
    Downloads: 0 This Week
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  • 22
    Vimperator-labs
    Writing efficient user interfaces is the main maxim, here at Vimperator labs. We often follow the Vim way of doing things, but extend its principles when necessary. Towards this end, we’ve created the liberator library for Mozilla-based applications, to encapsulate as many of these general principles as possible, and liberate developers from the tedium of reinventing the wheel.´Vimperator is a Firefox browser extension with strong inspiration from the Vim text editor, with a mind towards faster and more efficient browsing. It has similar key bindings and you could call it a modal web browser, as key bindings differ according to which mode you are in. For example, it has a special Hint mode, where you can follow links easily with the keyboard only. Also most functionality is available as commands, typing:back will go back within the current page history, just like hitting the back button in the toolbar.
    Downloads: 0 This Week
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  • 23
    Visibility.js

    Visibility.js

    Wrapper for the Page Visibility API

    Visibility.js is a small JavaScript library that wraps the native Page Visibility API to give developers an easy interface for detecting when a user’s browser tab becomes visible, hidden, or is in prerendering mode. Its main purpose is to let web applications adapt behavior depending on whether the page is actually being viewed — for example, pausing animations, postponing heavy computations, or stopping unnecessary network requests when the user switches to another tab. The library hides browser vendor-prefixes and normalizes visibility events so you don’t have to manage cross-browser quirks yourself. On top of simple visibility detection, Visibility.js adds useful helpers such as a timer function that only runs when the page is visible. As a result, developers can write resource-conscious web apps that reduce CPU/bandwidth usage when the user isn’t actively viewing the page.
    Downloads: 0 This Week
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  • 24
    VisuBrowser

    VisuBrowser

    Simple full screen browser to display a webpage

    The programmes intention is to provide a full screen web browser to show a (e.g.) home automation visualisation. Therefore, the browser provides some features to support this purpose, e.g. - Go back to start page after resuming from suspend - Go back to start after a certain time of inactivity - Indication of page loading status - Interpreting Gira HomeServer status (e.g. timeout, user kidnapped) Config–Page is accessed by swiping the webpage to the left.
    Downloads: 0 This Week
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  • 25
    VolumeGeek

    VolumeGeek

    Boost any tab up to 600%, with a limiter and equaliser

    Turn up the sound of any tab past 100%, all the way to 600%, or turn it down, mute it, and shape it with a simple bass, mid and treble equaliser. A limiter keeps loud parts from crackling. 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/volumegeek/
    Downloads: 0 This Week
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