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.

  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
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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
    Orseis browser extensions
    Browser extensions / addons for using the Orseis on-line services. Respects the user's privacy. For now, browser targets are Firefox (one XUL-based extension and one Jetpack-based extension) and Google Chrome.
    Downloads: 0 This Week
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  • 2
    Oryanoo@Webmail is a Webmail Program. It is written in PHP and provides a professionnal webmail access to IMAP and POP3 accounts. Oryanoo@Webmail provide the traditionals webmail services with a web-interface look than a Mozilla-Thunderbird.
    Downloads: 0 This Week
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  • 3
    Outline Sidebar

    Outline Sidebar

    Creates table of contents in the sidebar

    Outline is a Firefox WebExtension that outlines the page. To install add-on follow this link - https://mzl.la/2RSwScT Also is available as Cloudflare App - https://www.cloudflare.com/apps/outline-tool It generates a table of contents by extracting all the headings in the page. Automatically creates table of contents in the sidebar that can be clicked through, for easy document navigation. How to use ---- 1. Click the Outline button beside your address bar to activate it. You will see a box coming from left with the outline in it. 2. Click on any of the headings in the outline to jump to the corresponding section on the page. 3. Click the cross button on the bottom left to close the outline. ### Limitations - WebExtension only works on sites that allow content scripts.
    Downloads: 0 This Week
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  • 4
    This code user selected windt and height value , auto changin and show web browser. Older browsers do not support image resizing after rendering. The resizing works in any case in Opera 7+, IE 6, Mozilla and Firefox.
    Downloads: 0 This Week
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  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

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  • 5
    PCi Chrome Extension
    Chrome Extension dedicated to PC INpact website (http://www.pcinpact.com)
    Downloads: 0 This Week
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  • 6
    JavaScript Solitaire Encryption using XML
    Downloads: 0 This Week
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  • 7
    Extensive logging of your visitor browser capablities. Using client side javascript and php.
    Downloads: 0 This Week
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  • 8

    PUBG Multiview Chrome Extension

    PUBG Multiview Chrome Extension

    PUBG Multiview Chrome Extension ( Beta Testing )
    Downloads: 0 This Week
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  • 9
    PageZoom is an extension for Mozilla Firefox that gives you a handy page zoom functionality.
    Downloads: 0 This Week
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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  • 10
    Palesomething

    Palesomething

    All your branding are belong to Palesomething.

    This extension will give Pale Moon an identity crisis by generating a new randomized browser name every time you open a new window. Confuse your friends and family with names like "Intel Firebadger" and "Xerox Poweroyster". It's as fun as you want it to be!
    Downloads: 0 This Week
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  • 11

    PassJS

    Giving a Cross-Browser JavaScript

    This library tries to hide differences between JavaScript implementations across browsers. This library is Licenced under the GNU GPLv3 Licence.
    Downloads: 0 This Week
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  • 12
    Performance Timing Test

    Performance Timing Test

    Get accurate performance timing for any page with this add-on Firefox

    Measures the timing performance of any web page using Web APIs. You can immediately save the chart test result within your file system for a comparison with other subsequent tests. Get Opera extension: http://bit.ly/1O9OvRx Get Firefox extension: http://mzl.la/1Vs0UV2 == Installation == 1. Click on download directly from your Firefox browser and install add-on 2. Then click on the icon of the extension included in toolbar to start test
    Downloads: 0 This Week
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  • 13
    This is an effort to Localize Mozilla for the persian/iranian community out there.
    Downloads: 0 This Week
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  • 14
    PeteHistory is a Firefox toolbar that automatically shows shortcuts to the sites you frequently visit, by analyzing your history.
    Downloads: 0 This Week
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  • 15
    PlayPage is an extension for Firefox browser that let you play all videos linked in a web page. It supports frames, iframes and, soon, tabbed pages. It permits to specify the player to be used and the customization of player params and play list format.
    Downloads: 0 This Week
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  • 16
    Playwright Skill for Claude Code

    Playwright Skill for Claude Code

    Claude Code Skill for browser automation with Playwright

    Playwright Skill is an open-source plugin designed for Claude Code that enables dynamic browser automation using Playwright through natural language instructions. The tool allows an AI agent to generate, execute, and manage browser automation scripts on demand, rather than relying on predefined workflows or static test scripts. It is structured as a modular skill within the Claude ecosystem, meaning it can be installed as a plugin and invoked automatically when browser automation tasks are required. The system supports a wide range of use cases, including testing web applications, validating user interfaces, automating workflows, and extracting data from websites. One of its key advantages is its ability to generate custom Playwright code tailored to each request, allowing flexible and context-aware automation.
    Downloads: 0 This Week
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  • 17
    Playwright for Go

    Playwright for Go

    Playwright for Go a browser automation library to control Chromium

    Playwright is a Node.js library to automate Chromium, Firefox, and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Headless execution is supported for all browsers on all platforms. Playwright is built to automate the broad and growing set of web browser capabilities used by Single Page Apps and Progressive Web Apps. Scenarios that span multiple page, domains and iframes. Auto-wait for elements to be ready before executing actions (like click, fill). Intercept network activity for stubbing and mocking network requests. Emulate mobile devices, geolocation, permissions. Support for web components via shadow-piercing selectors. Native input events for mouse and keyboard. Upload and download files. The bridge between Node.js and the other languages is basically a Node.js runtime combined with Playwright which gets shipped for each of these languages (around 50MB).
    Downloads: 0 This Week
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  • 18
    Pooji is a PHP Object-Oriented Javascript Interface, that build upon Prototype to provide full OO access to Javascript DOM inside PHP environment.
    Downloads: 0 This Week
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  • 19
    Popup windows are browser windows opened from a web page and used most of times for displaying advertisements. It was written with javascript.
    Downloads: 0 This Week
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  • 20
    Pracownia Informatyczna nr 13 to gra tworzona na platformie DarkBasic. Aktualny build to 0.01 - do pobrania w dziale download. Gra rozwijana bedzie dalej na lekcjach informatyki.
    Downloads: 0 This Week
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  • 21
    Privacy Cleaner

    Privacy Cleaner

    Quickly clear your cache with this browser extension

    You can customize what and how much of your data you want to clear on the options page, including:
    Downloads: 0 This Week
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  • 22
    PrototypePlus is an extension to Prototype Javascript library, which supports subscribe/publish and custom event, AOP, cool widgets and some utils. Visit our website (http://prototypeplus.sourceforge.net/) for the detail.
    Downloads: 0 This Week
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  • 23
    The PyJTF supports the test-driven development of Javascript code using tests written in Python. It executes the code under test in the IE environment under Windows (Win32). Allows greater productivity in testing Javascript code.
    Downloads: 0 This Week
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  • 24
    qtl is a FireFox extension for inline translating text.
    Downloads: 0 This Week
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  • 25

    RDFa Developer

    RDFa Developer project has been moved to BitBucket

    Firefox add-on that displays and checks RDFa. RDFa Developer project has been moved to BitBucket https://bitbucket.org/fundacionctic/rdfadev
    Downloads: 0 This Week
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