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    GNU LibreJS Alternatives

    GNU LibreJS is described as 'free add-on for GNU IceCat and other Mozilla-based browsers. It blocks nonfree nontrivial JavaScript while allowing JavaScript that is free and/or trivial' and is an app in the web browsers category. There are more than 10 alternatives to GNU LibreJS for a variety of platforms, including Windows, Linux, Mac, Firefox and Google Chrome. The best alternative is uMatrix, which is both free and Open Source. Other great apps like GNU LibreJS are NoScript, RequestPolicy, ScriptSafe and 3P Request Blocker.

    This page was last updated May 23, 2022
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • GNU IceCat
    • Firefox
    More
    GNU LibreJS is a free add-on for GNU IceCat and other...
    Learn more about GNU LibreJS

    1. Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

      Discontinued

      The repository has been archived and the development has been stopped. https://github.com/uBlockOrigin/uMatrix-issues/issues/291

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      • Google Chrome
      • SeaMonkey
      • Firefox
      More
      The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank).


      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Firefox
      More
      RequestPolicy is an extension for Mozilla browsers that improves the privacy and security of your browsing by giving you control over when cross-site requests are allowed by webpages you visit.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Vivaldi Browser
      • Google Chrome
      • Opera
      • Chromium
      • Firefox
      More
      A simple extension that brings some of NoScript 's functionality to Chrome while emphasizing simplicity and intuitiveness (no affiliation to NoScript or NotScripts).
    2. Prevent your browser from connecting to 3rd party domain without user consent. Increase your privacy, security, and speed by blocking unnecessary requests.


    3. Better Pop Up Blocker improves the default pop up blockers for Google Chrome and Apple Safari by blocking pop up windows opened by javascript, & other annoyances like alert, prompt, and confirm boxes.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • Chrome OS
      • Android Tablet
      • BSD
      • iPad
      • Google Chrome
      • Haiku
      • Firefox
      More
      Negotiator is a web extension which gives users who are familiar with HTTP requests the tool to simply block and modify them permanently.
      • FreeOpen Source
      • Windows
      • Linux
      • Firefox
      More
      Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!).

      Discontinued

      NOTE: QuickJava will become obsolete with the release of FF version 57 and above and will no longer be updated. Please see this thread for additional information.

      • On official site
      • FreeProprietary
      • Mac
      • Windows
      • Linux
      • Vivaldi Browser
      • Google Chrome
      • Comodo Dragon Internet Browser
      More
      Blocks specific site scripts.
      • FreeOpen Source
      • Windows
      • Linux
      • Google Chrome
      • Opera
      • Firefox
      More
      JShelter is a browser extension to give back control over what your browser is doing.
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    Showing 10 of 11 alternatives