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, Firefox, Mac and Google Chrome. The best alternative is NoScript, which is both free and Open Source. Other great apps like GNU LibreJS are uMatrix, RequestPolicy, ScriptSafe and Better Pop Up Blocker.

GNU LibreJS alternatives are mainly Ad Blockers but may also be Privacy Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of GNU LibreJS.

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GNU LibreJS

Free • Open Source

Mac
Windows
Linux
BSD
GNU IceCat
Firefox

GNU LibreJS is a free add-on for GNU IceCat and other Mozilla-based browsers. It blocks nonfree...

Learn more about GNU LibreJS

NoScript
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No
Free • Open Source
Ad Blocker
Privacy Tool
Mac
Windows
Linux
BSD
Google Chrome
SeaMonkey
Firefox
15 alternatives to NoScript
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).
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NoScript Features
1. Block TrackersNoScript has a feature to block trackers from tracking you.
2. Privacy focusedNoScript is considered a privacy friendly alternative.
3. Ad-freeNoScript doesn't contain any form of external advertising.
4. No TrackingNoScript will not track you or use your personal data.
5. LightweightNoScript consumes less device resources compared to similar apps.
Security focused
Auto-delete files
Survey analysis
uMatrix
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Yes
No
Free • Open Source
Ad Blocker
Google Chrome
Opera
Brave
Firefox
73 alternatives to uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
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uMatrix Features
1. Block TrackersuMatrix has a feature to block trackers from tracking you.
Granular control
Request filter
Browser extension
Using public domain lists
Opera extension
Browser-based
Outbound firewall
Discontinued
The repository has been archived and the development has been stopped. https://github.com/uBlockOrigin/uMatrix-issues/issues/291
RequestPolicy
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Yes
No
Free • Open Source
Mac
Windows
Linux
Firefox
16 alternatives to RequestPolicy
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. It is the first comprehensive client-side protection against CSRF attacks and the...
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RequestPolicy Features
Browser extension
ScriptSafe
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Yes
No
Free • Open Source
Mac
Windows
Linux
Vivaldi Browser
Google Chrome
Opera
Chromium
Firefox
11 alternatives to ScriptSafe
A simple extension that brings some of NoScript 's functionality to Chrome while emphasizing simplicity and intuitiveness (no affiliation to NoScript or NotScripts).
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ScriptSafe Features
Disable JavaScript
Built-in Script Blocker
Better Pop Up Blocker
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Yes
No
Free • Proprietary
Ad Blocker
Mac
Windows
Linux
Google Chrome
62 alternatives to Better Pop Up Blocker
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.
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Better Pop Up Blocker Features
Disable JavaScript
Incognito mode
Negotiator
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Yes
No
Free • Open Source
Mac
Windows
Linux
Android
iPhone
Chrome OS
Android Tablet
BSD
iPad
Google Chrome
Haiku
Firefox
16 alternatives to Negotiator
Negotiator is a web extension which gives users who are familiar with HTTP requests the tool to simply block and modify them permanently.

Negotiator has no features, suggest some!
3P Request Blocker
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No
Free • Proprietary
Mac
Windows
Linux
Firefox
17 alternatives to 3P Request Blocker
Prevent your browser from connecting to 3rd party domain without user consent. Increase your privacy, security, and speed by blocking unnecessary requests.
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3P Request Blocker Features
1. No Tracking3P Request Blocker will not track you or use your personal data.
QuickJava
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No
Free • Open Source
Windows
Linux
Firefox
4 alternatives to QuickJava
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+!).
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QuickJava Features
Disable JavaScript
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
Sybu JavaScript Blocker
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Yes
No
Free • Proprietary
Mac
Windows
Linux
Vivaldi Browser
Google Chrome
Comodo Dragon Internet Browser
11 alternatives to Sybu JavaScript Blocker
Blocks specific site scripts.
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Sybu JavaScript Blocker Features
Browser-based
JShelter
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Yes
No
Free • Open Source
Windows
Linux
Google Chrome
Opera
Firefox
11 alternatives to JShelter
JShelter is a browser extension to give back control over what your browser is doing. A JavaScript-enabled web page can access much of the browser's functionality, with little control over this process available to the user: malicious websites can uniquely identify you...
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JShelter Features
1. Privacy focusedJShelter is considered a privacy friendly alternative.
Browser extension
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