Alternatives to LibreJS for all platforms with any license

NoScript

Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Free Open Source Mac Windows Linux BSD Chrome ... SeaMonkey Firefox
Anonymity Firefox Extensions Add a feature

281 Like
uMatrix

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc. uMatrix: A point-and-click...

Free Open Source Mac Windows Linux Chrome Opera ... Chromium Firefox
Block ads Browser based Google Chrome Extensions Firefox Extensions ... Opera extension Outbound firewall Request filter Security & Privacy Timer for clearing cache Using public domain lists Add a feature

127 Like
Firefox Lightbeam

Lightbeam is a Firefox add-on that uses interactive visualizations to show you the first and third party sites you interact with on the Web. As you browse, Lightbeam...

Free Open Source Mac Windows Linux Firefox
Firefox Extensions Add a feature

19 Like
Flashblock

Flashblock takes a pessimistic approach to dealing with Macromedia Flash content on a webpage and blocks ALL Flash content from loading. It then leaves placeholders on...

Free Mac Windows Linux Firefox
Block ads Firefox Extensions Add a feature

57 Like
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...

Free Open Source Mac Windows Linux Firefox
No features added Add a feature

32 Like
ScriptSafe

A simple extension that brings some of http://alternativeto .

Free Open Source Mac Windows Linux Vivaldi Browser Chrome ... Opera Chromium Firefox
Built-in Script Blocker Add a feature

11 Like
Kill Evil

Kill Evil is a Chrome extension that mercilessly removes or disables the following annoyances on all pages (except those you whitelist): - oncontextmenu (disabled...

Free Open Source Mac Windows Linux Chrome
Work without JavaScript Add a feature

12 Like
Negotiator

Negotiator is a web extension which gives users who are familiar with HTTP requests the tool to simply block and modify them permanently.

Free Open Source Mac Windows Linux Android iPhone ... Chrome OS Android Tablet BSD iPad Chrome Haiku Firefox
No features added Add a feature

2 Like
JS Blocker

JS Blocker is a Safari extension that puts you in control of which scripts—and more—are allowed on any given website—similar to NoScript for Firefox. Frames, objects...

Free Open Source Mac Safari
Block ads Safari extension Add a feature

5 Like
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.

Free Mac Windows Linux Firefox
Firefox Extensions No Tracking Add a feature

1 Like
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...

Free Mac Windows Linux Chrome
Block ads Incognito mode Add a feature

10 Like
QuickJava

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for...
- 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
Free Open Source Windows Linux Firefox
Block ads Firefox Extensions Add a feature

1 Like
Sybu JavaScript Blocker

Blocks specific site scripts.

Free Mac Windows Linux Vivaldi Browser Chrome ... Comodo Dragon Internet Browser
Browser based Add a feature

0 Like