LibreJS - GNU Project - Free Software Foundation

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2024-05-13 05:30:05

The LibreJS project is seeking more JavaScript programmers to help maintain this browser extension. If you want to help, send an email to <>.

GNU LibreJS aims to address the JavaScript problem described in Richard Stallman's article The JavaScript Trap. LibreJS is a 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.

LibreJS is also available at the Mozilla Add-ons site. Due to Mozilla's review process, the version of LibreJS available at the Add-ons site is often outdated. This isn't in our control.

As with all Mozilla add-ons, disabling or removing LibreJS can be done without restarting the browser, via the Tools/Add-ons menu. This is even simpler in IceCat: the front page has a switch to enable and disable LibreJS.

They can be found on the main GNU download server (HTTPS,  HTTP,  FTP), and its mirrors. The automatic mirror selector will choose one for you.

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