GNU IceCat
Free and extensible Web browser based on FirefoxGNU IceCat is a Web browser derived from Firefox with a focus on user freedom. The most notable changes center around the removal of anti-features such as advertising and DRM, protection against browser fingerprinting, and the inclusion of the LibreJS browser extension, which blocks non-free JavaScript on websites.
Each version of GNU IceCat is built from the latest long-term support (LTS) version of Firefox, in contrast to LibreWolf, which tracks the very latest version instead. As such, GNU IceCat is relatively stable, only receiving new features from Firefox after a new LTS version comes out, while LibreWolf always has the latest features.
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Free Software: Free (as in freedom, not price) software puts the user in control by allowing you to use the software for any purpose, modify it, and redistribute it. This also implies that you can examine the source code and see what it does and how it works. This represents a baseline requirement for recommendation in this guide.
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Supports Interoperability: Interoperability increases freedom and usefulness by allowing different systems to work together. When a service is hostile to other services interoperating, particularly a communication service, this places users in a walled garden, which limits choice and can make it difficult to switch to or from an alternative.
Recommended Extensions
Browser extensions (also known as browser add-ons) are small programs that extend the functionality of your Web browser, including enhanced privacy features.