What are some alternatives?
When comparing Cyberfox and Iridium, you can also consider the following products
Google Chrome - Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.
Adguard AdBlocker - Adguard AdBlocker browser extension, see review on Medium.
Opera - Opera is a browser with innovative features, speed and security.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
Waterfox - Waterfox is a version of Firefox that has been optimized for 64-bit operating systems.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.