Show tabs like a tree.
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
Move your tabs to the side of your browser window.
Speed Dial / visual bookmarks with groups for power users. Now you can fit all your favorite sites into one fast SpeedDial in an organized fashion. Dials are synchronized through Cloud to all your devices! For free! No Ads! www.FastAddons.com
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Release builds Beta builds
Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Tab browsing with an added boost.
Open tabs, websites, and links in automatically managed disposable containers. Containers isolate the data websites store (cookies, cache, and more) from each other, enhancing your privacy while you browse.
Save current tab/page as PDF-file.
Works on Mobile as well. An addon to invert the color of any webpage, making contents of any website readable and less stressful on your eyes. After installing addon, just click toggle button on toolbar to switch on/off night mode.