Move your tabs to the side of your browser window.
Easily mute all tabs with just one click!
An add-on that allows colouring Firefox in a Vivaldi style fashion.
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
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
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.
Simply adds "Duplicate Tab" to tab context menu.
Use native tab discard method to automatically reduce memory usage of inactive tabs
Re-impliments the google image, "View Image" and "Search by Image" buttons.
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, or redlist.
Open tabs, websites, and links in automatically managed disposable containers. Containers isolate the data websites store (cookies, storage, and more) from each other, enhancing your privacy and security while you browse.