An add-on that allows colouring Firefox in a Vivaldi style fashion.
Adds a button that allows to go to home page (domain root) of any currently opened website and much more.
Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.
Get rid of a site's cookies as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Start the web with 12Startpage.com
Quick Dial, a dial page inspired from fast dial. No webservice and no sync account. Your data is your own.
Save and restore the state of windows and tabs. It also supports automatic saving.