UI Tweaker (Formerly Toolbar Cleanup)
UI Tweaker is a Firefox extension that enables users to modify various components of the web browser's user interface. It was previously known as Toolbar Cleanup.
Kurt Schultz
Show Go
The "Show Go Button" Firefox add-on ensures the Go button is continuously displayed in the location bar, enhancing user navigation experience.
Undo Closed Tabs Button
This Firefox add-on lets you restore closed tabs with ease. Just click on the icon and select the tab you want to reopen. Never lose a tab again with Undo Closed Tabs Button.