Dash to Panel
This extension moves the dash into the gnome main panel so that the application launchers and system tray are combined into a single panel, similar to Windows. You don't need to install Dash to Dock extention if you install Dash to Panel extention. 
Refresh Wifi Connections
This extension adds a refresh button to the Wi-Fi connection selection dialog to manually request for a network scan. 
Window Is Ready - Notification Remover
Removes window is ready Notification
Auto select headset
Auto selects headsets when possible instead of showing a dialog
Notification Banner Position
Changes position of the notification banner from the default to the right side of the screen.
Notification Timeout
This extension allows configuring the same timeout for all notifications. It also allows ignoring the idle state.
Internet Speed Meter
Display internet speed in top bar in gnome shell
Dash to Dock
In case of Ubuntu, disable the Built-in extention Ubuntu Dock as it doesn't provide much customization.
