Your avatar is managed through Gravatar
Makes all the windows in the overview the same height and orders them by last recent used.
Global menu for Gnome
3 fingers window switcher. To make it work on Xorg check the service on github.
A bigger and more colourfull AppSwitcher
Unmaximize the current window on double click on the top panel. You can also maximize horizontally and vertically with middle and right click.