I recently came across a fantastic alternative to the alt+tab command on Linux, it’s called Superswitcher.
Nice features on it
Press the command touch (Windows touch on the keyboard) to display Superswitcher.
To switch from a desktop to another press Command + arrow left or right
To switch from available windows in a desktop press Command + arrow up or down
To move a window into another desktop press Command + shift + arrow left or right
To search within all windows name Command + [any text]
I’ve just recorded a quick screencast to show all these functionalities
For me it’s now a must have on every computer I use, because it make organizing my desktops really easily.