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Stacked and tabbed windows in window managers, explained

Two ways to put several windows in one slot: stacked one above another, or tabbed with only one showing. How each works, from i3 to a scrolling strip.

Guide · Updated 13 October 2026

Tiling and scrolling window managers can put several windows in one slot. Stacked shows them one above another, sharing the height. Tabbed shows one at a time, with a row of tabs to pick another.

StackedTabbed
You seeEvery window, shorterOne window, full height
Good forA log above a shell, chat above mailSeveral documents of one kind
Moving betweenUp and downThrough the tabs

Where you find them

  • i3 and Sway: tabbed and stacking containers.
  • niri and PaperWM: several windows in one column.
  • ClutterFreeMac: stacks and tabbed columns on the strip.

In ClutterFreeMac

DoPress
Stack the window into the column on its left⌃ ⌥ ]
Stack it into the column on its right⌃ ⌥ [
Pop it back out into its own column⌃ ⌥ ⇧ ] or [
Make the column tabbed⌃ ⌥ ⇧ T
Move up and down inside the column⌃ ⌥ ↑ and ↓

Try stacking in the live demo: press ] to stack and ⇧ ] to pop out.

Questions

What is the difference between stacked and tabbed layouts?

Stacked shows every window in the slot, one above another. Tabbed shows one at a time with tabs to switch.