elementary OS

General

Window switcher

`Alt` + `⭾ Tab`

All hotkeys for elementary OS

General App launcher	`⌘ Cmd` + `Space`
General Window switcher	`Alt` + `⭾ Tab`
General Swtich windows backwards	`↑ Shift` + `Alt` + `⭾ Tab`
General Window overview	`⌘ Cmd` + `W`
General Window overivew (across all workspaces)	`⌘ Cmd` + `A`
General Switch workspace	`⌘ Cmd` + `← →`
General Workspace overview	`⌘ Cmd` + `S`
General New workspace	`⌘ Cmd` + `0`
General Jump to specific workspace	`⌘ Cmd` + `1` - `9`
General Move app windows left and right between workspaces	`⌘ Cmd` + `Alt` + `← →`
General Move window with workspace	`↑ Shift` + `⌘ Cmd` + `← →`
General Maximize / unmaximize window	`Ctrl` + `⌘ Cmd` + `↑ ↓`
General Lock screen	`⌘ Cmd` + `L`
General Move window	`⌘ Cmd` + `Mouse movement`
General Resize window	`⌘ Cmd` + `Mouse movement`
General Shift	`⌘ Cmd`
General Shift	`Win`
General Shift	`↑ Shift`

Similar combinations for other applications

Raspbian

Switch between programs

General

`Alt` + `⭾ Tab`

Openbox

Cycle between windows on the desktop

General

`Alt` + `⭾ Tab`

LXDE

Next window

LDXE / Openbox

`Alt` + `⭾ Tab`

Ubuntu

Switch between open windows

Windows

`Alt` + `⭾ Tab`

Xfce

Switch to next window

Window manipulation

`Alt` + `⭾ Tab`

Samsung DeX

Running apps

System shortcuts

`Alt` + `⭾ Tab`

KDE Plasma Desktop

Walk through windows

Working with windows: Moving around

`Alt` + `⭾ Tab`

Linux Mint

Cycle through open windows

Frequently used shortcuts

`Alt` + `⭾ Tab`

Red Hat Enterprise Linux

Switch tasks in a graphical desktop environment

General

`Alt` + `⭾ Tab`

Microsoft FrontPage

Switch to the next window.

Access and use windows

`Alt` + `⭾ Tab`

Chromebook and Chrome OS

Switch quickly between windows

Tabs and windows

`Alt` + `⭾ Tab`

Android

Switch between tasks

General

`Alt` + `⭾ Tab`

Remote Desktop Services

Remote Desktop shortcut: Alt + Page Up. Switch between programs from left to right

Equivalent remote shortcuts

`Alt` + `⭾ Tab`

Windows 3.1

Task switch. Hold <keybs>Tab</keybs> while repeatedly pressing <keybs>Alt</keybs> cycles through open windows

Common features

`Alt` + `⭾ Tab`

Continuum for Phones

Switch between open apps

General

`Alt` + `⭾ Tab`