Raspbian

General

Open program menu

Alt + Space

All hotkeys for Raspbian

General
Run dialog

Alt + F2

General
System menu

Ctrl + Esc

General
Open program menu

Alt + Space

General
Switch between programs

Alt + ⭾ Tab

General
(press underlined letter) Access dropdown

Alt + A - Z

General
Make active window fullscreen

Alt + F11

General
Close window

Ctrl + Q

General
Back to CLI

Ctrl + Alt + ⬅ Backspace

Similar combinations for other applications

Microsoft Windows 7 (Windows)
Opens the title bar menu
Managing 'Windows' in Windows 7 - Move and Resize Active Window

Alt + Space

Microsoft Windows 7 (Windows)
Opens the title bar menu
Windows Explorer - Move and Resize Active Window

Alt + Space

Access 2010 (Windows)
Show the program icon menu
Manage Access Features - Menus

Alt + Space

Firefox (Linux)
Opens the title bar menu (default Windows feature)
Firefox Windows

Alt + Space

Firefox (Windows)
Opens the title bar menu (default Windows feature)
Firefox Windows

Alt + Space

Microsoft Windows 7 (Windows)
Opens the title bar menu
Windows Admin - Move and Resize Active Window

Alt + Space

Access 2010 (Windows)
Display the control menu
Manage Access Features - Manage Windows

Alt + Space

Microsoft Windows 7 (Windows)
Opens the title bar menu
Ease of Access and Magnifier - Move and Resize Active Window

Alt + Space

Access 2010 (Windows)
Show the program icon menu
Working with Text and Data - Menus

Alt + Space

Microsoft Windows 8 (Windows)
Opens the title bar menu
Managing Windows 8 Desktop Windows

Alt + Space

Adobe Photoshop CS5 (Windows)
Temporarily switch to Zoom Out tool
View Images

Alt + Space

Access 2010 (Windows)
Display the control menu
Working with Text and Data - Manage Windows

Alt + Space

Access 2010 (Windows)
Show the program icon menu
Working with Access Views - Menus

Alt + Space

Virtual DJ (Windows)
Mix
All Shortcuts

Alt + Space

Microsoft Excel 2013 (Windows)
Display the Control menu for Main Excel window
Manage Multiple Workbooks

Alt + Space

Access 2010 (Windows)
Display the control menu
Working with Access Views - Manage Windows

Alt + Space

Linux Mint (Linux)
Open window menu
Current Application Window

Alt + Space

Access 2010 (Windows)
Show the program icon menu
The Rest - Menus

Alt + Space

Microsoft Word 2013 (Windows)
Open the window menu
The Rest

Alt + Space

Skype for Business (Lync) 2016 (Windows)
Open the System menu. Alt opens the menu bar
Main Window

Alt + Space

Microsoft Windows 10 (Windows)
Open dialog box on active window
The Rest

Alt + Space

Camtasia 8 (Windows)
Display system menu
Standard Windows Shortcuts

Alt + Space

Microsoft Excel 2010 (Windows)
Display the Control menu for Main Excel window.
Manage Multiple Workbooks

Alt + Space

Skype for Business (Lync) 2016 (Windows)
Open tab window’s system menu
Tabbed conversations

Alt + Space

Access 2016 (Windows)
Display Control Menu
Windows/Content Switching/Navigation

Alt + Space

Access 2010 (Windows)
Display the control menu
The Rest - Manage Windows

Alt + Space

Steinberg Cubase 9 (Windows)
Play selection range
Transport

Alt + Space

Kingsoft Spreadsheets 2016 (Windows)
Display Control Menu from Program Window
Display Various Objects

Alt + Space

i3 (window manager)
Toggle focus mode
Basic shortcuts

Alt + Space

Modo (Windows)
Animation shortcuts (only in the Animation layout)
Pie Menus

Alt + Space

Modo (Windows)
Quick access pop-over
General Modeling

Alt + Space

Affinity Photo
Non Breaking Space
Text shortcuts

Alt + Space

Openbox
Show the client menu for the active window
General

Alt + Space

LXDE
Window menu
LDXE / Openbox

Alt + Space

Ubuntu
Bring up window menu with with ‘Always on Top’ and ‘Minimize’ and ‘Maximize’ and above commands
Windows

Alt + Space

Xfce
Window operations menu
Window manipulation

Alt + Space

Alteryx
Show the System menu
Other shortcuts

Alt + Space

Virtual DJ 2018
Mix now
General

Alt + Space

Clip Studio Paint Pro
Zoom (scale down)
Frequently used shortcuts

Alt + Space

Microsoft Paint
Equivalent to right-clicking on the title bar
Alt key menu

Alt + Space

Adobe Photoshop CC
Switch to Zoom Out tool
View images

Alt + Space

KDE Plasma Desktop
Run Command Interface
Working with windows

Alt + Space

GNOME
Activate the window menu
Windows

Alt + Space

Linux Mint
Bring up the window menu for an application
Frequently used shortcuts

Alt + Space

Microsoft FrontPage
Display the window shortcut menu (Control menu).
Access and use menus and toolbars

Alt + Space

Ardour
Play edit range
Edit Point Playback

Alt + Space

Android
Search page
General

Alt + Space

Maple
Access Window Menu
TTY Mode Functions in Command-line Maple

Alt + Space

NewsBin Pro
Open the shortcut menu for the active window
Standard Windows keyboard navigation

Alt + Space

REAPER
Transport: Play (skip time selection)
Section: Main

Alt + Space

WPS Office
Displays the Control menu for the program window
General

Alt + Space

Blender
Orientation menu
General

Alt + Space

Microsoft Access 2016
Show the program icon menu (on the program title bar), also known as the control menu
Navigate in the Access workspace

Alt + Space

Remote Desktop Services
Remote Desktop shortcut: Alt + D. Display the system menu
Equivalent remote shortcuts

Alt + Space

Launchy
Bring up Launchy
General

Alt + Space

Windows 3.1
Open Control Box
Menu features

Alt + Space

Microsoft Excel 2016
Displays the Control menu for the Excel window
Other useful shortcut keys

Alt + Space

Microsoft Projects 2007 (Windows)
Activate the Control menu.
Navigate views and windows

Alt + Space

Gnome 3.0 (Linux)
Open the window menu.
Window Commands

alt + space

Gnome 2.32 (Linux)
Open the window menu.
Window Management

Alt + Space

Internet Explorer (Windows)
Opens the title bar menu.
Manage IE8 Windows

Alt + Space

Dynamics CRM 2011 (Windows)
Display the System menu for the active window
General Shortcuts

Alt + Space

Microsoft Windows Vista (Windows)
Open the title bar menu.
Work with Vista (Application) Windows

Alt + Space

Microsoft Excel 2007 (Windows)
Open the shortcut menu of a dialog box.
Microsoft Clip Organizer main

Alt + Space

Adobe Photoshop CS4 (Windows)
Switch to Zoom Out tool
Shortcut Keys for viewing images

Alt + Space

Windows Media Player 11 (Windows)
Opens the title bar menu (default Windows feature).
Manage the Media Player Windows

Alt + Space

Microsoft Word 2010 (Windows)
Open the window menu
The Rest

Alt + Space

DBeaver 6.0.3
Navigate to the link in active cell
Data viewer

Alt + Space

Nano
Go back one word
Navigation

Alt + Space