GNU Emacs

Marking

Set mark here

Ctrl + Space

All hotkeys for GNU Emacs

Files
Read a file into Emacs

Ctrl + X then Ctrl + F

Files
Save a file back to disk

Ctrl + X then Ctrl + S

Files
Save all files

Ctrl + X then S

Files
Insert contents of another file into this buffer

Ctrl + X then I

Files
Replace this file with another file

Ctrl + X then Ctrl + V

Files
Write buffer to specified file

Ctrl + X then Ctrl + W

Files
Toggle read only status of buffer

Ctrl + X then Ctrl + Q

Leaving Emacs
Suspend or iconify Emacs

Ctrl + Z

Leaving Emacs
Exit Emacs completely

Ctrl + X then Ctrl + C

Multiple windows
Delete all other windows

Ctrl + X then 1

Multiple windows
Scroll other window

Ctrl + Meta + V

Help
Show commands matching a string

Ctrl + H then A

Help
Describe the function a key runs

Ctrl + H then K

Help
Describe a function

Ctrl + H then F

Help
Get mode specific information

Ctrl + H then M

The minibuffer
Abort command

Ctrl + G

Simple customization
(then customize) Customize variables and faces

Meta + X

Error recovery
Undo an unwanted change

Ctrl + X then U

Error recovery
Undo an unwanted change

Ctrl + _

Error recovery
Undo an unwanted change

Ctrl + /

Motion
Scroll current line to center, top, bottom

Ctrl + L

Incremental search
Search forward

Ctrl + S

Query replace
Enter recursive edit

Ctrl + R

Incremental search
Regular expression search

Ctrl + Meta + S

Incremental search
Reverse regular expression search

Ctrl + Meta + R

The minibuffer
Fetch previous minibuffer input

Meta + P

The minibuffer
Fetch later minibuffer input or default

Meta + N

The minibuffer
Complete and execute

⤶ Enter

Info
Scroll reverse

Del

Motion
Character - backward

Ctrl + B

Motion
Character - forward

Ctrl + F

Motion
Word - backward

Meta + B

Motion
Word - forward

Meta + F

Motion
Line - backward

Ctrl + P

Motion
Line - forward

Ctrl + N

Motion
Go to line beginning

Ctrl + A

Motion
Go to line ending

Ctrl + E

Motion
Sentence - backward

Meta + A

Motion
Sentence - forward

Meta + E

Motion
Paragraph - backward

Meta + {

Motion
Paragraph - forward

Meta + }

Motion
Page - backward

Ctrl + X then [

Motion
Page - forward

Ctrl + X then ]

Motion
sexp - backward

Ctrl + Meta + B

Motion
sexp - forward

Ctrl + Meta + F

Motion
function - backward

Ctrl + Meta + A

Motion
function - forward

Ctrl + Meta + E

Motion
Go to beginning of buffer

Meta + <

Motion
Go to end of buffer

Meta + >

Motion
Scroll to next screen

Ctrl + V

Motion
Scroll to previous screen

Meta + V

Motion
Scroll left

Ctrl + X then <

Motion
Scroll right

Ctrl + X then >

Motion
Go to line

Meta + G then G

Motion
Go to character

Meta + G then C

Motion
Back to indentation

Meta + M

Killing and deleting
Character (delete, not kill) - forward

Ctrl + D

Killing and deleting
Word - backward

Meta + Del

Killing and deleting
Word - forward

Meta + D

Killing and deleting
Line (to end of) - backward

Meta + 0 then Ctrl + K

Killing and deleting
Line (to end of) - forward

Ctrl + K

Killing and deleting
Sentence - backward

Ctrl + X then Del

Killing and deleting
Sentence - forward

Meta + K

Killing and deleting
sexp - backward

Meta + - then Ctrl + Meta + K

Killing and deleting
sexp - forward

Ctrl + Meta + K

Killing and deleting
Kill region

Ctrl + W

Killing and deleting
Copy region to kill ring

Meta + W

Killing and deleting
then press char to kill through next occurence of char

Meta + Z

Killing and deleting
Yank back last thing killed

Ctrl + Y

Killing and deleting
Replace last yank with previous kill

Meta + Y

Marking
Set mark here

Ctrl + @

Marking
Set mark here

Ctrl + Space

Marking
Exchange point and mark

Ctrl + X then Ctrl + X

Marking
Set mark arg words away

Meta + @

Marking
Mark paragraph

Meta + H

Marking
Mark page

Ctrl + X then Ctrl + P

Marking
Mark sexp

Ctrl + Meta + @

Marking
Mark function

Ctrl + Meta + H

Marking
Mark entire buffer

Ctrl + X then H

Query replace
(then query-replace-regexp) Interactively replace a text string using regular expressions

Meta + % then Meta + X

Info
Scroll forward

Space

Query replace
Replace this one, go to next

Y

Info
Go to next node

N

Query replace
Replace all remaining matches

!

Query replace
Back up to the previous match

^

Query replace
Exit recursive edit

Ctrl + Meta + C

Multiple windows
Delete all other windows (for frame)

Ctrl + X then 5 then 1

Multiple windows
Split window, above and below

Ctrl + X then 2

Multiple windows
Split window, above and below (for frame)

Ctrl + + X then 5 then 2

Multiple windows
Delete this window

Ctrl + X then 0

Multiple windows
Delete this window (for frame)

Ctrl + X then 5 then 0

Multiple windows
Split window, side by side

Ctrl + X then 3

Multiple windows
Switch cursor to another window

Ctrl + X then O

Multiple windows
Switch cursor to another window (for frame)

Ctrl + X then 5 then O

Multiple windows
Select buffer in other window

Ctrl + X then 4 then B

Multiple windows
Select buffer in other window (for frame)

Ctrl + X then 5 then B

Multiple windows
Display buffer in other window

Ctrl + X then 4 then Ctrl + O

Multiple windows
Display buffer in other window (for frame)

Ctrl + X then 5 then Ctrl + O

Multiple windows
Find file in other window

Ctrl + X then 4 then F

Multiple windows
Find file in other window (for frame)

Ctrl + X then 5 then F

Multiple windows
Find file read-only in other window

Ctrl + X then 4 then R

Multiple windows
Find file read-only in other window (for frame)

Ctrl + X then 5 then R

Multiple windows
Run Dired in other window

Ctrl + X then 4 then D

Multiple windows
Run Dired in other window (for frame)

Ctrl + X then 5 then D

Multiple windows
Find tag in other window

Ctrl + X then 4 then .

Multiple windows
Find tag in other window (for frame)

Ctrl + X then 5 then .

Multiple windows
Grow window taller

Ctrl + X then ^

Multiple windows
Shrink window smaller

Ctrl + X then {

Multiple windows
Grow window wider

Ctrl + X then }

The minibuffer
Complete as much as possible

⭾ Tab

Formatting
Indent region (mode-dependent)

Ctrl + Meta + \

Formatting
Indent sexp (mode-dependent)

Ctrl + Meta + Q

Formatting
Indent region rigidly arg columns

Ctrl + X then ⭾ Tab

Formatting
Indent for comment

Meta + ;

Formatting
Insert newline after point

Ctrl + O

Formatting
Move rest of line vertically down

Ctrl + Meta + O

Formatting
Delete blank lines around point

Ctrl + X then Ctrl + O

Formatting
Join line with previous (with arg, next)

Meta + ^

Formatting
Delete all white space around point

Meta + \

Formatting
Put exactly one space at point

Meta + Space

Formatting
Fill paragraph

Meta + Q

Formatting
Set fill column to arg

Ctrl + X then F

Formatting
Prefix each line starts with

Ctrl + X then .

Formatting
Set face

Meta + O

Case change
Uppercase word

Meta + U

Case change
Lowercase word

Meta + L

Case change
Capitalize word

Meta + C

Case change
Uppercase region

Ctrl + X then Ctrl + U

Case change
Lowercase region

Ctrl + X then Ctrl + L

The minibuffer
Show possible completions

?

The minibuffer
Regexp search backward through history

Meta + R

The minibuffer
Regexp search forward through history

Meta + S

The minibuffer
Edit and repeat the last command that used the minibuffer

Ctrl + X then Esc then Esc

The minibuffer
Activate menu bar items in text terminals

F10

Buffers
Select another buffer

Ctrl + X then B

Buffers
List all buffers

Ctrl + X then Ctrl + B

Buffers
Kill a buffer

Ctrl + X then K

Transposing
Transpose characters

Ctrl + T

Transposing
Transpose words

Meta + T

Transposing
Transpose lines

Ctrl + X then Ctrl + T

Transposing
Transpose sexps

Ctrl + Meta + T

Spelling check
Check spelling of current word

Meta + $

Tags
Find a tag (a definition)

Meta + .

Tags
Find next occurence of a tag

Ctrl + U then Meta + .

Tags
Continue last tags search on query-replace

Meta + ,

Shells
Execute a shell command

Meta + !

Shells
Execute a shell command asynchronously

Meta + &

Shells
Run a shell command on the region

Meta + |

Rectangles
Copy rectangle to register

Ctrl + X then R then R

Rectangles
Kill rectangle

Ctrl + X then R then K

Rectangles
Yank rectangle

Ctrl + X then R then Y

Rectangles
Open rectangle, shifting text right

Ctrl + X then R then O

Rectangles
Black out rectangle

Ctrl + X then R then C

Rectangles
Prefix each line with string

Ctrl + X then R then T

Abbrevs
Add global abbrev

Ctrl + X then A then G

Abbrevs
Add mode-local abbrev

Ctrl + X then A then L

Abbrevs
Add global expansion for this abbrev

Ctrl + X then A then I then G

Abbrevs
Add mode-local expansion for this abbrev

Ctrl + X then A then I then L

Abbrevs
Explicitly expand abbrev

Ctrl + X then A then E

Abbrevs
Expand previous word dynamically

Meta + /

Miscellaneous
Numeric argument

Ctrl + U then Num 0 - Num 9

Miscellaneous
Negative argument

Meta + -

Miscellaneous
then char: Quoted insert

Ctrl + Q

International character sets
Enable or disable input method

Ctrl + \

Info
Enter the Info documentation reader

Ctrl + H then I

Info
Find specified function or variable in Info

Ctrl + H then S

Info
Beginning of node

B

Info
Go to previous node

P

Info
Move up

U

Info
Select menu item by name

M

Info
Select menu item by number

Num 1 - Num 9

Info
Follow cross reference (return with 1)

F

Info
Return to last node you saw

L

Info
Return to directory node

D

Info
Go to top node of Info file

T

Info
Go to any node by name

G

Info
Run info tutorial

H

Info
Look up a subject in the indices

I

Info
Search nodes for regexp

S

Info
Quit Info

Q

Registers
Save region in register

Ctrl + X then R then S

Registers
Insert register contents into buffer

Ctrl + X then R then I

Registers
Save value of point in register

Ctrl + X then R then Space

Registers
Jump to point saved in register

Ctrl + X then R then J

Keyboard macros
Start defining a keyboard macro

Ctrl + X then (

Keyboard macros
End keyboard macro definition

Ctrl + X then )

Keyboard macros
Eappend to last keyboard macro

Ctrl + X then E

Dealing with Emacs Lisp
Eval sexp before point

Ctrl + X then Ctrl + E

Dealing with Emacs Lisp
Eval current defun

Ctrl + Meta + X

Dealing with Emacs Lisp
Read and eval minibuffer

Meta + :

Similar combinations for other applications


Microsoft Excel 2010 (Windows)
Select the entire column.
Work with Data Selections - Select Cells

Ctrl + Space


Microsoft Word 2007 (Windows)
Remove paragraph or character formatting.
Common tasks

Ctrl + Space


Microsoft Projects 2010 (Windows)
Select current column
Navigate Gantt Chart and Select Tasks

Ctrl + Space


Emacs 23.2.1 (Linux)
Begin Selection
Edit

Ctrl + Space


Civilization V (Windows)
End Turn
General Hotkeys

Ctrl + Space


Firebug (Windows)
Focus Scripts Location Menu
Script-Panel

Ctrl + Space


Firebug (Linux)
Focus Scripts Location Menu
Script-Panel

Ctrl + Space


Microsoft Outlook 2010 (Windows)
Clear formatting (or use ctrl+shift+z)
Messages in Main View - Format Message Body

Ctrl + Space


Eclipse Helios (Windows)
Opens Content Assist (e.g. show available methods or field names)
Editing Source Code

Ctrl + Space


SharpDevelop 4.0 (Windows)
Show containing members of current object
Coding Shortcuts

Ctrl + Space


Inpage (Windows)
To switch between english and urdu mode
For Editing

Ctrl + Space


Visual Studio 2015 (Windows)
Autocomplete word from completion list (or alt+right arrow)
Code Editor - IntelliSense and Code Helper

Ctrl + Space


Access 2010 (Windows)
Select the current column
Manage Access Features - Select and move Fields or Columns

Ctrl + Space


Notepad++ 5 (Windows)
Function completion
Edit - Auto-completion

Ctrl + Space


Microsoft Excel 2010 (Windows)
Select the entire column.
Insert and Edit Data - Select Cells

Ctrl + Space


Microsoft Outlook 2010 (Windows)
Clear formatting (or use ctrl+shift+z)
Messages in Compose View - Format Message Body

Ctrl + Space


Notepad++ 5 (Windows)
Function completion
Search - Auto-completion

Ctrl + Space


Visual Studio 2015 (Windows)
Autocomplete word from completion list (or alt+right arrow)
Coding - IntelliSense and Code Helper

Ctrl + Space


Microsoft Word 2007 (Windows)
Remove manual character formatting.
Character and paragraph formatting Apply character formats

Ctrl + Space


Oracle SQL Developer 4 (Windows)
Completion Insight
Code Editor

Ctrl + Space


Microsoft Outlook 2010 (Windows)
Clear formatting (or use ctrl+shift+z)
Calendar Shortcuts - Format Message Body

Ctrl + Space


Microsoft Excel 2010 (Windows)
Select the entire column.
Format Data - Select Cells

Ctrl + Space


Visual Studio 2015 (Windows)
Autocomplete word from completion list (or alt+right arrow)
Code Snippets (Visual C# Scheme) - IntelliSense and Code Helper

Ctrl + Space


Microsoft Excel 2011 (MacOS)
Select the entire column
Selecting cells, columns, or rows

Ctrl + Space


Smartplant Review (Windows)
Pause key frame motion
Managing Smartplan Review

Ctrl + Space


Access 2010 (Windows)
Select the current column
Working with Text and Data - Select and move Fields or Columns

Ctrl + Space


Evernote (Windows)
Remove formatting
Note Editor

Ctrl + Space


Microsoft Outlook 2010 (Windows)
Select or cancel selection of active card
Business Card View

Ctrl + Space


IntelliJ (Linux)
Code completion.
Productivity

Ctrl + Space


IntelliJ (Linux)
Basic code completion (the name of any class, method or variable)
Editing

Ctrl + Space


IntelliJ (Windows)
Code completion.
Productivity

Ctrl + Space


IntelliJ (Windows)
Basic code completion (the name of any class, method or variable)
Editing

Ctrl + Space


Microsoft PowerPoint 2010 (Windows)
Remove manual character formatting, such as subscript and superscript.
Change Fonts and Formatting

Ctrl + Space


Adobe Illustrator CS5 (Windows)
Switch to Zoom tool in magnify mode
Viewing Artwork

Ctrl + Space


Microsoft Excel 2010 (Windows)
Select the entire column.
Formulas and Names - Select Cells

Ctrl + Space


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

Ctrl + Space


Texmaker 4.0.2 (Windows)
Switch between editor and embedded viewer
Other

Ctrl + Space


FreeMind 0.9.0 (Windows)
Toggle children folded
Node editing commands

Ctrl + Space


Notepad2 (Windows)
Select word (or line)
Char, Word

Ctrl + Space


Microsoft Excel 2013 (Windows)
Select the entire column
Basic and Advanced Cell Selections

Ctrl + Space


FL Studio (Windows)
Start/Pause playback
Record / Playback / Transport

Ctrl + Space


Access 2010 (Windows)
Select the current column
Working with Access Views - Select and move Fields or Columns

Ctrl + Space


Presonus Studio One (Windows)
Locate mouse cursor
Transport Menu

Ctrl + Space


Virtual DJ (Windows)
Automix
All Shortcuts

Ctrl + Space


Microsoft Excel 2010 (Windows)
Select the entire column.
The Rest - Select Cells

Ctrl + Space


FileMaker Pro (Windows)
Insert a non-breaking space
Layout Mode Shortcuts - Delete and Edit Text

Ctrl + Space


Qt Creator (Windows)
Trigger a completion in this scope
Editor

Ctrl + Space


Qt Creator (MacOS)
Trigger a completion in this scope
Editor

Ctrl + Space


Comsol 5 (Windows)
Open list of predefined quantities for insertion in Expression fields for plotting and results evaluation
Model Tree

Ctrl + Space


Comsol 5 (Linux)
Open list of predefined quantities for insertion in Expression fields for plotting and results evaluation
Model Tree

Ctrl + Space


Comsol 5 (MacOS)
Open list of predefined quantities for insertion in Expression fields for plotting and results evaluation
Model Tree

Ctrl + Space


Autodesk Maya 2015 (Windows)
Switches between the standard view and a full-screen view
View

Ctrl + Space


Autodesk Maya 2015 (Windows)
Switch between the standard view and full-screen view of the current panels
Interfaces

Ctrl + Space


Adobe Acrobat Pro (Windows)
Change whether the row with focus is in the selection
PDF Portfolios

Ctrl + Space


Notepad++ 6 (Windows)
Launch CallTip ListBox
Edit menu

Ctrl + Space


Adobe Acrobat Pro (Windows)
Temporarily select Zoom In tool
Tools

Ctrl + Space


Sonar 2015 (Windows)
Stop with Now marker
Transport

Ctrl + Space


Access 2010 (Windows)
Select the current column
The Rest - Select and move Fields or Columns

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select current column
Select Cells - Column and Row Selection

Ctrl + Space


FileMaker Pro (Windows)
Insert a non-breaking space
Text Shortcuts - Delete and Edit Text

Ctrl + Space


Android Studio (Windows)
Code Completion
General Shortcuts

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select table column
Select Cells - Auto Tables

Ctrl + Space


Autodesk Maya 2017 (Windows)
Switches between the standard view and a full-screen view
View

Ctrl + Space


Autodesk Maya 2017 (Windows)
Switch between the standard view and full-screen view of the current panels
Interfaces

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select current column
Format Cells - Column and Row Selection

Ctrl + Space


FileMaker Pro (Windows)
Insert a non-breaking space
Database Management Shortcuts - Delete and Edit Text

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select table column
Format Cells - Auto Tables

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select current column
Formulas - Column and Row Selection

Ctrl + Space


Microsoft Outlook 2016 (Windows)
Select or cancel selection of the active item
Views: Table View

Ctrl + Space


Microsoft Outlook 2016 (Windows)
Select or cancel selection of the active card
View: Business Cards/Address cards

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select table column
Formulas - Auto Tables

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select current column
Manage Workbooks - Column and Row Selection

Ctrl + Space


Zoho Sheet (Windows)
Select column
Selection

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select table column
Manage Workbooks - Auto Tables

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select current column
Excel Auto Tables and Data Forms - Column and Row Selection

Ctrl + Space


Microsoft Excel 2016 (Windows)
Select table column
Excel Auto Tables and Data Forms - Auto Tables

Ctrl + Space


Cloud9 (MacOS)
Complete
Code Manipulation

Ctrl + Space


Cloud9 (Windows)
Complete
Code Manipulation

Ctrl + Space


Microsoft Excel 2016 (MacOS)
Select the entire column
Select cells, columns, or rows

Ctrl + Space


Chief Architect (Windows)
Delete Objects
General Editing

Ctrl + Space


GOM Player (Windows)
Stop
Playback Control

Ctrl + Space


Impro-Visor (Windows)
toggle enharmonics of all chords and notes in selection
General

Ctrl + Space


CodeLite 10 (Windows)
Auto-complete / Abbreviations
Editor

Ctrl + Space / Ctrl + J


RStudio (Windows)
Attempt completion
Completions (Console and Source)

Tab / Ctrl + Space


PhpStorm
Basic code completion (Complete names of classes, methods, fields and keywords within the visibility scope)
General

Ctrl + Space


Solidworks 2019
Opens the View Selector.
Display

Ctrl + Space


dbForge SQL Complete
Open the suggestion box
General

Ctrl + Space


Geany (Linux)
Complete word
Editting

Ctrl + Space


Geany (Windows)
Complete word
Editting

Ctrl + Space


App Maker
Open the code-completion window
Code editor shortcuts

Ctrl + Space


SAP Web IDE (Windows)
Show Code Completion Suggestions
47 Shortcuts for SAP Web IDE (Windows)

Ctrl + Space


SAP Web IDE (MacOS)
Show Code Completion Suggestions
47 Shortcuts for SAP Web IDE (MacOS)

Ctrl + Space


PSPad (Windows)
Show Clips
Tools

Ctrl + Space


ChessBase 13
Insert best variation of all engines into notation
Board window

Ctrl + Space


Modo (Windows)
GL viewport view type
Pie Menus

Ctrl + Space


Assetto Corsa
Recenter view
VR (Oculus)

Ctrl + Space


Huggle
Clear queue
Other

Ctrl + Space


RStudio
Attempt completion
Completions (Console and Source)

Ctrl + Space


EasyWorship
Switch between live output and control screen in single monitor mode
Show control

Ctrl + Space


DayZ
(Stable branch) Toggle Raise Weapon
Weapons

Ctrl + Space


Adobe Illustrator
Switch to Zoom tool in magnify mode
View artwork

Ctrl + Space


PyCharm 2018.2
Code completion for any class, method or variable.
Advanced editing

Ctrl + Space


Shotcut (Mac)
Select under playhead
Timeline

Ctrl + Space


Shotcut
Select under playhead
Timeline

Ctrl + Space


WorkZone Client
Select highlighted list items
Navigate in lists

Ctrl + Space


Evernote for Windows
Simplify Formatting
Note Editor

Ctrl + Space


JAWS
Select Multiple List Items
Working with dialog boxes

Ctrl + Space


Aegisub
Toggle focus between the video slider and the previous thing to have focus
Default

Ctrl + Space


Atom (Windows)
(Source: Autocomplete Plus) autocomplete-plus:activate
All shortcuts

Ctrl + Space


jEdit
Repeat last editor action.
Action bar

Ctrl + Space


Kindle for PC
Flip Flashcards (only works when in the Flashcards deck)
While Reading a Book

Ctrl + Space


CorelDRAW Graphics Suite 2018
Toggle Pick State
General

Ctrl + Space


Metapad
Select word
File format

Ctrl + Space


Kibana
Open Auto complete (even if not typing)
General editing

Ctrl + Space


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

Ctrl + Space


Virtual DJ 2018
Automix
General

Ctrl + Space


Microsoft FrontPage
Open a drop-down menu for the selected task pane.
Access and use task panes

Ctrl + Space


Adobe Photoshop CC
Switch to Zoom In tool
View images

Ctrl + Space


Hatim 4
Pause
General

Ctrl + Space


Microsoft Word 2016
Turn Chinese Input Method Editor (IME) on 101 keyboard on or off
Language bar: Turn on East Asian Input Method Editors

Ctrl + Space


Corel Painter
Zoom tool (zoom-in)
Panel menu commands

Ctrl + Space


Adobe Premiere Pro (Mac)
Play from Playhead to Out Point
Multi camera

Ctrl + Space


Adobe Premiere Pro (Windows)
Play from Playhead to Out Point
Multi camera

Ctrl + Space


WavePad
Play Again
Play Operations

Ctrl + Space


Microsoft Visual Studio 2017 (Most used shortcuts)
[Text Editor, Workflow Designer] Edit.CompleteWord
Edit

Ctrl + Space


IntelliJ IDEA (Windows, Linux)
Basic code completion
Editing

Ctrl + Space


AWS Cloud9 IDE (Windows)
Complete
Code Manipulation

Ctrl + Space


Chromebook and Chrome OS
Switch to the previous keyboard language that you were using
Text editing

Ctrl + Space


Ditto
Toggle Ditto window between normal and always showing on top (persistent)
General

Ctrl + Space


Ardour
Stop and destroy
Transport and recording control

Ctrl + Space


Kdenlive
Play zone
Editing

Ctrl + Space


Hearthstone
End turn
3rd party program: Hotkeys

Ctrl + Space


Microsoft PowerPoint (Slideshows)
Play or pause media
Control video and other media during a presentation

Ctrl + Space


PSPad
Show Clips
Tools

Ctrl + Space


Inkscape
insert no-break space
Text tool

Ctrl + Space


Zim
Open side pane if index is invisible
General

Ctrl + Space


Mp3tag
Displays format string helper menu (e.g., at converters or actions)
Useful helpers

Ctrl + Space


WriteMonkey
Open Command palette
General

Ctrl + Space


Microsoft PowerPoint (Creating presentations)
Remove manual character formatting, such as subscript and superscript
Format text: Apple character formatting

Ctrl + Space


Brackets
Show Code Hints
General

Ctrl + Space


Netflix
Toggle by frame
General

Ctrl + Space


Google Sheets (Android)
Select column
Common actions

Ctrl + Space


Google Sheets (Mac)
Select column
Common actions

Ctrl + Space


Google Sheets
Select column
Common actions

Ctrl + Space


Maple
or Command Completion
Command line interface

Ctrl + Space


LibreOffice
Toggles row selection
Selecting rows and columns in a database table

Ctrl + Space


Qt Creator
Trigger a completion in this scope
Editing

Ctrl + Space


FileMaker
Insert a non-breaking space
Text

Ctrl + Space


KompoZer
Open Context Menu
General

Ctrl + Space


Sublime Text
Select next auto-complete suggestion
Editing

Ctrl + Space


REAPER
Transport: Play/pause
Section: MIDI Event List Editor

Ctrl + Space


Guitar Pro
Play from the beginning
Sound

Ctrl + Space


Delphi
Invoke code completion
General

Ctrl + Space


Freemind
Toggle children folded
Node editing commands

Ctrl + Space


Python IDLE for Windows
Show completions
Edit menu

Ctrl + Space


Visual Studio Code (Mac)
Trigger suggestion
Rich languages editing

Ctrl + Space


Blender
Transform Manipulator toggle
General

Ctrl + Space


Visual Studio Code (Linux)
Trigger suggestion
Rich languages editing

Ctrl + Space


Visual Studio Code (Windows)
Trigger suggestion
Rich languages editing

Ctrl + Space


The Bat!
Insert quick template
Message Editor

Ctrl + Space


Eclipse
Open content assist (e.g. show available methods or field names)
Editing source code

Ctrl + Space


Microsoft Visual Studio 2017 (All shortcuts)
View.ShowPropertyMarkerMenu
XAML UI Designer

Ctrl + Space


Microsoft Excel 2016
Selects an entire column in a worksheet
Other useful shortcut keys

Ctrl + Space


Microsoft Access 2016
Select an entire grid column
Working with panes: Using grid pane

Ctrl + Space


Everything
Toggle item selection
Result list

Ctrl + Space


Notepad++
Launch CallTip ListBox
Edit menu

Ctrl + Space


GOM Player
Stop
Playback control

Ctrl + Space


SQL Server Management Studio (SSMS)
Complete word
Microsoft IntelliSense

Ctrl + Space


Opera
Go to your home page
Loading keys: Access

Ctrl + Space


Android Studio
Basic code completion
Writing code

Ctrl + Space


Outlook 2016 and Outlook 2013
Select or cancel selection of the active card
Business cards or Address view

Ctrl + Space


Adobe Acrobat 2017 (Windows and Unix)
Change whether the row with focus is in the selection
Working with PDF Portfolios

Ctrl + Space


Mozilla Thunderbird
Discontinue or remove text styles
Styling the message text

Ctrl + Space


Duolingo
Replay audio
General

Ctrl + Space


Notepad2
Select word (or line)
Word

Ctrl + Space


Open Office Writer 3 (Windows)
Non-breaking spaces. Non-breaking spaces are not used for hyphenation and are not expanded if the text is justified
General OpenOffice Writer Shortcuts

Ctrl + Space


Microsoft Excel 2007 (Windows)
Selects an entire column in a worksheet.
Navigating in Worksheets and Selecting Cells

Ctrl + Space


Rhythmbox (Linux)
Play/pause
Playback

Ctrl + Space


Google Spreadsheets (Web Application)
Select the entire column
Entering/editing data

Ctrl + Space


Microsoft Projects 2007 (Windows)
Select a column.
Select and edit in a sheet view

Ctrl + Space


Microsoft Word 2010 (Windows)
Remove all manual styles
Navigate within Documents - Styles

Ctrl + Space


InDesign CS5 (Windows)
Temporarily select Zoom In tool
Tools

Ctrl + Space


InDesign CS5 (Windows)
Temporarily select Zoom In tool
Viewing documents and document workspaces

Ctrl + Space


Microsoft Outlook 2007 (Windows)
Clear formatting.
Shortcuts for Formatting Text

Ctrl + Shift + Z / Ctrl + Space


Microsoft Word 2010 (Windows)
Remove all manual styles
Edit Documents - Styles

Ctrl + Space


Microsoft Outlook 2007 (Windows)
Select or cancel selection of the active item.
Shortcut for Table View

Ctrl + Space


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

Ctrl + Space


Microsoft Outlook 2007 (Windows)
Select or cancel selection of the active card.
Shortcuts for Business Card / Address Card View

Ctrl + Space


Microsoft Word 2010 (Windows)
Remove all manual styles
Formats - Styles

Ctrl + Space


Microsoft Word 2010 (Windows)
Remove all manual styles
Manage Word View - Styles

Ctrl + Space


Microsoft Word 2010 (Windows)
Remove all manual styles
Tables - Styles

Ctrl + Space


DBeaver 6.0.3
SQL completion proposals popup
SQL Editor

Ctrl + Space


Nano
go forward one word
Navigation

Ctrl + Space


Scrivener 1.9.9
To single spaces
Formatting

Ctrl + Space