What is ↑   Shift + D keyboard shortcut for?

Ardour - Duplicate region (multi)  

Waze Map Editor - Toggle No Name segment highlighting  

Adobe Acrobat 2017 (Mac) - Cycle through drawing markup tools: Cloud, Arrow, Line, Rectangle, Oval, Polygon Line, Polygon, Pencil Tool, Eraser Tool  

Adobe Acrobat 2017 (Mac) - Document JavaScripts  

Adobe Acrobat 2017 (Windows and Unix) - Cycle through drawing markup tools: Cloud, Arrow, Line, Rectangle, Oval, Polygon Line, Polygon, Pencil Tool, Eraser Tool  

Adobe Acrobat 2017 (Windows and Unix) - Document JavaScripts  

Adobe Illustrator - Switch through drawing modes  

Adobe Illustrator - Switching between drawing modes  

Adobe Illustrator (Mac) - Switch through drawing modes  

Adobe Illustrator (Mac) - Switching between drawing modes  

Adobe Premiere Pro (Mac) - Apply Default Transitions to selection  

ArtRage Studio Pro - Reset Scale  

Autodesk Maya 2019 - Duplicate with Transform  

Blender - Duplicate  

Final Cut Pro X - Overwrite from the skimmer or playhead position back  

GIMP - Dodge/Burn  

Imagine (Image and Animation Viewer) - Folder tree  

Inkscape - Select original  

Inkscape - Select source. Selecting a linked offset and giving this command will select the source path of the linked offset  

Inkscape - duplicate selected node(s)  

Inkscape - select external frame  

Inkscape - select path from text  

LightWave 3D - Subdivide  

LightWave 3D - Exit bone edit mode  

Lumion 10 - Move camera faster  

PaintShop Pro 2018 - Duplicate  

SketchUp - Text tool  

Google Analytics - Go to the default dashboard of the current view  

Google Drive - Create new drawing  

Google Drive - Create new drawing  

Google Photos - Download  

Inoreader - Delete folder / feed  

WordPress - Delete checked comments  

Cmus 2.8 - win-remove  

PotPlayer 1.7 - Noise reduction  

SMPlayer 19.5.0 - Start / stop taking multiple screenshots  

Astroneer - Sprint  

Black Desert Online - Camera tilt  

Kerbal Space Program - Sprint  

NetHack - Drop multi  

RimWorld - Double Scroll Speed  

X4: Foundations - Command ship to dock at target or fly through the gate  

X4: Foundations - Docking computer  

Claws Mail - Empty all Trash folders  

NZBGet - Switch to downloads tab  

Brightpod - Add a Milestone  

FL Studio 20 - Discard selected note lengths  

Flow - Duplicate task  

Guitar Pro - PickStroke down  

Traktor Pro 3 - Beatjump (Deck B)  

Xactimate - Deck  

FreeCAD 0.18 - Constrain distance  

ImageJ - Duplicate active image or selection  

Onshape 1.98 - Diameter dimension  

OrCAD Capture - Descend hierarch