capture
Greenshot
Need to capture a window, mark a detail, and send the image along
ShareX
Region capture in ShareX includes tools for drawing arrows, adding text, highlighting details, and obscuring sensitive areas
FastStone Capture
Need to capture a long webpage, mark up a screenshot, or record screen activity
LightShot
The selection overlay lets you drag across the desktop to frame the part of the screen you want to capture
PrtScr
Want the Print Screen key to do more than copy the whole desktop
SnagIt
When a long webpage or software workflow needs a clear explanation, Snagit can capture the screen and turn the result into an annotated image, video, or step-by-step guide
Loom
Explaining something on screen would be quicker than writing it out
Snipping Tool
Pressing Win + Shift + S opens Snipping Tool’s capture controls over the desktop