TechSmith Snagit 3.3.0.dmg (MAS)

Snagit lets you create an image of what you see on your computer monitor. Features:

Flexible options that let you capture only what you want.
Annotation varieties like arrows, speech bubbles, and more make it easy to customize your capture.
Versatility in what you do with your capture. Send it to your favorite app, share it online, or save it for later.