I use different screen capture utilities depending on the type of screen I'm trying to grab. Some are great for a quick and dirty capture of a page I want to send someone. Others are good for annotating an interface I want to post to a web page. And still others are best for archival screen capture or for interfaces with video. Below are the 6 screenshot utilities that Mac users should know about. Don't skip over the first one, because there's a tip in there you might not be aware of.
And finally, a supporting cast member...
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