Apps similar to Image Snatcher include Gyazo, which has a free version. Other options are Capture and Capture View. In total there are three Screenshot Capture Tools like Image Snatcher for Windows, Linux and Mac.
Gyazo lets you instantly grab the screen and upload the image to the web. You can easily share on Chat, Social, Email, or anywhere!
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Capture is a quick-and-easy screen capture utility for Windows (and NT), which allows you to capture the entire screen, at any color depth and resolution, and save it into a Bitmap file for editing. If you are interested in only capturing one window, you can select to capture...
