shotgun (screenshot utility) is described as 'shotgun can take a PNG of the screen, a specific window or a custom area. Minimal and fast' and is an app in the Photos & Graphics category. There are five alternatives to shotgun (screenshot utility) for a variety of platforms, including Windows, Linux, Online / Web-based, Microsoft Edge and Google Chrome. The best alternative is Snagit. It's not free, so if you're looking for a free alternative, you could try Nimbus Screenshot or maim. Other great apps like shotgun (screenshot utility) are Gnome Screenshot (Free, Open Source) and Hyperdesktop (Free, Open Source).
Capture or record any part of your screen. The editor will help you to annotate or blur sensitive info. Fast upload and share with the Short URL. Access screenshot and video recordings from iPhone, iPad or Web.
GNOME Screenshot is a utility used in the GNOME desktop environment for taking screenshots. It was part of the GNOME Utilities (gnome-utils) package, but was split into its own package for the 3.3.1 version in 2011.
Other than being an uploading tool for Imgur, it also allows you to take screenshots and perform simple editing functions on them. You can capture the complete screen or a selected region of your screen.