When comparing Gnome Screenshot vs Flameshot, the Slant community recommends Flameshot for most people. In the question“What are the best screenshot programs for UNIX-like systems?” Flameshot is ranked 1st while Gnome Screenshot is ranked 7th. The most important reason people chose Flameshot is:
Pin screenshots on screen so that you won't have to scroll up and down to find something in a long document all the time.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Quick and easy screen capture, flawless
Captures either whole screen, current window or selected area. Fast and clean.
Pro Lightweight
Takes only 6MB memory to install and leaves small footprint on system.
Pro Takes screenshots with keyboard shortcuts
Grabbing screenshots is easy with the shortcuts:
Prnt screen key to take a screenshot of desktop
Alt+prnt screen keys to take a screenshot of a window
Shift+prnt screen keys to take a screenshot of an area you select
Ctrl key for copying the screenshot image into clipboard
Pro Simple and sober GUI
Doesn't contain too many options in GUI which can confuse beginners.
Pro Default screenshot program in many distros
Debian, MXLinux, Ubuntu and many other distros use it as their default screenshot program.
Pro Pin tool
Pin screenshots on screen so that you won't have to scroll up and down to find something in a long document all the time.
Pro Edit and copy on the fly
Write texts, draw rectangles, circles, and arrows on a screenshot and copy all on the fly or save the edited picture to disk. You can change colors, sizes and widths of all the elements the tool provides.
Pro Upload to Imgur
Take a screenshot and upload to Imgur with a click.
Cons
Con Doesn't always work with fullscreen videos
Con No editing
Cannot edit the screenshots, can only capture whole screen, current window or selected area.
Con No delay for area shot
It can not add a delay for an area shoot.
