There are many alternatives to Flameshot for Linux if you are looking to replace it. The most popular Linux alternative is 
Spectacle, which is both free and Open Source. If that doesn't suit you, our users have ranked 20 alternatives to Flameshot and eight of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Flameshot are 
ksnip (Free, Open Source), 
Gyazo (Freemium), 
ScreenCloud (Free, Open Source) and 
KSnapshot (Free, Open Source).
Powerful yet simple to use screenshot software for Linux. If you're looking for more info about Flameshot like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.
Spectacle is a simple application for capturing desktop screenshots. It can capture images of the entire desktop, a single monitor, the currently active window, the window currently under the mouse, or a rectangular region of the screen. The images can then be printed, sent to other applications for manipulation, or quickly be saved as-is. Features: Capture Entire Desktop. Capture Current Monitor. Capture Active Window. Capture Rectangular Region.
# Features: Latest ksnip version contains following features: * Supports Linux (X11 and experimental KDE and Gnome Wayland support), Windows and MacOS. * Taking screenshot of a custom rectangular area that can be drawn with mouse cursor. * Taking screenshot of the screen/monitor where the mouse cursor is currently located. * Taking screenshot of full screen, including all screens/monitors. * Taking screenshot of window that currently has focus.
Gyazo lets you instantly grab the screen and upload the image to the web. You can easily share on Chat, Social, Email, or anywhere! Review and edit your images online at https://gyazo.com/history and on your iPhone with the Gyazo app. Gyazo Ninja (https://gyazo.com/premium/ ) upgrades Gyazo to also include a full image history, rich editing tools, no ads, and more.
ScreenCloud is an easy to use screenshot sharing application. Take a screenshot using one of the 3 hotkeys or simply click the ScreenCloud tray icon. You can choose where you want to save your screenshot. If you choose to upload your screenshot to the screencloud website, a link will automatically be copied to your clipboard. You can share this link with your friends or colleagues via email or in an IM conversation. All they have to do is click the link and look at your screenshot.
In December 2015, KSnapshot has been replaced by Spectacle.
This application allows you to capture the entire screen, the active window or a selected region. You can set the delay that elapses before the screenshot is taken and the action that will be done with the screenshot: save it to a PNG file, copy it to the clipboard, open it using another application, or host it on ZimageZ, a free online image hosting service.
* Take a screenshot * Edit it with various tools (like draw with pen, add shapes, select area, cut, copy, paste, add text, etc.) * Save image or * Upload image to various online hosting sites
Finding a good program for screenshots is not the easiest task, right? So that quickly worked, gave the opportunity to edit screenshots and immediately placed them on some reliable hosting. We hasten to please: your searches are completed, you can download a convenient screenshot right here - officially and for free. Now you will always have Joxi - ultra-fast service for sharing screenshots and files over the network.
