Кроссплатформенный инструмент для создания снимков экрана - Qt based cross-platform screenshot tool that provides many annotation features...
[ О приложении ]

* Supports Linux (X11, Plasma Wayland, GNOME Wayland and xdg-desktop-portal Wayland), Windows and macOS.
* Screenshot of a custom rectangular area that can be drawn with mouse cursor.
* Screenshot of last selected rectangular area without selecting again.
* Screenshot of the screen/monitor where the mouse cursor is currently located.
* Screenshot of full-screen, including all screens/monitors.
* Screenshot of window that currently has focus.
* Screenshot of window under mouse cursor.
* Screenshot with or without mouse cursor.
* Capture mouse cursor as annotation item that can be moved and deleted.
* Customizable capture delay for all capture options.
* Upload screenshots directly to imgur.com in anonymous or user mode.
* Upload screenshots via FTP in anonymous or user mode.
* Upload screenshots via custom user defined scripts.
* Command-line support, for capturing screenshots and saving to default location, filename and format.
* Filename wildcards for Year ($Y), Month ($M), Day ($D), Time ($T) and Counter (multiple # characters for number with zero-leading padding).
* Print screenshot or save it to PDF/PS.
* Annotate screenshots with pen, marker, rectangles, ellipses, texts and other tools.
* Annotate screenshots with stickers and add custom stickers.
* Crop and cut out vertical/horizontal slices of images.
* Obfuscate image regions with blur and pixelate.
* Add effects to image (Drop Shadow, Grayscale, invert color or Border).
* Add watermarks to captured images.
* Global hotkeys for capturing screenshots (currently only for Windows and X11).
* Tabs for screenshots and images.
* Open existing images via dialog, drag-and-drop or paste from clipboard.
* Run as single instance application (secondary instances send cli parameter to primary instance).
* Pin screenshots in frameless windows that stay atop other windows.
* User-defined actions for taking screenshot and post-processing.
* OCR support through plugin (Window and Linux/Unix).
* Many configuration options.

Репозиторий: Snap