https://markuphero.com/
Markup Hero - Free Screenshot & Annotation Tool
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https://shottr.cc/
Shottr – Screenshot Annotation App For Mac
Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.
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https://serverhost.com/blog/introducing-gradia-the-sleek-new-screenshot-annotation-tool-for-linux/
Introducing Gradia: The Sleek New Screenshot Annotation Tool for Linux - ServerHost Hosting...
Jun 9, 2025 - Taking screenshots on Linux is simple, but enhancing them for visual appeal can be more complex. Gradia emerges as a solution, not just for capturing...
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