ksnip
ksnip the cross-platform screenshot and annotation tool
Ksnip is a Qt-based cross-platform screenshot tool that provides many annotation features for your screenshots. Obfuscate image regions with blur and pixelated. Add effects to the image (Drop Shadow, Grayscale, inverted 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 the clipboard. Run as a single instance application...