bananotate is a powerful application that allows you to edit and annotate your screen live. Zoom in, highlight, draw shapes, add text, capture your screen, create mock UI, and much more.
HoverScribble Alternatives
HoverScribble is described as 'Lightweight screen annotation tool for Windows. Draw on your screen over any application with fading ink, spotlight mode, laser pointer, and shapes. Perfect for presentations, teaching, and streaming' and is a digital painting tool in the photos & graphics category. There are more than 25 alternatives to HoverScribble for a variety of platforms, including Mac, Windows, Linux, Python and PortableApps.com apps. The best HoverScribble alternative is CapyCursor, which is free. Other great apps like HoverScribble are Epic Pen, ZoomIt, gInk and Screen Marker and Recorder.