A free and open source screen drawing application available for Mac users.
What makes xannotate great is that it takes no arguments and starts immediately without any feedback. This means that you can dive right into annotating without any delays. All you need to do is use your mouse's Button 1 to scribble.
When you're done with your annotations, you can exit silently by pressing the Escape key. Plus, you can even bind a function key in your window manager to invoke xannotate during a demo. This makes it a flexible and convenient tool for anyone who needs to annotate on-screen content.
Overall, xannotate is a reliable program that is easy to use and fulfills its purpose well. With its simplicity and open source nature, it's definitely worth trying out for your next demo or presentation.
Version 1.0: N/A