There are quite a lot of tools that are really useful. There are a lot of things that we can do with such common automation tools available. AutoIT is one of such tools which are really interesting to learn. I would suggest that anyone with experience in automation, should go through the tool once.
Here I am presenting a screen Grabbing software that I made with the help of AutoIT. Hope that it helps in some way or the other. Download the Screen Grabbing software Here.