Yesterday I got a pivot animation software called Stykz. It is really easy to use, and I have already made a few simple animations with it. I recommend this software, and I think I am going to use it a lot. Here is the link to get it http://www.stykz.net/.
You can watch my animations here: https://drive.google.com/drive/folders/152JHbOYe5Vb2GLADgL7XPFDjSEA0r5H1?usp=sharing