The gganimate library is a ggplot2 extension that allows to easily create animation from your data. Basically it allows to provide a frame (the step in the animation) as another aesthetic. Note that this course is dedicated to it.
Any customization offered by ggplot2 can be used in gganimate. Here is an illustration using small multiple.
Image Magick is a software that allows to work with images in command lines. You can create and output a set of images doing a loop in
R. Then, give all these images to Image magick and it will convert them into a