Multiple images in single repo -or- one image per repo

I will be uploading images that contain software that is related to each other, yet also work when using it apart. One of the project goals however was to make it easier to have this software talk with each other where needed.

What is your take?
Put it all in one repo with tags like ‘software1-v1.2.3-b2’ -or- let each image have its own repo?