While this is very WordPress centric, there are a lot of discussions here relevant to a broader Indieweb audience about adding new types of posts to your site, trying to design things flexibly(although a developer’s guide is probably needed), etc.
An Indieweb Podcast – Episode 6: WordPress and Types of Posts
In this episode, Chris and I discuss how Post Kinds mapped Indieweb types of posts to the WordPress system and why, the defined as opposed to implied types set up, and avatars.
I sometimes worry about this in regards to the IndieWeb, especially the Post Kinds plugin. Although David Shanske stores it for future use, I feel it would require a significant technical knowledge, which I don’t have.