Post Kinds, in depth
If you’re looking for a detailed guide to Post Kinds, then read Chris Aldrich’s “Post Kinds Plugin for WordPress“. I’ve been meaning to read this article properly for a little while now to help me better understand how to use Post Kinds more effectively on my site.
A great guide to GPL for WordPress developers
Richard Best has a terrific guide to GPL for WordPress developers along the lines of the famously simple “human readable” Creative Commons license explanations on his site, WP and Legal Stuff, in his post titled “A human readable summary of the GPL“. He actually has two versions, both of which are worth taking a look…