Hiya! I made 29 templates (with plans to add more over time) for the notetaking program Obsidian (though they can be used in any markdown program). They're purposefully overdetailed to give a plethora of options and inspirations while making worlds for novels, campaigns, and games :). And so you can make your own templates if you so wish.

Here's the link to the page.

Here's the overview and guide video: