This is the WorldSim wiki. I will put some more in-depth information here, including code documentation and also features.

You can navigate using the sidebar on the right.

The World Generator:

The World Simulator:

A tribal territory overlay of the World Simulator:

A zoomed-in view. You can see some tribe units:

My game supports tilesets, however it is very basic at the moment:

Every global tile has a local map of 3,000x3,000 tiles. Here we can see one of the local maps being rendered. It's a bit hard to see anything because we are zoomed out so far:

If you are interested in procedurally generated worlds, then you should also look at Dwarf Fortress and UnReal World. They are both free.