Generates a map using 90 degree angle type rooms, squares and rectangles, no cave walls per se.
It might be just me, but the content generator is a bit borked, it seems to populate many of the low level dungeons I generated with a pair of Lawful Good Mountain Dwarves under the heading "Monsters".
There's nothing stopping you from swapping out their suggestions for yours, and while its tuned to 3.5, you can adjust the CR as commonly suggested.
MapForge should be out soon (in a month or two). The Beta has been released, so it's in the final bug-fixing stage of development.
There are ten free content packs (totaling over 1.5 GB in a compressed Zip file) available to start you off. There will be 50 content Add-Ons in all at or around launch. Mostly fantasy, a little modern day and sci-fi. Those latter genres will be getting more content later this year.