Delvewright: Dungeon Maps from the Tiles You Own

Why it surfaced

Delvewright treats your actual tile collection as a hard constraint: place a tile and that copy is gone across every storey of the dungeon. It is unusually candid about its remaining limitation too—the editor does not yet know that two images may be opposite faces of the same physical tile.

A free browser map editor for Realm Brew hex tiles that checks edge matches, tracks your physical inventory, and keeps room notes across multiple dungeon levels.