D&D Generators - Kassoon.com
https://www.kassoon.com/dnd/generatorsDungeons and Dragons Generators. Most of these should be compatible with any version of D&D or other rpgs, but if it's for a specific version it'll say so. Dungeon Module Generator - Generates a dungeon module with everything you need in a single easy-to-read page. Including detailed room descriptions, traps, puzzles, and encounters.