I had a thread about these tools on the WOTC forums. I will replicate the links here:
[h=3]DM Tools:[/h]
[h=3]DM Tools:[/h]
- Encounter Difficulty Calculator
- Treasure Generator
- NPC Generator
- Settlement Generator
- Building Generator
- Tavern Generator
- Location-Based Adventure Generator
- Villain Generator
- Dungeon Idea Generator
- Wilderness - Monument Generator
- Wilderness - Weird Locale Generator
- Wilderness - Weather Generator
- World-Shaking Event Generator
- Advanced Weather Generator
- Quick Monster CR Calculator
- Monster Stat Generator
- NPC Name Generator