Diablo 4 Character Skill Tree Calculator, Interactive Map, Build Planner
d4planner.io
D4Planner is a tool to help you plan and share your Diablo IV character builds, and discover powerful builds created by others. Use the interactive map to locate and track Altars of Lilith, Quests, Dungeons, Aspects, Events, and Bosses

D4Planner’s interactive map now has push notifications for World Bosses and Helltide. The notifications are available on the web based version, the Android app, and will be coming to iOS in the near future.