Official D&D combat encounter building tool.
D&D Beyond: Encounter Builder
Chaotic Shiny Art Generator
Generate batches of random art objects, everything from tapestries to sculptures and oil paintings.
D&D Beyond: Lore
Articles are written on different subjects regarding canon D&D lore.
Fandom: D&D Lore Wiki
A website collecting information on all canon lore in the D&D universe.
Chartopia
Discover, create and manage your random table and random generator collection. Leave your massive book collection at home and let Chartopia simplify the complexity of dice rolling so that you can concentrate on the story. Find out more of what Chartopia has to offer.
Effects On Magic Items Generator
Online reference and tables for creating and awarding magic weapons for your D&D campaign.
2-Minute Tabletop
Hand-drawn battle maps and art assets
Drugs for D&D
Online generator for creating addictive drugs for your next Dungeons & Dragons campaign.
1d4chan D&D Campaign Settings
A list, including links to more info, of all the published D&D campaign settings as well as some notable 3rd party settings
D&D Beyond
Used for character building and long term management