City of Brass is an open-source web app for managing all your tabletop RPG needs. Create characters, adventures, worlds, and more!
City of Brass
Roll 20 Spell List
Roll 20 virtual tabletop system for playing online
D&D Beyond
The Most Convenient Online Resource For D&D Players Available – From Books To Builders! All Of The Latest D&D Content Available In Digital Format & Shareable With Up to 36 Others. New Player Guide. Official D&D Toolset.