One page for each tool: what it does, how to start, how to do the common things, and what is not finished yet.
Desktop app
A private campaign workspace on your own computer: people, places, stories and the table.
Web app
A browser console for running a 5e table: party, initiative, conditions and Roll20 control, kept in step with D&D Beyond.
Browser connector
A Chrome extension that connects the DM Screen to your D&D Beyond sheets and your Roll20 game, using your own signed-in tabs.