A portable, offline-first Dungeon Master tool designed specifically for dual-monitor setups. Manage combat, branching timelines, and player projections without internet.
Everything you need to run immersive sessions, right at your fingertips.
Drag & drop NPCs, items, or maps to instantly project them to a second screen for your players. Multi-image split view supported.
Draw fog to hide secrets and erase it to reveal rooms. State persists per encounter automatically.
Support for local video files (.mp4, .webm) to create immersive, moving battlegrounds that breathe life into combat.
Layered music system with intensity sliders (Base, Low, High) and instant SFX. Import your own custom tracks and themes.
Map-based tracker for stories with branching paths, travel lines, and session-linked events.
No internet? No problem. All data is stored locally in high-speed MsgPack format. Portable and secure.
A peek into the toolkit.
Join other DMs enhancing their table with the Dungeon Master Tool.
Automated installation via script.
git clone https://github.com/elymsyr/dungeon-master-tool.git cd dungeon-master-tool bash installer/install.sh
Since this is an open-source project and not signed with an official Apple Developer account, you need to manually bypass the "unverified developer" warning.
Extract the downloaded .zip file.
Drag DungeonMasterTool.app to your Applications folder.
Open Terminal (Cmd + Space, type 'Terminal') and run the following command to remove the quarantine flag:
sudo xattr -rd com.apple.quarantine /Applications/DungeonMasterTool.app
Launch: You can now open the app from your Applications or Launchpad.
For Apple Silicon & Intel Macs.
Live plans straight from our drawing board.