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Overseer Studio

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Overseer Studio is a modern, desktop based "Digital GM Screen" designed to solve the problem of browser tab bloat and fragmented software during tabletop sessions. Developed by Tom (the creator behind Astral TableTop and dddice), it is an offline first application that allows Game Masters to consolidate all their digital tools—including VTTs, PDFs, and web browsers—into a single, infinitely customizable workspace. It is currently moving through its Early Access phase in mid 2026, positioning itself as the ultimate organizational layer for the modern "hybrid" or online GM. Description Overseer Studio is not a Virtual Tabletop; rather, it is a "tool for your tools." It provides a modular canvas where a GM can embed windows for D&D Beyond, Spotify, Obsidian, and Roll20 side by side. By using a system of "tiles," GMs can create custom layouts that fit their specific workflow, switching between different "screens" with keyboard shortcuts. Because it is a local desktop application that requires no subscription or internet connection to run, it offers a level of stability and privacy that cloud based alternatives cannot match. System Overview & Key Features

Infinite Modular Canvas The core of Overseer is an infinite workspace where you can place "tiles." These tiles can contain anything from a simple notepad or a PDF viewer to a fully functional web browser. You can resize, group, and tab these tiles together to create the perfect command center for your specific campaign.

VTT and Tool Embedding Overseer is designed to play well with others. You can natively embed Foundry VTT, Roll20, or Owlbear Rodeo directly into your screen. This allows you to manage your map and tokens in one tile while keeping your campaign notes and creature stat blocks visible in another, eliminating the need to Alt-Tab between programs.

Offline First Architecture The application runs entirely on your hardware (Windows, macOS, or Linux). This ensures that your game is never interrupted by server outages or slow internet speeds. Your data remains on your machine, giving you total ownership over your preparation materials.

Pop-out Player Sharing While the software is for the GM, you can "pop out" any tile—such as a map, a piece of concept art, or a video—into a separate window. This window can then be shared via Discord or Zoom, or cast to a physical TV for in-person groups, allowing you to control exactly what the players see.

Extensible Plugin SDK For power users, Overseer features a robust SDK. Extensions are built using standard web technologies (HTML/JS), allowing the community to create custom dice rollers, soundboards, or automation tools that can "talk" to each other across different tiles within the session.

One Time Purchase Model In a market dominated by monthly fees, Overseer Studio is a "buy once, own forever" product. There are no account requirements or hidden subscriptions, and all future updates are included in the initial purchase price, making it a highly cost effective solution for long term GMs.