Overseer Studio

Overview

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.
Additional links overseer.studio https://overseer.studio - Official Overseer Studio website discord.gg https://discord.com/invite/KcshKEjFnf - Official Discord for beta testing and development updates

Other entries

Dungeons & Dragons 5e (2014)
Tabletop Roleplaying Games

Dungeons & Dragons 5e (2014)

TTRPG
Beginner-friendly
High-Fantasy
Dungeons & Dragons 5th Edition (D&D 5E) burst onto the scene in 2014, taking a game that’d been around since the ‘70s and giving it new life. After a huge public playtest called "D&D Next," the creators wanted to smooth over old division and give everyone — whether you’re an old-school fan or totally new — a game that feels both classic and modern. D&D quickly stopped being just a niche hobby and it started becoming more popular, showing up everywhere: streams, podcasts, and mainstream pop culture (Community, Stranger Things, D&D movie). In 2024 the game system was given a major overhaul, providing smaller changes and fixes to various parts of the game. This is now known as Dungeons & Dragons 5.5 Edition (2024) Description In D&D 5E, the players create fantasy adventurers. From elven rogues to dragonborn paladins, while one player takes up the role of the Dungeon Master (DM). The DM is the one who builds and describes the world, acts and voices the non-player characters and controls the monsters and the world around them, acting as both the lead storyteller and generally the rules referee. The heart of 5E is “rulings over rules.” Instead of pages of complicated charts, the DM is encouraged to make quick calls and keep things moving, not letting rules stop the game in it's tracks. The game is built on the "Three Pillars": Combat, Exploration, and Social Interaction.  System Overview & Key Features The Core d20 Mechanic The resolution system is unified and straightforward. To attempt almost most action where the outcome is not clearly obvious and there is a chance for failure, the player rolls a 20-sided die (d20), and adds the relevant modifier (either from their main stat or their skill bonus) and the DM's set Difficulty Check (DC) determines whether the attempt was a success or a failure. Advantage and Disadvantage This is 5E’s defining innovation. Instead of making players calculate a dozen tiny modifiers (+2 for high ground, -1 for rain, +1 for a spell etc), the system or the DM simply declares whether the character has Advantage or Disadvantage on said roll. The player rolls two d20s and takes the higher result (Advantage) or the lower result (Disadvantage) and adds the necessary modifiers to the result. Bounded Accuracy In older editions, numbers got out of hand fast. With 5E the numbers increase at a reasonable rate. Armor Class (AC) and attack bonuses rise slowly, so even high-level adventurers aren't always guaranteed to overcome a bunch of goblins. Most encounters can still be a challenge, especially if the amount of enemies is high. The Proficiency Bonus A single, scaling number (starting at +2 and ending at +6) represents the character's training and experience. If a character is trained in using a weapon type, a skill (like Stealth), or a saving throw, they simply add their Proficiency Bonus to the d20 roll. Backgrounds Roleplaying your character is starts already at the character creation. Picking a Background (like Acolyte or Criminal) gives you extra skills and story hooks: Personality Traits, Ideals, Bonds, Flaws, all concrete details to play with. Resource Management (Rests) The game manages health and class abilities through a system of "Short Rests" (a quick one-hour break to spend Hit Dice and regain some abilities) and "Long Rests" (a full eight hours of downtime to completely heal and restore all spell slots and abilities). Subclasses While players pick a primary Class (like Wizard) at level 1, they branch off into specialized Subclasses (like the School of Evocation or the School of Illusion) typically between levels 1 and 3, allowing for deep customization while presenting progression through incremental steps as the character grows and levels up Additional links dungeonsanddragons.com - Official Dungeons & Dragons website Basic Rules (2014)  - D&D 5E free rules

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Green Ronin Atomic Assembly Discord
Communities

Green Ronin Atomic Assembly Discord

English
Discord server
Mutants & Masterminds
Official Discord server for Green Ronin Publishing. For players of systems like Mutants & Masterminds, The Expanse RPG, Valiant Adventurers RPG, Cthulhu Awakens RPG, Modern AGE RPG, The Fifth Season RPG, Fantasy AGE RPG and many others. Links Discord server invite

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Dungeon World
Tabletop Roleplaying Games

Dungeon World

TTRPG
English
Rules-light
Dungeon World is a tabletop fantasy roleplaying game created by Sage LaTorra and Adam Koebel. The game uses the Powered by the Apocalypse engine. The game is advertised as having old school style with modern rules. The game uses six ability scores (Strength, Dexterity, Constitution, Intelligence, Wisdom, Charisma) and a character class model with choices of Bard, Cleric, Fighter, Immolator, Paladin, Ranger, Thief, or Wizard. System Overview & Key Features Classic Fantasy Adventure Explore a land of magic and danger in the roles of adventurers searching for fame, gold, and glory. Delve into goblin holes or chance a dragon's lair. Dungeon World takes classic fantasy and approaches it with new rules. Talk About What Matters Dungeon World's simple rules happen based on what's happening within the game, so you spend more time talking about the action and less time talking about the rules. Gamemaster's Toolkit Running a game shouldn't be a pain. Dungeon World gives the GM all the tools to run a game quickly and easily. Fronts help you keep the world around the players living and evolving. Moves are ways to drive your game forward. And your Agenda keeps you on track. No Dead Ends The rules always drive the action forward in unexpected ways. Rolling the dice always leads to an interesting outcome. Award-winning Design Dungeon World has won an Ennie for Best Rules, a Golden Geek for Best RPG, and an Indie RPG Award. Open License The text of Dungeon World is released under a Creative Commons Attribution license. You can make, distribute, and even sell anything you like based on Dungeon World. Additional links dungeon-world.com - Official website

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