GM-Copilot Studios: The Masterwork Engine

Foundry VTT is a self-hosted, modern virtual tabletop application that revolutionized the digital RPG space upon its release in 2020. Developed by Andrew Clayton, it recently celebrated its five-year anniversary with the launch of Version 13. Unlike its subscription-based competitors, Foundry provides a powerful, high-performance environment that runs in a web browser while giving the Game Master total control over their data and hosting. It is widely considered the "Gold Standard" for power users and tactical GMs. Descripion Foundry VTT is built on modern web technologies (Node.js and WebGL), allowing for hardware-accelerated visuals that outclass almost any other browser-based platform. It is a "buy-once, own-forever" product where the GM hosts the server locally or via a cloud service, and players connect for free through their browser. Its true strength lies in its modularity; with thousands of community-made modules, a GM can transform the software from a simple dice roller into a fully automated, cinematic video-game-like experience.

Roll20 is the most widely used browser based virtual tabletop in the world, launched in 2012 following a successful Kickstarter campaign. Developed by Riley Miller, Nolan T. Jones, and Richard Zayas, it was designed to break down the barriers to tabletop gaming by requiring zero installation and offering a robust free to play tier. It remains the industry leader in total user base, hosting millions of games across nearly every imaginable tabletop system. Description Roll20 is the "everyman" of virtual tabletops, prioritizing accessibility and ease of use. Because it runs entirely in the cloud, players and Game Masters can start a session in seconds from any modern web browser. It features an integrated marketplace where users can purchase official rulebooks, adventures, and art packs that integrate directly into their campaigns. While it offers advanced features like dynamic lighting, its primary appeal is its massive community and the simplicity of its "pick up and play" nature. System Overview & Key Features No Installation Required Unlike many of its competitors, Roll20 requires no software downloads or server configuration. The Game Master simply creates a room on the website and shares a link. This makes it the ideal choice for groups with varying levels of technical expertise. Integrated Character Sheets Roll20 features thousands of community and official character sheets that handle the math for you. Clicking an attribute or a weapon on your sheet automatically sends the roll to the chat window, applying modifiers and calculating critical hits instantly. The Roll20 Marketplace The platform boasts the largest digital storefront in the industry. You can buy modules for D&D, Pathfinder, Call of Cthulhu, and more, which come pre loaded with maps, tokens, and journals, drastically reducing a Game Master's preparation time. Dynamic Lighting and Layering Subscribers gain access to a powerful lighting system that restricts what players can see based on their character's line of sight. The Game Master can easily manage different layers for maps, tokens, and hidden notes that only they can see. Built in Video and Voice Roll20 includes its own integrated WebRTC video and voice chat system, allowing groups to see and hear each other without needing to run third party software like Discord alongside their game window. Jumpgate Technology Introduced in 2024 and 2025, the "Jumpgate" update overhauled the core engine to provide a much smoother, high performance experience. It improved frame rates, reduced loading times, and modernized the interface to compete with newer, hardware accelerated platforms. Additional links roll20.net - Official Roll20 website and Virtual Tabletop marketplace.roll20.net - Official Roll20 Marketplace for assets and modules

A portable, offline-first DM tool built with Flutter. Manage combat, track timelines, and project a rich campaign wiki seamlessly on any device.

The Expanse RPG is based on the exciting new Modern AGE rules-set, and includes many of its features, such as customized character building using Backgrounds and Professions, Drives for character engagement, and an abstract resources system. It also makes use of the Modern AGE approach to action, exploration, and social encounters, complete with stunts and systems for all of them.

Transform every tabletop game into an unforgettable experience with Rolify, the ambient sound and music mixer built specifically for Dungeon Masters, Game Masters, and RPG players who want their sessions to feel alive. Whether you're running a classic Dungeons & Dragons campaign, a Pathfinder adventure, a horror one-shot, or any tabletop RPG, Rolify gives you full control over the atmosphere. Layer multiple looping sounds simultaneously, from crackling fireplaces to distant thunder, murmuring tavern crowds to eerie dungeon echoes, and watch your players get pulled straight into the world you've built. WHY DUNGEON MASTERS LOVE ROLIFY Great storytelling isn't just about words, it's about immersion. A well-placed sound effect can turn a simple description into a heart-pounding moment. With Rolify's layered soundboard, you can mix ambient background noise, sound effects, and your own music tracks in real time, without ever breaking the flow of your session. Combine sounds your way: a crackling hearth, murmuring voices, a bard strumming in the corner, and your players will feel like they've truly stepped into a fantasy tavern. Add rain and thunder for a stormy night ambush, or a low ominous drone for a boss encounter. The only limit is your imagination. PERFECT FOR EVERY TABLETOP RPG Rolify works great for Dungeons and Dragons (D&D 5e), Pathfinder, Call of Cthulhu, Vampire the Masquerade, Warhammer, and any homebrew or fantasy tabletop RPG. It's designed for Game Masters and Dungeon Masters who want professional-quality ambient sound without complicated software or a subscription fee. MORE THAN A DND SOUNDBOARD Beyond the gaming table, Rolify doubles as an ambient sound mixer for relaxation, focus, and sleep. Combine rain, fireplace crackle, wind, and white noise to build a calming soundscape for studying, meditating, or drifting off at night. If you love ambient noise apps, nature sound mixers, or sleep sound machines, Rolify's flexible layering gives you that same power, tailored to fantasy and RPG settings too. HOW IT WORKS Browse the built-in sound library or upload your own tracks Tap to start playing any sound in a continuous loop Layer as many sounds as you want, adjusting the volume for each one Save your favorite combinations as playlists Recall any atmosphere instantly during your next session

Eclipse Phase is a detailed science-fiction exploration of uncertain futures. It investigates the nature of transhumanity as it transforms itself, physically and mentally, into something posthuman. It balances the immense dangers of advanced technologies with a vision of how we can negate these risks and enhance our capabilities to improve and prosper as a species. Description Transhumanity stands on the terminus of evolution and extinction. With the ability to upload our minds and nanofabricate almost anything, death and scarcity were nearly defeated. Then a war against super-intelligent AIs infected with an alien virus wiped out 95% of the population. Earth is a ruined wasteland, overrun by machines. The remnants of transhumanity—bio-engineered humans, uplifted animals, and infolife—expanded throughout the Solar System. The AIs left behind a network of wormhole gates that we now use to explore and occupy distant exoplanets. A new cabal of hypercorps and oligarchs seek to preserve outmoded political and economic systems, while patchwork factions of radical scientists and techno-anarchists experiment with new social models, from each according to their imagination and to each according to their need. /images/general-media/1779972799_ox7h9OdI.jpg Characters switch their bodies—called a morphs—at will. Choose from genetically-modified transhumans, synthetic robotic shells, uplifted animals, or digital infomorphs, optimizing your capabilities for specific missions. Your character’s mind and memories are backed up and can be restored if you die—a built-in system of “save points” and functional immortality. Characters are skill-based, with no classes, so players can customize their team roles and specialize in fields of their choosing. A package-buy system enables quick character creation and customization while also defining elements of your character’s background. Gear and morph tracking is simplified with the use of gear packs and points for each mission. Links eclipsephase.com - Official website eclipsephase.com - Quick-Start Rules discord.gg - Discord server patreon.com - Patreon page