What is #OpenDnD? An open letter on the Open Gaming License, to Wizards of the Coast: What is the Open Gaming License? The Open Gaming License (OGL) is a legal framework that allows creators to use the rules and ideas of roleplaying games in their own works. Initially released in 2000 by Wizards of the Coast, it has become a pillar of the tabletop gaming industry, fueling the popularity and accessibility...