The OpenSource Metaverse Project allows anyone to create and publish their own three dimensional virtual world, such as an MMORPG, a social virtual world, or a metaverse. New forums: http://manageddreams.com/osmpbb
TigerMUD's goal is to let anyone create virtual game worlds with our feature-rich MUD engine with easy setup, combat, player housing, city governments, crafting, and more. It is written in C# and supports Access, MySQL, and MS SQL databases.
Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.