The time of Archmages will be an open-source MUD game.
Players can be connected to the game server using either a special client or through IRC or they can use a Web-interface. This means that a player can reach the server from virtually any platform.
The Aesir project is an open source framework for Massively Multiplayer Online game servers developed using the Microsoft .NET platform in C#, and in essence a rewrite of the current Athena project.