THE Journal: "Realityworks teaches business education with online simulation games" - including The Business Game, The Entrepreneurship Game, and The Finance Game
Wiggio: communicate via group email, text, and/ore voice messages; poll the group, host web meetings, keep shared calendars, store and edit files, keep track of group tasks
Postica: "create.attach.share" - create and distribute notes, reminders, and files. Upload files, photos, etc. to your sticky notes & share them. Integrates both Twitter & Google Docs.
Lee Sheldon's game design class at Indiana University is created AS A GAME - students have avatar names, create projects in their guilds, and earn xp for their grades.