AGI (Adventure Game Interpreter) is the adventure game engine used by Sierra On-Line(tm) to create some of their early games. Linux AGI Studio is a program which allows you to view, create and edit AGI games. Basically, it is a port of the Windows AGI Studio developed by Peter Kelly.
Linux AGI Studio is covered by the Free Software Foundation's GNU Public License.
Here is the OLD SITE (not updated anymore). For the new version, please go to the agistudio.sourceforge.net.