Cyphesis is a fantasy MMORPG server, and NPC engine for servers, using AI/A-Life techniques which doesn't have a predefined story. It is the Artificial Intelligence and Artificial Life server/client used by the WorldForge project.

License: free

Additional System Requirements:

• WorldForge::Atlas-C++
• WorldForge::skstream
• WorldForge::wfmath
• WorldForge::Mercator
• WorldForge::varconf
• PostgreSQL
• Python
• readline
• HOWL or Avahi
• GCrypt