AI Programming Languages

• Lisp
• Downloads
  
• Allegro Common Lisp (Free Trial version for Windows, Linux and Mac)
• CMU CL (Linux)
  
• MCL (mac) (free demo version)
• OpenMCL (free)
• clisp (free mac linux windows)
• General Info: 
  
• Marty Hall's page
  
• Prolog
• Downloads
• Sicstus (free 1 month  demo)
• SWI Prolog
• General Info
• thefreecountry.com
• Soar

Dialogue System Toolkits

• CSLU Toolkit (OGI)
• TrindiKit
• CSLR Toolkit (with Communicator System)

Pages of Links:

• Staffan Larssen's
• Dan Bohus's