Interpreters

• SWI Prolog - very function Prolog interpreter with GUI and more
• YAP - the Prolog on studsys, fast, many modules, no graphics
• Ciao Prolog - another very full featured interpreter
• JavaLog - a Prolog interpreter implemented in Java.

Tutorials

• Prolog Tutorial by J. R. Fisher
• Prolog Tutorial by Tamsin Treasure-Jones
• Prolog Programming: A First Course by Paul Brna
• Adventure in Prolog by Amzi! inc.
• Prolog and Logic Programming by Dr. Peter Hancox
• Prolog Programming Tutorial I
• Prolog: A Tutorial Introduction by James Lu and Jerry Mead
• Prolog Tutorials by James Power and Alex Monaghan