• GNU Prolog for Java is an implementation of ISO Prolog as a Java library (gnu.prolog).
• exercism / Prolog

• Logtalk is an object-oriented logic programming language that extends and leverages the Prolog language with a feature set suitable for programming in the large.

• Prolog Programming for Artificial Intelligence by Ivan Bratko

• Jon Pearce
  • Lectures
    • Prolog