CLIPS

A public domain software tool for building expert systems.

Expert System Journal

Scientific journal covering expert and intelligent systems.

Expert Systems

Educational resources on the history and use of expert systems.

FAQ - Expert System Shells

FAQ - Expert System Shells

GitHub - rorchard/FuzzyCLIPS: A fuzzy logic extension of the CLIPS · GitHub

A fuzzy logic extension of the CLIPS. Contribute to rorchard/FuzzyCLIPS development by creating an account on GitHub.

Jess

A rule engine for the Java platform.

Jess, The Rule Engine for the Java Platform

Jess es un motor de reglas y entorno de scripting escrito en Java rápido y eficiente para sistemas expertos.

SHYSTER

case-based legal expert system which provides advice in areas of case law specified using a specially developed specification language

SWI-Prolog

A free implementation of the logic programming language.