I was going to mention that one as well. I was exploring using CLIPS (or something like it) for a system at work and after digging through the free documentatio

I was going to mention that one as well. I was exploring using CLIPS (or something like it) for a system at work and after digging through the free documentation I picked it up. It was an enjoyable read. https://www.clipsrules.net/ https://www.clipsrules.net/