ANDF is definitely under-appreciated. If it had gained more traction, it might have gotten us to "write once, run everywhere" with adequate performance earlier

ANDF is definitely under-appreciated. If it had gained more traction, it might have gotten us to "write once, run everywhere" with adequate performance earlier than actually happened with Java. The basic ideas were fundamentally sound, and worked out to an impressive degree for that time. Unfortunately, few nowadays would be able to see that past some superficial details that seem dated to those blessed with hindsight.