1. SRI 1973. General problem solving, influenced by PLANNER. QA4 features merged with INTERLISP.

["QLISP - A Language for the Interactive Development of Complex Systems", E. Sacerdoti et al, NCC 45:349-356, AFIPS, 1976].

2. A parallel LISP.

["Qlisp", R. Gabriel et al in Parallel Computation and Computers for AI, J. Kowalik ed, 1988, pp.63-89].