Single-assignment

Dataflow
State/flow
Functional

Exploring language family "Polymorphic"

ForceEpsilon    1989 Polymorphic   Canada    
mLucid    1993 Polymorphic   Canada   Indexical Lucid 
muFP    1984 Polymorphic   United Kingdom   VLSI functional language 
NAKL    1982 Polymorphic   United States   Dataflow lagnuage