Modula-3 Modula-3 is yet another OOPL designed with certain principles in mind. These were: (1) Modules and interfaces (hence the name) (2) Explicit marking of unsafe code (3) Automatic garbage collection (4) Strong typing (5) Exceptions (6) Threads (7) Generics [Source: Wikipedia] Modula-3 (successor to Modula-2) was created by Luca Cardelli, Jim Donahue, Mick Jordan, Bill Kalsow and Greg Nelson, all of whom were at DEC in 1988.