Lagoona
Univeristy of California at Irvine
A language for modular programming in the tradition of Modula-2 and Oberon. In addition to modular compilation and strong typing, it has "stand-alone messsages which can be sent to arbitrary receiver objects."
"The Programming Language Lagoona: A Fresh Look at Object-Orientation", Michael Franz, Software Concepts and Tools, 18:14-26 (1997).