Sather: Sather is an object oriented language designed to be simple, efficient,
safe, flexible and non-proprietary. One way of placing it in the "space of
languages" is to say that it aims to be as efficient as C, C++, or Fortran, as
elegant as and safer than Eiffel, and support higher-order functions and
iteration abstraction as well as Common Lisp, CLU or Scheme. Last modification on October 22 1999.
Objective CAML: An object oriented subset of the CAML functional
language. Last modification on October 27 2000.
Cecil/Vortex: a language-independent optimizing compiler back-end for OO languages. Last modification on October 14 2000.
Demeter: an object-oriented software development method. Last modification on December 22 2000.
TOM: Object language, similar to objective-C. Last modification on November 26 2000.
Marlais: an object-oriented dynamic language. Last modification on February 12 1996.
BETA System: modern object-oriented language. Last modification on December 15 2000.
Gbeta: an interpreter for a generalization of the programming language BETA.
You can download it, and the source code is freely available under the GPL
copyright. Last modification on February 7 2000.
Blue: Blue is an object-oriented programming language that was developed
especially for teaching. It runs in an integrated programming environment that
includes a graphical program structure editor, a text editor, a debugger, a
library browser, and more. It was developed for teaching obect-oriented
concepts to first year students. Last modification on January 14 2000.
b2c: a compiler which reads BETA and translates it to C. Last modification on July 9 1997.
Portable Object Compiler: Objective-C compatible precompiler for use with C or C++ compilers. Last modification on September 19 1999.