Critical Mass Modula-3
Critical Mass Modula-3 is an implementation of Modula-3.
Other implementations of Modula-3.
Critical Mass Modula-3 is an example of a compiler. You may find the programming tasks that have been solved using it here.
Critical Mass Modula-3 is an open source implementation of Modula-3 originally created by Critical Mass.
CM3 is the 'main' Modula-3 implementation currently.
There is very little C code in the implementation, even in the runtime.