Communication with other languages via wrappers

[seany via Digitalmars-d]

I am starting this thread to quench my thirst for knowledge.
I notice, that the existing wrappers to other languages are:

C                : D can natively interface to C
C++              : Some interfacing possible
Lua              : There is LuaD and DLua
Objective C      : This : 
https://michelf.ca/projects/d-objc-bridge/

Would someone like to add some more?