C++
Used by 42 peopleen.wikipedia.org ↗
“Ardour is written almost entirely in C++, with bits of assembler (that we rarely touch) and Lua as a builtin scripting environment.”
Paul Davis Interview, Developer (Ardour, JACK) · via Uses This 
“It's time for C++ to die a slow death.”
Vladimir Mitrović Interview, Software engineer, computational designer · via Uses This 
“My main contribution is C++ and effective ways of using it.”
Bjarne Stroustrup Interview, Creator of C++ · via Uses This
