Clang, yes, but llvm was started in 2000 at the University of Illinois at Urbana–Champaign, 7 years before clang (the c front-end) was open-sourced by Apple. C

Clang, yes, but llvm was started in 2000 at the University of Illinois at Urbana–Champaign, 7 years before clang (the c front-end) was open-sourced by Apple. Chris Lattner, one of the original LLVM people developed Clang at Apple, and Apple has been quite nice to llvm + clang =D