Awesome
harfbuzz-example
Simple Harfbuzz text-shaping example with OpenGL and GLFW using Freetype.
This project uses CMake, you can download it here or use your favorite installation package tool like homebrew. Make sure to update git submodules before you build:
git submodule update --init --recursive
Then build and run:
mkdir build && cd build
cmake .. && make
cd bin
./harfbuzz-example.out