This is a c-api wrapper for imGuIZMO.quat (https://github.com/BrutPitt/imGuIZMO.quat) which is a guizmo for Dear ImGui (https://github.com/ocornut/imgui)
imGuIZMO.quat is a submodule of this repo. This is programmatically from imGuIZMO.quat v3.0