imgui (spack): Dear ImGui is a bloat-free graphical user interface library for C++. It outputs optimized vertex buffers that you can render anytime in your 3D-pipeline enabled application. It is fast, portable, renderer agnostic and self-contained (no external dependencies). 
Keywords: api|cplusplus|framework|game-development|game-engine|gamedev|gui|imgui|library|multi-platform|native|toolkit|tools|ui