User interface Dear ImGui (https://github.com/ocornut/imgui)
Graphics APIs DirectX 11 OpenGL
Input System Object oriented Input System - OIS (https://wgois.github.io/OIS/)
Model Loading Open Asset Import Library - Assimp (https://github.com/assimp/assimp)
Omniverse Connector NVIDIA Omniverse technology (https://www.nvidia.com/en-us/omniverse/)
You can check the complete roadmap of giEngine here: https://trello.com/b/ulwgfRyo/giengine-roadmap