Unity - The multiplatform game creation tools for everyone.
FINAL CUT - Library for creating terminal applications with text-based widgets
Godot Engine - Feature-packed 2D and 3D open source game engine.
ncurses - ncurses (new curses) is a programming library that provides an API which allows the programmer to...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
termbox - Termbox is a library that helps making terminal-based pseudo-GUIs.