Advance Wars - Advance Wars is the Turn based Tactical Strategy game from Japanese origins.
Unity - The multiplatform game creation tools for everyone.
Shin Megami Tensei: Devil Survivor - Shin Megami Tensei: Devil Survivor 2 is a fantastic Tactical RPG and Strategy video game by Atlus.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Final Fantasy Tactics - Final Fantasy Tactics is a Single-player, Tactical Role-playing and Exploration video game created and published by Square.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.