HeroEngine is 3D game Engine. It is a platform for all-in-one development to make and operate online games. It is written in C++, C# and HeroScript Language (HSL) and used to develop games for the platform of Microsoft Windows. HeroEngine was developed by Simutronics Corporation for the game Hero’s Journey; however the game was never released.
Godot is a cross platform free and open source game engine with MIT (a light license) licensing. It is written in C++ and C# and used to develop 2D and 3D games. The development environment runs on Windows, MacOS and Linux and develops games for platforms like windows, Linux, macOS, iOS, Android, HTML5, WebAssembly and Xbox One.
Frostbite is a powerful game engine developed by DICE Company in 2008. This Game Engine is written in C++ and C#. It develops games for PS3, PS4, Xbox 360 and Xbox one. It exclusively develops games for electronic Arts and specializes for FPS (First Person Shooter) games.