Unity is described as 'multi-platform game development tool, designed from the start to ease creation' and is a well-known app in the Development category. There are more than 100 alternatives to Unity for a variety of platforms, including Windows, Mac, Linux, iPhone and iPad. The best alternative is Godot Engine, which is both free and Open Source. Other great apps like Unity are Unreal Engine (Free, Open Source), GDevelop (Free, Open Source), CRYENGINE (Free Personal) and Construct 3 (Freemium).
- HARFANG® 3D is a framework for 3D & 2D application development. It can manage & display complex 3D scenes, sound, music, access VR devices such as the HTC Vive, Oculus Rift, Lenovo Explorer. HARFANG® is available for Python, Lua and C++ languages. View 18 alternatives to HARFANG 3D
- Free Personal • Proprietary
- The RPG Toolkit is a free, open source project delivering a simple, flexible and powerful tool for the creation of role-playing games on your personal computer. View 67 alternatives to RPG Toolkit
The project seems to be no longer developed and latest news date back to February 2017. Last version, 3.2.1b, can be still downloaded from the official website.
- Free • Open Source