Xpublisher - Xpublisher is a content publishing software that helps you to structure your content and then allows you to easily publish the content on various platforms.
Unity - The multiplatform game creation tools for everyone.
Contenta Publishing Suite - Contenta Publishing Suite is an advanced-level and web-based publishing software solution offered by RWS that allows you to create good quality content and offers you optimized steps and procedures to publish the content successfully.
Godot Engine - Feature-packed 2D and 3D open source game engine.
SmartPublisher - Newspaper Software: CRM software, magazine software, subscription software, newspaper sales management, classified ads software,newspaper invoice software, newspaper accounting
Blender - Blender is the open source, cross platform suite of tools for 3D creation.