Unity - The multiplatform game creation tools for everyone.
ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
Godot Engine - Feature-packed 2D and 3D open source game engine.
ProcessMaker - ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Forms On Fire - Forms On Fire provides a complete, customizable mobile forms and workflow system that is reliable and secure, works offline or online.