CODESYS - CODESYS - the IEC 61131-3 programming system.
Unity - The multiplatform game creation tools for everyone.
ETAP - ETAP is a full spectrum analytical engineering software company specializing in the analysis, simulation, monitoring, control, optimization, and automation of electrical power systems.
Godot Engine - Feature-packed 2D and 3D open source game engine.
RobotStudio - RobotStudio increase the profitability of your robot system by letting you perform tasks such as training, programming, and optimization
Blender - Blender is the open source, cross platform suite of tools for 3D creation.