progeCAD - progeCAD is DWG/DXF-native CAD software, built for professional drafting.
Unity - The multiplatform game creation tools for everyone.
BricsCAD - A powerful CAD platform, with features familiar to you from native .dwg applications.
Godot Engine - Feature-packed 2D and 3D open source game engine.
MicroSurvey Software - MicroSurvey CAD is a full-featured CAD package that lets you do everything from creating point clouds to designing complex survey networks.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.