SketchUp - 3D for Everyone
CorelDRAW Technical Suite X7 - Discover CorelDRAW Technical Suite 2019 and create technical illustrations with speed, accuracy, and precision. Download the free trial today!
Assetforge - Asset Forge allows anyone to create 3D models and 2D sprites using building blocks.
MagicPlan - The floor plan creation app magicplan lets you create dimensioned floor plans without actively measuring or drawing. With its Augmented Reality.
FreeCAD - An open-source parametric 3D modeler
Design Master Electrical - Design Master Electrical is a MEP design software that allows calculations and drafting, organize files, manage time with calculations, design, and drafting.