FreeCAD - An open-source parametric 3D modeler
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
SketchUp - 3D for Everyone
Lucidpress - Lucidpress is a web-based design and layout application that enables anyone to create beautiful...
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
Piktochart - Piktochart for Business Storytelling