draw.io - Online diagramming application
Ecdesign - Ecdesign.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Staples Interior Design Software - Staples Interior Design Software is multifunctional designing software that is used for interior designing, overall home designing and landscaping designing purpose as well.