Ashampoo 3D CAD Professional 10 - Ashampoo 3D CAD Professional 8 is a complete CAD solution for the designers and decorator that are looking for the centralized way to get done with their interior designer.
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.
3Dream - Design your room in 3D quickly and easily.
draw.io - Online diagramming application
Planoplan - Free simplest online tool for 3D interior design
Visio - Simplify and communicate complex information using data-linked diagrams.