My software:
- Broderbund 3D Home Architect
Freeware:
- SmartDraw CI
- DesignWorkshop Lite
- SketchUp (formerly Google SketchUp)
- AVSnap (great for diagramming networking & home theater layouts)
Online:
- Gliffy: Easily Collaborate on and Publish Floor Plans
- Floorplanner: Create floorplans the easy way
- $9.99: Total 3D Home Design Deluxe [Download]
- $700: NetZoom Visio Stencils
Resources: