Cedreo is described as 'online 3D architecture software for home builders, remodelers, landscapers, architects and home designers'. There are more than 10 alternatives to Cedreo for a variety of platforms, including Online / Web-based, Mac, Windows, Linux and Chrome OS. The best alternative is Sweet Home 3D, which is both free and Open Source. Other great apps like Cedreo are Floorplanner (Freemium), RoomSketcher (Freemium), Planner 5D (Freemium) and Space Designer 3D (Paid).
Floorplanner is the easiest, quickest, and best looking way to create and share interactive floor plans. Using point-and-click, drag-and-drop tools, you can make your house plan in minutes, and rearrange it as often as you want.
Space Designer 3D is an online software that allows you to create 2D plans, then design and visit them in 3D using your web browser. The software is very intuitive and easy-to-use, allowing anyone to draw plans in a matter of moments.
Free online 3D room-planner which allows you to create floor plans, arrange the furniture, change coverings for walls and floor. I't simple and intuitive - You don't need to have special knowledge or education.