Autodesk launchs a handy free online home designer tool named Autodesk Homestyler. You can design on 2D and 3D mode easily, design your living room, kitchen , bed room , bathroom and experiment with various colour and styles, they provide some home appliances from various top brands : Sherwin WIlliams, FLOR, Dacor, KOHLER, Corian, Zodiaq, Merillat etc. See how your kitchen remodel or new bathroom looks with actual appliances, fixtures, and furnishings from popular brands.
You can design from scratch or you can choose from gallery , there is lots of good design from Autodesk Homestyler community. For landscape design : Landscape areas include lawns, pools, pathways and more, outdoor surfaces include bricks, gravel, grasses and soil types, also exterior plants and trees.