For decades, architects and engineers have been taking advantage of computer-aided design (CAD) for drafting and planning beautiful homes. For the non-professional, though, CAD programs can often seem too technical and difficult to learn. Fortunately, now it’s a lot easier to decorate a room online. There’s a wide variety of fun and easy-to-use home design and decorating software and online room planners to choose from. We’ve picked 10 of the best free and easy interior design software programs—and, best of all, you don’t have to physically move around any furniture while planning.