JUST IN TIME for the piles of jackets, homework papers and sports gear that invade the entry to the house after Labor Day,porch.com and today.com have teamed up to spotlight de-cluttered spaces. A cozy Witt Construction alcove, which maximizes space and storage, is highlighted for its creative use of hooks, a bench seat and roomy cubbies. More ideas for keeping things under control: chalkboard paint for leaving notes and posting schedules, drawers for tucking things away, baskets for organizing and cabinets for storage.