Murphy's Oil Soap is good for cleaning both finished and unfinished wood furniture. Orange oil polishes and cleans wood and is an ingredient in many wood cleaners.
Scott's Liquid Gold Wood Cleaner comes in a convenient spray can for use around a home or business. Dusting regularly with a damp rag can reduce the amount of cleaning furniture needs.
Old English Cleaner is a popular and trusted cleaner for all woods. Bona makes a whole line of wood furniture cleaners and polishes that are highly rated. Orange Glo is used on floors and furniture to clean and refresh the dullest finishes.