There are several other websites that list available properties to rent or purchase.
Craig's List - This website is a fantastic resource not only for rental/sale listings but also for items for sale to furnish your new place.
City Paper - Baltimore's local alternative weekly paper is great to locate listings in their classified section but it is great to see what is happening around the city.
JHU Gazette - This is Johns Hopkins' campus wide paper.
SunSpot - This website is for the Baltimore Sun Paper