There are several mortgage loan programs out there and each has good and bad. You should contact a mortgage professional to see which ones you would qualify for. Here is a brief overview.
VA mortgage - zero down to qualified buyers
FHA mortgage - 3.5% down to qualified buyers
Homepath mortgage (for some foreclosed condos) - 3% down for qualified properties
Conventional aka, regular mortgage - 5% down '
Physicians loan program - 0% down for qualified buyers