simpple.tax :)
1040 - U.S. Individual Income Tax Return
1040NR - U.S. Individual Income Tax Return for Nonresident Aliens
1065 - U.S. Return of Partnership Income
1120 - U.S. Corporation Income Tax Return
1120-S - U.S. Income Tax Return for an S Corporation
5472 - Information Return of a 25% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business