Immigrant Ships Transcribers Guild
Transcriptions of passenger lists done by volunteers. Also has ship descriptions, etc.
The Olive Tree Genealogy
Includes ship passenger lists, info on Palatines, New Netherlands (NY) genealogy, and more. All free
Palmer List of Merchant Vessels
Free access to a database of information on 10 million immigrants from 1830 through 1892 who arrived in NY.
The Statue of Liberty-Ellis Island Foundation
This database provides access to passenger arrival records of about 22 million people whose names appear in the original ship passenger manifests for the Port of New York from 1892-1924.