Database alerts can cover thousands of journals while publisher alerts are usually limited to a significantly fewer number of journals. The drawback is that databases are slower to update than publisher websites. Publisher websites are the first place information is made available. This information is then sent to database vendors; however, some databases are only updated monthly or quarterly. Also, publishers often provide information on research articles while they are still "in press" but databases do not usually include content until after it is officially published. Database alerts usually work best for subject alerts or citation alerts. If you want a table of contents alert for a journal - publisher alerts would be more timely.
The following databases offer alerts via email and/or RSS Feed.Whenever possible, the link below leads to a page of information on how to set up alerts.
NOTE: These databases require you to be a member of the ISU community in order to access the database.