JournalTOCs is the largest, free collection of scholarly journal Tables of Contents (TOCs): 17,266 journals (including 2,718 selected Open Access journals) from 946 publishers.

Here are some of the things you can do:

• Search for journals, or within tables of contents.
• Browse journals by subject or publisher.
• Register for a JournalTOCs account, select which journals you wish to follow and receive table of contents updates via email. You can also export as an OPML file and import into a RSS feedreader e.g. Google Reader.

The JournalTOCs blog is located here.