Resource Shelf reports that there are now 4,000 journals available in the Directory of Open Access Journals.  Offerings include academic and scientific publications that are subjected to a quality control system to guarantee content. You can search by journal title, ISSN number, start year, end year, subject, keywords, publisher, country of publication, and language. The data is licensed under the Creative Commons Attribution-ShareAlike License so it is completely free to search and download the entries.

Consider DOAJ next time you are looking for scientific or scholarly information in your research efforts.