For almost 40 years, Cabells has helped universities and researchers to evaluate and better understand academic journals. Whether you're looking to publish research, review scholarly contributions, or gain accreditation, we have all the journal information you need.
Eigenfactor is a free & searchable database that covers the natural and social sciences and "also lists newsprint, PhD theses, popular magazines and more." The Eigenfactor is now included in the ISI product, Journal Citation Reports.
Google Scholar Metrics provide an easy way for authors to quickly gauge the visibility and influence of recent articles in scholarly publications. Scholar Metrics summarize recent citations to many publications, to help authors as they consider where to publish their new research.
A free source that uses data from Elsevier's Scopus database and includes journal indicators developed from the information contained in the Scopus database from 1996. It does not include journal impact factors but does have a number of other indicators, including SCImago Journal Rank (SJR) and h-index, cites per document, etc. Journals may be ranked by very broad subject areas, more specific subject categories, SJR, h-index, etc.