Cabell's Scholarly Analytics is the complete source for journal information and evaluation metrics. It include the Whitelist, a listing of 11,000 credible journals across 18 academic disciplines, and the Blacklist, a compilation of questionable and/or predatory publications.
JANE - Journal/Author Name Estimator Jane (Journal/Author Name Estimator) is a freely available web-based application that, on the basis of a sample text (e.g. the title and abstract of a manuscript), can suggest journals and experts who have published similar articles. FAQ
JournalSeek
http://journalseek.net/
Ulrich's Periodicals Directory The Directory shows whether a journal is "refereed" and where it is indexed.
PubMed PubReMiner (only works in PubMed, but can identify experts, research interests, and journals to publish in)
https://hgserver2.amc.nl/cgi-bin/miner/miner2.cgi
These lists do not necessarily represent the opinion of CMU librarians; they are merely information that may be useful to authors looking for a journal to publish in.