WordFreq is an TERA Tools resource crafted to analyze an EndNote library of articles and generate a list of the most frequently occurring words and phrases within that collection. Free with registration
SearcherRefinery (a TERA Tools resource) compares a list of PMIDs against a PubMed search to provide information on results and citations. Free with registration
SWIFT-Review employs text mining and machine learning techniques to identify prevalent terms and topics and facilitate prioritization for screening. Free