Citation Manager Comparison Chart April 2016 Sojourner Truth Library + DASH Lab Mendeley Zotero PaperPile Cost Free to everyone (costs for Free to everyone (costs for 30 Day Free Trial, then $2.99/month for education upgraded storage and private upgraded storage) and nonprofit use. groups) Operating System Macintosh, Windows, Linux Macintosh, Windows, Linux GoogleDrive, Chrome Creates formatted Yes Yes Yes bibliographies, in­text citations, and footnotes in word processor Choices for reference types Pre­defined list: 20 Pre­defined list: 35 More than 30 reference types and 86 subtypes (e.g., journal, book, website) Edit or create styles Yes Yes Yes Spell Check No No Yes Direct import (from databases) Yes, via web importer Yes, via translators Yes, Google Scholar, PLoS, JSTOR, Scopus, Web of Science, ProQuest, PubMed Retrieve PDF citation data Yes Mixed success. Mixed success. Duplicate detection Yes Yes Yes Full text PDF search Yes Yes Annotate PDFs Yes No, but will sync PDFs Yes annotated with 3rd party software Add notes to references Yes. Can also add tags. Yes Yes, as well as highlight and outline generation Collaboration features Create public and private Create public and private Create shared folders, tweet, facebook, Google +, groups. One private group of groups. email 3 members free. Access citations remotely Yes Yes Yes Mobile device application iPad, iPhone, 3rd party 3rd party iOS and Android Yes Android apps, web interface apps, web interface Storage/maximum number of Unlimited allowed on Unlimited allowed on desktop; Unlimited in Google Drive records desktop; 2 GB free web space 300 MB free web storage Import/export with other Yes Yes Yes citation managers .