ZoteroZotero is a free, easy-to-use tool to help you collect, organize, cite, and share research. Sign in through your JMU email, you now have access to unlimited storage. Upgrade to Zotero 6 to see how they’ve created a whole new way of managing PDFs and annotations. You can upgrade to Zotero 6 from within Zotero by going to Help → “Check for Updates.”