EndNote works on Windows, Mac, web, and iOS. EndNote basic is a more limited reference management solution that is only available online. EndNote basic users can create an online library with a maximum of 50,000 references and up to 2GB of attachments. A student license for the full version of EndNote 20 (unlimited references) is a one-time purchase of $115.95.
Citations: can be imported from RIS files or added from OneSearch through the library. Citations can also be added from any webpage with the free EndNote Click extension and organized in your EndNote library
PDFs: can be saved and annotated in EndNote
Sharing: papers and folders can be shared with external users
Writing: EndNote integrates with Microsoft Word to cite as you write with thousands of reference styles