Endnote and Endnote WebThis powerful citation management software comes with both free and paid options and integrates well with Web of Science. |
ZoteroOffering many of the features of Endnote, Zotero is a free, open-source citation management program that works either as a browser plug-in or as a standalone application. |
Here are some links to comparisons between the various citation management programs that might help you figure out which one is right for you.