Reference management software, citation management software or personal bibliographic management software is software for scholars and authors to use for recording and utilizing bibliographic citations.
Zotero is a free, easy to use software which helps the researchers to collect, save, manage and cite bibliographic information about the items (books, journal articles etc.) you find...
Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research
