Mendeley

Mendeley is a free reference manager and an academic social network. Manage your research, showcase your work, connect and collaborate. To use Mendeley you’ll need to register for the first time. Its free and fast.  

Advantages:-
1. Create and access your library, everywhere – Add papers directly from your browser with a few clicks or import any documents from your desktop. Access your library from anywhere. Windows, Mac, Linux and all browsers.
2. Easy referencing – Generate references, citations and bibliographies in a whole range of journal styles with just a few clicks.
3. Build your Research network – 30 million references and over 6 million researchers to discover. 
Please Visit: [ https://www.mendeley.com/ ]