Zotero is a reference management application designed to collect, store, share, manage and cite references. Zotero can save you time by helping you organise and keep track of your research and in the preparation of your work.
This is the cloud based version of Zotero. You can log into it and create an account easily. Use the online account to sync your Zotero library to the cloud and between computers. It also allows for sharing of references between accounts.