Zotero is an open-source reference management software, which manages bibliographic data and research materials.  Other features include in-text citation generation, online syncing and web browser integration. It’s compatible with the processors Microsoft Word, LibreOffice, OpenOffice.org Writer and NeoOffice. Using the Zotfile plugin you are able to sync PDFs to a mobile PDF reader. Installing the Zotero Connector, gives you the ability to save every book, product and even any website you visit and sync the data with your Zotero Desktop application.

Download now: https://www.zotero.org/

More useful links:

How to get started Basic Features Reference Plugin Zotero and BibTeX Video Tutorial Zotero