NOT ON THE LIST IN 2018

Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.

Website: zotero.org
Cost: Free.
Availability: Download

Past Overall Rankings
2017: –   2016: –   2015: –   2014: –   2013: –   2012: –   2011: 82   2010: –   2009: –   2008: 66   2007: 72

Comments from some of those who selected Zotero as one of their Top 10 Tools

“free reference database” Sergey Litvinov, 2014

“is free, easy-to-use Firefox extension to help collect, manage, and cite research sources. I’m finding it very useful.”  Joan Vinall-Cox

“A Firefox browser add-on that “helps you collect, manage, and cite your research sources.” Great for conducting research.”  Matt Lisle

“I especially find Zotero is an unparalleled research and bibliography tool”  Terry Elliott