I use Zotero (+ownCloud for storage) as well, a bit quirky at times but has all the functionality I need. Don't know how good the standalone program is, I only

I use Zotero (+ownCloud for storage) as well, a bit quirky at times but has all the functionality I need. Don't know how good the standalone program is, I only use the browser plugin+libreoffice plugin and occasionally the dreaded ms-office plugin as well (if not working with latex).