Zoho's got something new: Notebook. If you've used Microsoft's OneNote, you'll grok it pretty quickly. It's a content editing system that lets you create multiple sheets in one document; great for big, complex projects.
Storage of PDFs, files, images, links, and whole web pages. Automatic capture of citation information from web pages. Playlist-like library organization, including saved searches & tags. Integration with WordPress and MS Word. Interface in many languages.
Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources. It lives right where you do your work — in the web browser itself. Features Automatic capture of citation information from