Quick bibliography software roundup

Mendeley: free. windows/mac/linux. scans PDFs and can make group
libraries.

JabRef: free. windows/mac/linux. The program I use. Organizes
references and export refs to LaTeX documents.

BibDesk: free. mac only. iTunes style.

Zotero: free. windows/mac/linux. Firefox extension that saves
citations and can insert them into Word/OpenOffice docs.

Zot2Bib: free. mac only. Firefox extension that links Zotero and BibDesk.

Papers: $40. mac only. iTunes for articles.

CiteULike: free. online. web site that stores your references. can add
articles with one click using bookmarklet, recognizes more sites than
connotea.

Connotea: free. online. web site that stores references. cann add
articles with one click using bookmarklet. recognizes fewer sites than
CiteULike but looks prettier.

EndNote: $150. windows/mac.