AJCann posted a blog today about what he doesn’t like about Mendeley. Abhishek replied that he does not like people complain about one tool, instead of pointing out a good alternative. Mendeley has two alternatives, Zotero and CiteULike (there is also Connotea, but got behind in evolution). Agreeing with @citeulike and @abhishektiwari, as a service provider any bad news is good news too: they provide opportunities to improve.