http://www.citeulike.org/user/username/order/pubdate,desc,last e.g. http://www.citeulike.org/user/AJCann/order/pubdate,desc,last To list your own publications in date order, flag them as your own papers in the edit dialogue, then: http://www.citeulike.org/profile/AJCann/publications/order/pubdate,desc,first
EndnoteWeb, RefWorks, Connotea, CiteULike, Zotero, Mendeley. Nice summary of the state of the art by Martin Fenner. Conclusion - not much to choose in some ways - personal preference!