in the Best Scientific, Technical and Medical (STM) Product category. Connotea discontinued service on March 12, 2013. An export tool remained live until April 16, 2013 so that registered users could export their bookmarks. See also Comparison of reference management software References External links Library 2.0 Cross-platform free software Internet services supporting OpenID Social cataloging applications Discontinued software Internet properties established in 2004 Internet properties disestablished in 2013