Contacts Importer / Address Book Grabber
It can import contacts from hotmail.com, yahoo.com, gmail.com, aol.com, msn.com, live.com, fastmail.fm, web.de,mail.com, mail.ru, rediff.com, indiatimes.com, lycos.com, libero.it, rambler.ru, mac.com,paracalls.com, plaxo.com, mynet.com, interia.pl, yandex.ru, qq.com, sina.com, 126.com, daum.net and 163.com. This contacts importer can be used in any .Net application.