LinkCollector can import/export links from/to browsers, unite them and store in different files. Search of duplicates will help you to keep your collection of bookmarks clean and also the program can easily check up bookmarks on existence.

SmartWhois is a network information utility that allows you to find out all available information about an IP address, host name, or domain. The program can retrieve information from more than 60 servers all over the world

Anonymous Friend hide IP address by routing traffic through foreign anonymous proxies, letting you surf, read mail, news, participate in newsgroups without getting kicked out