1)   Country Codes 2.6.0
Country Codes has a database which contains information about over 250 countries in world!

 2)   Domain Name Commando 1.0
Protect your domain names. Automatically polls the appropriate whois servers for your domains, sending you email alerts with before and after views of registrations when anything changes. Receive email alerts when domains expire or become available.

 3)   DomainKing 1.0
DomainKing is a WHOIS domain name checker which can find free, taken and expired domain names on over 100 domain extensions. It can also generate domains based on keywords, search the web for domains, generate misspelled domains and much much more..