NetSendFaker 

NetSendFaker allows you to send anonymous Net Send messages to anyone that is connected to the network. You can also emulate messages as if they were sent from other computer. The tool is designed with a user-friendly interface and is easy to use.
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Ip2CountryResolver 

If you are doing business on the Internet and you want to know where your users are from, you've found the right place! Ip2CountryResolver will help you to identify visitor's geographical location country and country code.
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