Whois 

Whois Tool is a client utility that communicates with WHOIS servers located around the world to obtain domain registration information. Whois supports IP address queries and automatically selects the appropriate whois server for IP addresses.
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AdventNet EventLog Analyzer Free Edition 

EventLog Analyzer is a web-based event management tool that collects, analyzes, and reports on event logs from enterprise-wide Windows and UNIX systems.
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ShareAlarm 

Share alarm is a tool that allows you to see parameters of the workstation which tries to establish a connection with your computer.The remote workstation, user, path, OS, permissions of the accessed folder.
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Nsauditor Network Security Auditor 

Nsauditor scan and monitor network for possible vulnerabilities,to see all open ports and service associated with connection,possible trojans associated with port.Over 35 network tools for scanning,sniffing,enumerating and gaining access to machines.
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ShareAlarmPro 

ShareAlarmPro monitoring network access to shared folders and resources, allows to see parameters of the workstation which tries to establish a connection with your computer.The remote workstation, user, path, OS, permissions of the accessed folder.
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LogMeister 

LogMeister is a universal log viewer with powerful monitoring and notification facilities. Whether you're a home user, power user, developer or system administrator, you will love LogMeister's powerful yet easy to use features.
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