SoftPerfect Personal Firewall 

A network software firewall designed to protect your PC against attacks from the Internet. It offers customizable security using user-defined rules for packet filtering. The program is easy to use, comes with a set of predefined rules and it is free.
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VentaFax & Voice 

VentaFax is a powerful fax/voice messaging software boasting features and reliability available only in high-end products, but cheaper and less greedy to the system resources.
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Easy Tank COMMBAT 

Easy Tank COMMBAT is an adaption of the COMBAT cartridge that was part of the original ATARI® VCS. Two player tank battles using two separate computers linked through a network connection. In addition 5 levels of AI provide excellent opponents.
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