网络流量监控程序，该程序尤其对拨号上网的用户节约上网费用很有帮助-network traffic monitoring procedures, the procedures especially for dial-up Internet users to save costs helpful

delphi下利用socket编成实现多播的例子，可以有效地节省网络带宽。-delphi using socket into achieving multicast example, can effectively save network bandwidth.

封装了所有网络通信接口得类，可以为了节省很多重复写代码得工作。-Packaging of all network communication interface in the category, in order to save a lot of duplication in the work of writing code.

一款功能较为完善的网络防火墙 Hello ! What is SibairWall ? This a FireWall (a littke) in Visual Basic. The possible functions are : - See the currents open ports on your computer - Detect the possible intrusions by the most important Trojans !