1)   Link Logger - Linksys WRT54G/GS 2.4.7.11
Full Feature logging and traffic analysis software for Linksys WRT54G/GS routers featuring 20 different reports and graphs and much more to help you understand and manage your network traffic and security.

 2)   Executable Vaccine 4.0
Executable Vaccine protects PC's by acting as an executable file filter. It attaches to the operating system and filters all executable files, be it .exe .com .dll .drv .sys .dpl etc from all drives and all network shares against a list of files