NetNak 

Display your internet data rate via modem, cable, DSL etc as text and on a graph. It keeps track of time online and total amount of data you send and receive. You can get a warning when exceed your preset limits and automatically hangup when you want
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PPPshar Pro 

PPPshar Pro is a proxy server that enables you to share a single Internet connection of any type (Dialup, DSL, Cable modem, or satellite connection) among several computers in your home or office network. Tiny and easy to use, runs in system tray.
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Comtun Pro 

stealth network firewall, NAT software router, HTTP caching, SOCKS server, access control and authentication, built-in DHCP Server, dial-up control, VPN (PPTP and IPSec), network monitoring and management, banner blocking, firewall timing control
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GateWall 

GateWall is an easy to use toolkit to provide Internet access for LAN users. The network administrator will be able to supervise Internet connections, calculate consumed traffic, email detailed usage reports to consumers and much more!
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AllegroSurf 

Using the Internet at home or work is a big responsibility. The Internet offers the information and content you desire. AllegroSurf gives you the power to share an Internet connection while dictating what information and content is available.
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ezProxy 

ezProxy is a proxy server, make all your computers share one connection to internet. provide everything you need to simultaneously connect all your computers to the Internet through just one simple connection with your existing service provider.
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