System Tools › Network

Free

Remotely wake up a machine asleep.

Redirect your computer's network connections through proxy servers.

Free

Free file sharing program running on the Gnutella Network.

Free

IPv4 address calculation and verification tool.

Free

Whois allows the user to lookup the Regional Internet Regsitry (RIR) information for an IP Address.

Used to update Linksys & MacSense routers.

Free

Helper utility for Internet Configuration.

Free

App that can give you some information about wireless networks.

IPAddressSentinel is a menu bar app which displays and copies your current machines IP addresses and name.

No longer being actively developed Meerkat...

Free

It creates SSH tunnels from the computer to a remote host through a SSH server.

Free

Automatically changes numerous settings in OS X based on location.

IPScanner scans local area network to determine the identity of all machines.

Monitor and set restrictions on your data usage.

Go2 is a universal bookmark manager, a place to store connection information.

Free utility for Mac OS which allows administrators to point a workstation to a local Apple Software Update Server without having to use the command..

The program shows your internet usage in the menubar.

In its most common usage, WebScarab operates as an intercepting proxy.

Free

Wi2Connect is a Wi-Fi hotspot auto-login tool for MAC.

Free

Free TCP packet sniffer for the Mac

Traffic2Net ist a universal statistics manager to keep track of time and data

Tool that monitors your network activity and keeps a record of IP/MAC address pairings and firewall logs.

IMPORTANT: It appears that comcast is having trouble redirecting users to the reemoteapp.com website.

Free

Limit the upload and download speed on a system scale