Cisco Network Assistant - Cisco Network Assistant simplifies wired and wireless network management, and provides critical product information using Cisco Active Advisor.
Throttled Pro - Throttled Pro optimizes your internet connection and provides QoS (Quality of Service) to Mac OS X.
Technitium MAC Address Changer - Technitium MAC Address Changer (TMAC) is a freeware utility to instantly change or spoof MAC Address of any network card (NIC).
Ashampoo Internet Accelerator - Ashampoo Internet Accelerator is an internet connection optimizer and booster that allows you to tune your connection settings.
Axence netTools - Axence netTools is completely free of charge, both for home and commercial use – all you have to do is to register. A tool for professionals – and others.
Net Speed Booster - Net Speed Booster is an internet speed optimization tool that lets you tweak your internet settings and make them up to the mark.