NetSetMan - Are you tired of changing your network configuration on your laptop every day?
Wine - Open Source Software for running Windows applications on other operating systems.
Mobile Net Switch - Mobile Net Switch allows you to automatically switch network related settings on the fly based on...
CodeWeavers CrossOver - Don't buy a Windows license, don't reboot and don't use a Virtual Machine. Try a free trial of CrossOver to run your Windows software on Mac, Linux and Chrome OS.
QuickSetDns - Quickly change the DNS servers of your Internet connection on Windows
WineBottler - WineBottler is an App to manage and wrap your Windows apps into convenient OS X apps.