InternetOff is a
simple app that allows you to turn off your Internet connection with a
click of a button from the system tray. This can be useful if you don't
want to be disturbed by incoming emails, social updates and other
online services. http://www.snapfiles.com/get/internetoff.html
you to set bandwidth restriction for your Internet application. It
allows you to set limits and priorities for upload and/or download
speeds on a per-application basis and also block all Internet traffic
for selected processes. http://www.snapfiles.com/get/netbalancer.html
Proxychk: Tests lists of proxy servers for details. Free
This program was designed for testing lists of proxies for anonymous, valid,
invalid, connection speed, and more. Easy proxy list manipulations.
Freeware. Andrey A. Ugolnik, WE Group, http://www.wegroup.org/.