GlassWire can snif network traffic and manage Internet bandwidth.
With the increase of bitcaps and general restrictions imposed by Internet Service Providers (ISPs) across the world, it has become necessary to limit bandwidth usage. Though it is possible with some routers to achieve this, most people do not have access to router-based bandwidth managers.
These software programs are able to help you manage your bandwidth. They can be used to measure how much data has been transferred by your PC over a specified period of time (like a month or billing period).