GlassWire is widely considered one of the most user-friendly options. It features a sleek interface that visualizes all network activity in real-time graphs.
: For more advanced tracking, you can use Performance Monitor to add a counter for "Network Interface" to see cumulative bytes received and sent. Comparison of Free Tools Primary Strength GlassWire Free Version Visual graphs & security alerts NetWorx Free (Old Ver) Usage alerts & threshold limits BitMeter OS Open Source Web-based historical stats Net Guard Monthly usage forecasting Summary for 2026
: Provides daily, weekly, and monthly usage reports and lets you set notifications for when you reach a specific data threshold.
This dedicated free tool is specifically designed to help users stay within their data plans.
BitMeter is an open-source project that runs quietly in the background.
: Users who prefer open-source software and detailed tabular data. 4. Cucusoft Net Guard