TinyWall - Lightweight and non-intrusive firewall
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
simplewall - Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on...
NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
FreeMeter - Monitor network bandwidth (C#.NET 2k/XP+). Desktop and Systray graph.