Little Snitch Alternatives for Windows

GlassWire is a network security monitoring tool and analyzer that visualizes your network activity on an easy to use graph, alerts you of possible threats, manages your firewall, and more.

Portmaster is a free and open-source application firewall that puts you back in charge over all your computer's network connections.

Windows Firewall Control is a powerful tool that extends the functionality of the Windows Firewall and provides new extra features that make Windows Firewall better.

NetLimiter is an ultimate Internet traffic control and monitoring tool designed for Windows. You can use NetLimiter to set download/upload transfer rate limits for applications or even single connection and monitor their Internet traffic.

Block internet connection for apps.

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic.

SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.

appNetworkCounter is a simple tool for Windows that counts and displays the number of TCP/UDP bytes and packets sent and received by every application on your system.

Protects your applications from undesirable network incoming and outgoing activity, controls applications internet access. Allows you to control personal information leakage via controlling application network traffic.

Look n Stop is the best in its class security application to prevent spyware. Secured by Look n Stop, your PC also becomes fully invisible to net hackers by stopping all suspicious traffic. Rated among the highest firewall in leak tests.