SterJo Netstalker is described as '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' and is a Firewall in the security & privacy category. There are more than 10 alternatives to SterJo Netstalker for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best SterJo Netstalker alternative is Portmaster, which is both free and Open Source. Other great apps like SterJo Netstalker are simplewall, RethinkDNS, Fort Firewall and NetLimiter.
Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.
Portmaster is the most popular Windows & Linux alternative to SterJo Netstalker.
Portmaster is the most popular Open Source & free alternative to SterJo Netstalker.
Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.
An OpenSnitch-inspired firewall and network monitor + a pi-hole-inspired DNS over HTTPS client with blocklists.
RethinkDNS is the most popular Web-based, Android & Android Tablet alternative to SterJo Netstalker.
Comprehensive Windows software for internet traffic control, enabling users to set bandwidth limits for applications or connections. Offers real-time monitoring, long-term stats per app, and detailed internet usage reports. Ideal for managing data efficiently and enhancing network performance.
NetLimiter is the most popular commercial alternative to SterJo Netstalker.
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
Little Snitch is the most popular Mac alternative to SterJo Netstalker.
Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between TinyWall's security and SimpleWall's functionality.
NetBalancer is an internet traffic control and monitoring tool designed for Win7/8/10.
Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others! Gufw is powered by Uncomplicated Firewall (ufw).
As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.
Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.
All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.
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