GlassWire

Visualize network activity in detail, get notified when new apps access the network, look out for malware, and block bad apps.

Freemium $ $ $ Windows Android Android Tablet

120 Like

Comodo Free Firewall

Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeguard your personal data through a simple...

Free Windows

144 Like

PeerBlock

PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block...

• Discontinued The project seems to be no longer developed. Last version, 1.2, released in January 2014, can be still downloaded from the official website.

Free Open Source Windows PortableApps.com

246 Like

Malwarebytes Windows Firewall Control

A powerful tool which extends the functionality of Windows Firewall and provides new extra features which makes Windows Firewall better.

Free Windows

42 Like

TinyWall

TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8. TinyWall includes a combination of features...

Free Windows

42 Like

AFWall+

Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app. ...

Free Open Source Android

26 Like

Privatefirewall

This personal firewall and intrusion detection application provides comprehensive online security. It constantly monitors your PC for intrusion and reports any findings...

• Discontinued Software unavailable at official site but still available through download sites.

Free Windows

23 Like

Windows Firewall Notifier

Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections. Features: ...

Free Open Source Windows

17 Like

ZoneAlarm Free Firewall

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions...

Freemium Windows

40 Like

Free Firewall

Free Firewall is a full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access...

Free Windows

6 Like

Windows 10 Firewall Control

Windows 10 Firewall Control is a simple and exhaustive solution for applications network activity controlling and monitoring.

Freemium $ $ $ Windows

30 Like

PeerGuardian

PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its...

• Discontinued Linux version seems to be still developed: last version, 2.3.1, was released in November 2015. Windows and Mac version are no longer developed and outdated: useless for Mac due to the evolution from IPW to PF internal firewall structure from 10.10 Yosemite on; for Windows PeerBlock, a continuation of PeerGuardian's development, is recommended by the developer.

Free Open Source Mac Windows Linux

29 Like

BeeThink IP Blocker

BeeThink IP Blocker is a Windows IP Blocking program which controls one computer interacts with other computers over the network. It can be successfully used on Windows...

Commercial Windows

3 Like

iplist

iplist is a Linux application for blocking connections to and from a specified range of hosts using the netfilter netlink-queue library. iplist is an open source IP...

• Discontinued The project is no longer developed. Last version, 0.29, released in October 2010, can be still downloaded from the official website.

Free Open Source Linux

6 Like

AppNetworkCounter

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.

Free Windows

0 Like