• Outpost Firewall Pro icon

    Outpost Firewall Pro

    PC defense against hackers, malware, viruses and Internet attacks.

    Freemium Windows

    • Discontinued In December 2015 Yandex acquired Agnitum software technology. As a result of the acquisition, Agnitum terminates direct and partner sales of the Outpost product line.
  • StackPath icon

    StackPath

    StackPath gives you the most powerful control panel and CDN product in the industry – at a price you can afford.

    Commercial $ $ $ Web

  • Qualys Cloud Platform icon

    Qualys Cloud Platform

    Qualys, Inc. is the pioneer and leading provider of information security and compliance cloud solutions.

    Commercial Web

  • ModSecurity icon

    ModSecurity

    ModSecurity is an open source web application firewall. Working embedded in the web server, or standalone as a network appliance, it detects and prevents attacks against web applications.

    Free Open Source Mac Windows Linux BSD Self-Hosted

  • Sophos XG Firewall icon

    Sophos XG Firewall

    A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.

    Free Personal Self-Hosted

  • CacheGuard-OS icon

    CacheGuard-OS

    CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

    Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

  • Fly.io icon

    Fly.io

    Edge computing is the new frontier. Fly brings the untapped potential of intelligent edge-servers to your finger-tips.

    Freemium Web

  • Naxsi icon

    Naxsi

    # What is Naxsi? NAXSI means Nginx Anti XSS & SQL Injection. Technically, it is a third party nginx module, available as a package for many UNIX-like platforms.

    Free Open Source Linux NGINX

  • Indusface Total Application Security icon

    Indusface Total Application Security

    Total Application Security (TAS) from Indusface is a fully-managed security solution that detects application-layer vulnerabilities with web application scanning (detect), protects instantly with web application firewall (protect), and...

    Commercial Web Self-Hosted

  • Comodo cWatch Website Security Stack icon

    Comodo cWatch Website Security Stack

    Comodo Website Security software cWatch - best solution for website protection. It detects all web security threats, enhances website performance and speed.

    Commercial $ $ $ Windows

  • PeerGuardian icon

    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 origin seeds in targeting aggressive IPs while you use P2P.

    Free Open Source Mac Windows Linux

    • 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.
  • Endian Firewall Community icon

    Endian Firewall Community

    Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat Management (UTM) functionality.

    Free Open Source Linux

  • GoMeetNow icon

    GoMeetNow

    Web conferencing with flexible pricing. GUARANTEED ATTENDANCE. No download of any kind. Free audio conferencing. Started at $12.95/month.

    Commercial Mac Windows Linux Web Windows Mobile iPhone

  • Emsisoft Internet Security icon

    Emsisoft Internet Security

    Emsisoft Internet Security is the lean and efficient security suite that will make your digital life a whole lot easier. - Antivirus & Anti-Malware & Firewall, all-in-one.

    Commercial Windows

    • Discontinued Internet Security no longer exists, they are only Emsisoft Anti-Malware
  • Load Tester icon

    Load Tester

    Web Performance Load Tester™ is the only web testing tool smart enough to tell you how many users your website can handle.

    Commercial Windows

  • Forefront Threat Management Gateway  icon

    Forefront Threat Management Gateway

    Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network security and protection solution for Microsoft Windows, described by Microsoft...

    Commercial Windows

  • Privatefirewall icon

    Privatefirewall

    This personal firewall and intrusion detection application provides comprehensive online security. It constantly monitors your PC for intrusion and reports any findings, so you can take the appropriate action.

    Free Windows

  • NetPeeker icon

    NetPeeker

    Monitor network applications, personal firewall, trace whois, network speed limiter. NetPeeker is a network tool set that combines the functionality of traffic monitoring with the blocking features of a personal firewall.

    Commercial Windows

  • AFWall+ icon

    AFWall+

    AFWall+ is an improved version of DroidWall (front-end application for the powerful iptables Linux firewall).

    Free Open Source Android

  • Symantec Endpoint Protection icon

    Symantec Endpoint Protection

    Symantec Endpoint Protection provides business antivirus protection with advanced threat prevention, delivering unmatched defense against malware for laptops, desktops and servers.

    Commercial Mac Windows

  • DroidWall icon

    DroidWall

    DroidWall - Android Firewall is a front-end application for the powerful iptables Linux firewall. It allows you to restrict which applications are permitted to access your data networks (2G/3G and/or Wi-Fi).

    Free Android

    • Discontinued DroidWall was sold to AVAST in December 2011, and is no longer actively maintained.
  • Windows Firewall Control icon

    Windows Firewall Control

    Windows Firewall Control is a nifty little application which extends the functionality of the Windows Firewall and provides quick access to the most frequent options of Windows Firewall.

    Freemium Windows

  • Windows 10 Firewall Control icon

    Windows 10 Firewall Control

    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.

    Freemium Windows

  • Firewall App Blocker icon

    Firewall App Blocker

    Friendly user interface for blocking selected applications through built in Windows Firewall.

    Free Windows

  • simplewall icon

    simplewall

    Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

    Free Open Source Windows