The Best Free Firewalls of 2021. You don’t need to pay for a top-quality firewall because some of the leading cybersecurity companies produce free software that will protect your computer. Here’s our list of the best free firewalls for 2021: 1. Sophos XG Firewall Home Edition. Browse free open source Firewalls software and projects for Mac below. Use the toggles on the left to filter open source Firewalls software by OS, license, language, programming language, project status, and freshness.
RSS Feed RSS Feed (free software only)136 applications totalLast updated: Oct 2nd 2021, 23:08 GMT
FortKnox Personal Firewall 2021 (23.0.820)
Protect your system from various inbound or outbound attacks using a powerful, yet fully-configura...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP / Windows 2K
SpyShelter Firewall 12.6
Boost your PC security against keyloggers and block Internet access to various apps, with the help...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP
GlassWire 2.3.343
Firewall for monitoring the network activity, viewing bandwidth usage statistics and preventing ap...
ManageEngine Firewall Analyzer 12.5 Build 125467
Comprehensive web-based firewall with support for VPN and proxy server log analysis, reports, aler...
Windows Server 2019 / Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 R2 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows 2K
RusRoute 2.2.1
A powerful solution for protecting a network and filtering all data traffic to make sure no unauth...
Windows Server 2019 / Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 R2 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
ZoneAlarm Pro Antivirus + Firewall 15.8.173.18805
Block hackers and other unknown threats, with comprehensive virus protection as well as with progr...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
ZoneAlarm Pro Firewall 15.8.173.18805
Protect your Internet connected PC and filter out inappropriate Web content using this powerful, y...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
ZoneAlarm Free Firewall 15.8.173.18805
A basic inbound and outbound firewall application that provides you with an extra security layer f...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
simplewall (Wfp Tool) 3.4.3
An easy way to configure the Windows Filtering Platform and decide which services and protocols ar...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
Windows Firewall Control 6.7.0.0
Rapidly access Windows Firewall settings, create rules for each installed program (allow or deny n...
Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 R2 / Windows Server 2012 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Fort Firewall 3.4.1
This firewall application might not bring something new to the table per se, but it offers plenty ...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
SunFirewall 2.0.0.15
A straightforward utility for RDP protocol that adds an extra level of protection against unauthor...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP / Windows 2K
Comodo Firewall 12.2.2.8012
Browse the web with complete confidence that your computer and personal files are kept safe by thi...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP
Microsoft Teams
Effortlessly chat, collaborate on projects, and transfer files within a business-like environment by employing this Microsoft-vetted application
Rufus
Create bootable USB drives from ISOs with an operating system of your choice, with various options, including to enhance compatibility with old BIOS versions
TeamViewer
Remotely control any PC worldwide, give demonstrations, easily transfer files, host meetings and presentations with multiple users
Zoom Client
The official desktop client for Zoom, the popular video conferencing and collaboration tool used by millions of people worldwide
SUMo
Keep all your installed software applications up to date using this simple app that automatically scans the computer and reveals available updates
Wise Folder Hider
Easily hide important or personal files, folders or even an entire USB Drive with only a few mouse clicks, keeping them safe with a password
Driver Booster PRO
Update all your drivers and game components, thus ensuring your computer runs smoothly and stays issue-free, with this intuitive application
WhyNotWin11
Find out whether your computer meets the current system requirements to run Windows 11 using this lightweight and straightforward application
VLC Media Player
A fully customizable, powerful and practical media player that lets you enjoy nearly all available media file formats or your favorite radio station
Skype
Free calls and chat tool with file transfers, screen sharing, video and audio calls, conferences, contacts management, and more features
WhyNotWin11
- WhyNotWin11
- VLC Media Player
- Skype
- Microsoft Teams
- Rufus
- TeamViewer
- Zoom Client
- SUMo
- Wise Folder Hider
- Driver Booster PRO
essentials
Free Firewall 2.5.8
Protects your computer against all kinds of threats, preventing suspicious applications from acces...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
CacheGuard OS NG EH 1.5.5
Transform your physical or virtual machine into a web gateway appliance to secure and optimize Int...
Windows 10 64 bit / Windows 10 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP / Windows 2K
NETGATE Internet Security 2021 (21.0.000)
Software suite that includes a powerful firewall with advanced settings as well as an antivirus, a...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP / Windows 2K
Windows Firewall Notifier 1.9.0.0 / 2.5 Beta
Extends the default Windows embedded firewall behavior by handling outgoing connections and view r...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Geo Firewall 3.46
Restrict access to user-selected countries and geographical territories in order to enhance your I...
Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
Syspeace 3.1.5
Prevent unauthorized access, attacks and hackers from acquiring personal info from your computer b...
Windows Server 2016 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003
TinyWall 3.0.10
A non-intrusive firewall software solution that was designed to provide some extra security and pr...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Kerio Control 9.3.5 Build 4367
A powerful solution that was especially created in order to offer an impenetrable security layer f...
Windows Server 2016 / Windows 10 64 bit / Windows Server 2012 / Windows 2008 R2
Firewall App Blocker 1.7
Allows you to block applications through Windows Firewall without accessing the Control Panel or p...
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
WebKilit 2.3.2
Control Intranet and Internet access with this HTTP interface for the Windows Firewall that allows...
Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 / Windows Vista
Firewall Context Menu 1.0.0
Grant or block network access to any Windows executable file with the help of this practical and e...
Windows Server 2019 / Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
Windows 10 Firewall Control Free Edition 8.4.0.79
A tool that protects you from undesirable incoming and outgoing network activity by restricting ac...
Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Windows 10 Firewall Control Plus 8.4.0.79
A powerful and easy to use tool that enables you to protect your computer from undesirable content...
Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Windows 10 Firewall Control Basic Edition 8.4.0.79
Make sure your computer is safeguarded from undesired incoming and outgoing network activities and...
Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Windows 10 Firewall Control Network/Cloud Edition 8.4.0.79
Protect applications form undesired incoming and outgoing data over the network using extended sec...
Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista
Anti DDoS Guardian 5.0
A powerful and comprehensive set of tools aiming to prevent DDoS, brute force, bandwidth and other...
Windows Server 2016 / Windows 10 64 bit / Windows 10 / Windows Server 2012 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP / Windows 2K
Free Software Firewall Mac Os
Active Wall Web Filter 5.0.2013.0510
Best Firewall For Macbook Pro
A simple and efficient piece of software functioning as a Web filtering tool that provides Interne...
Free Software Firewall Mac Os
Windows 10 64 bit / Windows 10 / Windows 2008 R2 / Windows 2008 64 bit / Windows 2008 / Windows 2003 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP 64 bit / Windows XP / Windows 2K