BitDefender 10 Free Edition (Freeware)

BitDefender Free Edition is your chance to use one of the world's most effective antivirus engines for free!

BitDefender Free Edition uses the same ICSA Labs certified scanning engines found in other BitDefender products, allowing you to enjoy basic virus protection for no cost at all.

BitDefender Free Edition is an on-demand virus scanner, which is best used in a system recovery or forensics role.

Features and benefits include:

• Virus scanning and removal
• On demand scanning - Powerful scan engines ensure detection and removal of all viruses in the wild every time you need it.
• Scheduled scanning - The Scheduler lets you plan ahead, and schedule full system/drive scans in the off hours, when you won't be using your computer.
• Immediate scanning - With just a right click you can check your files and folders.
• Skinable interface - You can express yourself, designing new interfaces, or you can use those drawn by others.
• Quarantine - By isolating the infected files in quarantine, the risk of getting infected diminishes. You also have the possibility to send these files for further analysis to BitDefender Labs.
• Reports - When launching a scan you may choose to create a report file where you can see statistics about the scan process.

ZoneAlarm Free 8.0.298.0

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions, ZoneAlarm Free Firewall keeps your PC free from viruses that slow down performance, and spyware that steals your personal information, passwords, and financial data.

• Essential firewall protection
• Be invisible to others online
• New interface makes it even easier—smaller size keeps it light
• Systematically identifies hackers and blocks access attempts

Sygate Personal Firewall 5.6.2808 (Freeware)

Free for personal use, Sygate Personal Firewall provides best of breed security in a user friendly interface, protecting your PC from hackers, trojans and DoS attacks.

Features include full-ICS support, protocol driver level protection, enhanced logging, and more.

Sygate Personal Firewall delivers unobtrusive, highly configurable, enforceable rule-based security policy by constantly operating in the background of your PC. Policies regarding applications, trusted IP addresses, ports, protocols and scheduling can be customized to support and secure any network configurations or requirements. Designed with high performance in mind, it delivers top-notch security without sacrificing your computing power.

Note that from November 30th, 2005 all Sygate consumer firewall products have been discontinued but this versions is available here for free use.

Comodo Internet Security 3.11.108364 (Freeware)

Comodo claim that their firewall is unique in that it passes all known leak tests to ensure the integrity of data entering and exiting your system. Comodo has put firewall through all kinds of sophisticated tests to ensure its firewall powerful enough to ward off these attacks with default settings. No other firewall has had to work this hard.

• PC Magazine Online's Editor's Choice
• Secures against internal and external attacks
• Blocks internet access to malicious Trojan programs
• Safeguards your Personal data against theft
• Delivers total end-point security for
• Personal Computers and Networks

Outpost Firewall (Freeware)

Outpost Firewall gives peace of mind from any virtually every Internet danger. Unlike other personal firewalls, Outpost starts protecting against all kinds of internal and external attacks as soon as it's installed.

This is the first firewall with an open architecture and support for plug-ins, so its capabilities can easily be extended by thousands of developers worldwide.

Key Benefits:

• Basic Firewall Protection - Standard packet and application filtering safeguard your computer from unwanted communications.
• Connections Monitoring - Lets you see network activity in real time, to help define inappropriate connections and close them right away.
• Surfing Protection - Maintains your privacy on the Internet, keeps browser protected from Internet dangers.