TinyWall - Lightweight and non-intrusive firewall
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
Kaspersky AntiVirus - Download the best FREE antivirus for Windows-based desktops, laptops, & tablets and get the core protection against viruses, spyware, phishing & dangerous websites.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
ESET NOD32 Antivirus - Best IT security solutions for your home and business devices. Try ESET antivirus and internet security solutions for Windows, Android, Mac or Linux OS.