Avast! Free Antivirus is free antivirus software to protect the system from viruses and malicious software.

Zemana Anti-Malware is an effective malware detection and removal software that protects you from malware, spyware, adware, ransomware, rootkits & bootkits.

BitNinja constantly monitors the number of simultaneous incoming and outgoing connections and blocks DoS (Denial of Service) attacks.

Bad Ad Johnny is a free ad, tracker and malware-blocking Chrome extension from VPN provider PureVPN.