AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)

Digicert - Encryption & Authentication

Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .

Comodo - Comodo, the leading Internet Security Provider offers Free Antivirus, SSL Certificate and other Internet Security related products with complete protection

Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...

Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).