What are some alternatives?
When comparing ComodoSSLstore and SafeCyberSSL, you can also consider the following products
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
ClickSSL - Buy Cheap SSL certificates from ClickSSL. Trusted brands Comodo, RapidSSL, GeoTrust, Thawte & Symantec SSL certificates available at cheapest price.
Cheap SSL Shop - Cheap SSL Shop is the cheapest SSL certificate provider.
SSL For Free - Free SSL Certificate issued in less than a minute.
Digicert - Encryption & Authentication
ZeroSSL - FREE SSL certificates issued instantly online with Free SSL Certificate Wizard.