AWS – Cloud Practitioner Cert. - AWS – Cloud Practitioner Cert.
NakedSSL - Hassle-free SSL clothes for your naked domains.
Exam Guru - Exam Guru is an app designed for the IT professional and students to prepare their certification exams right on their smartphones.
Secure My Website - A pain-free service to add SSL to your site, for non-geeks
Trailhead GO - Trailhead GO is an app introduced by salesforce.
redirectssl - Setup your naked (non-WWW) domain with an SSL and redirect it anywhere.