Crisp Status Page - Monitor servers and let users know if something goes down.
NakedSSL - Hassle-free SSL clothes for your naked domains.
ContainIQ - Kubernetes native monitoring instantly
Secure My Website - A pain-free service to add SSL to your site, for non-geeks
Robusta - SRE Copilot for Kubernetes
SSL Alerts - Free service to send SSL certificate expiration alerts