Let's Encrypt has just started issuing certificates for IP addresses, which I think is pretty cool. Altough, not useful for everyone, there has been situations where I tought, "hmm, I wish there was a way to secure this IP address with HTTPS". Now, there is a way to do that, and its free, thanks to Let's Encrypt!

There are plenty of IP based cameras, servers, and other unsecured devices that can benefit from this. It is also a great way to secure your home network or any other network that you want to access remotely.

You can read more about it on their blog post.