There's no shortage of smart door locks, but they typically require that you bring out your phone or enter a code to get in. Wouldn't it be nice if you could just knock, like you're visiting a friend?

Retrofit smart locks are designed to smarten your deadbolt without replacing it entirely. It's a great concept for anyone just getting started with smart home technology, and we've seen August and ...

Sesame is a new smart lock for your house that replaces traditional locks and comes with a smartphone app that substitutes your house keys. The device is designed to work seamlessly with existing ...