Blink's security camera
Nest Cam helps you keep an eye on what matters to you. It looks for motion and listens for sound. And if something's up, it sends an alert to your phone.
Manything is a very cool, very free app that promises to turn any iOS device into a dedicated smart home security camera -- perfect for that old phone you've go.
Wireless Security Cameras System: The only wire-free, HD in daylight or darkness smart home security cameras!