Nest Cam IQ - Smart home camera, using Google's AI for facial recognition
Shinobi.video - Shinobi is the Open Source CCTV software written in Node.JS. Designed with multiple account system, Streams by WebSocket, and Save to WebM and MP4. Shinobi can record IP Cameras and Local Cameras.
Sunflower Labs - Drone-based home security for the rest of us
ZoneMinder - ZoneMinder is a free and open-source piece of security software that can be used at home or in your business. The software puts you in control of all of your data, and it is exceptionally easy to setup. Read more about ZoneMinder.
Density - A modern infrastructure for anonymously counting people
OS-NVR - Mobile-friendly extensible CCTV system.