motionEyeOS - A Video Surveillance OS For Single-board Computers
Nest Cam IQ - Smart home camera, using Google's AI for facial recognition
AI Cam - Mobile webcam software with artificial intelligence (ai). Video surveillance via the Internet with automatic event recognition
Sunflower Labs - Drone-based home security for the rest of us
Unifi Video - Unifi Video by Ubiquity is designed specifically around Ubiquiti range of cameras and is free.
Nest Cam Outdoor - A weather proof outdoor security cam that records 24/7