Motion - Open source security camera software

Motion is a highly configurable program that monitor video signals from many types of cameras and depending upon how they are configured, perform actions when movement is detected. Motion includes the ablity to:

Create videos or save pictures of the activity
Passthrough recording from many IP cameras
View live stream of cameras
Invoke scripts when activities occur
Log activity into multiple types of databases
Fully customizable masks for privacy or motion detection
Full tls(https) support with authentication for webcontrol and streams

Use with many types of devices

Network cameras via RTSP, RTMP and HTTP
PI cameras
V4L2 webcams
Video capture cards
Existing movie files