Prey is a useful surveillance tool that lets you keep track of your phone or laptop at all times and will help you find it if it ever gets lost or stolen.
Agent DVR is a full DVR service-based solution for PCs (fully cross-platform). It detects movement and sound, records and streams from multiple video sources, including USB, IP cameras, Desktop, etc.
IP Camera Viewer is a free app that lets you use any USB or IP camera to keep an eye on your home, office, parking area, or anywhere you need security.
iSpy uses your webcams and microphones to detect and record movement or sound and provides security, surveillance, monitoring, and alerting services. 32-Bit available
iSpy uses your webcams and microphones to detect and record movement or sound and provides security, surveillance, monitoring, and alerting services. 64-Bit available.