iVCam - iVCam transforms your Mobile Phone / Pad into a webcam for Windows PC.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Iriun Webcam - Use your phone's camera as a wireless webcam in your PC or Mac.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Webeecam Free -USB Web Camera - Webeecam records video from a USB camera connected to Android phone/tablet.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.