Absolutely free and simple IP camera.
The application provides a network server for MJPEG streaming from the iPhone camera.
Usage:
1) Run the application and press the Start Server button.
2) On another device (PC or phone) connected to the same Wi-Fi network as your iPhone, enter the displayed address into a web browser.
3) The browser will show a live video feed from your iPhone’s camera.
P.S.: It’s free => no support.
Enjoy!