SopCast is a simple and reliable browser-based utility that provides free way to broadcast audio and video or listen to radio and watch the video on the internet. This online tool is very easy to use and efficient and also the abbreviation for Streaming over P2P. You can play URL-based streaming media, most types of local video and audio files, only buffer data in memory, and reduce CPU usage. There are minor bugs fixed and a problem that client cannot log in from some countries. It is possible to become a broadcaster without vast bandwidth and the costs of a powerful server. Moreover, the user can input the URL, watch channels listed in the application, and also play channel by clicking a SopCast URL in a browser. This online service allows you to distribute and copy the clients freely for anyone and all the services are only for research purpose. SopCast is a streaming direct broadcasting system based on P2P and you can also broadcast a channel without channel registration and user.