PeerCast 是一个开源的流媒体通信工具。它以点对点的传输原理减少了发放者服务器的负担。

Peercast是以GPL的许可证方式发布，并可以在Linux、Windows与Mac平台上使用。（Peercast软件的源代码可以在 http://www.peercast.org/code 取得。）

PeerCast is an open source streaming media multicast tool introduced in 2006. PeerCast uses peer-to-peer technology to minimize the necessary upload bandwidth for the original multicaster.

The website of PeerCast appears to be abandoned since December 2007. No further updates exist since that date and the source code repository is not available anymore.