Curious if anyone has had experience with streaming solutions for the Macintosh. We discussed this a little bit during last night's webcast workshop (#3b). In particular, I found this:

Welcome to Darwin Streaming Server, the open source version of Apple's QuickTime Streaming Server technology that allows you to send streaming media to clients across the Internet using the industry standard RTP and RTSP protocols.

http://developer.apple.com/opensource/server/streaming/index.html Seems to also play nice with Windows and Linux, according to the description. There is also this bit of video webcasting software for the Mac from VaraSoft: Wirecast