The WP Live Stream plugin provides a widget for live or event blogging updates into a Twitter-like stream on your WordPress website.
Twitch TV Embed Suite allows easy placement of a twitch tv stream and/or chat anywhere on your WordPress site.
Display status of Twitch.tv livestreams
LiveTV Bundle for WordPress. Live stream plugin for wordpress compatible with own3d.tv, twitch.tv, justin.tv
All in one FaceBook Plugins for WordPress including like button, Recommendations, Activity Feed, Like Box, Facepile, Live Stream, Comments, Login with