http://advancingusability.wordpress.com/2009/05/06/owned-legal-terms-of-video-hosting-services-compared/
Comparison of the legal terms / conditions of popular video hosting sites. Looks like blip.tv comes out ahead.
http://corp.kaltura.com/
Kaltura is an open source video collaboration tool. It integrates with MediaWiki to allow wiki-like editing of videos. The software is open source and hosted on sourceforge.
http://www.viddler.com/
Viddler is a video publishing web site with some advanced features. Tag points in a clip, upload directly, etc. It's like YouTube improved.
http://www.kickapps.com/
KickApps is a white label social networking / video hosting platform. Free to sign up, ad supported, or you can buy the ads out, starting at $100/mth for 5'000 page views.
http://www.kyte.tv/
Video broadcasting through flash from your mobile, video camera, web cam, etc. It's like YouTube but live data (I think).
http://www.jingproject.com/
Create screencasts and upload them immediately as flash videos. Windows or MacOS X only, no Linux client. You download a client app to record the video.
http://blog.go4teams.com/?p=56
Create your own YouTube using opensource tools.