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://mx.youtube.com/handbook_popup_produce_upload?pcont=bestformats
Best video formats for uploading to YouTube.
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://tnaflix.com/
A porn video hosting site, similar to YouTube.
http://empflix.com/
A porn hosting site, similar to YouTube, upload videos and have them hosted in flash format.
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://blip.tv/
A video hosting, remixing, etc site. They share ad revenue with producers 50/50 and allow you to sell your own ads for a 10% cut. Nice.
http://www.limelightnetworks.com/
Limelight networks offer CDN (Content Delivery Network) services and other streaming and static media hosting.
http://www.videojug.com/
VideJug is a YouTube like video hosting site, which seems to focus on training videos. Training is very broadly used though, anything from "Avoid Trapped Arm Whilst Cuddling In Bed " to using RSS.
http://www.5min.com/
5min allows you to upload howto videos, similarly to YouTube but with additional features specific to that market like slow motion.
http://www.kaltura.com/
Kaltura is a collaborative, online video editing software. YouTube meets Wiki or something like that. You can upload, edit, and publish video collaboratively. There's talk of the software being released under the GPL license.
http://blog.go4teams.com/?p=56
Create your own YouTube using opensource tools.
http://www.brightcove.com/index.cfm
Enterprise level, white lable video hosting, serving, monetisation, etc from BrightCove.
http://www.cwerty.com/
Buy business learning videos for 99c and send them to 10 friends for free.
http://vimeo.com/
Video hosting site with privacy options, an alternative to YouTube perhaps?