This is a quick comparison between the free versions of screenr and screencast-o-matic.
screenr.com, 5-min limit, must register using one of Google/Facebook/Twitter/Yahoo/LinkedIn/WindowsLiveID accounts, must save first to screenr.com and then can download mp4 file or post to YouTube.
15-min limit, do not have to save to screencast-o-matic site, export to YouTube or download file (choice of mp4, flv, avi, or animated gif formats).
Winner: screencast-o-matic.com
Winner: screencast-o-matic.com
