Screenbird is a video screen recording utility that works in web browser and doe not requires classic installation. It works just like an browser add-on. Once you install this add-on on your favorite browser, you will be able to record video files from your screen.
Does not requires any registration and it can save video files on their servers. Video files will have separate links (public or private, as user choose).
Features includes Youtube integration to easily share video on this website, pause and resume recording anytime, record full screen or just a custom part.
Also is recording audio.