Windows: Windows only lets you take simple screenshots out of the box, and its built-in screencasting tool doesn’t even output a standard video file. oCam is a free utility that solves both of these problems.
Trying to diagnose computer issues remotely is really hard unless you can see what’s actually going on. The next time your someone needs your help with their computer, point them to ShowMeWhatsWrong and have them take a quick screencast.
Screencasting doesn’t have to be a complicated affair. If all you need is a quick screencast to show a friend how to do something or commemorate your awesome Line Rider skills, Screenjelly can deliver.