Flowgram – Flowgram is a screen-casting tool that lets you walk people through the use of a website, comment on items online, or a number of other applications with audio and text commentary.

SlideRocket – SlideRocket is an online presentation application that allows you to create rich presentations with a lot of features, effects and transitions. You can see one I made here.

Summize – Summize lets you search the Twitterverse for keywords to see what people are tweeting about your organization or cause.