The ticTOCs Journal Tables of Contents service makes it easy for academics, researchers, students and anyone else to keep up-to-date with newly published scholarly material by enabling them to find, display, store, combine and reuse thousands of journal tables of contents from multiple publishers.
PostRank claims to measure social engagement, including blog posts responding to someone else, bookmarking an article, leaving a comment on a blog, or clicking a link to read a news item.
TubeMogul is a free service that provides a single point for deploying uploads to the top video sharing sites, and analytics on who, what, and how videos are being viewed.
Adobe AIR app that lets you display items in your RSS feeds in a scrolling ticker on any edge of your screen. Not for the faint of heart or the information averse.