Dead Simple Screen Sharing - Simple screen sharing and audio conferencing software.
Surfly - Simple, Fast, and Secure Co-browsing
Muzzle - Silence embarrassing notifications while screensharing
DivShow - Extremely easy way to build product walkthroughs on your web pages!
Copointer.com - Copointer is technology for co-browsing on your website, that will help to improve your customer support and to be on the same page with your client.
CleanSpark - Declutter your screen to share it on your next presentation