Surfly - Simple, Fast, and Secure Co-browsing
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.
DivShow - Extremely easy way to build product walkthroughs on your web pages!
Median - View your users' screens from Intercom, LiveChat and more!
Screencast-O-Matic - Free version Records up to 15 minutes, premium is $15/year.
Cobrowse.io - Screenshare and remote control built into Android & iOS apps