ScreenFlow - Many users require video editing software or a means of recording the content of their computer screens. There are many software options available, but one of the most commonly used of these is ScreenFlow.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
ClipMe - Collaborative video with friends
DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
globaledit - Hosted, web-based, photo collaboration and image management system
Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads