Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Around.co - Around.co is an app that provides video calls to remote teams all around the world.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
Remote Meeting - Remote Meeting with Video, Voice, Chat and Screen Sharing
join.me - Instant screen sharing. Instant Aha!