Butter - Butter is a newly launched chatting application that focuses more on the privacy of its users.
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.
Talk - Watch full episodes of The Talk, view video clips and browse photos on CBS.com. Join the conversation and connect with CBS's The Talk.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads